Stretchable Outer Cover Patents (Class 604/385.22)
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Patent number: 8167861Abstract: A disposable absorbent garment has an elastic inner layer having an interior surface for facing a wearer of the garment, and an exterior surface. The elastic inner layer has an elongate opening therein disposed at least within a crotch region of the garment, and is stretchable in at least a lateral direction of the garment. An outer layer of the garment is in opposed relationship with the elastic inner layer and is stretchable in at least the lateral direction of the garment. An absorbent assembly is secured to the elastic inner layer between the elastic inner layer and the outer layer and is sized larger than the opening of the elastic inner layer for underlying substantially the entire opening. The absorbent assembly is stretchable in at least the lateral direction of the garment for lateral stretching thereof in response to lateral stretching of the elastic inner layer.Type: GrantFiled: June 29, 2004Date of Patent: May 1, 2012Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Paul T. Van Gompel, Nancy E. Dawson
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Patent number: 8147474Abstract: The present invention provides an absorbent article 1 that does not easily warp in a leg-surrounding portion. The absorbent article 1 includes an absorbing member 2 in an elongated shape arranged along a longitudinal direction of the absorbent article, and a stretchable chassis 3 having a leg-surrounding portion 3a recessed inward in a width direction. At least a part of the chassis 3 is composed of a composite sheet 13 obtained by affixing a stretchable sheet 15 and a non-stretchable sheet 16 to each other by a plurality of adhesive portions 18. The leg-surrounding portion 3a has an intersection crossing an expansion and contraction direction of the chassis 3 at a predetermined angle. The plurality of adhesive portions 18 extend in a direction substantially perpendicular to the expansion and contraction direction.Type: GrantFiled: November 27, 2007Date of Patent: April 3, 2012Assignee: Uni-Charm CorporationInventors: Kei Wakasugi, Hirotomo Mukai, Tomoko Tsuji, Kenichi Sasayama, Tatsuya Hashimoto
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Patent number: 8109915Abstract: A pull-on disposable wearing article has a base sheet including an inner sheet and an outer sheet. A plurality of auxiliary elastic members extending across a panel are interposed between the inner sheet and the outer sheet and attached to these sheets between waist surrounding elastic members and leg-holes so that these auxiliary elastic members may contract in the waist-circumferential direction. Each of the auxiliary elastic members has transversely opposite end portions secured to the inner and outer sheets and an intermediate portion not directly bonded to the inner and outer sheets.Type: GrantFiled: July 13, 2006Date of Patent: February 7, 2012Assignee: Uni-Charm CorporationInventors: Nariaki Shimoe, Toshifumi Otsubo
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Patent number: 8105303Abstract: A high-density region-containing sheet having a high-density region and a low-density region, a sheet member produced by joining the high-density region of the high-density region-containing sheet to an elastic member, and a disposable diaper using the sheet member as its chassis are provided. A sheet in a soft state by imparting preheat is pressed between a pair of opposed shaping rolls and having a toothed region and rotatable. Thus, a high-density region-containing sheet where high-density regions and low-density regions are formed is produced. Such two high-density region-containing sheets are joined through an extended elastic member to form a projection/recess pattern. In such a way, a high-density region-containing sheet can be produced. A sheet member in which at least one of two sheets is a high-density region-containing sheet, the high-density regions are joined through an extended elastic member, and a projection/recess pattern can be formed when the elastic member is contracted is produced.Type: GrantFiled: June 25, 2007Date of Patent: January 31, 2012Assignee: Uni-Charm CorporationInventor: Satoru Sakaguchi
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Patent number: 8105305Abstract: The present invention provides an absorbent article having a composite sheet with a plurality of gathers on an inner surface facing a wearer's body, which fits and adheres comfortably to the wearer's skin. The composite sheet is provided which includes a stretchable non-woven fabric which expands and contracts in at least one direction, a non-stretchable non-woven fabric, a junction which binds intermittently the stretchable non-woven fabric to the non-stretchable non-woven fabric in the stretching direction, and a plurality of gathers which is formed by loosening a unbounded area of the non-stretchable non-woven fabric in a contracted state, and is arranged along a direction intersecting the stretching direction, in which an apex of each gather does not reach the neighboring gather when the gathers lean to one side of the stretchable direction.Type: GrantFiled: November 27, 2007Date of Patent: January 31, 2012Assignee: Unicharm CorporationInventors: Tomoko Tsuji, Hirotomo Mukai, Kenichi Sasayama, Tatsuya Hashimoto, Kei Wakasugi
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Publication number: 20120022485Abstract: A two-piece wearable absorbent article (such as a diaper) including an outer cover and an absorbent insert for use therewith, are disclosed. The outer cover may have a first hook-and-loop fastening system that provides for removable and refastenable and adjustable fastening of the outer cover about a wearer's lower torso. The absorbent insert and outer cover may have a second hook-and-loop fastening system that provides for removable and refastenable fastening of the insert within the outer cover. The first and second hook-and-loop fastening systems may have respective holding force and acoustic characteristics within advantageous performance ranges, individually and with respect to each other.Type: ApplicationFiled: July 22, 2010Publication date: January 26, 2012Inventors: Donald Carroll Roe, Elaine Mary Wiggins, Joshua James Norman
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Patent number: 8092630Abstract: A method of manufacturing an absorbent article for animals is provided, wherein U-shaped fixing parts(3,30) are mounted to each side edge of a base material(20) of a diaper main body, and then separated into fixing protrusions(31) along a cutout line(41) to serve as movable parts(21,22), thereby allowing firm tightening to the crural area of hind legs and the trunk.Type: GrantFiled: December 20, 2006Date of Patent: January 10, 2012Assignee: Uni-Charm CorporationInventors: Takeshi Ikegami, Kenji Hiroshima
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Patent number: 8066685Abstract: Absorbent articles with carefully controlled stretch properties are disclosed. In particular, the articles exhibit stretch not only in the lateral direction but also in the longitudinal direction. Specifically, the articles have a biaxial stretch ratio, which refers to a ratio of stretch along the hip circumference of the article to the amount of stretch in the longitudinal direction, that is from about 1.0 to about 2.5, and particularly from about 1.1 to about 1.5. Absorbent articles made in accordance with the present invention are capable of accommodating a relatively large size range of wearers. The articles also exhibit improved fit and prevent sagging or drooping of the crotch region, even after the crotch region has been wetted.Type: GrantFiled: June 30, 2004Date of Patent: November 29, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Christopher Peter Olson, James Marcus Carr, Lawrence Howell Sawyer, Michael John Faulks, Robert Lee Popp, Mark Michael Mleziva
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Patent number: 8062276Abstract: A reusable diaper may include an inner layer to wick moisture and an outer layer substantially impervious to liquids. A waist portion may include a corner region for securing the diaper in a desired position. The corner region may be resiliently stretchable and substantially impervious to liquids, and may include first and second layers coupled to the respective inner and outer layers. The coupled first layer and inner layer define a first seam allowance, and the coupled second layer and outer layer define a second seam allowance. The first and second seam allowances may be positioned within the corner region to help inhibit wicking of liquid through the seam allowances into the corner region. And a fluid-resistant region may be provided to help resist wicking of moisture through the inner layer past the fluid-resistant region.Type: GrantFiled: March 31, 2008Date of Patent: November 22, 2011Inventors: Jennifer Lynn Labit, James Andrew Labit
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Patent number: 8052665Abstract: A pant type absorbent article such as a pant diaper, a sanitary pant or incontinence pant, the article having a core region including an absorbent core and a chassis region surrounding the core region. The article at least in part of the chassis region has an outer coversheet in the form of an elastic laminate having a Softness (S) according to Kawabata of at least 20. The laminate includes first and second layers of fibrous material and an elastic film layer located between the first and second fibrous layers.Type: GrantFiled: June 22, 2004Date of Patent: November 8, 2011Assignee: SCA Hygiene Products ABInventors: Jan Wastlund-Karlsson, Margareta Wennerback
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Patent number: 8048051Abstract: Absorbent articles such as disposable diapers, incontinent briefs, diaper holders, training pants and the like, having elastomeric ear panels and a fastening system that provides the user with different options as to how the absorbent article may be fitted to and removed from the wearer. The absorbent articles allow the wearer to choose between conventional and pull-on diaper configurations, or combinations thereof, and properly and comfortably fit a large range of wearer sizes. Further, the absorbent articles can be pulled on and/or off as a pant. This feature is provided by the ear panels which maintain sufficient tension to hold the diaper on the wearer throughout the period of use without harming the wearer's skin, while providing enough stretch to allow the diaper to be pulled up or down over the wearer's hips. The fastening system is refastenable for convenience yet strong enough to maintain the diaper in a fastened configuration without becoming detached if the diaper is pulled on or off the wearer.Type: GrantFiled: April 1, 2010Date of Patent: November 1, 2011Assignee: The Proctor & Gamble CompanyInventors: Mark James Kline, Miguel Alvaro Robles
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Patent number: 8043274Abstract: A disposable incontinent underwear product can comprise areas having different stretch characteristics and thereby fit persons of varying body shape in a more comfortable and/or visually appealing manner. Additionally, in some embodiments, the different areas of stretch can aid in positioning absorbent components, such as an absorbent insert or core that is included in the undergarment to absorb body exudates. For example, a garment may feature at vertical stretch in an area above the crotch and below the waist while featuring horizontal stretch at the hip areas at its front and back sides. As another example, a garment may feature horizontal stretch across the front of the garment and vertical stretch across the back of the garment in areas above the crotch and below the waist. In some embodiments, the crotch also features horizontal, vertical, or biaxial stretch.Type: GrantFiled: December 5, 2007Date of Patent: October 25, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Joseph Andrew Mlinar, Wendy L. Hamilton, Julie A. Paveletzke, Mary F. Kutchenriter
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Patent number: 8043273Abstract: A disposable undergarment includes a body panel and an absorbent insert having a back sheet connected to a top sheet and a retention portion disposed between the back sheet and the top sheet. At least one of the back sheet and the top sheet is stretchable and includes an elastic material. At least one of the back sheet and the top sheet is connected to the body panel. A method of using a disposable undergarment includes stretching at least one of the back sheet and the top sheet. A method of instructing a user on the use of the disposable undergarment is also provided.Type: GrantFiled: December 19, 2002Date of Patent: October 25, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Paul T. Van Gompel, Yung H. Huang, Russell E. Thorson
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Patent number: 8038662Abstract: An incontinence article comprising front and back belly sections connected at side seams forming belly and back bands, continuous in the hip direction having a hip opening closed in the hip direction, and a crotch section comprising an absorbent body, extending longitudinally between and permanently attached to the bolly and back sections, wherein the crotch, belly, and back sections define leg openings, the belly and back sections have an edge contour extending towards a transverse center axis, wherein first elastification means in the belly and back sections extend parallel to each other in the hip direction and wherein, in the belly and back sections, second elastification means extend from two side seam areas towards a longitudinal center axis of the article in a curved shape, thereby fanning out with increasing separation from each other, where the second elastification means fan out, the restoring force from extensive stretching of this area is smaller than that from extensive stretching of an area on tType: GrantFiled: November 17, 2008Date of Patent: October 18, 2011Assignee: Paul Hartmann AktiengesellschaftInventors: Fridmann Hornung, Benjamin Wenzel, Wolfgang Ostertag
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Patent number: 8029484Abstract: A two-way stretch disposable diaper formed from four cooperating layers, a microfiber top layer to keep the wearer dry, an absorbent pad to collect body exudates, a waterproof layer to keep absorbed fluids within the pad, and a two-way stretch outer support layer. The top layer is formed as a cover for the absorbent pad which is designed to absorb urine and semi-liquid fecal material. The absorbent pad is backed by the waterproof layer or sheet which also covers the pad edges to prevent side leakage. The waterproof layer is anchored to a self-adhesive, two-way stretch support layer which constitutes an outer cover or support layer. The support layer derives its two way stretch and self adhesive qualities from its weave of alternate twist and/or crinkle threads. The support layer includes a plurality of holes in the waist band area which provide added ventilation and drainage when the diaper is used as swim-wear.Type: GrantFiled: July 27, 2007Date of Patent: October 4, 2011Inventor: Mary Margaret DiCarlo
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Patent number: 8025652Abstract: An incontinence article comprising front and back belly sections connected at side seams forming belly and back bands, continuous in the hip direction having a hip opening closed in the hip direction, and a crotch section comprising an absorbent body, extending longitudinally between and permanently attached to the belly and back sections, wherein the crotch, belly, and back sections define leg openings, the belly and back sections have an edge contour extending towards a transverse center axis, wherein first elastification means in the belly and back sections extend parallel to each other in the hip direction and wherein, in the belly and back sections, second elastification means extend from two side seam areas towards a longitudinal center axis of the article in a curved shape, thereby fanning out with increasing separation from each other, where the second elastification means fan out, the restoring force from extensive stretching of this area is smaller than that from extensive stretching of an area on tType: GrantFiled: November 17, 2008Date of Patent: September 27, 2011Assignee: Paul Hartmann AktiengesellschaftInventors: Fridmann Hornung, Benjamin Wenzel, Wolfgang Ostertag
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Patent number: 8016806Abstract: An incontinence article comprising front and back belly sections connected at side seams forming belly and back bands, continuous in the hip direction having a hip opening closed in the hip direction, and a crotch section comprising an absorbent body, extending longitudinally between and permanently attached to the belly and back sections, wherein the crotch, belly, and back sections define leg openings, the belly and back sections have an edge contour extending towards a transverse center axis, wherein first elastification means in the belly and back sections extend parallel to each other in the hip direction and wherein, in the belly and back sections, second elastification means extend from two side seam areas towards a longitudinal center axis of the article in a curved shape, thereby fanning out with increasing separation from each other, where the second elastification means fan out, the restoring force from extensive stretching of this area is smaller than that from extensive stretching of an area on tType: GrantFiled: November 17, 2008Date of Patent: September 13, 2011Assignee: Paul Hartmann AktiengesellschaftInventors: Fridmann Hornung, Wolfgang Ostertag, Benjamin Wenzel
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Patent number: 7993319Abstract: An absorbent article generally has a longitudinal axis, a lateral axis, a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting the front and back waist regions. The absorbent article has an outer cover stretchable in at least one direction and a liner in opposed relationship with the outer cover and stretchable in at least one direction. An absorbent structure is disposed between the liner and the outer cover and extends from the crotch region to at least one of the front waist region and the back waist region of the article. The absorbent structure has at least one weakening element disposed therein for reducing the resistance of the absorbent structure to stretching in a direction that defines an angle relative to the lateral axis of the absorbent article of greater than zero degrees and less than 90 degrees.Type: GrantFiled: April 30, 2004Date of Patent: August 9, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventor: Michael D. Sperl
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Patent number: 7993320Abstract: An incontinence article comprising front and back belly sections connected at side seams forming belly and back bands, continuous in the hip direction having a hip opening closed in the hip direction, and a crotch section comprising an absorbent body, extending longitudinally between and permanently attached to the belly and back sections, wherein the crotch, belly, and back sections define leg openings, the belly and back sections have an edge contour extending towards a transverse center axis, wherein first elastification means in the belly and back sections extend parallel to each other in the hip direction and wherein, in the belly and back sections, second elastification means extend from two side seam areas towards a longitudinal center axis of the article in a curved shape, thereby fanning out with increasing separation from each other, where the second elastification means fan out, the restoring force from extensive stretching of this area is smaller than that from extensive stretching of an area on tType: GrantFiled: November 17, 2008Date of Patent: August 9, 2011Assignee: Paul Hartmann AktiengesellschaftInventors: Fridmann Hornung, Benjamin Wenzel, Wolfgang Ostertag
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Patent number: 7981100Abstract: A disposable absorbent article includes a sheet member, an absorbent core, at least one front leg elastic member, and at least one rear leg elastic member. The leg elastic members intersect at left and right intersections located in a crotch region of the sheet member. The left and right intersections are placed at any position on the outer side in the lateral direction relative to the vicinity of left and right side edges of the absorbent core in the crotch region. The front leg elastic member has left and right front leg contraction-reduced sections located on the outer side in the lateral direction relative to the left and right intersections. The left and right front leg contraction-reduced sections are cut so as to have reduced contractile forces. The rear leg elastic member has left and right front leg contraction-reduced sections located on the outer side in the lateral direction relative to the left and right intersections.Type: GrantFiled: May 27, 2009Date of Patent: July 19, 2011Assignee: Livedo CorporationInventors: Yuki Takahashi, Masaru Fujioka
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Patent number: 7972316Abstract: A disposable diaper (1) has a waist opening portion and a pair of leg opening portions and contains an absorbent body including a topsheet and an absorbent core. The absorbent core (4) is composed of a central absorbent member (41) and a pair of side absorbent members (42) disposed on both sides of the central absorbent member (41). The central absorbent member (41) is discrete from the side absorbent members (42) in at least the crotch portion (C). Each side absorbent member has a raising elastic member which is provided near its outboard edge along the longitudinal direction, so that the side absorbent member (42) rises while worm. The diaper is configured to exert a higher wearing pressure in its regions (91) that are to be applied to a wearer's body part between the iliac crests and the anterior superior iliac spines than in its waist opening portion while worn.Type: GrantFiled: April 18, 2006Date of Patent: July 5, 2011Assignee: Kao CorporationInventors: Haruko Toyoshima, Jun Sasaki, Michiko Otsuka, Mina Tomita
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Patent number: 7967804Abstract: A disposable diaper has a covering member adapted to cover a wearer's crotch and waist regions. The covering member includes an elastically stretchable first layer and an inelastically stretchable second layer formed with a plurality of continuous fibers. The continuous fibers are fixed to the first layer in at least two bonding zones. The covering member presents a particularly large value of L/D, a ratio of a length L of each continuous fiber and a distance D in straight line between each pair of the adjacent bonding zones.Type: GrantFiled: July 2, 2008Date of Patent: June 28, 2011Assignee: Uni-Charm CorporationInventor: Hideyuki Ishikawa
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Patent number: 7955311Abstract: A disposable diaper includes a pants member and a body fluid absorbent pad lying inside the pants member. The pad is connected to elastic first and second suspender members extending in a circumferential direction of the diaper and joined under extension in the circumferential direction of the diaper to the pants member. Front and rear ends of the pad are joined to the suspender members in middle zones of these suspender members of which transversely opposite side edges are joined to transversely opposite side edges of front and rear waist regions. Inner and outer ends of the suspender members are joined to the front and rear waist regions in a joining zones arranged intermittently in the circumferential direction of the diaper.Type: GrantFiled: April 4, 2002Date of Patent: June 7, 2011Assignee: Uni-Charm CorporationInventors: Yoshikazu Tanaka, Hirotomo Mukai
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Patent number: 7947029Abstract: An underpants type disposable diaper cover capable of firmly holding an absorbent pad.Type: GrantFiled: March 8, 2007Date of Patent: May 24, 2011Assignee: Daio Paper CorporationInventor: Tetsuhiro Saito
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Patent number: 7931635Abstract: Oversized adult diapers are made on converting machinery designed for handling only components no greater than a maximum component width, while utilizing as an outer layer component of the diapers an elongate sheet-like web having a width exceeding the maximum component width of the machinery. The web is pre-formed with at least one folded pleat along a laterally outward margin of the web, such that the pleat reduces the width of the web to less than the maximum component width. The pleat is temporarily tacked to retain the pleat against unfolding while the web is handled by the machinery, but is yieldable to unfold when a diaper made with the web is donned for wearing. The pre-formed pleated web is delivered to the machinery, which is then operated in normal manner to incorporate the web into a plurality of diapers.Type: GrantFiled: January 27, 2009Date of Patent: April 26, 2011Assignee: Attends Healthcare Products, Inc.Inventor: William W. Gaston
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Patent number: 7918838Abstract: A disposable diaper including, a covering chassis having front and rear waist regions, and a crotch region; a body fluid absorbent structure disposed at least in the crotch region; and an elastic isolating sheet covering at least the absorbent structure. The elastic isolating sheet has a front opening and a rear opening. The absorbent structure is provided on a bottom thereof with an elastic panel.Type: GrantFiled: September 4, 2007Date of Patent: April 5, 2011Assignee: Uni-Charm CorporationInventors: Hironao Minato, Kaiyo Nakajima, Naoko Takada
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Patent number: 7918840Abstract: An absorbent article includes an upper, liquid-permeable cover sheet, a lower, liquid-impermeable cover sheet, and an absorption body arranged between the cover sheets. The article includes first and second side barriers along the respective longitudinal sides of the article. Each side barrier has at least one longitudinal elastic element. The side barriers define a shape which narrows in the direction towards the front portion so that the distance, in the transverse direction of the article, between the elastic elements is greater in the rear portion than in the front portion. Each side barrier is arranged such that, when it is secured in contact with the front portion, each side barrier and the upper cover sheet define a folded structure of substantially Z-shaped cross section with a fold directed towards the inside of the article.Type: GrantFiled: March 3, 2004Date of Patent: April 5, 2011Assignee: SCA Hygiene Products ABInventor: Helena Corneliusson
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Patent number: 7918961Abstract: The present invention relates to a new worn article, which gives a close fit and with which it is possible to reduce the production cost. A worn article of the present invention includes a main body portion 20 including an absorbent core 25 and covering a front torso area, a crotch area and a rear torso area of a wearer, and a pair of side panels PL and PR attached to the main body portion 20 and located between the front and rear torso areas when the worn article is worn. Each of the side panels PL and PR is stretchable in an around-the-torso direction X. At least a portion of the side panel PL and PR includes an elastic thread G sandwiched between at least two sheet-like materials S1 and S2 and is in a contracted state where the elastic thread is contracted, thus forming gathers.Type: GrantFiled: February 7, 2005Date of Patent: April 5, 2011Assignee: Zuiko CorporationInventors: Takao Wada, Masaki Nakakado
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Patent number: 7901392Abstract: Absorbent articles such as disposable diapers, incontinent briefs, diaper holders, training pants and the like, having elastomeric ear panels and a fastening system that provides the user with different options as to how the absorbent article may be fitted to and removed from the wearer. The absorbent articles allow the wearer to choose between conventional and pull-on diaper configurations, or combinations thereof, and properly and comfortably fit a large range of wearer sizes. Further, the absorbent articles can be pulled on and/or off as a pant. This feature is provided by the ear panels which maintain sufficient tension to hold the diaper on the wearer throughout the period of use without harming the wearer's skin, while providing enough stretch to allow the diaper to be pulled up or down over the wearer's hips. The fastening system is refastenable for convenience yet strong enough to maintain the diaper in a fastened configuration without becoming detached if the diaper is pulled on or off the wearer.Type: GrantFiled: January 30, 2008Date of Patent: March 8, 2011Assignee: The Procter & Gamble CompanyInventors: Mark James Kline, Miguel Alvaro Robles
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Patent number: 7887526Abstract: A disposable undergarment includes a front body panel having a pair of opposite first side edges, a first waist edge and a first crotch edge spaced from said first waist edge. A rear body panel has a pair of opposite second side edges, a second waist edge and a second crotch edge spaced from said second waist edge. The crotch edges of each of the front and rear body panel webs includes at least one peak and at least one valley. Each of the front and rear body panels have a minimum rise defined between the valley of each of the respective front and rear body panels and the first and second waist edges respectively. The valleys defining the minimum rises form at least in part leg opening portions of the front and rear body panels. The crotch edges of the front and rear body panels are spaced apart and form a gap therebetween in a non-overlapping relationship. A crotch member bridges the gap and has opposite end portions connected to the front and rear body panels respectively.Type: GrantFiled: August 7, 2008Date of Patent: February 15, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Paul T. Van Gompel, Russell E. Thorson, Jacqueline A. Gross
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Patent number: 7872168Abstract: An absorbent article having a stretchable substrate and an absorbent composite comprising a layer of adhesive composition in contact with the stretchable substrate. A layer of particulate superabsorbent material is applied to and held by the adhesive composition. The absorbent composite is secured to the substrate by the adhesive composition. The stretchable substrate has a recovery in at least one of the lateral direction and the longitudinal directions of the article as determined by an Elongation and Recovery Test, and the absorbent article has a recovery in the at least one of the lateral direction and the longitudinal direction as determined by the Elongation and Recovery Test that is at least about 60 percent of the recovery of the substrate in the at least one of the lateral direction and the longitudinal direction.Type: GrantFiled: October 31, 2003Date of Patent: January 18, 2011Assignee: Kimberely-Clark Worldwide, Inc.Inventors: Lawrence H. Sawyer, Mark M. Mleziva, Peiguang Zhou, Davis-Dang Hoang Nhan
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Patent number: 7867211Abstract: A system comprising a thong-shaped holder for holding an absorbent article in close bodily contact in the pudendal region of the wearer. The holder comprises a front region, a crotch region having a specified Crotch Holding Force, and a rear region. The crotch region of the holder typically is elastically extensible in both the longitudinal and lateral directions. The holder provides an upward holding force against the absorbent article in the crotch region to hold the article in close bodily contact. A method for holding such an article in close bodily contact by wearing the holder is also disclosed.Type: GrantFiled: May 23, 2005Date of Patent: January 11, 2011Assignee: Rusl, LLCInventor: Jerry Edward Carstens
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Patent number: 7846145Abstract: A body conforming, reusable, washable, textile holder for removably holding at least one article in close bodily contact. The holder may be a wrap or tube constructed to enclose a portion of the body where the article is to be held. The article may be a therapeutic article, such as a heat generating thermal pack, a cooling pack, or other article comprising a therapeutic agent; an absorbent article; a sensing article; or a filter article. The invention also relates to a system comprising the body conforming holder and an article for use therewith, and a method for holding such an article in close bodily contact by wearing the holder.Type: GrantFiled: November 8, 2005Date of Patent: December 7, 2010Assignee: RUSL, LLCInventor: Jerry Edward Carstens
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Publication number: 20100298802Abstract: A wearable absorbent article comprises an outer cover and an absorbent core assembly. At least a portion of the outer cover is joined to the absorbent core assembly over at least a first attachment area and a second attachment area. The overall lateral width of the second attachment area is less than the overall lateral width of the first attachment area. At least a portion of the second attachment area is disposed in a hip region of the article. The first attachment area is disposed longitudinally outboard from the second attachment area.Type: ApplicationFiled: May 19, 2009Publication date: November 25, 2010Inventors: Mark James Kline, Nezam Malakouti, John Glasgow Burns, JR.
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Patent number: 7833211Abstract: A stretch laminate includes a first layer including an elastomer film, the first layer having a surface, and a second layer including a nonwoven material, the second layer having a surface that is attached to the surface of the first layer. The tensile behavior in the transverse direction of the stretch laminate is within about 2.5 N/cm of the tensile behavior in the transverse direction of the film at an engineering strain of about 1.5, and exists independent of mechanical activation. A method of making the stretch laminate and an absorbent article having at least one region defined by the stretch laminate are also provided.Type: GrantFiled: April 24, 2006Date of Patent: November 16, 2010Assignee: The Procter & Gamble CompanyInventor: Todd Leon Mansfield
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Patent number: 7819852Abstract: An absorbent article capable of reliably achieving an improved body-fitting profile. The absorbent article includes a fluid permeable facing layer having a first elastic modulus and an absorbent core joined to the facing layer, the absorbent core having a second elastic modulus, wherein at equal strain from about 1% to about 5% the first elastic modulus is greater than the second elastic modulus, and a fluid impermeable backsheet joined to the facing layer.Type: GrantFiled: June 20, 2003Date of Patent: October 26, 2010Assignee: The Procter & Gamble CompanyInventors: Bryan Keith Feller, Matthew Joseph Macura
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Patent number: 7811271Abstract: An absorbent article such as a sanitary napkin, adult incontinence device, or the like. The absorbent article has a pair of flaps for securing the absorbent article. The flaps extend laterally outward from the main body portion of the article. The flaps are associated with the main body portion at a juncture along the longitudinal edges of the main body portion. The flaps have a notch. The flaps have at least one first zone of anisotropic stiffness contiguous with the notch. The first zone of anisotropic stiffness has a relatively stiffer direction and a relatively less stiff direction. The first zone of anisotropic stiffness can be made of corrugated or ring-rolled portions of the absorbent article.Type: GrantFiled: July 12, 2006Date of Patent: October 12, 2010Assignee: The Procter & Gamble CompanyInventors: Marco Digiacomantonio, Giovanni Carlucci
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Patent number: 7806883Abstract: An absorbent article may comprise a topsheet; a backsheet joined with the topsheet; an absorbent core between the topsheet and backsheet; and an elastic element comprising a breathable stretch laminate. The breathable stretch laminate may comprise a first substrate; and an elastic member joined to the first substrate, wherein said elastic member comprises a polyurethane. The breathable stretch laminate may exhibit a MVTR greater than about 300 grams per square meter per 24 hours and a force relaxation of less than about 50% after about 10 hours at 100° F. and 50% elongation.Type: GrantFiled: January 17, 2006Date of Patent: October 5, 2010Assignee: The Procter & Gamble CompanyInventors: Renae Dianna Fossum, Arman Ashraf
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Patent number: 7806884Abstract: A pant type absorbent article such as a pant diaper, a sanitary pant or incontinence pant, the article having a core region including an absorbent core and a chassis region surrounding the core region. The article, at least in part of the chassis region, has a outer coversheet in the form of an elastic laminate having puncture resistance of at least 15N, wherein the laminate includes first and second layers of fibrous material and an elastic film layer located between the first and second fibrous layers and in which at least one of the layers of fibrous material has an elongation at maximum load greater than the elasticity of the elastic laminate.Type: GrantFiled: June 22, 2004Date of Patent: October 5, 2010Assignee: SCA Hygiene Products ABInventors: Jenny Hildeberg, Elisabeth Lakso
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Patent number: 7803147Abstract: A diaper for holding an absorbent article in close bodily contact in the crotch region of the wearer. The diaper comprises a front region, a crotch region having a specified Crotch Holding Force, and a rear region. The crotch region of the diaper typically is elastically extensible in both the longitudinal and lateral directions. The diaper provides an upward holding force against the absorbent article in the crotch region to hold the article in close bodily contact. A system comprising the diaper and an absorbent article for use therewith, and a method for holding such an article in close bodily contact by wearing the diaper, is also disclosed.Type: GrantFiled: November 22, 2006Date of Patent: September 28, 2010Assignee: RUSL, LLCInventor: Jerry Edward Carstens
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Publication number: 20100234823Abstract: A stretchable composite sheet having a number of ridges in a neat and orderly arrangement is disclosed. The stretchable composite sheet is easily produced by the process of the invention. The stretchable composite sheet is a laminate of a stretch sheet 10 and a nonstretch sheet 2. The stretch sheet 10 has first zones 14 having elastic stretchability and second zones 15 having less stretchability than the first zones 14. The first zones 14 and the second zones 15 extend in the same direction and alternate with each other. The stretch sheet 10 and the nonstretch sheet 2 are bonded over substantially the entire area of their facing sides. The stretchable composite sheet has a large number of ridges 3 on the side of the nonstretch sheet.Type: ApplicationFiled: December 1, 2008Publication date: September 16, 2010Inventors: Shinnosuke Morita, Kenji Ando, Kenji Ishiguro, Manabu Matsui
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Patent number: 7789867Abstract: A diaper for holding an absorbent article in close bodily contact in the crotch region of the wearer. The diaper comprises a front region, a crotch region having a specified Crotch Holding Force, and a rear region. The crotch region of the diaper typically is elastically extensible in both the longitudinal and lateral directions. The diaper provides an upward holding force against the absorbent article in the crotch region to hold the article in close bodily contact. A system comprising the diaper and an absorbent article for use therewith, and a method for holding such an article in close bodily contact by wearing the diaper, is also disclosed.Type: GrantFiled: November 22, 2006Date of Patent: September 7, 2010Assignee: RUSL, LLCInventor: Jerry Edward Carstens
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Publication number: 20100222757Abstract: An improved barrier member for an absorbent article that includes a nonwoven treated with a hydrophobic surface coating. The hydrophobic surface coating includes a non-aqueous, solventless, multicomponent silicone composition. The hydrophobic surface coating may be substantially free of aminosilicones.Type: ApplicationFiled: January 22, 2010Publication date: September 2, 2010Inventors: Johannson Jimmy Tee, JR., Kemal Vatansever Catalan
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Patent number: 7785307Abstract: A pant-type absorbent article having an absorbent assembly having an absorbent core and a chassis, wherein the front and back portions are joined to each other along two opposite longitudinal side edges to define a waist-opening and a pair of leg-openings, at least one of the front and back portions has an elastic web material, a crotch portion located between the front portion and the back portion in the longitudinal direction of the article, the front portion having a length in the longitudinal direction, the back portion having a length in the longitudinal direction, and the crotch portion having a length in the longitudinal direction, the absorbent assembly overlapping a distance with both the front and back portions, the article having a longitudinal and a transverse direction, wherein the absorbent assembly overlaps no more than 20% of the surface area of each of the front and back portions.Type: GrantFiled: August 22, 2007Date of Patent: August 31, 2010Assignee: SCA Hygiene Products ABInventor: Magareta Wennerback
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Patent number: 7785311Abstract: A diaper for holding an absorbent article in close bodily contact in the crotch region of the wearer. The diaper comprises a front region, a crotch region having a specified Crotch Holding Force, and a rear region. The crotch region of the diaper typically is elastically extensible in both the longitudinal and lateral directions. The diaper provides an upward holding force against the absorbent article in the crotch region to hold the article in close bodily contact. A system comprising the diaper and an absorbent article for use therewith, and a method for holding such an article in close bodily contact by wearing the diaper, is also disclosed.Type: GrantFiled: November 22, 2006Date of Patent: August 31, 2010Assignee: RUSL, LLCInventor: Jerry Edward Carstens
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Patent number: 7776020Abstract: An absorbent article comprising a laminated outer cover is disclosed. The laminated outer cover comprises an aliphatic-aromatic copolyester film including a filler material. The aliphatic-aromatic copolyester films have suitable breathability, vapor transfer and tensile strength properties while being substantially biodegradable.Type: GrantFiled: March 19, 2004Date of Patent: August 17, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ross Thomas Kaufman, Vasily Aramovich Topolkaraev, Gregory James Wideman, Richard Warren Tanzer
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Patent number: 7771407Abstract: A method of producing disposable under-shorts having a fit gather laminate at high speeds. The method includes disposing an elastic member (1) between a pair of upper and lower non-woven fabric sheets (6, 7) in the width direction, intermittently securing the elastic member (1) to portions of the non-woven fabric sheets (6, 7) and cutting a non-secured section of the elastic member (1). The method also may include cutting the fabric sheets into pieces of a predetermined size and shape, folding the pieces along a center line, attaching together the left edges and attaching together the right edges to form a fit gather laminate. The method may further comprise attaching a reinforcing sheet (3) to the under-side of the fit gather laminate (2), and disposing an absorber (4) on the upper-side of the laminate (2), and a back sheet (5) on the under-side of the reinforcing sheet (3).Type: GrantFiled: February 11, 2003Date of Patent: August 10, 2010Assignee: Zuiko CorporationInventor: Toyoshi Umebayashi
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Patent number: 7771406Abstract: The invention relates to an absorbent, disposable article, preferably a diaper, having a backsheet and a topsheet comprising a first waist region, a second waist region, and a crotch region interposed there between, a longitudinal axis, and an opening, which provides a passageway to a primary void space for receiving bodily exudates therein, positioned between the topsheet and the backsheet, whereby the opening is positioned in at least the crotch region along the longitudinal axis; whereby the topsheet is elasticated; and whereby the article has a shortened article portion, as defined herein, which has a shortened article length L, a stretched shortened article length Ls and a contracted shortened article length Lc, whereby the article and/or its topsheet has an specific elastic profile and/or a specific ratio of Lc to Ls. The article preferably has a slit opening with on each side elastic regions, preferably in the shape of an X, as shown in FIG.Type: GrantFiled: April 13, 2007Date of Patent: August 10, 2010Assignee: The Procter & Gamble CompanyInventors: Joerg Mueller, Mattias Schmidt, Lars Westerheide, Frederick Michael Langdon, Michael Divo
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Patent number: 7771408Abstract: The present invention relates to a disposable absorbent article, e.g. a diaper, having a backsheet, an absorbent core and a topsheet, said absorbent article having a length L, said topsheet having an opening and primary elasticated areas and secondary elasticated areas, the latter being curved or angled, having an overall curvature with a radius of from 0.3 L to 3.2 L, wherein the average transverse distance between a primary elasticated area and a secondary elasticated area of a crotch side portion is preferably at least 15 mm.Type: GrantFiled: August 20, 2007Date of Patent: August 10, 2010Assignee: The Procter & Gamble CompanyInventors: Joerg Mueller, Cornelia Martynus, Anja Hoffmann, Mattias Schmidt, John Costello, Ann Sullivan, Gregg Flender
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Publication number: 20100179503Abstract: An absorbent article having a reusable outer cover and, optionally, an absorbent insert. The reusable outer cover has zones of varying properties. The properties of the different zones are varied to provide different performance features in different parts of the outer cover. The outer cover with zones of varying properties may provide competing or contradictory functionalities for improved comfort, fit, leakage protection, and aesthetic appeal.Type: ApplicationFiled: January 14, 2010Publication date: July 15, 2010Inventors: Donald Carroll Roe, Elaine Mary Wiggins