Fastening element assembly

Details Fastening element assembly Fastening element assembly

F - Mech Eng,Light,Heat,Weapons

16

B

85/28

F16B 13/08 (2006.01)

Patent

CA 1109704

ABSTRACT OF THE DISCLOSURE A fastening element assembly for insertion into a prepared borehole is made up of a tie bolt and an expanding wedge. The tie bolt has a C-shaped flange formed on its trailing end which projects radially and circumferentially from the tie bolt. The projecting ends of the flange form a guide for the expanding wedge as the wedge is driven into a borehole in converting the assembly from its unspread condition into locked engagement within the borehole. Preferably, the cir- cumferential surface of the tie bolt and the expanding wedge each form part of a circle . In the unspread condition, the circumferential surfaces of the parts of the tie bolt and ex- panding wedge disposed in surface contact with one another, form a circle.

330397

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