Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1980-02-11
1981-11-24
Faw, Jr., Price C.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52DIG1, 52677, E04C 516
Patent
active
043016383
ABSTRACT:
A spacer element is provided for attachment to a pair of parallel wires of a mesh spaced from a surface of a concrete form or wall and having a projection adapted to maintain the spacing between the wall and the plane of the mesh, the element being of generally hairpin shape and providing a duplicate pair of hooks for hooking over one wire, a duplicate pair of second, S-shaped hooks for hooking over a parallel wire, a duplicate pair of V-shaped projections, and a bight joining the S-shaped hooks and providing a looped lever arm for receiving a tool for forcibly applying the element to the mesh.
REFERENCES:
patent: 918716 (1909-04-01), Wedmore
patent: 1561323 (1925-11-01), Gregg
patent: 1615651 (1927-01-01), Reynolds
patent: 2299490 (1942-10-01), Newman
patent: 3440792 (1969-04-01), Schmidgall
patent: 3471986 (1969-10-01), Swenson
patent: 3521842 (1970-07-01), Opperthauser
patent: 3722164 (1973-03-01), Schmidgall
patent: 4005560 (1977-02-01), Simpson
patent: 4152256 (1979-05-01), Wennberg
Spacers for Reinforced Concrete Pipe, C.M.C., Blue Ridge Rubber Company, 1976 (price list).
Faw Jr. Price C.
Hawkeye of Iowa, Ltd.
Raduazo Henry E.
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