Pressure supply unit

Details Pressure supply unit Pressure supply unit

1991-06-03

1993-06-01

Kashnikow, Andres

Dispensing

Gas or vapor dispensing

With cutter or punch

222399, 239309, 239337, B65D 8300

Patent

active

052152170

ABSTRACT:
A pressure supply unit to supply pressure to a dispensing can, the unit being attached to a gas bulb containing gas under a predetermined pressure. The unit has a chamber pressurized to the desired can pressure, and one wall of the chamber is a diaphragm connected to a needle valve for regulating gas flow from the bulb. A reduction of can pressure causes the diaphragm to move the needle to release gas from the bulb.

REFERENCES:
patent: 2220645 (1940-11-01), Girerd
patent: 2873051 (1959-02-01), Hamburg et al.
patent: 3127059 (1964-03-01), Lawrence, Jr. et al.
patent: 3352456 (1967-11-01), Swineford
patent: 3459331 (1969-08-01), Hogg
patent: 3563423 (1971-02-01), Wilson
patent: 4177828 (1979-12-01), Vache
patent: 4456155 (1984-06-01), Miyata et al.
patent: 4632276 (1986-12-01), Makino

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