Compressed gas powered caulking gun

Dispensing – With discharge assistant – With container handle or handgrip

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Details

222 80, 222389, 222396, 137115, 137119, B65D 8854, B67D 542

Patent

active

044416296

ABSTRACT:
Pressure reducing and safety discharge valve device adapted for use with compressed gas-containing capsules. The valve has a bore therein in which a spool-shaped valve element is disposed for axial reciprocation. In a first terminal position of the valve element the valve element connects a conduit means leading from a gas-containing capsule discharging gas under moderate pressure to a gas-discharge port of the valve. When the pressure of the gas discharged from the capsule increases to a predetermined value, the valve element moves against the opposition of a spring to cut off further discharge of gas from the capsule; when the pressure of the gas discharged from the capsule increases substantially beyond such predetermined value, the valve element moves still further against the opposition of the spring to discharge such gas through a relief port to the atmosphere.

REFERENCES:
patent: 3285469 (1966-11-01), Perisse
patent: 3570523 (1973-03-01), Pauliukonis
patent: 3768472 (1973-10-01), Hodosh et al.
patent: 3856041 (1974-12-01), Cryder et al.
patent: 3908688 (1975-09-01), Gandrud
patent: 3980209 (1976-09-01), Collar
patent: 4113151 (1978-09-01), Brown et al.

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