Die closing unit with retractable tie rods

Details Die closing unit with retractable tie rods Die closing unit with retractable tie rods

1975-12-15

1977-05-24

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

425242R, 4254501, 425DIG223, B29F 100, B29C 302

Patent

active

040252647

ABSTRACT:
A die closing unit for an injection molding machine, where the closing force is provided by either push-type or pull-type hydraulic cylinders, the die closing unit having in each case a movable die carrier member and a stationary die carrier member and two or four tie rods rigidly connected to one member, while guidingly engaging the other, the tie rods being releasable at their connections and retractable for the emplacement of an injection molding of enlarged contour.

REFERENCES:
patent: 3433290 (1969-03-01), Eggenberger et al.
patent: 3465387 (1969-09-01), Allard et al.
patent: 3669599 (1972-06-01), Snider et al.
patent: 3729283 (1973-04-01), Eggenberger et al.
patent: 3801256 (1974-04-01), Farrell
patent: 3882588 (1975-05-01), McFalls et al.

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