Pump for dispensing a dose of a fluid product and range comprising such pumps
US7954677B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2008 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | May 14, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1074
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Pump for dispensing a dose of a fluid product, comprising a tubular body including an intake orifice; an end member associated with the body and including a rest abutment and an end-of-stroke abutment; a compression member mounted so as to move inside the body between a rest position in which said compression member is in abutment against the rest abutment, and an end-of-stroke position in which said compression member is in abutment against the end-of-stroke abutment, said compression member being elastically returned toward the rest position and including an exhaust orifice; a metering chamber; and an intake valve and an exhaust valve adapted to selectively close off the intake orifice and the exhaust orifice, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.