Expendable die casting sand core

Details Expendable die casting sand core Expendable die casting sand core

1983-10-03

1988-08-30

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164113, 164138, 164369, 164527, 427134, 523139, 523148, B22C 300, B22C 122, B22C 910

Patent

active

047669438

ABSTRACT:
Sand cores containing an acid curable binding agent are used in the production of die castings having undercut regions because of the favorable combination of shakeout properties, resistance to washout, and resistance to surface penetration.

REFERENCES:
patent: 3401735 (1968-09-01), Pursall
patent: 3639654 (1972-02-01), Robins
patent: 3879339 (1975-04-01), Richard
patent: 3922245 (1975-11-01), Skubon et al.
patent: 4001468 (1977-01-01), Skubon et al.
patent: 4096293 (1978-06-01), Skubon et al.
patent: 4127157 (1978-11-01), Gardikes et al.
patent: 4194915 (1980-03-01), Perkins

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