Dispenser for liquid or pasty materials
US6010036A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Apr 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/767
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention provides a dispenser of substance in liquid or paste form, the dispenser being of the type comprising, in particular, a cylinder (1) of substance surmounted firstly by an endpiece (2) provided with an internal evacuation duct (2a) and fitted, secondly with a substance-taking system provided with an exhaust valve, the dispenser being characterized in that the substance-taking system comprises a piston (3) received in the cylinder (1) and having an axial duct (30) passing therethrough and connected to an outlet tube (4) whose bottom end (4a) cooperates with the axial duct (30) to define an admission orifice (40) and whose top end (4b) is secured to the endpiece (2) forming a pushbutton which bears directly or indirectly on the outside face (3a) of the piston (3) to put the cylinder (1) under pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.