Method of securing a rock bolt

Details Method of securing a rock bolt Method of securing a rock bolt

E - Fixed Constructions

21

D

61/46

E21D 20/02 (2006.01) E21D 20/00 (2006.01) E21D 21/00 (2006.01)

Patent

CA 1064715

Inventor: GUSTAV SIGFRID ANDERSON Title: METHOD OF SECURING A ROCK BOLT Abstract: When securing a rock bolt in a drilled hole in the rock the bolt having a conical end, is inserted to the desired depth in the hole. A gun, charged with a sleeve, is applied on the outer end of the rock bolt, and the bolt is centered in the gun barrel. The sleeve is shot into the hole at a high speed to be wedged in the gap between the conical end of the bolt and the wall of the hole. - 1 -

284606

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