Gaskets
US6121360A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Jul 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.