Method of forming refractory coated foundry core

Details Method of forming refractory coated foundry core Method of forming refractory coated foundry core

1995-12-18

1998-05-12

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164138, 427134, B22C 300, B22C 910

Patent

active

057494096

ABSTRACT:
Refractory coated gelatin-bonded foundry sand core made by waterproofing the surface of the core and immersing the waterproofed core in an aqueous refractory suspension to deposit the refractory.

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patent: 4873114 (1989-10-01), Harris
patent: 4934440 (1990-06-01), Sakakibara et al.
patent: 5320157 (1994-06-01), Siak et al.

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