Method of removing formed parts from a die

Details Method of removing formed parts from a die Method of removing formed parts from a die

1980-05-19

1983-05-03

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72342, 72345, 72364, 72427, B21D 2604

Patent

active

043816576

ABSTRACT:
A method is disclosed for removing a part from a die, the part having been produced by clamping a preform between first and second dies and forming at least a portion of the preform into a cavity of the first die. The method comprises the steps of drawing a vacuum from between at least a portion of the formed preform and the second die and separating the second die from the first die such that the part is withdrawn from the cavity of the first die. In a preferred embodiment, wherein the part is clamped abouts its periphery, the method involves the additional steps of providing a channel about at least a portion of the second die aligned with and in communication with the periphery of the preform, and providing sealing members to seal off the channel. The vacuum is then drawn from the channel.

REFERENCES:
patent: 3101021 (1963-08-01), Johnson
patent: 3654796 (1972-04-01), Dunn
patent: 4043168 (1977-08-01), Mazurek
patent: 4181000 (1980-01-01), Hamilton et al.

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