Concrete block molding machine

Details Concrete block molding machine Concrete block molding machine

1987-10-29

1989-01-03

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With factory structure feature

425182, 425186, 425195, 425451, B28B 1500

Patent

active

047953349

ABSTRACT:
A concrete block molding machine including: a gate-type frame constituting the body of the apparatus; a rail frame extending to right and left from the gate-type frame and; a pair of presses slidably mounted on the rail frame and adapted to move along the rail frame by the action of hydraulic cylinders in such a manner that when one of the presses is on a molding machine held by the gate-type frame, the other press is stationed at a position where a pressing member and a molding box of a changeable mold assembly are changed; and resilient clampers by which the molding box placed on the molding machine is attached to a vertically movable table device. In such an arranged construction, the mold changing operation can be carried out in a reduced time and complicated and laborious work is eliminated.

REFERENCES:
patent: 3141193 (1964-07-01), Slemmons
patent: 4472127 (1984-09-01), Cyriax et al.
patent: 4555228 (1985-11-01), Nishiike et al.

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