Press of pressure cell type

Details Press of pressure cell type Press of pressure cell type

1986-04-16

1987-06-30

Spruill, Robert L.

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72 60, 72 54, 29421R, 425DIG19, 425389, B21D 2212

Patent

active

046760865

ABSTRACT:
A press of pressure cell type comprises a press stand with two opposing force-absorbing elements between which a space is formed. In this space there is located a plate with a recess in which an elastic diaphragm is arranged. The diaphragm forms, together with the plate, a pressure cell. Elongated side supports for the diaphragm are provided at the sides of the said space. A tray insertable into the space forms, together with the plate and the diaphragm, a closed press space. The pressure cell is connected to a pressure medium source. Each side support is formed with an elongated recess, in which there is arranged an expansible membr of elastic material. Each expansible member forms a side support for a press tool located in the tray.

REFERENCES:
patent: 3120205 (1964-02-01), Pfeiffer et al.
patent: 3545241 (1970-12-01), Grankonski et al.
patent: 3875778 (1975-04-01), Hellgren
patent: 3938361 (1976-02-01), Claesson
patent: 3949583 (1976-04-01), Syvakari
patent: 4315425 (1982-02-01), Zbornik et al.
patent: 4573335 (1986-03-01), Persson

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