Friction rock stabilizer and a method of isolating the same...

Details Friction rock stabilizer and a method of isolating the same... Friction rock stabilizer and a method of isolating the same...

E - Fixed Constructions

02

D

61/46

E02D 3/00 (2006.01) E21D 21/00 (2006.01)

Patent

CA 1164230

ABSTRACT OF THE DISCLOSURE A method of isolating the outer surface of a friction rock stabilizer, in a closed-end earth structure bore, from the surface of the bore. The method comprises interposing only a single lining, of pre-formed, plastic, sheet material, which lining has a smooth, low-friction surface, between at least a portion of the surface of the bore and the stabilizer. The interposing step comprises disposing the smooth, low- friction surface in direct, contacting and only a slidable engagement with the outer surface of the stabilizer to facilitate a relative slidable movement between the surfaces.

371485

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