Patent · US Expired

Fusion bonded non-woven fabric

US3949111A · kind A · utility

28Cited by
8References
4Claims
0Family size

Inventor

Key dates

Filing dateDec 3, 1973
Grant dateApr 6, 1976
Priority date
Expiry dateDec 3, 1993

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24826
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A fabric, a method for its fabrication and an apparatus for its manufacture where a group of parallel yarns are fused with another group of parallel yarns perpendicular to the first group of yarns at predominantly lateral or peripheral portions of the resulting junctions by a high frequency current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.