Means for forming and splitting prestressed concrete elements

Details Means for forming and splitting prestressed concrete elements Means for forming and splitting prestressed concrete elements

1977-06-02

1978-09-19

Husar, Francis S.

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...

249 52, 249121, B28B 2304

Patent

active

041150490

ABSTRACT:
A form for molding building wall panels of a concrete material, wherein the form has a rectangular shallow box shape for receiving and enclosing the material while it hardens, the form having a plurality of elongated inserts extending broadwise therethrough in parallelism and on a horizontal plane to form a break line in the panel, and prestressed tension rods or post tensioned cable means extending through the form to be embedded in the material at at least one side of the break line to cause the panel to split along the break line when the rods are removed after the material has hardened.

REFERENCES:
patent: 449884 (1891-04-01), Moore
patent: 2924962 (1960-02-01), Nettle
patent: 3999913 (1976-12-01), Branitzky
patent: 4023767 (1977-05-01), Fontana

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