Ring seal and retainer assembly
US6708985B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jun 28, 2002 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Jun 28, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L19/0218
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The ring seal and retainer assembly includes an annularly shaped ring seal defining a radial inner surface, a radial outer surface, first and second axial end surfaces and a central bore for fluid or gas passage. A retainer is provided for affixing and positioning a ring seal in a sealing assembly. The retainer includes a circular sidewall sized and positioned to engage and cover the ring seal's radial outer surface. The retainer further includes a means for affixing the circular sidewall to the ring seal. In a first embodiment, the retainer includes an inwardly projecting ridge for projecting into a groove formed on the ring seal's radial outer surface. In an additional embodiment, the retainer includes a plurality of ridge segments which project into the ring seal's groove. In still an additional embodiment, the circular sidewall includes upper and lower inwardly projecting edges forming a “C” shaped cross-section. The recess of the “C” is sized and positioned to receive the outer edge of the ring seal to affix the ring seal to the retainer. Also preferably, the retainer includes one or more detents sized and configured to reside within a recess formed in …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.