Resin coated sand and casting molds prepared therefrom

Details Resin coated sand and casting molds prepared therefrom Resin coated sand and casting molds prepared therefrom

1981-08-25

1983-04-26

Silverberg, Sam

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

428404, 164526, 164527, B22C 122

Patent

active

043813542

ABSTRACT:
The invention relates to improvements of RCS and casting molds therefrom. The improvement resides that the resinous coating contains halogen-containing compound(s) which accelerate(s) carburizing of the resin during under heat subjected to the molten metal pouring step. Further, the resin coating comprises certain amount of pulverized metal capable of reacting under heat with separated halogen or halogen compound during the casting step and for avoiding ferrous element(s) in the castings and/or the mold(s).

REFERENCES:
patent: 3138836 (1964-06-01), Amala
patent: 3184814 (1965-05-01), Brown

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