Drip free caulking gun

Details Drip free caulking gun Drip free caulking gun

1983-05-02

1986-02-25

Rolla, Joseph J.

Dispensing

With discharge assistant

Container with follower

188 67, 403104, 403329, 222327, B67D 542

Patent

active

045724091

ABSTRACT:
A no drip caulking gun which includes a rigid open barrel. The caulking cartridge is inserted in the barrel. A rod is coaxially movable with the barrel. At the end of the rod a plunger is mounted. The forward motion of the plunger against the cartridge forces the caulking compound out of the cartridge, when the forward motion is stopped the built up pressure in the cartridge kicks the rod backwardly.

REFERENCES:
patent: 1194991 (1916-08-01), Gervais
patent: 1758129 (1930-05-01), Shapiro
patent: 4009804 (1977-03-01), Costa et al.
patent: 4356938 (1982-11-01), Kayser

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