Multilayer extruded seal and method for manufacturing such seal
US8119046B2 · kind B2 · utility
0Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2008 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An extruded multilayer seal member having an expanded temperature range and an improved compression set resistance wherein the seal member comprises a first fluoroelastomer as the inner layer of the multilayer seal member and a second elastomer as the outer layer of the multilayer seal member; and a method for manufacturing the multilayer seal member which comprises extruding a multilayer tubular structure, crosslinking the extruded multilayer tubular structure on a mandrel, cutting the multilayer tubular structure to provide a plurality of uniform seal members and recovering the seal members, are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.