Device for twisting wires and formed wire for connecting rods

Details Device for twisting wires and formed wire for connecting rods Device for twisting wires and formed wire for connecting rods

B - Operations, Transporting

21

F

140/37

B21F 15/04 (2006.01) E04G 21/12 (2006.01)

Patent

CA 1322146

Abstract The device for twisting wires has a twisted rod with a binding hook, which is set into rotation upon pulling a handle part. The binding hook is pivotable around an axle and is held in the normal position by a stop slider engaging in recesses of the binding hook. When the wire loop around the binding hook is tightened, a catch is lifted up, whereby the stop slider and thus the binding hook are unlocked and pivoted, so that it can slip from the wire loop. Such a device enables a constant, optimum twisting of the wire without the risk of rupture thereof, and it permits automatic release of the binding hook by one and the same pulling movement. The formed wire for connecting steel reinforcement rods has the shape of a single wire loop with one welding spot. Thereby, its manufacture is simplified and material is saved, on the one hand, and a solid connec- tion is guaranteed, on the other hand.

599536

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