Apparatus for filling caulking tubes in a clean manner

Details Apparatus for filling caulking tubes in a clean manner Apparatus for filling caulking tubes in a clean manner

1979-04-25

1981-03-10

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Drip prevention by flow reversing and/or overfill removal

By means reversing direction of flow

141129, 222380, B65B 304

Patent

active

042548063

ABSTRACT:
An apparatus for filling caulking tubes in a clean manner with a liquid viscous composition wherein in the passage tube from which the viscous composition passes into the caulking tube there is attached a suck-back means comprising an air activated piston in a cylinder piston in a cylinder which retracts away from the passage tube when material is not being forced into the caulking tube so as to create a suction effect on the material in the passage tube and prevent it from leaking from the passage tube.

REFERENCES:
patent: 2103817 (1937-12-01), Johnson
patent: 3817300 (1974-06-01), Donnet

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