B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/23
B28B 3/02 (2006.01) B28B 3/20 (2006.01) B28B 3/24 (2006.01) E01C 19/48 (2006.01)
Patent
CA 1325510
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).
566692
Edgetec Group Pty. Ltd.
Macrae & Co.
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