Metal deforming – By application of fluent medium – or energy field – By kinetic energy of fluid or field
Patent
1987-06-11
1989-08-15
Jones, David
Metal deforming
By application of fluent medium, or energy field
By kinetic energy of fluid or field
264566, 264570, 219 75, 294211, 419 68, 419 42, B21D 2610
Patent
active
048563110
ABSTRACT:
Apparatus and methods are disclosed for the rapid generation of high hydrostatic pressures and the concurrent delivery of said pressures to a workpiece. The apparatus and methods comprise the rapid thermal expansion and vaporization of a volatile fluid. The volatile fluid is typically liquid argon and heated typically by way of a controllable electric heater, delivered to the workpiece typically by way of a pressure-rupturable membrane. The disclosed apparatus and methods permit the application of high hydrostatic pressures to commercial-scale workpieces, in an economic manner and with reduced cycle times.
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patent: 3760599 (1973-09-01), Bose
patent: 3797294 (1974-03-01), Roth
patent: 4061139 (1977-12-01), Kauffmann
patent: 4619129 (1986-10-01), Petkov et al.
Jones David
Vital Force, Inc.
Wolken, Jr. George
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