Concrete moulding apparatus

Details Concrete moulding apparatus Concrete moulding apparatus

1988-05-11

1990-06-26

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

Including mold charging means

264 33, 404 98, B28B 1302

Patent

active

049367633

ABSTRACT:
Concrete moulding apparatus (10) is provided which has a mould (19) through which concrete is extruded from a hopper (17) by the action of a pusher plate (22) reciprocating in the hopper (17) towards and away from the mould entrance (20). The pusher plate (22) is arranged to pivot during reciprocation to cause excess material forced towards the mould entrance (20) to be squeezed upwardly back into the hopper (17).

REFERENCES:
patent: 2932875 (1960-04-01), Butcher
patent: 3733141 (1973-05-01), James, III
patent: 3957405 (1976-05-01), Goughnour
patent: 4310293 (1982-01-01), Eggleton
patent: 4566823 (1986-01-01), May

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