Static structures (e.g. – buildings) – Relatively yieldable preformed separator – Separator inserted prior to or during pouring of two...
Patent
1978-08-24
1980-03-04
Friedman, Carl D.
Static structures (e.g., buildings)
Relatively yieldable preformed separator
Separator inserted prior to or during pouring of two...
404 68, E04B 162
Patent
active
041909976
ABSTRACT:
First and second elongate members formed of wear-resistant metal are embedded within the upper portion of the concrete, while the same is in a plastic condition, at a location where a contraction joint is desired. The members are so connected to each other and to the concrete as to be maintained in substantially parallel abutting relationship pending curing of the concrete and contraction-separation of the sections thereof disposed upon opposite sides of the members, and so as to then undergo lateral movement away from each other and remain in edge-protecting confronting relationship to respective ones of the separated concrete sections. Various types of interconnecting means may be employed for maintaining the members in abutting relationship to each other pending curing of the concrete. These include ones which frictionally interconnect the members, which resiliently bias the same toward each other, and/or which bond the members together in a non-permanent manner.
REFERENCES:
patent: 1704812 (1929-03-01), Trevisan
patent: 1880725 (1932-10-01), Bleck
patent: 3068763 (1962-12-01), Harza
patent: 3331176 (1967-07-01), Washam
patent: 3900271 (1975-08-01), Crone
patent: 4128358 (1978-12-01), Compton
Friedman Carl D.
Heard Joseph H.
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