Investment casting mold and method of manufacture

Metal founding – Process – Shaping a forming surface

Reexamination Certificate

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Details

C164S361000

Reexamination Certificate

active

07048034

ABSTRACT:
The invention relates to a investment casting shell molds and their method of manufacture. The method entails mixing fiber and refractory filler to form a dry blend; mixing the dry blend with a binder sol to form a refractory slurry, and employing the refractory slurry to produce an investment casting shell mold.

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EPO Search Report and Annex.

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