Dispenser for pasty compositions
US4413759A · kind A · utility
26Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 6, 1981 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | Nov 6, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/763
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a dispenser for pasty compositions having a bellows on the top, a piston which travels in the direction towards the nozzle, and a rod which connects the bellows to the piston in such a manner that there is an idle stroke between piston rod and bellows so that a certain quantity of the content of the container withdraws into the nozzle channel upon release of the bellows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.