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

E - Fixed Constructions

04

G

72/70

E04G 11/20 (2006.01) E04G 11/06 (2006.01)

Patent

CA 1235586

APPARATUS FOR ERECTING ARCUATE WALLS OF CONCRETE OR THE LIKE ABSTRACT OF THE DISCLOSURE Apparatus for erection of arcuate walls of poured concrete has one or more deformable sheathings secured to turntable 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.

463153

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