Patent · US Expired

Nondiaphanous nonwoven fabric

US5049438A · kind A · utility

1Cited by
5References
4Claims
0Family size

Inventor

Key dates

Filing dateApr 2, 1990
Grant dateSep 17, 1991
Priority date
Expiry dateApr 2, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/671
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A kind of highly nondiaphanous nonowoven laminate consists of a inner black nontransparent lamina of non-thermoplastic long staple fibers and two outer laminae of thermoplastic fiber. It is processed through heating, press and bonding of the three laminae of fiber web together. Therefore, it possesses the properties of high nondiaphaneity, wrinkle resistance, good appearance and touch to hands and is very suitable for uses as screens, cover cloth and other non-transparent piece-goods.

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