Compact die closing unit for injection molding machines

Details Compact die closing unit for injection molding machines Compact die closing unit for injection molding machines

1977-07-14

1978-08-08

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425190, 4254501, 4254512, 4254519, 425444, 425589, 425556, 425595, 425590, 249 68, B29F 100

Patent

active

041053850

ABSTRACT:
A compact die closing unit for injection molding machines with four pull-type hydraulic linear actuators and an oversize multi-plate injection molding whose stationary die plates engage the piston rods with centering bores, thereby extending the piston rod support in the die separation plane, and whose movable die plates similarly engage the piston rods with centering bores, so as to be carried by the piston rods directly, without the need for a movable die carrier plate and a stationary cantilever frame supporting the latter. The hydraulic supply lines for the power piston bypass control valve are arranged in the auxiliary cylinders.

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