Reinforced concrete appliance

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair

Patent

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Details

52712, E04C 518

Patent

active

040055604

ABSTRACT:
An appliance for holding concrete reinforcing rods either in relation to each other or spaced relative to a mold surface while the plastic concrete is being poured and hardens. The appliance consists of a wire or rod having a portion helically preformed to have a pitch and internal diameter so that it can be wrapped around the reinforcing rod without exceeding it's elastic limit to tightly grip the rod and a laterally-extending portion which may either engage the surface or be helically preformed to be wrapped around another rod.

REFERENCES:
patent: 1121639 (1914-12-01), Lampert
patent: 1841720 (1932-01-01), Emieholz
patent: 2959632 (1960-11-01), Peterson
patent: 2965701 (1960-12-01), Kitselman
patent: 3133985 (1964-05-01), Nordstrom

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