Dispensing apparatus and method

Details Dispensing apparatus and method Dispensing apparatus and method

1981-03-19

1983-09-20

Burr, Edgar S.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401176, 604222, 128 92G, B43K 506

Patent

active

044052499

ABSTRACT:
A syringe, primarily for use with rapid hard setting viscous flowable material, has one or more passages in the piston whereby gas but not the viscous flowable material can escape to the rear of the piston.

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patent: 3658056 (1972-04-01), Huggler et al.
patent: 3674181 (1972-07-01), Marks et al.
patent: 3905521 (1975-09-01), Mead et al.
patent: 3993061 (1976-11-01), O'Leary
patent: 4266557 (1981-05-01), Merry

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