Die stem heating

Details Die stem heating Die stem heating

1976-06-24

1977-10-04

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72271, 72 41, 72342, 72DIG12, B21D 2210

Patent

active

040517055

ABSTRACT:
A high pressure apparatus for reducing metal rod to wire in one pass through a die by surrounding the rod with a medium under high hydrostatic pressure to maintain ductility of the metal to be formed; the die is supported against a frame member by a die stem having a central opening through which the wire passes to a winding reel. To prevent clogging of the die stem with pressure medium that passes through the die in small quantities, the die stem is heated to a temperature substantially above the softening temperature of the pressure medium.

REFERENCES:
patent: 2225424 (1940-12-01), Schwarzkopf
patent: 3060302 (1962-10-01), Maccaferri
patent: 3161756 (1964-12-01), Haverkamp et al.
patent: 3731509 (1973-05-01), Fuchs, Jr.
patent: 3740985 (1973-06-01), Fuchs, Jr.

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