Patents by Inventor Lucas Bäck
Lucas Bäck 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).
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Publication number: 20120324633Abstract: A method of manufacturing absorbent articles (9) includes feeding a longitudinal web (1) of web material having openings (16) such that spaced apart, opposing margins (18) of web material are formed between the respective opening and opposing longitudinal edges of the web material; carrying out a folding action (20) of folding the web about itself along its longitudinal direction; carrying out a second (30) folding action of folding at least a portion of the web along its longitudinal direction; after the second folding action, forming a joint (46) in the web, the joint being formed at least in a part of the region in which the opposing margins have been brought together by the second folding action; finally separating (8) the web through the joint to separate an individual absorbent article from the end of the web.Type: ApplicationFiled: February 16, 2010Publication date: December 27, 2012Applicant: SCA Hygiene Products ABInventors: Lucas Bäck, Lennart Nilsson
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Publication number: 20120232507Abstract: A belted absorbent article includes an absorbent structure extending about a first longitudinal axis, the absorbent structure including a topsheet, a backsheet and an absorbent batt disposed between the topsheet and the backsheet, the absorbent structure having a transverse axis dividing the absorbent structure into a front panel terminating in a front end region and a rear panel terminating in a rear end region, the absorbent structure being delimited by opposed longitudinal edges and opposed transverse edges, and a pair of opposed belt halves including nonwoven material attached to the absorbent structure at the rear end region of the rear panel, each of the belt halves being attached by a respective joint, each belt half extending about a longitudinal axis of the belt such that each belt half extends outwardly from a respective longitudinal edge of the absorbent structure.Type: ApplicationFiled: May 15, 2012Publication date: September 13, 2012Applicant: SCA Hygiene Products ABInventors: Christian ALMBERG, Lucas Bäck
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Patent number: 8197458Abstract: A seam joining together at least two web materials in an overlapped manner, wherein the overlapped portions are bonded together by ultrasonic welding, heat bonding, laser welding or the like, in a bonding pattern extending over at least a part of the overlapped portion to form said seam. The bonding pattern has a main bonding pattern extending in longitudinal direction along at least a part of the overlapped portion, and at least one edge bonding pattern extending in longitudinal direction along at least a part of along and adjacent at least one side edge of the overlapped portion, the bonded area of said edge bonding pattern occupying no more than 30% of the total bonded area of the central bonding pattern plus the bonded area of the edge bonding pattern. The seam may be present in a personal care absorbent article.Type: GrantFiled: July 13, 2006Date of Patent: June 12, 2012Assignee: SCA Hygiene Products ABInventor: Lucas Bäck
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Publication number: 20120123377Abstract: A pant-type article having a boxer-short configuration. The article includes first and second panels which are joined via a crotch region joining. Folding and inverting the panels, and sealing along side-seams and inner legs seams provides a boxer-short. Methods for manufacturing the pant-type article are also provided. The pant-type article can be manufactured in a continuous side-by-side fashion.Type: ApplicationFiled: July 16, 2009Publication date: May 17, 2012Applicant: SCA HYGIENE PRODUCTS ABInventor: Lucas Bäck
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Publication number: 20120071309Abstract: A method of manufacturing a top sheet material or back sheet material for use in the manufacture of disposable absorbent articles, including the steps of: a) splitting a continuous first web of sheet material having substantially straight side edges into a second and third continuous web by an alternating concave-convex cutting line cut in a longitudinal direction along the continuous first web, the cutting line being distanced from both side edges of the continuous first web; b) shifting the second continuous web in a lateral direction in relation to the third continuous web so that the substantially straight edges of the second and third continuous webs are parallel to and adjacent to each other and longitudinally shifting the second continuous web so that the series of concave edge portions and the series of convex edge portions of the second and third continuous webs are longitudinally aligned with each other: c) directly or indirectly joining the substantially straight edges of the second and third contiType: ApplicationFiled: June 4, 2009Publication date: March 22, 2012Applicant: SCA HYGIENE PRODUCTS ABInventors: Lucas Bäck, Ulrika Carlson
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Publication number: 20120055613Abstract: A method for manufacturing elasticated webs including discontinous elastic threads, and methods for manufacturing articles from such elasticated webs. Apparatus for carrying out the methods. Further, elasticated webs and articles which can be manufactured using the methods.Type: ApplicationFiled: April 30, 2009Publication date: March 8, 2012Applicant: SCA HYGIENE PRODUCTS ABInventor: Lucas Bäck
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Publication number: 20120055615Abstract: A method for manufacturing elasticated webs including discontinous elastic threads, and methods for manufacturing articles from such elasticated webs. Apparatus for carrying out the methods. Further, elasticated webs and articles which can be manufactured using the methods.Type: ApplicationFiled: April 22, 2010Publication date: March 8, 2012Applicant: SCA HYGIENE PRODUCTS ABInventor: Lucas Bäck
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Patent number: 8057457Abstract: Absorbent garment such as a diaper and an incontinence guard, said garment has a first body panel, a second body panel and a crotch portion there between. The garment is provided with opposed laterally extending belt members attached to the waist portion of the first body panel and are adapted to be wrapped around the waist of the wearer of the garment and fastened together by a first fastener. The second body panel at its waist portion is provided with second fasteners adapted to be fastened to the belt members, in such a way that the garment will assume a pant-like shape. An elastic member extends in transverse direction along the waist portion of the first body panel and extends into at least a portion of each belt member.Type: GrantFiled: June 21, 2006Date of Patent: November 15, 2011Assignee: SCA Hygience Products ABInventors: Lucas Bäck, Elisabeth Lakso, Stefan Nedestam, Ingela Flink-Ekwall, Kent Hermansson, Gunnel Elglund
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Publication number: 20110015604Abstract: A urine absorbent pouch for male incontinence includes an absorbent core enclosed between two casing sheets. The casing sheets are extended beyond the lateral sides of the absorbent core and beyond the opposite longitudinal ends thereof and are attached to each other in the parts extending beyond the absorbent core. The unit of casings sheets and enclosed absorbent core are folded around a lateral fold line so that two parts of the unit are folded in over each other. The two pairs of attached casing sheets extending beyond the respective lateral side of the folded unit are sealed to each other by a seam extending from the fold line in a longitudinal direction and ending a distance from the ends of the folded unit. The two parts of the unit include a through-going hole, attaching means, and an elastic member provided along the peripheral edge of the hole.Type: ApplicationFiled: July 9, 2007Publication date: January 20, 2011Applicant: SCA HYGIENE PRODUCTS ABInventor: Lucas Bäck
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Patent number: 7828785Abstract: An absorbent garment having belt sections attached to the waist portion of a first body panel and fastened together by a first fastener, a second body panel at its waist portion being provided with a second fastener adapted to be fastened to at least one of the belt sections; wherein when the absorbent garment is tested by: (a) fastening a belted absorbent garment around movable mechanical members which are adapted to mechanically simulate a user's waist or hips; and (b) moving said members away from each other using actuating members and moving them back to their initial position so as to simulate the expansion and contraction of a user's waist as he/she moves; the garment does not slip down more than 15 cm from its initial position during at least ten expansion/contraction cycles of the test apparatus and for at least 30 seconds.Type: GrantFiled: February 16, 2009Date of Patent: November 9, 2010Assignee: SCA Hygiene Products ABInventor: Lucas Bäck
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Publication number: 20100262112Abstract: A hygienic article having side panels extending outward in a lateral direction from either of said front or back waist region. Each side panel comprises at least two material segments which are connected to each other by a lap seam wherein said material segments define a distal segment and a proximal segment in the lateral direction. On the distal edge of each side panel a fastening member is placed which is capable of securing said side panels to the front or back waist region such that the hygienic article assumes a pant like shape. The material segments which form the side panels are attached to each other by the lap seam in such a way that when the side panels are folded back towards the longitudinal centreline of the hygienic article, the materials are attached to each other in the lap seam such that the most distal material segment is placed closer towards the inner or outer surface of the hygienic article than the more proximal material segment attached to said most distal segment.Type: ApplicationFiled: November 8, 2007Publication date: October 14, 2010Applicant: SCA Hygiene Products ABInventors: Lucas Bäck, Paulina Halleröd (neé Ljungberg)
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Publication number: 20100234822Abstract: An absorbent article having a waistband which is attached to first and second body portions of the article. The first body portion is attached to the waistband by at least a fastening means wherein the article assumes a pant diaper form. The waistband has a reception surface and a perforation. The perforation allows the reception surface to be separated into first and second belt portions. At least a part of the reception surface is located on each belt portion, thereby allowing the article to assume a belt diaper form. The first belt portion comprises at least one fastening means. The second fastening means is arranged so that the absorbent article can be readily converted from a pant diaper form to a belt diaper form.Type: ApplicationFiled: May 31, 2007Publication date: September 16, 2010Applicant: SCA Hygiene Products ABInventor: Lucas Bäck
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Publication number: 20100217218Abstract: Absorbent garment such as a diaper and an incontinence guard, said garment comprises a first body panel (16), a second body panel (17) and a crotch portion (13) there between. The garment is provided with opposed laterally extending belt members (17) attached to the waist portion of the first body panel (11) and are adapted to be wrapped around the waist of the wearer of the garment and fastened together by means of first fastening means (18). The second body panel (12) at its waist portion is provided with second fastening means (19) adapted to be fastened to the belt members (17), in such a way that the garment will assume a pant-like shape. An elastic member (20) extends in transverse direction (x) along the waist portion (11a) of the first body panel (11) and extends into at least a portion of each belt member (17).Type: ApplicationFiled: June 21, 2006Publication date: August 26, 2010Applicant: SCA HYGIENE PRODUCTS ABInventors: Lucas Bäck, Elisabeth Lakso, Stefan Nedestam, Ingela Flink-Ekwall, Kent Hermansson, Gunnel Elglund
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Patent number: 7722591Abstract: Disposable hygiene pants with a front portion (2), a rear portion (3) and a crotch portion (4) provided with two leg openings (5, 6), the longitudinal edge portions (21, 22) of the front portion being connected by longitudinal weld seams (7, 8) to the longitudinal edge portions (31, 32) of the rear portion (3) in order to form a waist opening (9) and the two leg openings (5, 6) in the crotch portion, which leg openings are outwardly delimited in the transverse direction by the inner end portions of the weld seams as seen in the longitudinal direction of the hygiene pants. The hygiene pants have an outer elastic cover (10) and have an absorption unit (11). The cover is made of an elastic laminate having an elastic film applied between two nonwoven layers. The weld seams (7, 8) are each reinforced by at least one nonwoven strip (15, 16) containing thermoplastic fibers and have a tensile strength, in a direction transverse to the weld seam, in excess of 5 N/25.Type: GrantFiled: August 30, 2007Date of Patent: May 25, 2010Assignee: SCA Hygiene Products ABInventor: Lucas Bäck
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Patent number: 7713254Abstract: A sanitary, absorbent article includes a hooks and loops type fastener for releasably attaching a first and a second part of the article to each other, wherein the first part is overlapping the second part when the parts are attached to each other, with a hooks member affixed to said first part of the article and a loops member affixed to the second part of the article. Each member has a base portion having a bottom surface affixed to the first or second part of the article and an opposite top surface containing hooks elements and loops elements, respectively. The fastener can include a first end region distal to the overlapping edge of the first part, in which the engagement force between the hooks and loops element of the members is reduced.Type: GrantFiled: June 24, 2002Date of Patent: May 11, 2010Assignee: SCA Hygiene Products ABInventor: Lucas Bäck
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Publication number: 20100049155Abstract: Absorbent garment includes a containment assembly (8) having first and second transverse end edges (8a, 8b). The containment assembly includes a liquid pervious inner coversheet (6) on a wearer facing side, a liquid impervious outer coversheet (7) and an absorbent core (5) positioned between the inner and outer coversheets. The garment further includes at least one waist panel (9, 10) joined to one of the transverse end edges of the containment assembly (8), said waist panel (9, 10) is joined to the containment assembly (8) along a seam (11, 12) in which the wearer facing side of the waist panel faces the inner coversheet (6) of the containment assembly. The garment may be packed and stored folded in transverse direction (x) along said seam (11, 12). The invention also relates to methods for making the garment.Type: ApplicationFiled: October 3, 2006Publication date: February 25, 2010Applicant: SCA HYGIENE PRODUCTS ABInventors: Anders Söderbergh, Stefan Nedestam, Lucas Bäck
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Patent number: 6726670Abstract: A belted absorbent article (10) having an absorbent structure (16) and a pair of opposed belt halves (12, 14) attached to the absorbent structure (16) via a respective joint (50). The joint (50) between each belt half (12, 14) and the absorbent structure (16) is designed such that when each belt half is subjected to a tension force of 35 N acting along the belt half and the direction of applied tension creates an angle (&agr;) to the transverse axis (T) of the absorbent structure, the following minimum average release times (t) of each belt half from the absorbent structure are attained: when &agr;=10°, t>>720 seconds; when &agr;=20°, t>>330 seconds; when &agr;=25°, t>>240 seconds; when &agr;=30°, t>>180 seconds; and when &agr;=40°, t>>75 seconds.Type: GrantFiled: July 12, 2001Date of Patent: April 27, 2004Assignee: SCA Hygiene Products ABInventors: Christian Almberg, Lucas Bäck