Expansion joints

Details Expansion joints Expansion joints

1987-06-11

1989-05-30

Safavi, Michael

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Separator inserted prior to or during pouring of two...

52109, 52573, 404 52, 404 56, E04B 168, E04F 1514

Patent

active

048338516

ABSTRACT:
An expansion joint comprises a pair of support bases having a rail type shape lack of which is continuous in the longitudinal direction and is fixed to each edge of both members of a building defining an expansion joint gap, a plurality of connecting members for connecting both support bases together so that the gap between the bases is expansible or contractible, and a cover plate of a proper length connected to the connecting members so as to span the expansion joint gap while being disposed atop the upper ends of both support bases which are slideable with respect to the cover plate under expansion and contraction conditions and which are formed with concave portions for accommodating a finish material on the internal surface side, whereby a surface material substantially identical with a surface material of the members of the building adjacent the expansion joint may be disposed within the concave portion for accommodating the finish material of the cover plate so as to integrate its appearance with respect to that of the building members.

REFERENCES:
patent: 2321873 (1943-06-01), Tate
patent: 3183626 (1965-05-01), Schmitt
patent: 3245328 (1966-04-01), Fasslinder
patent: 3344720 (1967-10-01), Hallock
patent: 3371456 (1968-03-01), Balzer et al.
patent: 3390501 (1968-07-01), Driggers
patent: 3648423 (1972-03-01), Cole
patent: 4557082 (1985-12-01), Dunsworth
patent: 4616954 (1986-10-01), Taga

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