Bar positioning member and its forming apparatus

Details Bar positioning member and its forming apparatus Bar positioning member and its forming apparatus

1978-10-25

1982-03-09

Perham, Alfred C.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Spacer-positioner; e.g., rebar chair

52664, 52684, E04C 518

Patent

active

043182623

ABSTRACT:
A bar-positioning member comprising a long metal wire or wire rod with at least one indentation to receive a metal bar intersectingly disposed relative to the wire. The indentation is formed by bending part of the wire and it has only one opening which opens along the longitudinal direction of the wire. The indentation has a bottom shaped approximately in conformity with the circumference of the bar.
An apparatus for making a bar positioning member, as above described, comprising a pendulumlike mold member swingable about the base end thereof. The mold member has a grip to hold an intermediate portion of the wire, and the contour of the base end is shaped in conformity with the shape of the indentation.

REFERENCES:
patent: 824595 (1906-06-01), Scofield
patent: 1024260 (1912-04-01), Hickman
patent: 1155411 (1915-10-01), Flannery
patent: 1561323 (1925-11-01), Gregg
patent: 2271592 (1942-02-01), Hilpert

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