Device for dispensing a liquid or a paste in a finely divided ma

Details Device for dispensing a liquid or a paste in a finely divided ma Device for dispensing a liquid or a paste in a finely divided ma

1981-03-03

1982-10-26

Rolla, Joseph J.

Dispensing

With cutter and/or punch

2223865, 222389, B67D 554

Patent

active

043557368

ABSTRACT:
A device for dispensing a liquid or a paste in a finely divided manner as an aerosol comprises a tubular rigid container with valve means allowing the ejection of the liquid or the paste in the container through an outlet. The container has two inner chambers, one of which contains a gas under pressure, whereas the other contains the liquid or paste to be dispensed, the chambers being separated from each other by a sliding element which is tightly in contact with the inner wall of the container. The sliding element consists of a deep cup, the open part of which is directed towards the chamber containing the compressed gas and which is provided at its free edge, with a guiding element and, on its periphery, with at least one sealing peripheral projection and with a peripheral boss or flange acting as a scraper for removing the bruises or dents in the inner wall of the tubular container.

REFERENCES:
patent: 3273762 (1966-09-01), O'Neill
patent: 3381863 (1968-05-01), Towns
patent: 3915352 (1975-10-01), Scheindel

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