Hollow post cylindrical sprue casting method

Details Hollow post cylindrical sprue casting method Hollow post cylindrical sprue casting method

1990-03-07

1991-09-03

Seidel, Richard K.

Metal founding

Process

Shaping a forming surface

164 45, B22C 702, B22C 904

Patent

active

050444190

ABSTRACT:
A method of forming a hollow cylindrical tube from wax such that a taper exists from one end to the other resulting in different wall thicknesses at either end of the tube, mounting said tube in a vertical position onto a semi-flexible base such that the end of the tube with the greatest wall thickness is in contact with the base, and attaching individual jewelry patterns onto the outside surface of the tube prior to encapsulation by an investment, which is one of the steps in the lost wax casting process of jewelry manufacture.

REFERENCES:
patent: 3186041 (1965-01-01), Horton
patent: 3648760 (1972-03-01), Cooper
Preci-Roto, Versatile System . . . , Nov. 1981.

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