Fluid spray device
US5102052A · kind A · utility
28Cited by
20References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Oct 17, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/2429
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A manually operable spray pump with a double-action pump and a detachable fluid reservoir. A pump cylinder has valves at each end to admit air into one of two pump chambers formed by a piston and means to simultaneously force air from the other chamber down a shaft and out over a fluid discharge port, thereby pulling fluid from the reservoir and spraying it from the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.