Loop fastening material for fastening device and method of making same

  • US 5,032,122 A
  • Filed: 05/17/1989
  • Issued: 07/16/1991
  • Est. Priority Date: 04/24/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. A disposable absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet associated with said topsheet, an absorbent core positioned between said topsheet and said backsheet, and a fastening device positioned on the disposable absorbent article. said fastening device comprising a loop fastening material capable of engaging a complementary hook fastening material,said hook fastening material comprising a base and a plurality of engaging elements extending from said base,said loop fastening material comprising a backing of orientable material having a dimensionally unstable state, a dimensionally stable state, and a path of response along which said material has been contracted from the unstable state to the stable state;

  • anda multiplicity of fibrous elements extending from said backing, said fibrous elements comprising filaments that were positioned on said backing and secured to the surface of said backing while said orientable material was in its unstable state, said filaments being secured to said backing at spaced, fixed regions along the length of each of said filaments to define between each pair of fixed regions an unsecured catching region, wherein said fibrous elements comprise those filaments which have been shirred when said orientable material was contracted to its stable state.

View all claims

    Thank you for your feedback