Method for preliminary anchoring of a wire rope bolt

Details Method for preliminary anchoring of a wire rope bolt Method for preliminary anchoring of a wire rope bolt

1983-07-21

1986-10-21

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29240, 29235, 29525, 405259, B23P 1904

Patent

active

046177159

ABSTRACT:
The invention relates to a method and mechanism for preliminary anchoring of a wire rope bolt in a bore by means of friction. The object is to eliminate the need to use wooden wedges or to bend the strands of the rope backwards, procedures which are time-consuming. In accordance with the invention, a permanent deformation is produced in the wire rope bolt in such a way that friction force is produced when parts of the bolt press against the wall of the bore. The mechanism may comprise, fitted at a point prior to feeding rolls, a bending roll, which bends the wire rope before it is fed into the bore. The circumference of the feeding roll can be V-shaped, in which case it causes the bent wire rope to rotate and to become helical.

REFERENCES:
patent: 2690693 (1954-10-01), Campbell
patent: 4051940 (1977-10-01), Kuelzer
patent: 4102030 (1978-07-01), King, Jr.
patent: 4250681 (1981-02-01), Helderman

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