Apparatus for erecting arcuate walls of concrete or the like

Details Apparatus for erecting arcuate walls of concrete or the like Apparatus for erecting arcuate walls of concrete or the like

1984-09-11

1986-10-28

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

249 17, 249 20, 249 48, 249153, 249179, 249189, 264 32, 403 87, 403 93, 403 97, B28B 704, B28B 730

Patent

active

046194339

ABSTRACT:
Apparatus for erection of arcuate walls of poured concrete has one or more deformable sheathings secured to turnable supports which are movably secured to one another by composite girders having alternating rigid variable-length links and fixed-length connectors which are affixed to the supports. The angular positions of the supports are changed by changing the length of the links. Locking devices are provided to hold the links against angular movement relative to the neighboring connectors when the sheathing assumes the desired shape. The locking devices can constitute separable components or they may be permanently mounted on and/or integrated into the links and/or connectors.

REFERENCES:
patent: 2524894 (1950-10-01), Dobrin
patent: 3487689 (1970-01-01), Weiss et al.
patent: 3922481 (1975-11-01), Lewis
patent: 4361057 (1982-11-01), Kochera
patent: 4363561 (1982-12-01), Hsieh

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