Pressure feeder including pusher assemblies

Details Pressure feeder including pusher assemblies Pressure feeder including pusher assemblies

1977-11-25

1979-09-11

Spar, Robert J.

Dispensing

With discharge assistant

Plural

222280, 222404, G01F 1100

Patent

active

041672372

ABSTRACT:
A pressure feeder for feeding solid or semi-solid material plastic in nature from a container into or through a relatively narrow outlet, comprising a container for the material with an outlet at the bottom thereof, a hollow cylindrical pusher member oval-shaped in cross-section and having a gear along the inner periphery thereof, a driven pinion gear mounted on the container and inserted in the pusher member, and a holder fixedly mounted on the container so as to hold the pusher member between it and the pinion gear. The pusher member carries out repeatedly a linear movement followed by a turn about the pinion gear.

REFERENCES:
patent: 2157192 (1939-05-01), Thurlings
patent: 3615044 (1971-10-01), Bonneric
patent: 4084263 (1978-04-01), Millauer
patent: 4113819 (1978-09-01), Hayashi et al.

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