E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 21/00 (2006.01) E21D 20/00 (2006.01)
Patent
CA 2550181
A mine roof bolt for use with resin including a strand cable, The bolt includes a head mechanism attached to the strand cable which preferably allows the strand cable to be turned in a first direction for mixing the resin and in a second direction opposite the first direction for tensioning the strand cable in the mine roofs although mixing and tightening can occur in the same direction. A method for placing a mine roof bolt in a mine roof.
Borden Ladner Gervais Llp
F.m. Locotos Co. Inc.
LandOfFree
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