Seal ring
US5865443A · kind A · utility
12Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1996 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Jul 31, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/047
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In the manufacture of a seal ring having a cut portion at one position on the circumference by injecting a molten molding material from a gate into a cavity of a forming die, the gate is provided at a position apart from the opposite position to the cut portion of the seal ring. In the case of a seal ring with a weld portion, the weld portion is set away from the cut portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.