E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
72/118, 24/9
E04C 5/12 (2006.01) F16G 11/04 (2006.01)
Patent
CA 2035463
ABSTRACT Monsieur Alain CHAIZE "Locking device for elongated reinforcement under tension" The locking device comprises a support plate (3) perforated by at least one flared opening (4), into which there penetrates a wedge (5) of complementary shape which is crossed axially by the reinforcement (2) with which it comes to engage by means of an internal toothing (12). The wedge (5) is intended to be driven by force into the opening (4) by an initial pressure and then by the tension of the reinforcement (2), and comprises on at least a part of its external surface an anti-return toothing (13) which is intended to come to engage with the wall (7) of the opening (4) of the support plate (3) when this wedge (5) has been driven into said opening (4). This toothing (13) has, in the direction of the length of the wedge (5), toothed zones (13a) alternated with recessed untoothed zones (13b). Used in particular for locking an elongated reinforcement under tension, such as a tension rod, strand, cable or similar, in particular in a work made of prestressed concrete. See Figure 1.
Chaize Alain
Fetherstonhaugh & Co.
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