Pump for delivering a fluid product
US7954674B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2007 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Oct 29, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1023
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pump comprising a tubular body delimiting internally a metering chamber and comprising an inlet orifice, an inlet valve, a stem mounted so as to be able to move inside the body and comprising an actuation tube delimiting an outlet duct, an insert assembled to the actuation tube and comprising a base placed inside the metering chamber and facing the inlet orifice, and a discharge orifice, an annular piston mounted so as to slide inside the body and on the stem, the piston and the base comprising annular surfaces suitable for forming a discharge valve, a ball-and-socket joint being arranged between the insert and the actuation tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.