Method for producing foundry moulds and cores as well as product

Details Method for producing foundry moulds and cores as well as product Method for producing foundry moulds and cores as well as product

1974-05-16

1976-03-30

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 16, 164 43, 260 39R, 260 40R, 260DIG40, C08K 336

Patent

active

039474208

ABSTRACT:
A method for producing cores and foundry moulds.
The method is characterized in that foundry sand, a binder, and a low temperature reaction agent are mixed in a controlled atmosphere, and in that the mixture is maintained under these low temperature and controlled atmosphere conditions until it is introduced into the core box, the temperature and atmospheric control are then eliminated and the temperature raised slightly if necessary.

REFERENCES:
patent: 1901324 (1933-03-01), Novotny
patent: 2807556 (1957-09-01), Stark
patent: 2878539 (1959-03-01), Halpern et al.
patent: 2939856 (1960-06-01), Steckler et al.
patent: 3139657 (1964-07-01), Maly
patent: 3428110 (1969-02-01), Walker et al.

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