Dispenser device with valve piston pump
US4236651A · kind A · utility
39Cited by
12References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1979 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Aug 17, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dispenser device comprising a reservoir for a flowable or fluent filled material as well as a piston pump equipped with a valve arrangement. The valve arrangement is coaxially dispositioned with regard to the pump and possesses parts connected with the piston and parts connected with the cylinder of the piston pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.