Valve with a two-component seal
US7383970B2 · kind B2 · utility
13Cited by
24References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 2005 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Aug 5, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/52
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A valve that includes a valve body, a valve stem having a dispensing passage, and a sealing ring that contacts the valve stem is described. The sealing ring includes a flexible component and a rigid component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.