Cavity forming press

Details Cavity forming press Cavity forming press

1987-06-15

1988-08-23

Jones, David

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72 57, 72 60, 294211, 425389, 425DIG19, B21D 2210

Patent

active

047651660

ABSTRACT:
A press for shaping a sheet metal blank in a cavity with a forming tool which determines the shape of the finished product. The sheet is pressed against the tool by a diaphragm which is influenced by a pressure medium on the side facing away from the cavity. The forming tool consists of an inexpensive casting material supported in a cup-shaped container. The space between the bottom and sides of the container and the bottom and sides of the cavity is filled with an elastic material.

REFERENCES:
patent: 669279 (1901-03-01), Harrington
patent: 2298223 (1942-10-01), Miller
patent: 2348921 (1944-05-01), Davlecka
patent: 3167043 (1965-01-01), Furth
patent: 3177689 (1965-04-01), Christian et al.
patent: 3463035 (1969-08-01), Bright
patent: 3545241 (1970-12-01), Grankonski et al.
"The Quintus Sheet Metal Forming Programme", pamphlet AQ-103E (edition 2) published 1983 by Aseq AB.

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