Metal deforming – By application of fluent medium – or energy field – Using fixed die
Patent
1979-11-13
1981-12-15
Gilden, Leon
Metal deforming
By application of fluent medium, or energy field
Using fixed die
72272, B21D 2210
Patent
active
043052703
ABSTRACT:
A hydrostatic pressing apparatus comprising a container having a cavity for accommodation of a blank and communicating with a high pressure source, and a die and a plug which seal the cavity on opposite sides and which are installed in movable locks. The apparatus has a power frame formed by two slabs which are arranged on opposite sides of the container at a distance from one another which is slightly greater than the container length. The die is arranged outside the container and bears with its lock against one of the slabs, and the plug lock bears against the other slab, the cavity of the container being of different diameters along its length, the diameter being the largest on the plug side so as to obtain at the plug a force sufficient for causing the power frame to move to press the die against the container during hydrostatic pressing.
REFERENCES:
patent: 2735545 (1956-02-01), Norman
patent: 3380270 (1968-04-01), Sauve
patent: 3466915 (1969-09-01), Boshold
patent: 3531965 (1970-10-01), Nilsson
patent: 3950979 (1976-04-01), Fuchs, Jr.
patent: 4005596 (1977-02-01), Ivanovich et al.
Article "Pressing of Metals with High-Pressure Fluids", Moscow, Metallurgia, Publishing House, 1976.
Article "Deformation of Metals with High-Pressure Liquids", Moscow, Metallurgia, Publishing House, 1976.
Article "Hydraulic Pressing of Shaped Profiles", Moscow, Metallurgia, Publishing House, 1978.
Kokovikhin Evgeny A.
Uralsky Viktor I.
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