Large diameter thermoplastic seal
US9702462B2 · kind B2 · utility
3Cited by
93References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2013 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Dec 2, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/215
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal ring includes a weld and a thermoplastic material. The thermoplastic material has a weld elongation-at-break of at least 3%. The thermoplastic material can have a glass transition temperature of at least 100° C. The thermoplastic material with the weld can have a weld elongation-at-break of at least 3%. The seal ring can have a circumference of at least 0.62 meters. The seal ring can have a coefficient of friction of not greater than 0.45.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.