Compressed asbestos sheet gasket which swells in presence of liquids
US4728111A · kind A · utility
5Cited by
5References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 10, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Nov 10, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/674
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A sheet gasket comprising a swelling sheet, a non-swelling layer laminated on the swelling sheet, and an adhesive layer coated on the surface of the non-swelling layer. This gasket is adapted to be inserted between flanges having different coefficients of thermal expansion, with the adhesive layer adhered to one of the flanges and the exposed swelling sheet adjacent to the other flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.