METHOD OF PREPARING MOLD CORE MIXTURE Russian patent published in 2001 - IPC

Abstract RU 2167023 C1

FIELD: foundry, particularly, preparation of mixtures for frozen cores. SUBSTANCE: method includes preliminary cooling of sand, application of water to sand grains by condensation of steam from air. For this purpose, sand is cooled below dew point of damp air and transformed with the aid of said air to fluidized state. EFFECT: provision of uniform coating of sand grains with water film, higher strength of frozen cores, prevention of formation of blowholes in castings. 1 ex

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RU 2 167 023 C1

Authors

Gruzman V.M.

Dates

2001-05-20—Published

2000-02-29—Filed