Fugitive pattern for casting

Metal founding – Process – Shaping a forming surface

Reexamination Certificate

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C524S274000

Reexamination Certificate

active

11260648

ABSTRACT:
A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in making the shell molds.

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