FIELD: mining.
SUBSTANCE: friction tubular anchor contains swelling tube. The latter is connected to sleeve and at that sleeve-shaped coupling is provided; at that, sleeve connected to swelling tube is inserted into sleeve-shaped coupling. Besides, sleeve-shaped coupling has the possibility of receiving the other structural member in its section that lies opposite to the section that receives the sleeve with swelling tube.
EFFECT: enlarging application capabilities of friction tubular anchors.
45 cl, 27 dwg
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