A rock bolt

Details A rock bolt A rock bolt

E - Fixed Constructions

21

D

E21D 21/00 (2006.01)

Patent

CA 2293518

A rock bolt (30) which includes a shank (24), at least one longitudinally extending slot (18) in the shank, an expanding anchor mechanism (32) at one end of the shank, a washer (34) at an opposed end of the shank, and a nut (36) which is engaged with thread (38) formed at least at the said opposed end of the shank.

Boulon d'ancrage (30) comportant une tige (24), au moins une fente (18) s'étendant dans le sens de la longueur de la tige, un mécanisme d'ancrage (32) s'évasant à une extrémité de la tige, une rondelle (34) à une extrémité opposée de la tige et un écrou (36) passé dans des filets (38) situés au moins à ladite extrémité opposée de la tige.

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