Patents by Inventor Kent Hermansson

Kent Hermansson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7598427
    Abstract: The invention relates to an absorbent article for taking up body fluids, with a longitudinal direction, a transverse direction, a crotch portion (8) and two end portions (6, 7), and having side edges (9, 10) extending in the longitudinal direction and end edges (11, 12) extending in the transverse direction, and comprising a liquid-permeable cover sheet (2) and a liquid-tight cover sheet (3), and an absorbent body (4) arranged between the cover sheets (2, 3), and further comprising barriers which are arranged along the side edges (9, 10) of the article and which are raised up from the liquid-permeable cover sheet (2). The liquid-permeable cover sheet (2) has a central zone (30) which is arranged essentially in the crotch portion (8) of the article, and two end zones (31, 32) which are arranged at the end portions (6, 7) of the article, the liquid-permeable cover sheet (2) being more hydrophilic in the central zone (30) than in the end zones (31, 32).
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: October 6, 2009
    Assignee: SCA Hygiene Products AB
    Inventors: Christina Ragnarson, Kent Hermansson, Åsa Lindström
  • Publication number: 20090083961
    Abstract: An absorbent article of pants shape including an elastic waist portion, an absorbent element (5), and a liquid-impermeable outer layer (3) which is intended to enclose the absorbent element on at least that side thereof which faces away from the wearer during use of the article. Elastic members are arranged along the edges of a second piece, along at least the crotch portion for the forming of leg elastics.
    Type: Application
    Filed: December 5, 2008
    Publication date: April 2, 2009
    Applicant: SCA Hygiene Products AB
    Inventor: Kent Hermansson
  • Publication number: 20090038751
    Abstract: A method for production of disposable hygienic absorbent articles (12) in which each article has a substantially homogenous elastic laminate web (14) having a maximum elastic extensibility in a first direction of at least 40%, preferably at least 60%, and most preferably at least 80%, under a peak load Fp, and an absorbent core (16) attached to the elastic laminate web. The method including the steps of providing a continuous length of the elastic laminate web (14); advancing the continuous length of the elastic laminate web in a direction of travel (A) corresponding to the first direction; attaching individual absorbent cores (16) to the continuous length of the elastic laminate web at spaced intervals, and forming individual articles (12) from the thus assembled individual absorbent cores and the continuous length of said elastic laminate web.
    Type: Application
    Filed: September 29, 2004
    Publication date: February 12, 2009
    Applicant: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Jan Wastlund-Karlsson, Margareta Wennerback, Carina Hedlund, Niclas Norrby
  • Patent number: 7481802
    Abstract: An absorbent article of pants shape including an elastic waist portion, an absorbent element (5), and a liquid-impermeable outer layer (3) which is intended to enclose the absorbent element on at least that side thereof which faces away from the wearer during use of the article. Elastic members are arranged along the edges of a second piece, along at least the crotch portion for the forming of leg elastics.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: January 27, 2009
    Assignee: SCA Hygiene Products AB
    Inventor: Kent Hermansson
  • Publication number: 20080300564
    Abstract: An absorbent product having a rear part, a front part and a crotch part in its longitudinal direction, including a liquid permeable perforated top sheet facing the wearer, a liquid impermeable back sheet facing away from the wearer, and an absorbent structure positioned between the top sheet and the back sheet, and whereby longitudinally extending textile-like edges are positioned on both longitudinal sides of the top sheet, whereby the rear part of the absorbent structure is rounded in the form of at least three different radii. Hereby, it is possible to adjust the shape of the absorbent structure so that more absorbent material is put in the product.
    Type: Application
    Filed: December 16, 2005
    Publication date: December 4, 2008
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Maria Bogren, Carin Hakansson, Kent Hermansson, Elisabeth Boissier, Patrik Andersson
  • Publication number: 20080294138
    Abstract: Absorbent product including a liquid permeable perforated top sheet facing the wearer during use, a liquid impermeable back sheet facing away from the wearer during use, whereby longitudinally extending textile-like edges are positioned on both longitudinal sides of the top sheet, so that a central part of the top sheet is not covered by the textile-like edges, whereby the longitudinal diameter of the apertures of the top sheet is in the interval from 0.1 to 3.2 mm, preferably from 0.5 to 3.2 mm, more preferably from 0.9 to 2.4 and most preferably from 1.6 to 2.4 mm, wherein at least 70% of the area of the central part of the top sheet is apertured, and wherein the top sheet further includes perforations, that are positioned between the apertures of the top sheet.
    Type: Application
    Filed: December 16, 2005
    Publication date: November 27, 2008
    Applicant: SCA Hygiene Products AB
    Inventors: Patrik Andersson, Maria Bogren, Carin Hakansson, Kent Hermansson, Linda Fransson
  • Patent number: 7413079
    Abstract: A packing wrap for enclosing an individual packed absorbent article, such as a sanitary towel, a panty liner or an incontinence pad, including a first material piece arranged over the first surface of the absorbent article and a second material piece arranged over the second surface of the absorbent article, an opening location having a longitudinal extent, and a region capable of tactile detection of the opening location, the region being arranged adjacent to the opening location. The region has a longitudinal extent, and is arranged essentially parallel to the longitudinal extent of the opening location.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: August 19, 2008
    Assignee: SCA Hygiene Products AB
    Inventors: Sofia Hermansson, Anders Stenberg, Kent Hermansson
  • Patent number: 7347846
    Abstract: Absorbent pants with a longitudinal direction and a transverse direction at right angles to the longitudinal direction and having an absorption core arranged between a liquid-tight cover sheet and a liquid-permeable cover sheet. The diaper pants have a front portion, a rear portion and an intermediate crotch portion, and a front edge and a rear edge extending substantially in the transverse direction and forming a waist opening, two side edges extending substantially in the longitudinal direction and forming two leg openings. An elastic sheet material is arranged at least along the waist opening of the diaper pants and extends at least from the waist opening to the leg openings, the elastic sheet material being secured to the absorption core in a substantially unstretched state.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: March 25, 2008
    Assignee: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Niclas Norrby, Catarina Linnér
  • Publication number: 20070289697
    Abstract: A process for manufacturing blanks for disposable pants includes feeding a web having a longitudinal direction and a transverse direction, cutting the web and elastics into a plurality of first and second pant blanks, wherein each of the first pant blanks has a front part extending along a first edge and a back part extending along a second edge and each of the second pant blanks has a front part extending along the second edge and a back part extending along the first edge, wherein the first and second pant blanks are arranged in alternating sequence along the longitudinal direction and wherein the back part of each of the pant blanks is longer than the front part of each of the pant blanks, and cutting first and second cut-out portions from the web, wherein each of the pant blanks is arranged between one of the first cut-out portions and one of the second cut-out portions.
    Type: Application
    Filed: August 27, 2007
    Publication date: December 20, 2007
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Hans Een, Kent Hermansson
  • Publication number: 20070239131
    Abstract: An absorbent article of the kind which is worn as a pair of absorbent pants with a waist opening defined by a rear waist edge and a front waist edge, and two leg openings. The absorbent article preferably includes an absorbent body attached to a covering. The covering preferably includes an elastic material arranged within an area which extends at least from the front waist edge to the leg openings. The elastic material is preferably treated. The treated elastic material preferably has no or reduced elasticity within a portion of the covering overlapping the absorbent core.
    Type: Application
    Filed: June 28, 2004
    Publication date: October 11, 2007
    Applicant: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Carina Hedlund, Niclas Norrby, Jan Wastlund-Karlsson, Margareta Wennerback
  • Publication number: 20070034315
    Abstract: A method to produce an absorbent article using a blank, includes the following steps: folding the side-edge portions of the side parts of either the rear portion or front portion in towards the inner cover sheet over supports placed on the side parts of this portion and extending along the full length of this portion, folding the blank about a transverse line in the crotch portion so that the end edges of the front portion and rear portion come to lie edge-to-edge and so that the side-edge portions of the folded-in portion overlap the folded-in side-edge portions of the second portion; and welding together the overlapping side-edge portions of the side parts within the area of the supports by way of ultrasonic or thermal welding.
    Type: Application
    Filed: October 18, 2006
    Publication date: February 15, 2007
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Cecile Sandin, Kenneth Strannemalm, Kent Hermansson, Hans Een
  • Publication number: 20060196597
    Abstract: A process for manufacturing a plurality of disposable pants includes continuously feeding a web along a path, the web having a longitudinal direction coinciding with the path and a transverse direction perpendicular to the longitudinal direction, and the web having first and second end edges extending in the longitudinal direction, cutting the web into a plurality of first and second pant blanks, each of the first and second blanks having a front part and a back part, the front and back parts being arranged in sequence in the transverse direction of the web, wherein the cutting is performed in such a way that the blanks are aligned in the longitudinal direction of the web with every second blank being rotated 180? with respect to every first blank.
    Type: Application
    Filed: January 25, 2006
    Publication date: September 7, 2006
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Hans Een, Kent Hermansson
  • Patent number: 6911024
    Abstract: Absorbent article includes a liquid pervious topsheet, a liquid impervious backsheet and an absorbent body enclosed therebetween. The article seen in longitudinal direction exhibits a front portion, a rear portion and a crotch portion therebetween, and a pair of belt portions attached to the rear portion alternatively the front portion and which are intended by the first fastening elements to be fastened together around the waist of the wearer and wherein the front portion alternatively rear portion exhibits second fastening elements intended to be attached to the belt portions, in such a way that the article will assume a pantlike shape, where the belt portions form a part of the waist portions of the pant.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: June 28, 2005
    Assignee: SCA Hygiene Products AB
    Inventors: Liljana Kusibojoska, Kent Hermansson
  • Publication number: 20050059946
    Abstract: An absorbent article (1) such as a diaper, an incontinence pad or a sanitary towel, includes an absorbent body (6) enclosed in a covering (16), and a fastening arrangement for fastening the article on a wearer. The fastening arrangement includes a first and a second fastening device (26, 27), each having a two-part female part (29, 31) and a two-part male part (28, 30), the respective female parts (29, 31) of the fastening devices (26, 27) being arranged in diagonally opposite corners of the article (1), and the respective male parts (28, 30) of the fastening devices (26, 27) being arranged in the other two diagonally opposite corners of the article (1) when the article is in a folded-out state.
    Type: Application
    Filed: September 13, 2004
    Publication date: March 17, 2005
    Applicant: SCA Hygiene Product AB
    Inventors: Kent Hermansson, Hanna Ostlin, Maria Classon
  • Publication number: 20050029144
    Abstract: A packing wrap (1) for enclosing an individual packed absorbent article (2), such as a sanitary towel, a panty liner or an incontinence pad, including a first material piece (3) arranged over the first surface of the absorbent article (2) and a second material piece (4) arranged over the second surface of the absorbent article (2), an opening location (5) having a longitudinal extent, and a region capable of tactile detection of the opening location, the region (12) being arranged adjacent to the opening location (5). The region (12) has a longitudinal extent, and is arranged essentially parallel to the longitudinal extent of the opening location (5).
    Type: Application
    Filed: July 9, 2004
    Publication date: February 10, 2005
    Applicant: SCA Hygiene Products AB
    Inventors: Sofia Hermansson, Anders Stenberg, Kent Hermansson
  • Publication number: 20040267218
    Abstract: The present invention relates to an absorbent article and method to produce the article using a blank, comprising the following steps: folding the side-edge portions of the side parts of either the rear portion or front portion in towards the inner cover sheet over supports placed on the side parts of this portion and extending along the full length of this portion; folding the blank about a transverse line in the crotch portion so that the end edges of the front portion and rear portion come to lie edge-to-edge and so that the side-edge portions of the folded-in portion overlap the folded-in side-edge portions of the second portion; and welding together the overlapping side-edge portions of the side parts within the area of the supports by means of ultrasonic or thermal welding.
    Type: Application
    Filed: January 9, 2004
    Publication date: December 30, 2004
    Inventors: Cecile Sandin, Kenneth Strannemalm, Kent Hermansson, Hans Een
  • Patent number: 6764479
    Abstract: Absorbent article such as a diaper and an incontinence guard includes a pair of belt portions attached to the rear portion or alternatively to the front portion of the article. The belt portions are fastened together around the waist of the wearer, wherein the one belt portion carries a first fastener arrangement intended to be attached against the opposite belt portion. The front portion or alternatively the rear portion exhibits a second fastener arrangement intended to be attached to the belt portions in such a way that the article will assume a pantlike shape, where the belt portions form a part of the waist portions of the pant. The belt portions are attached to the rear portion or alternatively to the front portion of the article via first elastic side panels arranged on the article. The front portion or alternatively the rear portion of the article has second elastic side panels to which the second fastener arrangement is attached.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 20, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Liljana Kusibojoska, Kent Hermansson, Kenneth Strannemalm
  • Patent number: 6685686
    Abstract: Absorbent article such as a diaper, an incontinence guard, a pantyliner or a sanitary napkin, including a liquid-pervious topsheet (3), a liquid-impermeable backsheet (2), and an absorbent body (4) enclosed therebetween, wherein the topsheet (3) and absorbent body (4) either directly or via at least one intermediate layer are joined partly by a first adhesive (5) and partly by a second adhesive (6) The surface which is constituted of the topsheet (3) and which is adhesively joined with the first adhesive (5) and the second adhesive (6) is formed into a three-dimensional structure having alternating raised (8) and recessed regions (7), wherein the first adhesive (5) is arranged in the recessed regions (7) and the second adhesive (6) is arranged in the raised regions (8).
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: February 3, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Sofia Roxendal
  • Patent number: 6669678
    Abstract: Absorbent article, such as a diaper and an incontinence guard, comprising a liquid-pervious topsheet (2), a liquid-impervious backsheet (3), and an absorbent body (4). The article exhibits a front portion (5), a rear portion (6), a crotch portion (7), and a belt (9, 9′) attached to or intended to be attached to the rear portion (6) and to the front portion (5), so that the article assumes a pant-like shape. On both the outside and the inside, at least one belt portion (9′) carries a receiving material (12, 13) which can serve as a receiving area for an attachment material (10) on a second belt portion (9) and on one or several attachment means (8, 8′) attached to the front portion (5) of the article. The receiving area (12, 13) also enables reattachment of said attachment material.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: December 30, 2003
    Assignee: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Kenneth Strannemalm, Katharina Karlsson
  • Publication number: 20030220622
    Abstract: Absorbent pants with a longitudinal direction and a transverse direction at right angles to the longitudinal direction and having an absorption core arranged between a liquid-tight cover sheet and a liquid-permeable cover sheet. The diaper pants have a front portion, a rear portion and an intermediate crotch portion, and a front edge and a rear edge extending substantially in the transverse direction and forming a waist opening, two side edges extending substantially in the longitudinal direction and forming two leg openings. An elastic sheet material is arranged at least along the waist opening of the diaper pants and extends at least from the waist opening to the leg openings, the elastic sheet material being secured to the absorption core in a substantially unstretched state.
    Type: Application
    Filed: February 19, 2003
    Publication date: November 27, 2003
    Inventors: Kent Hermansson, Niclas Norrby, Catarina Linner