Feed device for a continuous feed mixer

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United States of America Patent

PATENT NO 4907891
SERIAL NO

07266286

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Abstract

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A feed device (11) for a continuous mixer (12) for rubber and plastics materials. The feed device comprises a hopper (14) having a reciprocable plunger (16) located in the hopper to force material into the inlet passageway (15) of the continuous mixer. The plunger (16) is rotatable during its retraction and has an archimedian screw portion (17) that feeds material into the inlet (15) during the retraction movement of the plunger.

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Patent Owner(s)

Patent OwnerAddress
GOODYEAR TIRE & RUBBER COMPANY THE A CORPORATION OF OHIOAKRON OH 44316

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pointon, Ronald H Formby, GB 3 110

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