Prestressed press frame

Details Prestressed press frame Prestressed press frame

1981-02-27

1982-08-10

Wilhite, Billy J.

Presses

Reciprocating press construction

72455, 425DIG26, B30B 1504

Patent

active

043432360

ABSTRACT:
A press frame, comprising an upper or head plate, a lower or bed plate and a plurality of posts fitted between the head plate and bed plate of the frame, is provided with tension member, e.g. cables or bands, extending around the frame and lying in successive vertical planes spaced apart horizontally along the frame. According to the invention, the cables or bands, which are slung around the head and bed of the frame and have a U-shaped pattern as they pass therearound, are alternately offset horizontally to one side and to the other so that the tension cross sections within the cables or bands in the respective planes are likewise offset alternately from side to side. The tension elements have their ends connected to stressing units alternately on one side and the other of the press and lying in chambers formed in the posts. The units interconnect ends of the outer tension elements in each chamber.

REFERENCES:
patent: 3064558 (1962-11-01), von Platen
patent: 3643592 (1972-02-01), Blaser
patent: 3717024 (1973-02-01), Davison
patent: 3884142 (1975-05-01), Jonsson

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