Double worm extruder with meshing screws

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United States of America Patent

PATENT NO 5350231
SERIAL NO

08143826

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A double worm extruder has the ribs of its screws of trapezoidal cross section between divergent flanks to minimize wear of the housing surface.

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Patent Owner(s)

Patent OwnerAddress
FRIEDRICH THEYSOHN GMBHD-30853 LANGENHAGEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eigruber, Horst McPherson, KS 6 52

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