Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...
Patent
1979-08-27
1981-02-10
Pavelko, Thomas P.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to apply stress to preform and uniting in stressed...
264228, 264308, 425 88, 425218, B28B 2314
Patent
active
042498716
ABSTRACT:
A characteristic feature of the present invention is the fact that the pipe producing plant has a horizontal platform rotatable round a vertical axis, on which a mould with conduit formers for pipe making is located. The base of the plant mounts a mechanism for feeding, tensioning of the reinforcement wire and wounding it onto a moulded pipe, and bench carrying a mechanism for filling the mould with concrete mix, a mechanism for smoothing the pipe end face and a mechanism for placing a protective cement mortar cover upon the reinforcing wire wound onto the moulded pipe. The plant incorporates also a mechanical actuator for alternatively raising and lowering the conduit formers, said actuator being mounted on a rigid base outside the rotary platform.
REFERENCES:
patent: 1597220 (1926-08-01), Tuerck
patent: 2966715 (1961-01-01), Vianni
patent: 3281910 (1966-11-01), Robinson
Buyanov Alexei V.
Dyachenko Petr Y.
Ivanov Jury S.
Karakovsky Alexandr K.
Khaimov Arkady S.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Pavelko Thomas P.
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