Device for delivering a substance, the device including a pump comprising a stationary portion and a movable portion
US8365961B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2010 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Feb 24, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1067
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for delivering a substance, the device including a first stationary portion and a second movable portion that is movable relative to the first portion between a rest position and an activated position, the device further including an abutment for putting the movable portion into abutment relative to the stationary portion, which abutment needs to be forced past in order to enable the movable portion to go from its rest position to its activated position, the abutment carried by the movable portion and an abutment carried by the stationary portion, at least one of these abutments being mounted on a resilient portion of the stationary portion and/or of the movable portion, the resilient portion being deformable between an abutment configuration and a retraction configuration and having a reinforcement for reinforcing the resilient portion, namely a part that bears against a zone of the resilient portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.