Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to cause relative movement between mold and charger
Patent
1987-09-10
1988-06-07
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to cause relative movement between mold and charger
425451, 425589, 425595, B29C 4506, B29C 4507
Patent
active
047493500
ABSTRACT:
An injection molding system for processing thermoplastics and thermosetting plastics has at least one injection unit (1), which is axially movably supported on a support frame and is coupled to positioning means (15) generating the axial movement, and also has at least one turntable (2) supporting a plurality of injection molds (8) disposed in a ring. The turntable is supported on a movable cart (23) such that it is rotatable about a vertical axis (9). The injection unit is provided with axially movably supported rails (19), which have devices for releasable coupling to a mold carrier (28), carrying the particular mold (8), of the turntable (2) and are connected to clamping means (20, 21). The lower part (8a) of the injection molds is durably secured to the mold carrier (28) of the turntable (2), while the upper part (8b) of the mold is connected to the lower part (8a) by means of releasable first closure means (41), and on its injection cylinder the injection unit (1) has its own mold engagement plate (16), with which two releasable closure means (58) for the upper mold part (8b) are associated, these means being operative when the rails (19) are coupled to the mold carrier (28) and the first closure means (41) are released. The positioning means (15) and the clamping means (20, 21) of the injection unit (1) and the aforementioned closure means (41, 58) are coupled to and controlled by a control unit (64).
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