Patent · US Expired

Anisotropic nonwoven fibrous web

US5366793A · kind A · utility

101Cited by
41References
21Claims
0Family size

Inventors

Key dates

Filing dateApr 7, 1992
Grant dateNov 22, 1994
Priority date
Expiry dateApr 7, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/68
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is an anisotropic elastomeric nonwoven fibrous web composed of a substantially homogeneous distribution of elastomeric meltblown fibers that are physically aligned along one of the planar dimensions of the web. The anisotropic elastomeric nonwoven web of meltblown fibers has a strength index of at least about 2. Also disclosed is process of making such an anisotropic elastomeric nonwoven web of meltblown fibers as well as a composite elastic material which contains an anisotropic elastomeric nonwoven web of meltblown fibers.

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