Patent · US Expired

Gaskets

US6121360A · kind A · utility

6Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1999
Grant dateSep 19, 2000
Priority date
Expiry dateJul 23, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31917
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A gasket comprises a sealing layer formed from a resilient material which comprises particles of chemically-exfoliated vermiculite bonded together. The layer also comprises a hydrolysis-resistant polymer coupled to the vermiculite by a coupling agent. A further gasket comprises a sealing strip wound into a spiral. The sealing strip comprises a resilient layer comprising particles of chemically-exfoliated vermiculite. The sealing strip also comprises a flexible carrier strip to which said resilient layer is bonded.

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