Distributor for pasty products with a deformable pumping member and a flexible disk expulsion valve connected to the pump actuator by a central bearing link
US4962870A · kind A · utility
10Cited by
10References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1988 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Sep 22, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/028
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A distributor for pasty products having a sliding piston and a distribution head. The distribution head has a tubular, deformable pumping member, an actuator acting on the pumping member and an expelling valve. An upper end of an upper tube of the pumping member forms an annual end edge. The expelling valve has a flexible disk with a periphery kept in engagement with the end edge of the tube by a central bearing member of the disk. The bearing member is connected to the actuator, the flexible disk and the end edge of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.