Static structures (e.g. – buildings) – Processes – Requiring soil work
Patent
1976-04-21
1978-09-19
Perham, Alfred C.
Static structures (e.g., buildings)
Processes
Requiring soil work
52105, 52722, 52726, 403 27, 403313, E04C 330, E04G 2100, E04H 1216
Patent
active
041143442
ABSTRACT:
An improved clamp and method for forming a rebar joint in a vertical reinforced concrete body. A split-sleeve type clamp with contraction means for firmly closing it around the engaged end portions of a dowel rebar and extension rebar has a location tab struck from a central portion of the sleeve, projecting upwardly and inwardly at an acute angle to engage the upper edge of a dowel rebar onto which the sleeve is driven. The method includes forming a sleeve type clamp with a location tab, driving the same onto the end of a dowel rebar directly to its operative clamping position, inserting an extension rebar in the sleeve, and contracting the sleeve to complete the joint.
REFERENCES:
patent: 1689281 (1928-10-01), Forssell
patent: 1970422 (1934-08-01), Foster
patent: 2850310 (1958-09-01), Combs
patent: 3245189 (1966-04-01), Reiland
patent: 3245190 (1966-04-01), Reiland
patent: 3340664 (1967-09-01), Reiland
patent: 3340667 (1967-09-01), Reiland
patent: 3367084 (1968-02-01), Reiland
patent: 3473285 (1969-10-01), Reiland
Imoco-Gateway Corporation
Perham Alfred C.
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