Method and device for eliminating compression and distortion of

Details Method and device for eliminating compression and distortion of Method and device for eliminating compression and distortion of

1994-09-29

1997-08-12

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 35, 1641514, 164237, 164376, 249 54, 249 62, B22C 904, A61C 1320

Patent

active

056555920

ABSTRACT:
Compression and distortion on a wax pattern during curing are eliminated by employing a thermochromatic dye which changes color when investment material sets. By monitoring the dye, the set investment material can be removed from the assembly before curing, eliminating compression forces on the wax pattern from the exothermic curing process expanding the investment material against the constraints of the assembly.

REFERENCES:
patent: 5183095 (1993-02-01), Sullivan

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