Reinforcing-bar engagement device

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 37/00 (2006.01) E04B 2/02 (2006.01) E04C 5/12 (2006.01)

Patent

CA 2631508

A reinforcing-bar engagement device that can be easily engaged with a position relatively far from an end of a reinforcing bar and exhibits strong engagement force relative to the reinforcing bar. The reinforcing bar (10) has a body member (11) having a through-hole (11a) in which the reinforcing bar is insertable and also has a pair of fitting members (12) fitted between the reinforcing bar inserted in the through-hole (11a) and the inner peripheral surface of the through-hole (11a). The inner peripheral surface (11b) of the through-hole (11a) is of a funnel shape whose diameter is reduced in the direction of the axis (C). A female screw-thread section (12a) with which the reinforcing bar engages is formed on the inner peripheral surface of the fitting member (12). The outer peripheral surface (12b) of the fitting member (12) is a conical surface that is in surface contact with the inner peripheral surface (11b) of the body member (11). On the outer periphery of the body member (11) are provided a substantially circular tube-like insertion section (11c) and a flange section (11d) having a larger diameter than the insertion section (11c). The fitting member (12) has a slit (12c) in the direction of the axis (C) of the through-hole (11a).

L'invention concerne un dispositif d'implantation de barre d'armature, dispositif pouvant être facilement implanté en une position relativement éloignée d'une extrémité d'une barre d'armature et présentant une force d'implantation élevée par rapport à la barre d'armature. La barre d'armature (10) a un organe de type corps (11) ayant un trou traversant (11a) dans lequel la barre d'armature peut être insérée et a aussi une paire d'organes de fixation (12) installés entre la barre d'armature insérée dans le trou traversant (11a) et la surface périphérique intérieure du trou traversant (11a). La surface périphérique intérieure (11b) du trou traversant (11a) est en forme d'entonnoir dont le diamètre va en se réduisant dans la direction de l'axe (C). Une section à filet intérieur (12a) avec laquelle la barre d'armature entre en contact est formée sur la surface périphérique intérieure de l'organe de fixation (12). La surface périphérique extérieure (12b) de l'organe de fixation (12) est une surface conique qui est en contact de surface avec la surface périphérique intérieure (11b) de l'organe de type corps (11). Sur la périphérie extérieure de l'organe de type corps (11) se trouvent une section d'insertion similaire à un tube sensiblement circulaire (11c) et une section de bride (11d) ayant un diamètre supérieur à celui de la section d'insertion (11c). L'organe de fixation (12) a une fente (12c) dans la direction de l'axe (C) du trou traversant (11a).

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