Improvements to the devices for reinforcing concrete in compress

Details Improvements to the devices for reinforcing concrete in compress Improvements to the devices for reinforcing concrete in compress

1992-06-22

1993-12-28

Friedman, Carl D.

Static structures (e.g., buildings)

Opaque stonelike module

Elongated reinforcing

522236, 5222313, 52583, E04C 204

Patent

active

052728510

ABSTRACT:
This is a device for reinforcing a concrete member (1) in compression, comprising at least one bar (3) housed without adhesion in a channel (2) hollowed out in said member. Each of the two ends of the bar is associated with a device adapted to cause it to bear longitudinally on the concrete of the member. One of these two devices, which is associated with at least one (3.sub.1) of the two ends of the bar (3) is a rigid frame (4) housed in a cavity (5) of the member accessible from the outside. The frame is arranged so as to receive in removable manner a thrust generator (7). One side of this frame having the bar end in question passing through it is arranged so as to interact with a unidirectional element (8) serving successively to cause the end to be pushed back by the thrust generator, and then to lock this end with respect to the frame in the direction corresponding to the return of the end into the frame.

REFERENCES:
patent: 2611262 (1952-09-01), Dodson et al.
patent: 2857755 (1958-10-01), Werth
patent: 3015912 (1962-01-01), Fisteidis
patent: 3295286 (1967-01-01), Schaich
patent: 3443347 (1969-05-01), Varnell et al.
patent: 3952468 (1976-04-01), Soum

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