ZA200202950B - Self drilling roof bolt. - Google Patents

Self drilling roof bolt.

Info

Publication number
ZA200202950B
ZA200202950B ZA200202950A ZA200202950A ZA200202950B ZA 200202950 B ZA200202950 B ZA 200202950B ZA 200202950 A ZA200202950 A ZA 200202950A ZA 200202950 A ZA200202950 A ZA 200202950A ZA 200202950 B ZA200202950 B ZA 200202950B
Authority
ZA
South Africa
Prior art keywords
roof bolt
self drilling
drilling roof
self
bolt
Prior art date
Application number
ZA200202950A
Other languages
English (en)
Inventor
Steven Weaver
Eric Johnson
Michael Mclean
Original Assignee
Sandvik Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Ab filed Critical Sandvik Ab
Publication of ZA200202950B publication Critical patent/ZA200202950B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
ZA200202950A 1999-10-29 2002-04-15 Self drilling roof bolt. ZA200202950B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU57122/99A AU717071B1 (en) 1999-10-29 1999-10-29 Self drilling roof bolt

Publications (1)

Publication Number Publication Date
ZA200202950B true ZA200202950B (en) 2003-09-23

Family

ID=3742589

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200202950A ZA200202950B (en) 1999-10-29 2002-04-15 Self drilling roof bolt.

Country Status (11)

Country Link
US (1) US6309159B1 (xx)
EP (1) EP1224375B1 (xx)
CN (1) CN1234956C (xx)
AR (1) AR026294A1 (xx)
AT (1) ATE285021T1 (xx)
AU (1) AU717071B1 (xx)
BR (1) BR0015132A (xx)
DE (1) DE60016782T2 (xx)
MX (1) MXPA02004274A (xx)
WO (1) WO2001031161A1 (xx)
ZA (1) ZA200202950B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ009799A0 (en) * 1999-04-30 1999-05-27 Raers Corporation Pty Ltd Drilling apparatus and method for single pass bolting
DE10142560A1 (de) * 2001-08-30 2003-03-20 Hilti Ag Bohrkopf mit einem Schneidelement
US6619899B1 (en) * 2002-06-10 2003-09-16 Power Products Iii, Llc Cutting insert for fasteners
FR2850435B1 (fr) * 2003-01-29 2007-07-13 Prospection & Inventions Cheville d'ancrage pour materiau friable
AU2003200561B9 (en) * 2003-02-19 2009-07-02 Sandvik Intellectual Property Ab Drill bit
AU2003203447B2 (en) * 2003-03-28 2008-10-30 Sandvik Intellectual Property Ab Drill Bit
RU2343287C2 (ru) * 2003-06-03 2009-01-10 Дьюнфаер Пти Лтд Анкерный болт
GB0315548D0 (en) * 2003-07-03 2003-08-06 Plasplugs Ltd Wall plug
CN1304699C (zh) * 2003-07-10 2007-03-14 广州极思意环境技术有限公司 自钻式锚杆
US20050039952A1 (en) * 2003-08-20 2005-02-24 Hill John L. Drilling apparatus, method, and system
DE202004014288U1 (de) * 2004-09-15 2004-11-18 Stryker Trauma Gmbh Intraamedullärer Verriegelungsnagel
WO2007059580A1 (en) * 2005-11-24 2007-05-31 Peter Andrew Gray Self drilling rock bolt
US20070286686A1 (en) * 2006-06-09 2007-12-13 Precision Pier, Usa, Inc. Method For Installing A Solidifying Material Pier Anchorage System
WO2008100194A2 (en) * 2007-02-14 2008-08-21 Sandvik Intellectual Property Ab A drill bit and a single drilling apparatus
AU2007214343B2 (en) * 2007-08-31 2009-08-13 Sandvik Intellectual Property Ab Rock bolt with mechanical anchor
US20110038675A1 (en) * 2008-10-02 2011-02-17 Nippon Steel Corporation Steel pipe for reinforcing ground, method of reinforcing ground using the same, and method of reinforcing structure
DE102009001298A1 (de) * 2009-03-03 2010-09-16 Hilti Aktiengesellschaft Selbstbohrschraube
DE202010006059U1 (de) * 2010-04-23 2010-07-22 Stahlwerk Annahütte Max Aicher GmbH & Co KG Gewindestab
BR202012013220Y1 (pt) * 2012-06-01 2018-12-18 Roberto Lujan Jardim Alves disposição aplicada em perfurador de paredes
CN105443150A (zh) * 2015-11-23 2016-03-30 成都现代万通锚固技术有限公司 一种快速安装的自钻式锚杆
US10480320B2 (en) * 2017-03-06 2019-11-19 Minova International Limited Oval bar
US10711820B2 (en) * 2018-02-22 2020-07-14 Shehkai Precision Co., Ltd. Composite screw
CN113864304B (zh) * 2020-06-30 2023-06-13 喜利得股份公司 用于自钻孔锚栓的安装设备及安装方法
CN111997674A (zh) * 2020-09-25 2020-11-27 何双龙 一种锚杆用防崩装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085453A (en) * 1960-05-27 1963-04-16 Carl W Mossberg Method of preforming a coolant type drill
US4055051A (en) * 1976-01-08 1977-10-25 The United States Of America As Represented By The Secretary Of The Interior Unitary drill bit and roof bolt
US4712626A (en) * 1981-04-02 1987-12-15 Mining Tools, Inc. Div. Of Smith California Retainer device for drill bit
CA1220059A (en) * 1983-10-03 1987-04-07 Edmund Isakov Two-prong rotary bit, especially for use with roof drills, and insert therefor
CA2095230A1 (en) * 1990-10-29 1992-04-30 Peter Andrew Gray Self-tapping, and self-tapping and self-drilling, rock bolts
US5098435A (en) * 1990-11-21 1992-03-24 Alphatec Manufacturing Inc. Cannula
ATE190527T1 (de) 1992-09-25 2000-04-15 Bhp Eng Pty Ltd Hohle stangen und herstellungsverfahren
US5467837A (en) * 1993-09-01 1995-11-21 Kennametal Inc. Rotary drill bit having an insert with leading and trailing relief portions
BR9609054A (pt) * 1995-06-07 1999-01-26 Credo Tool Co Extremidade de broca para alvenaria e método para fazer uma extremidade de broca para alvenaria
JP3291202B2 (ja) * 1996-06-19 2002-06-10 株式会社ヤマヒロ セルフドリリングアンカー

Also Published As

Publication number Publication date
WO2001031161A1 (en) 2001-05-03
ATE285021T1 (de) 2005-01-15
EP1224375A1 (en) 2002-07-24
BR0015132A (pt) 2002-06-25
US6309159B1 (en) 2001-10-30
CN1234956C (zh) 2006-01-04
DE60016782D1 (de) 2005-01-20
AR026294A1 (es) 2003-02-05
CN1382243A (zh) 2002-11-27
MXPA02004274A (es) 2003-01-28
EP1224375B1 (en) 2004-12-15
DE60016782T2 (de) 2005-12-08
AU717071B1 (en) 2000-03-16

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