Injection mold device

Details Injection mold device Injection mold device

1993-06-15

1995-10-10

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

425185, 425190, 425575, 425595, B29C 4510

Patent

active

054565880

ABSTRACT:
An injection mold device comprises a first matrix attached to a movable platen and a second matrix attached to a fixed platen. A multiplicity of first cavity units are attached to the first matrix. A multiplicity of second cavity units are provided for selective removable attachment to the first matrix during a mold-clamping state and to the second matrix during a mold-opening state. A self-holding device is associated with the first matrix for maintaining a clamping force between the first cavity units and the second cavity units during the mold-clamping state. A mold-opening device is associated with the second matrix for removably attaching the second cavity units to the first matrix in the mold-clamping state and for removing the second cavity units from the first matrix in the mold-opening state.

REFERENCES:
patent: 3898030 (1975-08-01), Bishop
patent: 3982869 (1976-09-01), Eggers
patent: 4348165 (1982-09-01), Vostrovsky
patent: 4379685 (1983-04-01), Tada et al.
patent: 4550006 (1985-10-01), Laghi
patent: 4708633 (1987-11-01), Hayashi et al.
patent: 4810181 (1989-03-01), Ozawa

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