Fluid dispenser with tiltable dispensing nozzle and sealing memb

Details Fluid dispenser with tiltable dispensing nozzle and sealing memb Fluid dispenser with tiltable dispensing nozzle and sealing memb

1992-08-03

1993-10-19

Shaver, Kevin P.

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

222386, B67D 542

Patent

active

052537870

ABSTRACT:
A dispenser for a fluid substance, such as toothpaste, includes an elongated tube having an open top and an open bottom with a chamber therebetween for holding the substance. A bottom closure is mounted to the open bottom to close the open bottom. The bottom closure is longitudinally movable in a sealing manner in the open bottom to press against the substance and to move into the chamber as the substance is being dispensed. A flexible membrane sealing closes the open top of the tube. A nozzle extends through the membrane having a longitudinal passageway communicating with the chamber for dispensing the substance when the nozzle is moved to a dispensing orientation. The membrane is made of a stretchable resilient material so that the nozzle may be titled to the dispensing orientation and thereby stretch the membrane and force the membrane into the chamber to reduce the size of the chamber and cause a portion of the substance to flow through the nozzle.

REFERENCES:
patent: 3066833 (1962-12-01), Hershenson
patent: 3788528 (1974-01-01), Ogle
patent: 3870200 (1975-03-01), Spatz
patent: 4154371 (1979-05-01), Kolaczinski
patent: 4474313 (1984-10-01), Sieverding
patent: 4830227 (1989-05-01), Ball et al.
patent: 4836423 (1989-06-01), Hayes et al.
patent: 4949876 (1990-08-01), Schneider
patent: 4962870 (1990-10-01), Schneider
patent: 4991744 (1991-02-01), von Schuckmann
patent: 5104009 (1992-04-01), Battegazzore

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