Process for investment casting and casting grain for use in the process

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United States of America Patent

PATENT NO 9708691
SERIAL NO

13036288

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Abstract

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In an Ag, Cu, Ge alloy containing boron as grain refiner, investment castings of a clean bright silvery appearance and/or free from cracking defects are obtained by incorporation of silicon, in some embodiments in the absence of added zinc.

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Patent Owner(s)

Patent OwnerAddress
ARGENTIUM INTERNATIONAL LIMITEDMEADWAY HASLEMERE SURREY GU27 1NN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johns, Peter Gamon Hertfordshire, GB 13 50

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