METHOD OF VACUUM SHAPING Russian patent published in 1996 - IPC

Abstract RU 2070471 C1

FIELD: production of castings with smooth pattern surface. SUBSTANCE: to decrease duration of refractory coating drying, before refractory filler loading in flask it is hermetically sealed and gas-shaped catalyst is fed inside it. To ensure pressing of DECORATING film to model, flask vacuum degree is created lower than vacuum degree in model plate. EFFECT: decreased duration of refractory coating drying. 1 dwg, 1 tbl

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RU 2 070 471 C1

Authors

Borisov V.A.

Serebrjakov S.P.

Dates

1996-12-20—Published

1992-03-18—Filed