Process and apparatus for continuously prestressing concrete pro

Plastic and nonmetallic article shaping or treating: processes – Forming stressed concrete articles

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Details

254 29A, 425111, B28B 2160

Patent

active

041861698

ABSTRACT:
A method and apparatus of prestressing reinforcing tendons in concrete products manufactured in separable moulds in a production line wherein the tendons are prestressed in a first product mould, a product is moulded in the first mould, a subsequent mould is then placed in series with the first mould, the reinforcing tendons are then prestressed between a point at the head of the production line and a previously moulded product.

REFERENCES:
patent: 2607099 (1952-08-01), Schroder
patent: 2745164 (1956-05-01), Ros
patent: 3903222 (1975-09-01), Brown

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