Pile extruder

Details Pile extruder Pile extruder

1975-02-10

1976-11-02

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to form or reshape preform

72138, 264 35, 425114, 425376, 425449, B28B 322

Patent

active

039894312

ABSTRACT:
A pile extruder machine includes a hopper and a head or mandrel assembly extending from a support, into a moulding chamber assembly. Feed augers are provided on each side of the head or mandrel and these feed augers compress concrete from the hopper into the moulding chamber around the head or mandrel thus forming the pile and the compression moves the machine forwardly so that the pile is extruded rearwardly upon a pallet. A die assembly forms links of coil reinforcing around a coil support tube and the die assembly can be adjusted so that both the pitch and diameter of the lengths of coil can be adjusted. These coils are fed into the concrete mass at the base of the hopper and surround longitudinally extending reinforcing wires. They are drawn into the pile as it is formed and thus reinforce the piles circumferentially around the central aperture formed therein thus giving longitudinal and circumferential reinforcing to the finished pile.

REFERENCES:
patent: 1538425 (1925-05-01), Debay
patent: 3375550 (1968-04-01), Klein
patent: 3497579 (1970-02-01), Barron
patent: 3526692 (1970-09-01), Onaka
patent: 3605217 (1971-09-01), Martens et al.
patent: 3877860 (1975-04-01), Putti

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