Dispenser for paste material

Details Dispenser for paste material Dispenser for paste material

1986-12-22

1988-10-04

Skaggs, H. Grant

Dispensing

With discharge assistant

Container with follower

222153, 222405, B67D 542

Patent

active

047750804

ABSTRACT:
There is provided a dispenser for paste material, such as tooth paste, having a movable piston disposed in the dispenser casing below the paste material adapted to move in the direction of the nozzle opening and prevented from moving in the opposite direction by a first locking mechanism, and a push button for the displacement of an upper pressure cover which is disposed inside the dispenser casing above the material and which is coupled with the piston through a rod which penetrates and is force locked with the piston by means of a second locking mechanism working opposite to the first locking mechanism. A guide piece is provided which is connected with the rod and the pressure cover and extends above the pressure cover, passing through a guide opening in the casing top surmounting the pressure cover. The guide piece is connected to the push button mounted in the casing top.

REFERENCES:
patent: 3255935 (1966-06-01), Spatz
patent: 4413759 (1983-11-01), Mettenbrink
patent: 4421255 (1983-12-01), Czech
patent: 4511068 (1985-04-01), Bossina
patent: 4598843 (1986-07-01), Foster et al.

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