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1. CN102317573 - 屈服式锚杆及组件

Office
China
Application Number 201080007707.5
Application Date 01.09.2010
Publication Number 102317573
Publication Date 11.01.2012
Grant Number 102317573
Grant Date 12.02.2014
Publication Kind B
IPC
E21D 20/02
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
20Setting anchoring-bolts
02with provisions for grouting
CPC
E21D 21/0006
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
21Anchoring-bolts for roof, floor ; in galleries or longwall working; , or shaft-lining protection
0006characterised by the bolt material
E21D 21/0033
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
21Anchoring-bolts for roof, floor ; in galleries or longwall working; , or shaft-lining protection
0026characterised by constructional features of the bolts
0033having a jacket or outer tube
E21D 21/004
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
21Anchoring-bolts for roof, floor ; in galleries or longwall working; , or shaft-lining protection
0026characterised by constructional features of the bolts
004Bolts held in the borehole by friction all along their length, without additional fixing means
E21D 21/0046
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
21Anchoring-bolts for roof, floor ; in galleries or longwall working; , or shaft-lining protection
0026characterised by constructional features of the bolts
0046formed by a plurality of elements arranged longitudinally
E21D 21/02
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
21Anchoring-bolts for roof, floor ; in galleries or longwall working; , or shaft-lining protection
02having means for indicating tension
Applicants FCI特拉华控股有限公司
Inventors 约翰·G·奥尔德森
吴耀坤
马克·W·拉莫思
Agents 北京天昊联合知识产权代理有限公司 11112
北京天昊联合知识产权代理有限公司 11112
Priority Data 61/238,849 01.09.2009 US
Title
(ZH) 屈服式锚杆及组件
Abstract
(ZH)

一种矿井顶板锚杆包括细长杆和聚合物涂层。细长杆具有第一端和第二端,该第二端具有从细长杆沿径向向外延伸的突出部分。聚合物涂层至少覆盖细长杆的第一端和第二端之间的一部分。细长杆能沿轴向相对于聚合物涂层移动。细长杆具有:第一位置,在此处细长杆相对于聚合物涂层具有预定的轴向位置;以及第二位置,在此处细长杆具有相对于第一位置移位的轴向位置。