发明名称 |
YIELDABLE CONE BOLT AND METHOD OF MANUFACTURING SAME |
摘要 |
<p>A mine roof support assembly for anchoring in a bore hole by means of a resin, cementitious grout which includes an elongated reinforcing tendon which extends from a proximal end portion to a distal end portion. A slip sheath formed from a heat shrunk plastic, is secured by heat shrinkage radially about the tendon. The sheath is mechanically coupled to the tendon so as to allow the desired axial sliding of the tendon relative to the sheath on the application of predetermined forces which sufficient to effect any desired yielding movement of the tendon in the bore hole. An anti-bonding agent or coating and/or anticorrosive may be interposed between the sheath and the tendon, whereby the sheath substantially encapsulates and limits the admixing of the interposed anti -bonding agent/anti-corrosive coating with the resin.</p> |
申请公布号 |
WO2010078639(A1) |
申请公布日期 |
2010.07.15 |
申请号 |
WO2009CA00015 |
申请日期 |
2009.01.07 |
申请人 |
MANSOUR MINING INC.;CAI, MING;CHAMPAIGNE, DENIS |
发明人 |
CAI, MING;CHAMPAIGNE, DENIS |
分类号 |
E21D21/00;B29C61/02;B29C63/42 |
主分类号 |
E21D21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|