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).

  • Publication number: 20200022850
    Abstract: An array of disposable pant-type gender-specific absorbent articles adapted for female and male users is described. The array has a first subarray of absorbent articles including a first size absorbent article adapted for female users and a second size absorbent article adapted for female users. The second size is larger than the first size. The array also has a second subarray of absorbent articles including a third size absorbent article for male users and a fourth size absorbent article adapted for male users. The fourth size is larger than the third size. An array of packages of the array of disposable pant-type gender-specific absorbent articles is also described.
    Type: Application
    Filed: March 28, 2017
    Publication date: January 23, 2020
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Lucas Bäck, Katarina Eriksson, Anna Klinte Olsson
  • Patent number: 10531993
    Abstract: A pant type disposable absorbent article including a front body panel, a back body panel positioned at a distance from said front body panel, and an absorbent member; the absorbent article having a longitudinal central axis X-X and a transverse central axis Y-Y; the front body panel being substantially rectangular, and having a waist edge, two side edges, and an inward edge including a crotch edge and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, the front body panel being at least partially elasticized, the back body panel having a waist edge, two side edges, a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, wherein a distance from the crotch edge to the waist edge is greater than the length of the side edges.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: January 14, 2020
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventor: Lucas Bäck
  • Publication number: 20190374390
    Abstract: An absorbent article having a longitudinal direction, a transverse direction and a thickness direction and comprising a topsheet, a backsheet and an absorbent core is disclosed. The article has, in the longitudinal direction, a front portion, a back portion, and a crotch portion located between the front and rear portions. The front and back portions define a waist edge and a leg edge, and the crotch portion defines two crotch edges. A first elastic element extends along the waist edge, a second elastic element extends along the leg edge and a third and a fourth elastic element each extend along one of the crotch edges. The topsheet or the bottomsheet or another sheet is folded along the waist edge, leg edge and crotch edges so as to enclose at least a part of each corresponding elastic element.
    Type: Application
    Filed: November 23, 2016
    Publication date: December 12, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Anna Klinte Olsson, Stina Lindlöf, Lucas Bäck, Katarina Eriksson
  • Patent number: 10485708
    Abstract: A disposable pant-type absorbent article comprises an absorbent insert, wherein a region of the front or back section is made of a laminated elastic web material. A first adhesive material for securing sheets of web material of the laminated web material to each other is applied to a location adjacent an opposite lateral side of the front or back section, while leaving a first gap in the central area of the absorbent article free from the first adhesive. A second adhesive material for securing the elastic threads to the sheets of laminated web material is applied in the region from a location adjacent a first lateral side of the front or back section to a location adjacent an opposite lateral side of the front or back section, while leaving a second gap in the central area of the absorbent article free from the second adhesive material.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: November 26, 2019
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventor: Lucas Bäck
  • Publication number: 20190314216
    Abstract: The disclosure relates to a disposable pant-type absorbent article, such as a pant diaper, a sanitary pant or incontinence pant, for an adult user. The absorbent article has a longitudinal direction (Y) and a transverse direction (X). The absorbent article includes a front body panel having a first at least partly elastic region extending along leg edges of the front body panel, and a second at least partly elastic region located next to the first elastic region. A back body panel has a third elastic region extending at least partly over the buttocks-covering section of the back body panel. Each of the elastic regions is elasticised by means of a plurality of elastic threads arranged substantially in the transverse direction across a major portion of the front or back body panel. A side edge of the third elastic region overlaps in the longitudinal direction both a side edge of the first at least partly elastic region and part of a side edge of the second at least partly elastic region at the side seams.
    Type: Application
    Filed: November 30, 2016
    Publication date: October 17, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventor: Lucas Bäck
  • Publication number: 20190314223
    Abstract: An array of products comprising three or more different sizes of disposable pant-type absorbent articles is provided, wherein each of first and second and third disposable pant-type absorbent articles comprises a chassis with a front portion and a back portion, and an absorbent body attached to the chassis, and a length direction and a width direction, wherein the size of the front and rear portion of the first disposable pant-type absorbent articles is smaller than the size of the front and rear portion of the second disposable pant-type absorbent articles, wherein the size of the front and rear portion of the third disposable pant-type absorbent articles is larger than the size of the front and rear portion of the second disposable pant-type absorbent articles, and wherein each of the front and back portions has a waist edge, a pair of leg edges and a pair of side edges and wherein a distance, in the length direction, between the leg edge of the front portion and the leg edge of the back portion, is common
    Type: Application
    Filed: November 23, 2016
    Publication date: October 17, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventor: Lucas Bäck
  • Publication number: 20190314215
    Abstract: An array of gender-specific disposable absorbent articles is disclosed. The array comprises: a first disposable absorbent article adapted to be worn by males and a second disposable article adapted to be worn by females. Both articles have in their longitudinal direction, a front portion, a back portion and a crotch portion between the front portion and the back portion. The first article has a first elastic component configured for providing fit and comfort to a male user. The second article has a second elastic component configured for providing fit and comfort to a female user. The first and the second elastic components each comprise a plurality of elastic elements extending at least partly along each respective article. The first and second elastic components differ from each other in at least the positioning or the elastic strength of the respective elastic elements. A method for manufacturing the array is also disclosed.
    Type: Application
    Filed: November 23, 2016
    Publication date: October 17, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Anna Klinte Olsson, Lucas Bäck
  • Publication number: 20190262189
    Abstract: A disposable pant-type absorbent article comprises an absorbent insert, wherein a region of the front or back section is made of a laminated elastic web material. A first adhesive material for securing sheets of web material of the laminated web material to each other is applied to a location adjacent an opposite lateral side of the front or back section, while leaving a first gap in the central area of the absorbent article free from the first adhesive. A second adhesive material for securing the elastic threads to the sheets of laminated web material is applied in the region from a location adjacent a first lateral side of the front or back section to a location adjacent an opposite lateral side of the front or back section, while leaving a second gap in the central area of the absorbent article free from the second adhesive material.
    Type: Application
    Filed: December 5, 2016
    Publication date: August 29, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventor: Lucas BÄCK
  • Patent number: 10258515
    Abstract: An absorbent pant article in the form of boxer shorts includes a garment shell including a front body panel, a back body panel and a crotch panel made of elastic web material. The pant also includes an absorbent core, side seams connecting the front body panel to the back body panel, a pair of leg openings and hanging legs. The leg openings are located in the crotch panel and do not extend into the front and back body panels, and side seams extend into the crotch panel. The width of the crotch panel in a relaxed condition of the elastic web material, as measured between the side seams of the article, is at least 7% larger than the width of any of the front and back body panels in a relaxed condition of the respective elastic web material.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: April 16, 2019
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventors: Lucas Bäck, Tony Karlsson, Lennart Nilsson
  • Patent number: 10226389
    Abstract: A pant type disposable absorbent product comprising a front body panel, a back body panel positioned at a distance from said front body panel, and an absorbent member, said absorbent product having a longitudinal central axis X-X and a transverse central axis Y-Y; said front body panel being substantially rectangular, and having a waist edge, two side edges, and an inward edge comprising a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, said front body panel being at least partially elasticized, said back body panel having a waist edge, two side edges, a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, wherein a distance from the crotch edge to the waist edge is greater than the length of the side edges.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 12, 2019
    Assignee: ESSITY HYGIENE AND HEALTH AB
    Inventor: Lucas Bäck
  • Publication number: 20180303681
    Abstract: A disposable pant-type absorbent article adapted for a male user. The disposable pant-type absorbent article includes a chassis having a front section and a back section, an absorbent core, a front region configured for receiving the genitals of a male user, in which the front section at least partly is made of an elastic material comprising at least one elastic element. The absorbent core within a front region, under the influence of side elastic elements and elastic web material is adapted to bulge outwardly during use of the article to form a bowl shaped portion for receiving the genitals of a male user.
    Type: Application
    Filed: September 29, 2015
    Publication date: October 25, 2018
    Applicant: SCA Hygiene Products AB
    Inventor: Lucas BÄCK
  • Publication number: 20180271715
    Abstract: A pant type disposable absorbent article including a front body panel, a back body panel positioned at a distance from said front body panel, and an absorbent member; the absorbent article having a longitudinal central axis X-X and a transverse central axis Y-Y; the front body panel being substantially rectangular, and having a waist edge, two side edges, and an inward edge including a crotch edge and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, the front body panel being at least partially elasticized, the back body panel having a waist edge, two side edges, a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, wherein a distance from the crotch edge to the waist edge is greater than the length of the side edges.
    Type: Application
    Filed: December 19, 2014
    Publication date: September 27, 2018
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventor: Lucas BÄCK
  • Publication number: 20180256410
    Abstract: A method for producing a chassis web which may be further converted into a disposable pant article and a pant article is disclosed. The method includes feeding a continuous base web in a machine direction; attaching a continuous elastic waistband component to the base web in an attachment area; severing the base web and the attached elastic waistband component by cutting; shifting positions of the first panel web and the second panel web in a cross machine direction, thereby bringing the first and the second panel webs into an arrangement with first and second cut edges facing away from each other in the cross machine direction; directly or indirectly connecting the first side edge of the first panel web with the second side edge of the second panel web thereby forming a coherent chassis web.
    Type: Application
    Filed: September 9, 2015
    Publication date: September 13, 2018
    Applicant: SCA Hygiene Products AB
    Inventors: Lucas Bäck, Karin Ljungberg
  • Publication number: 20180250171
    Abstract: A method for producing a chassis web for a disposable pant article, the method including feeding a first continuous base web in a machine direction; attaching a continuous elastic waistband component to the first base web in an attachment area extending in the machine direction; attaching a second continuous base web to the first continuous base web and the continuous waistband component, covering at least the continuous waistband component, thereby forming a compound base web having first and second side edges, the attachment area being spaced apart from at least one of the first and second side edges of the compound base web; severing the compound base web and the attached waistband component by cutting; shifting positions of the first panel web and the second panel web in a cross machine direction; forming a coherent chassis web.
    Type: Application
    Filed: September 9, 2015
    Publication date: September 6, 2018
    Applicant: SCA Hygiene Products AB
    Inventors: Lucas Bäck, Karin Ljungberg
  • Publication number: 20180200121
    Abstract: A disposable pant-type absorbent article includes a chassis and an absorbent body. The chassis has a front portion and a back portion and each of the front and back portions has a waist edge, a pair of leg edges and a pair of side edges. The front and back portions are joined to each other at opposite side edges to at least partly define a waist-opening and a pair of leg-openings. The absorbent body is located mainly in a crotch portion of the article. An elastic leg feature is fastened to the chassis at least partly along leg edges. The elastic leg feature extends from the associated side edge towards a centre line in the longitudinal direction of the article. The disclosure also relates to a corresponding method of manufacturing a pant-type absorbent article, as well as an array of gender-specific, disposable, absorbent articles.
    Type: Application
    Filed: September 9, 2015
    Publication date: July 19, 2018
    Applicant: SCA Hygiene Peoducts AB
    Inventors: Katarina ERIKSSON, Lucas BÄCK, Ann KLINTE OLSSON
  • Patent number: 9956124
    Abstract: A pant-type absorbent article includes a front and a back portion, longitudinally extending side seams and a connecting portion between the front and back portions. The connecting portion forms a crotch region and leg openings. Part of the front portion, back portion, and the connecting portion is made of an elastic laminate extending transversely across the front, back and connecting portions. Elongated leg elastic members extend along the leg openings in at least part of the connecting portion and terminate at a distance from the respective side seam thus leaving an area corresponding to a peripheral length of at least 50 mm along the respective leg opening where the leg elastic members are absent and wherein the connecting portion in the area where the leg elastic members are absent is made of the elastic laminate in at least 90% of the peripheral length.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: May 1, 2018
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Lucas Bäck, Stina Lindlöf, Lennart Nilsson
  • Publication number: 20180008480
    Abstract: A pant type disposable absorbent product comprising a front body panel, a back body panel positioned at a distance from said front body panel, and an absorbent member; said absorbent product having a longitudinal central axis X-X and a transverse central axis Y-Y; said front body panel being substantially rectangular, and having a waist edge, two side edges, and an inward edge comprising a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, said front body panel being at least partially elasticized, said back body panel having a waist edge, two side edges, a crotch edge, and leg opening edges on each side of the crotch edge, between the crotch edge and each side edge, wherein a distance from the crotch edge to the waist edge is greater than the length of the side edges.
    Type: Application
    Filed: December 19, 2014
    Publication date: January 11, 2018
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventor: Lucas BÄCK
  • Publication number: 20170216105
    Abstract: A pant-type absorbent article includes a front and a back portion, longitudinally extending side seams and a connecting portion between the front and back portions. The connecting portion forms a crotch region and leg openings. Part of the front portion, back portion, and the connecting portion is made of an elastic laminate extending transversely across the front, back and connecting portions. Elongated leg elastic members extend along the leg openings in at least part of the connecting portion and terminate at a distance from the respective side seam thus leaving an area corresponding to a peripheral length of at least 50 mm along the respective leg opening where the leg elastic members are absent and wherein the connecting portion in the area where the leg elastic members are absent is made of the elastic laminate in at least 90% of the peripheral length.
    Type: Application
    Filed: October 29, 2014
    Publication date: August 3, 2017
    Applicant: SCA Hygiene Products AB
    Inventors: Lucas BÄCK, Stina LINDLÖF, Lennart NILSSON
  • Patent number: 9381120
    Abstract: A method for producing an elasticated chassis web for use as a continuous and coherent layer in a disposable garment, including attaching continuous elastic elements (10,11) to a continuous base web (1) along regularly undulating wave-shaped curves (12,13) and cutting out pieces (21) in crotch segments (4) of the continuous base web (1) in order to remove selected parts of the elastic elements (10,11) from the base web (1). A disposable garment made from the elasticated chassis web includes a chassis layer (56) having a hole (69) in a garment crotch portion (43).
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: July 5, 2016
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Lucas Bäck, Lennart Nilsson
  • Patent number: 9301551
    Abstract: A pant—includes front part, a back part and a crotch part, a waist portion and a pair of leg openings. The pant further includes a suspending member formed of elastic material and comprising zones of different elasticity. A first elastic zone having a relatively higher elongation is provided in a longitudinally extending central region of the crotch part, and a pair of second elastic zones having a relatively lower elongation extend along both sides of the first elastic zone at or close to the leg openings in the crotch part. The first and second elastic zones extend to the front part with the second elastic zones extending along both sides of the first zone.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 5, 2016
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Lucas Bäck, Joshua Carney, Kent Vartiainen, Kresten Karlsen