Aerosol valve with a surfactant impregnated valve seal
US5427282A · kind A · utility
20Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1994 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Jun 17, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/944
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An aerosol valve having a valve ferrule, a valve stem, and at least one valve seal, in which the valve seal is impregnated with a physiologically acceptable surfactant. The valves of the invention exhibit improved force-to-fire and improved return force compared to valves containing untreated valve seals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.