Closing device for manufacturing articles of thermoplastic mater

Details Closing device for manufacturing articles of thermoplastic mater Closing device for manufacturing articles of thermoplastic mater

1988-07-07

1989-11-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to close or lock blow mold

425589, B29C 4956

Patent

active

048788287

ABSTRACT:
A closing device for molds for the manufacture of articles of thermoplastic material. Two die plates are linearly displaceable on guide beams and movable by means of a power drive in opposite directions relative to each other. The device includes a frame with at least one tension rod, a compression rod and two yokes connecting the ends of the rod. The rods extend parallel to and the yokes extend transversely of the direction of displacement of the die plates. One yoke has a cantilever arm with which it acts directly on one of the die plates. The other yoke is connected with the second die plate with the intermediate arrangement of the power drive. The frame with the power drive is suspended in a housing which is fixed with respect to space. The housing supports the guide beams which are independent of the frame. The yokes of the frame act at least at the die plates and/or at the power drive arranged between a yoke and a die plate through support elements whose axial planes are located on the line of application of the closing force between the two die plates.

REFERENCES:
patent: 4248582 (1981-02-01), Martin, Jr.
patent: 4606717 (1986-08-01), Polak et al.

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