Molding press close and lock system

Details Molding press close and lock system Molding press close and lock system

1988-06-13

1989-05-23

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Mold opening and closing means and segmented female mold

Varying pressure and/or speed closing

100272, 425590, 425593, 4254516, B29C 4564, B30B 110

Patent

active

048325910

ABSTRACT:
A die closing and locking apparatus for use in a die press includes a two-part linkage and cylinder combination wherein one part includes a toggle mechanism and the other part includes an annular hydraulic cylinder. The toggle mechanism operates on the closing portion of the die so as to move it into position rapidly and with the minimum time required. The annular hydraulic cylinder acts upon the die in the closing portion so as to apply the required closing force on the die, via the toggle mechanism, prior to the casting or molding operation.

REFERENCES:
patent: 3452399 (1969-07-01), Blumer
patent: 3597798 (1971-08-01), McDonald
patent: 3609816 (1971-10-01), McDonald
patent: 3892509 (1975-07-01), Ruegg
patent: 4088432 (1978-05-01), Farrell
patent: 4341511 (1982-07-01), Laurent et al.
patent: 4345890 (1982-08-01), Hemmi et al.
patent: 4685876 (1987-08-01), Loscei

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