Heater for superplastic forming of metals

Details Heater for superplastic forming of metals Heater for superplastic forming of metals

1988-09-06

1989-12-26

Spruill, Robert L.

Metal deforming

With temperature modification of tool or of specified...

Cooling

100 93P, 219152, 219243, 425406, B21D 3716, B30B 1534, B29J 508

Patent

active

048889733

ABSTRACT:
A superplastic forming machine having ceramic platens which are oriented to each other with heating elements of each platen arranged at a substantially right angle relationship to the heating elements of the other platen. The heating elements are formed as wires in rectangular sections which overlie each other to permit the increased preferable heating of the areas of greatest heat loss, such as the corners and the periphery of a superplastic metal forming heated platen.

REFERENCES:
patent: 2814101 (1957-11-01), Prough et al.
patent: 3350913 (1967-11-01), Bergholdt et al.
patent: 3461709 (1969-08-01), McMillen
patent: 3754499 (1973-08-01), Heisman et al.
patent: 3999917 (1976-12-01), Knowles
patent: 4208574 (1980-06-01), Schafer
patent: 4352280 (1982-10-01), Ghosh
patent: 4635461 (1987-01-01), Raymond

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