Prestressed steel rope roofbolt

• Main Authors: LIN LI, LEIXIN ZHANG, SHENGGUO ZHANG
• Format: Patent
• Language: English
• Published: 29.10.2003
• Edition: 7
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to a prestressed steel rope roof bolt which is composed of a rod body of the steel rope, a connector, a connecting sleeve, a nut, a pallet, etc., wherein, one end of the rod body of the steel rope is processed into a rectangular flat head, and the other end of the rod body...