Press for making castings of powder or granular materials

Details Press for making castings of powder or granular materials Press for making castings of powder or granular materials

1975-05-20

1976-08-03

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Female mold and opposed coaxial dynamic press members

Opposed press members each moving one at a time toward the...

425 78, B30B 1102, B30B 1514

Patent

active

039726703

ABSTRACT:
A press for making castings of powder or granular materials, wherein a ram provided on a press frame, for the movement of a first press tool part, in particular an upper die, as well as a linkage provided on the press frame, for the movement of a second press tool part, in particular a mold, are guided movable in the same direction in relation to a clamping plate provided for the attachment of a third press tool part, in particular a lower die, and the ram is firmly connected to a ram traverse, through which, during an adjustable phase of its approach to the clamping plate, it transmits a movement produced by a driving device, in particular a toggle-lever drive, to a linkage traverse firmly connected to the linkage, the transmission being effected by means of a thrust piece which, in order to make possible a residual stroke of the ram for the purpose of secondary compression of the pressed casting, is deflected laterally when the linkage traverse reaches a predetermined final press position.

REFERENCES:
patent: 1659077 (1928-02-01), Bishop
patent: 1806300 (1931-05-01), Lemming
patent: 2499980 (1950-03-01), Stokes et al.
patent: 3172182 (1965-03-01), Assmann
patent: 3559243 (1971-02-01), Hermes
patent: 3664784 (1972-05-01), Sibley
patent: 3687586 (1972-08-01), Hara et al.

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