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
Patent
1986-03-13
1987-10-06
Nozick, Bernard
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
425193, 425451, 425589, 100918, A01J 2100
Patent
active
046980075
ABSTRACT:
A horizontal mold closing unit for an injection molding machine includes a mold exchanging device, and injection mold assembly having a mold body and back plates attached face-to-face to the mold body at each clamping side thereof. The back plates have an extended portion projecting beyond a frontal side of the mold body. There is further provided a mold exchanging table forming part of the mold exchanging device and being arranged for displacement adjacent the mold closing unit in a direction parallel to a mold closing direction, and an endless conveyor chain arranged to convey the injection mold assembly, by cooperating with coupling elements in the back plates, from the mold exchanging table to the clamping space of the mold closing unit and conversely. The endless conveyor chain has a chain driving end sprocket and an idling end sprocket mounted on the mold exchanging table and supporting the conveyor chain thereon. The conveyor chain is arranged symmetrically at either side of a vertical symmetry plane belonging to the mold exchanging table and extending parallel to the mold closing direction. The coupling elements are transverse grooves provided in at least one of the back plates in at least the extended portion thereof. The transverse grooves extend transversely to a main plane of the back plate.
REFERENCES:
patent: 4462783 (1984-07-01), Hehl
patent: 4472127 (1984-09-01), Cyriax et al.
patent: 4500274 (1985-02-01), Cyriax et al.
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