Apparatus for automatically dispensing flowable material

Details Apparatus for automatically dispensing flowable material Apparatus for automatically dispensing flowable material

1991-03-15

1993-09-28

Hajec, Donald T.

Dispensing

Automatic control

Motor control

222100, 222333, B67D 508, B65D 3528

Patent

active

052480615

ABSTRACT:
An apparatus for automatically dispensing flowable material which automatically ensures a substantially constant and even supply of flowable material from a source of the flowable material to some destination at which the flowable material needed or is used. The flowable material may be any material that can be extruded from a collapsible tube upon the exertion of pressure on the tube and includes liquids or gels. The apparatus comprises a collapsible tube having a nozzle end and a sealed end and containing a flowable material; a tube squeezer; a rotatable drum for pulling the collapsible tube through the tube squeezer as the drum rotates; a motor for rotating the drum; and an electronic feedback mechanism for disengaging the motor so as to maintain pressure of the flowable material within a selected pressure range and the supply of flowable material to a destination is substantially even and constant.

REFERENCES:
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patent: 4955507 (1990-09-01), Kirschner et al.
patent: 4998645 (1991-03-01), Pearson
patent: 5050773 (1991-09-01), Choi

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