System for the preparation of ceramic shell molds

Details System for the preparation of ceramic shell molds System for the preparation of ceramic shell molds

1983-11-22

1986-02-11

Godici, Nicholas P.

Metal founding

Means to shape a forming surface

Shell type mold making machine

164516, B22C 1308

Patent

active

045693854

ABSTRACT:
An improved system for the preparation of ceramic shell molds comprises a rotary disk which is mounted for rotating in a substantially horizontal plane. A plurality of wax master mounting bars are pivotally carried by the rotary disk to move around the periphery of the rotary disk. The mounting bars have free ends loaded with the wax masters. The rotary disk is operatively associated with the wax master mounting bars for swinging and rotating the bars on their own axes as the rotary disk rotates continuously. The preferred embodiment comprises a cam of generally twisted undulating cam strips and a roller attached to the base ends of the bars for frictionally engaging the cam face of the cam strip to swing the bars and to rotate them on their own axes. A slurry bath, a drain bath, and a stucco bath are arranged around the exerior side of the periphery of the rotary disk.

REFERENCES:
patent: 1561780 (1925-11-01), Engel
patent: 2278815 (1942-04-01), Winkel
patent: 3278998 (1966-10-01), Tingquist et al.
patent: 3602288 (1971-08-01), Trench et al.
patent: 3796251 (1974-03-01), Jasson et al.

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