Assembly for dispensing doses of a substance of a liquid or past

Details Assembly for dispensing doses of a substance of a liquid or past Assembly for dispensing doses of a substance of a liquid or past

1985-01-24

1987-05-12

Skaggs, H. Grant

Dispensing

With discharge assistant

Insertable cartridge or removable container

222 80, 222340, 222378, 222386, B65D 8572

Patent

active

046642994

ABSTRACT:
A dispenser comprises a container having a movable wall in the form of a plunger and an opposite fixed wall opening into a dispensing nozzle. Dispensing is actuated by a fixed dispenser mechanism having an operating rod with a pusher plate. The pusher plate is biased in the retraction direction by a spring, and a bayonet coupling is provided for holding a base portion of the container in relation to a socket of the dispenser mechanism.

REFERENCES:
patent: 1638456 (1927-08-01), Pike
patent: 2646906 (1953-07-01), Jones et al.
patent: 2768768 (1956-10-01), Cornell et al.
patent: 3484023 (1969-12-01), Meshberg
patent: 3815791 (1974-06-01), Clark
patent: 4090639 (1978-05-01), Campbell et al.
patent: 4185628 (1980-01-01), Kopfer
patent: 4323177 (1982-04-01), Nielsen
patent: 4331267 (1982-05-01), Duncan et al.
patent: 4339058 (1982-07-01), Wendt
patent: 4373646 (1983-02-01), MacEwen

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