Product dispensing device comprising a pump and a dispensing end piece
US8863993B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2012 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Dec 10, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1052
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The fluid dispenser device is fitted on the neck of a reservoir, and it includes a pump having a metering chamber that is closed by a first needle forming a check valve; a dispenser endpiece fitted on the pump including a second needle, forming a check valve, and a thrust surface to enable the device to be activated by a user pressing thereon; a protective cap for the device; a clamping collar carrying the cap; and a fastener member for fastening the device on the neck of the reservoir, the fastener member including an attachment member for attaching the fastener member around the neck and activatable by sliding the collar relative to the fastener member from a pre-assembly configuration to an assembled configuration, an inner ring for centering the pump on the reservoir and an outer ring retaining member for retaining the dispenser endpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.