Weldless stirrup spacer

Details Weldless stirrup spacer Weldless stirrup spacer

E - Fixed Constructions

04

C

E04C 5/18 (2006.01)

Patent

CA 2456801

A weldless stirrup spacer for manual installation, without a tool, on the concentric or parallel inner and outer reinforcement wire cages of reinforced concrete pipe or other concrete structures so as to position and maintain. the cages at the required spaced- apart location. The spacer is formed as a unitary resilient wire member having a pigtail-shaped hook end at one end of a central spanning portion and a fastening end portion at the other end of the spanning portion. When installed, the pigtail-shaped hook end encircles a main reinforcement wire of the inner reinforcement cage, and the fastening end portion resiliently captures an opposed main reinforcement wire of the outer reinforcement cage. The fastening end portion includes a rounded loop portion which extends beyond the outer cage to contact the adjacent mold wall and space the outer reinforcement cage at the. appropriate concrete-cover distance from the mold surface. The rounded loop portion also functions as a handgrip for the tool- less hand installation of the weldless stirrup spacer on the reinforcement wires.

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