Refrigerant charging tool

Details Refrigerant charging tool Refrigerant charging tool

1985-07-08

1989-08-01

Rolla, Joseph J.

Dispensing

With cutter and/or punch

To form dispensing opening in container

222 89, 30363, 30448, B67B 724

Patent

active

048527696

ABSTRACT:
A refrigerant charging tool for use with conventional size freon cans, the tool being a hand-held implement adapted to nest about a can in a socket with extending lever arms normally spaced apart and adapted by squeezing to be biased toward one another to cause a piercing element to pierce the can and wherein the piercing element includes a valve to control flow from the can.

REFERENCES:
patent: 2008807 (1935-07-01), Williams
patent: 3147887 (1964-09-01), Brooks
patent: 3303968 (1967-02-01), Compere
patent: 3370752 (1968-02-01), Abler
patent: 3661169 (1972-05-01), Mullins
patent: 3920037 (1975-11-01), Hoff et al.
patent: 4112944 (1978-09-01), Williams
patent: 4128918 (1978-12-01), Wenk
patent: 4204559 (1980-05-01), Walner
patent: 4281775 (1981-08-01), Turner
patent: 4316622 (1982-02-01), Nelson

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