Patents by Inventor Lucas Back

Lucas Back 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: 6726670
    Abstract: 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: Grant
    Filed: July 12, 2001
    Date of Patent: April 27, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Christian Almberg, Lucas Bäck
  • Publication number: 20030014033
    Abstract: 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: Application
    Filed: June 24, 2002
    Publication date: January 16, 2003
    Inventor: Lucas Back
  • Publication number: 20020062118
    Abstract: 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).
    Type: Application
    Filed: July 12, 2001
    Publication date: May 23, 2002
    Inventors: Christian Almberg, Lucas Back