Cartridge assembly
US4453651A · kind A · utility
20Cited by
10References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 30, 1981 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | Dec 30, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C17/015
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cartridge assembly for a fluent substance dispenser includes a cartridge having an elongate chamber containing a fluent substance to be dispensed and a piston mounted at one end of the chamber for movement along the chamber. The other end of the chamber is provided with an outlet for the fluent substance, and a valve member is mounted inside the cartridge over the inside of the outlet and is movable away from a closed position to an open position by a member, in the form of a nozzle, pressed against the valve member from outside the cartridge. In use the cartridge assembly is housed in a dispenser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.