Non-refillable packless valve for pressurized containers
US4921214A · kind A · utility
16Cited by
30References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1989 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Jun 8, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2260/028
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A packless non-refillable valve which incorporates a diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.