Patent · US Expired

Dustproof fabric worn in a clean room

US6040254A · kind A · utility

0Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1998
Grant dateMar 21, 2000
Priority date
Expiry dateOct 8, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/40
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A dust-proof fabric is disclosed. The fabric comprises an inner knit fabric layer, an intermediate layer of a moisture absorbent polyurethane film and a high density woven polyester fabric outer layer. The outer layer contains a first set of spaced apart conductive yarns aligned with one another in the warp direction and a second set of spaced apart conductive yarns aligned in the weft direction.

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