An anchor bolt assembly

E - Fixed Constructions – 21 – D

Patent

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Details

E21D 21/00 (2006.01)

Patent

CA 2363986

An anchor bolt is provided including an elongate anchor element which includes a threaded portion and a ribbed portion. The ribbed portion has an elongate cylindrical core on which a plurality of spaced ribs are provided, at least two adjacent ribs being of different height relative to the core. In certain embodiments, the ribs are curved in a serpentine fashion relative to a peripheral surface of the core. The core is typically a circular cylindrical core and the ribbed portion may include two longitudinal raised portions which extend along the cylindrical core at circumferentially opposed positions. The raised portions define core sections, each core section including a plurality of spaced ribs which alternate in height, adjacent ribs being about 1 mm and 0.6 mm in height. Typically, the ribs have a rounded profile with a radius of curvature of about 0.5 mm.

La présente invention concerne un boulon d'ancrage comprenant un élément d'ancrage allongé présentant une partie filetée et une partie cannelée. La partie cannelée présente un élément central cylindrique allongé sur lequel sont formées une pluralité de cannelures, au moins deux cannelures adjacentes se trouvant à des hauteurs différentes par rapport à l'élément central. Dans certains modes de réalisation, les cannelures sont incurvées en forme de serpentin par rapport à la surface périphérique de l'élément central. L'élément central est en général un élément central cylindrique circulaire et la partie cannelée peut comprendre deux parties longitudinales en saillie qui s'étendent le long de l'élément central cylindrique en étant situées à l'opposé du point de vue circonférentiel. Les parties en saillie définissent des sections d'élément central, chaque section d'élément central comprenant une pluralité de cannelures espacées qui sont alternées en hauteur, les cannelures adjacentes ayant une hauteur d'environ 1 mm et 0,6 mm. En général, les cannelures ont un profil arrondi dont le rayon de courbure vaut environ 0,5 mm.

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