FIELD: mining. SUBSTANCE: tubular anchor includes anchor tube with a slot and end support members for securing rock in mine, and strutting device in the form of insertion piece placed in the tube, and wedge rod installed so to be moved axially in the insertion piece. Anchor tube has face internal limiter. Slot in anchor tube is lengthwise along all its length. Insertion piece is made of sealed material, for instance, wood. EFFECT: high reliability. cl, 5 dwg
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