Patent · US Expired

Fiber reinforced rubber gasket material

US4423109A · kind A · utility

16Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 1981
Grant dateDec 27, 1983
Priority date
Expiry dateOct 2, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2344
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An improved fiber reinforced material for use in the manufacture of gaskets is produced by impregnating a nonwoven fabric with an aqueous dispersion of a rubber and filler. The water is then evaporated out of the impregnated fabric. The final product is formed by curing the rubber under heat and pressure.

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