Cartridge and piston for dispensing mass

Details Cartridge and piston for dispensing mass Cartridge and piston for dispensing mass

1994-10-07

1995-08-22

Shaver, Kevin P.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222137, 222327, 222386, 2223865, B65D 8132, B65D 8376

Patent

active

054431816

ABSTRACT:
A cartridge for use in an extension tool is arranged to receive one or more foil bags containing a single component or a multi-component mass and is formed of a cylinder (3) defining one or more receiving chambers (13) open at the opposite ends thereof. An axially displaceable piston (5) has opposite end faces (5b, 5c) extending across the cylinder (3) and each end face is symmetrical about its axis. The end faces of the piston can be used alternately for dispensing the mass out of the one or more foil bags.

REFERENCES:
patent: 1263590 (1918-04-01), Morrow
patent: 1265533 (1918-05-01), Searle
patent: 2587683 (1952-03-01), Barry
patent: 2958445 (1960-11-01), Jesse
patent: 3323682 (1967-06-01), Creighton, Jr. et al.
patent: 4236516 (1980-12-01), Nilson
patent: 4711373 (1987-12-01), Christine
patent: 4981241 (1991-01-01), Keller
patent: 5137177 (1992-08-01), Willis
patent: 5184757 (1993-02-01), Giannuzzi

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