Apparatus for molding a concrete pipe

Details Apparatus for molding a concrete pipe Apparatus for molding a concrete pipe

1981-05-08

1982-11-23

Derrington, James H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

425147, 425148, B28B 2124

Patent

active

043603319

ABSTRACT:
An apparatus for molding a concrete pipe in which a belt conveyor runs parallel to the axis of a molding flask and is adapted to longitudinally move in the molding flask within the range between both ends of the molding flask. The belt conveyor is subjected to intermittent longitudinal movement at a fixed traveling distance in response to a prescribed degree of compactedness of concrete attained in each position where the belt conveyor stops.

REFERENCES:
patent: 3649727 (1972-03-01), Gauger
patent: 3706516 (1972-12-01), Kisteneich
patent: 3788916 (1974-01-01), Gadelius
patent: 3891368 (1975-06-01), Hart
patent: 4038001 (1977-07-01), Stinnes

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