Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Patent
1981-06-29
1983-12-20
Parrish, John A.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
425126R, 425253, 425452, B28B 2190
Patent
active
044214669
ABSTRACT:
An elongated mold box encloses a removable rectangular pallet and has a center portion pivotally supported by a carriage which is supported for vertical movement by a pair of vertical guide posts mounted on a frame. Hydraulic cylinders are connected to move the carriage vertically relative to the frame and pivot the mold box relative to the carriage for tilting the mold box between a vertical concrete filling position and a horizontal position for stripping a molded concrete article from the mold box. The pallet is supported within the mold box by a generally flat tray member which is guided by parallel rails within the mold box and aligned horizontal guide rails on a run-out platform. The mold box also carries a hydraulic cylinder for moving the tray member between a retracted position within the mold box and an extended position on the run-out platform.
REFERENCES:
patent: 3303545 (1967-02-01), Heitzman
patent: 3611518 (1971-10-01), Glass
patent: 3624825 (1971-01-01), Heitzman
patent: 4068996 (1978-01-01), Heitzman
Auto-Cast International, Ltd.
Parrish John A.
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