B - Operations – Transporting – 28 – C
Patent
B - Operations, Transporting
28
C
259/43.2
B28C 7/04 (2006.01) B01F 15/02 (2006.01) B29B 7/24 (2006.01)
Patent
CA 1289132
ABSTRACT 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.
540740
Fetherstonhaugh & Co.
Pointon Ronald H.
W&a Bates Limited
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