Patent · US Active

Pump for dispensing a fluid product

US8746595B2 · kind B2 · utility

2Cited by

4References

11Claims

0Family size

Assignee

APTAR FRANCE SAS · FR

Inventors

Antonio Margheritis · Verbania, IT
Guido Dallara · Lugano, CH
Emanuele Maretto · Guanzate, IT

Key dates

Filing date	Jul 10, 2009
Grant date	Jun 10, 2014
Priority date	—
Expiry date	Aug 2, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B11/1047
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A fluid dispenser pump comprising: a pump body; at least a first piston that slides in leaktight manner in said pump body on each actuation so as to expel a dose of fluid through a dispenser orifice (45) that is provided in a dispenser head (40); a closure member (38), movable between a closed position and an open position, being disposed in said dispenser head (40) upstream from said dispenser orifice (45), said closure member (38) being urged towards its closed position by a resilient element, such as a spring; said closure member (38) in the closed position co-operating in leaktight manner with said dispenser head (40) in at least three distinct sealing zones (381, 382, 383).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.