Seal member
US8614273B2 · kind B2 · utility
4Cited by
18References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 28, 2009 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | May 20, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/011
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70° C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.