Apparatus for the injection molding of a metal alloy: sub-ring concept

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United States of America Patent

PATENT NO 5680894
SERIAL NO

08735526

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Abstract

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The present invention reveals an improvement in an apparatus for injection molding a metallic material having dendritic properties. In the improvement, a sub-ring is placed under a piston ring on a sliding seal ring of a non-return valve assembly. The sub-ring seals the pressure and metal flow in the apparatus, virtually eliminates piston ring leakage and extends the usable life of the non-return valve assembly.

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Patent Owner(s)

Patent OwnerAddress
THIXOMAT INC620 TECHNOLOGY DRIVE ANN ARBOR MI 48108

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kilbert, Robert K Racine, WI 2 40

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