Cold box process for producing mold parts

Details Cold box process for producing mold parts Cold box process for producing mold parts

1984-11-23

1987-05-12

Godici, Nicholas P.

Metal founding

Process

Shaping a forming surface

164228, B22C 122, B22C 912

Patent

active

046641718

ABSTRACT:
Mold parts are produced in accordance with a cold box procedure with passing a gaseous catalyst during curing, wherein for improvement of the application characteristics before/during curing, a gradient of properties within the mold part is caused such that the resistance of the surface layer of the mold part is increased relative to the resistance of the interior of the mold part.

REFERENCES:
patent: 2619702 (1952-12-01), Blackburn et al.
patent: 2887741 (1959-05-01), Sabel
patent: 3550673 (1970-12-01), Gallagher et al.
patent: 4051886 (1977-10-01), Ross
patent: 4068703 (1978-01-01), Dunlop

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