Non-vented liquid product dispenser
US7780045B2 · kind B2 · utility
17Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Jan 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1053
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a device which is used for the non-vented dispensing of liquid products from a container including a mobile base, an exhaust conduit and a push element which co-operates with a piston and a return spring. The invention is characterized in that the device includes a sealing and dosing bush bearing a sealing needle valve which can move in translation in a discharge channel in the bush, the needle valve being connected by means of a drive link to an axial guide rod which can slide in the exhaust conduit of the container that is connected to the channel by pressing on the bush and compressing the spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.