Dispenser for pasty compositions

Details Dispenser for pasty compositions Dispenser for pasty compositions

1981-11-06

1983-11-08

Reeves, Robert B.

Dispensing

Resilient wall

With flow controllers or closures

222259, 222260, 222391, B05B 1104, A47K 512

Patent

active

044137591

ABSTRACT:
The present invention relates to a dispenser for pasty compositions having a bellows on the top, a piston which travels in the direction towards the nozzle, and a rod which connects the bellows to the piston in such a manner that there is an idle stroke between piston rod and bellows so that a certain quantity of the content of the container withdraws into the nozzle channel upon release of the bellows.

REFERENCES:
patent: 3088636 (1963-05-01), Spatz
patent: 3361305 (1968-01-01), Spatz
patent: 3768705 (1973-10-01), Spatz
patent: 4154371 (1979-05-01), Kolaczinski et al.

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