F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/31
F16L 9/00 (2006.01) E21D 11/15 (2006.01) F16L 11/00 (2006.01)
Patent
CA 1142862
A B S T R A C T A FLEXIBLE TUBE FOR USE IN PARTICULAR IN UNDERGROUND MINING A flexible tube for use in underground works by producing a force and shape locking connection between constructions and the ground after the hardening of a filler introduced into the tube. The tube is woven from synthetic fibres having a tear strength of at least 70 cN/tex without a seam. The fabric of the tube is water-permeable and the tube is provided with a water-tight finish which partly seals the pore of the fabric.
366109
Brockhaus Karl
Krummheuer Wolf
Rohrens Hubert
Akzo N.v.
Sherman
LandOfFree
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