ZA918598B - Self-tapping,and self-tapping and self-drilling,rock bolts - Google Patents

Self-tapping,and self-tapping and self-drilling,rock bolts

Info

Publication number
ZA918598B
ZA918598B ZA918598A ZA918598A ZA918598B ZA 918598 B ZA918598 B ZA 918598B ZA 918598 A ZA918598 A ZA 918598A ZA 918598 A ZA918598 A ZA 918598A ZA 918598 B ZA918598 B ZA 918598B
Authority
ZA
South Africa
Prior art keywords
self
threaded profile
rock bolt
tapping
pct
Prior art date
Application number
ZA918598A
Other languages
English (en)
Inventor
Peter Andrew Gray
Andrew Gray Peter
Original Assignee
Bhp Eng Pty Ltd
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 Bhp Eng Pty Ltd filed Critical Bhp Eng Pty Ltd
Publication of ZA918598B publication Critical patent/ZA918598B/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)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)
ZA918598A 1990-10-29 1991-10-29 Self-tapping,and self-tapping and self-drilling,rock bolts ZA918598B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPK302990 1990-10-29

Publications (1)

Publication Number Publication Date
ZA918598B true ZA918598B (en) 1992-10-28

Family

ID=3775036

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA918598A ZA918598B (en) 1990-10-29 1991-10-29 Self-tapping,and self-tapping and self-drilling,rock bolts

Country Status (8)

Country Link
US (1) US5433558A (xx)
EP (1) EP0591210B1 (xx)
AT (1) ATE155204T1 (xx)
CA (1) CA2095230A1 (xx)
DE (1) DE69126796T2 (xx)
ES (1) ES2106789T3 (xx)
WO (1) WO1992008040A1 (xx)
ZA (1) ZA918598B (xx)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994007619A1 (en) * 1992-09-25 1994-04-14 Bhp Engineering Pty. Ltd. Hollow bars and method of manufacture
GB2284241B (en) * 1993-11-26 1997-04-16 Exchem Plc Fixing tendon
AUPQ009799A0 (en) * 1999-04-30 1999-05-27 Raers Corporation Pty Ltd Drilling apparatus and method for single pass bolting
AU717071B1 (en) * 1999-10-29 2000-03-16 Sandvik Intellectual Property Ab Self drilling roof bolt
WO2001044621A1 (en) * 1999-12-15 2001-06-21 Rsc Mining (Proprietary) Limited An anchor bolt assembly
GB2386405A (en) * 2002-03-15 2003-09-17 Charles Bickford Threaded fixing device and method
KR100482977B1 (ko) * 2002-10-28 2005-04-15 주식회사 아키덤엔지니어링건축사사무소 나선형철근을 이용한 제거형네일 및 그 제조방법
US20050039952A1 (en) * 2003-08-20 2005-02-24 Hill John L. Drilling apparatus, method, and system
CA2510200A1 (en) * 2005-06-16 2006-12-16 Walther, Mirco Screw for use in concrete
BRPI0618483A2 (pt) * 2005-11-09 2011-08-30 Sandvik Intellectual Property parafuso auto-perfurador para rocha
DE102008014700A1 (de) * 2008-03-18 2009-09-24 Dywidag-Systems International Gmbh Korrosionsgeschützter Selbstbohranker sowie Verfahren zu dessen Herstellung
US8224631B2 (en) * 2008-08-18 2012-07-17 Fci Holdings Delaware, Inc. Stress, geologic, and support analysis methodology for underground openings
AU2009202836A1 (en) 2008-09-18 2010-04-08 Peter Andrew Gray An injection, sealing, valving and passageway system
US8529178B2 (en) 2010-02-19 2013-09-10 Nucor Corporation Weldless building structures
US9004835B2 (en) 2010-02-19 2015-04-14 Nucor Corporation Weldless building structures
DE102010002214A1 (de) * 2010-02-23 2011-08-25 Hilti Aktiengesellschaft Bewehrungs- und/oder Ankerschraube
DE202010006059U1 (de) * 2010-04-23 2010-07-22 Stahlwerk Annahütte Max Aicher GmbH & Co KG Gewindestab
CA2802913C (en) 2010-06-24 2019-09-10 Nucor Corporation A tensionable threaded rebar bolt
DE102010043765B4 (de) * 2010-11-11 2014-08-28 Hilti Aktiengesellschaft Ankerbaugruppe sowie Verfahren zur Herstellung einer Ankerbaugruppe
US9010165B2 (en) 2011-01-18 2015-04-21 Nucor Corporation Threaded rebar manufacturing process and system
ITMI20111008A1 (it) * 2011-06-01 2012-12-02 Contact Italia S R L Vite e relativo metodo di fissaggio in roccia
DE102011087178A1 (de) * 2011-11-28 2013-05-29 Hilti Aktiengesellschaft Anker, insbesondere Gesteinsanker
US20150233408A1 (en) * 2014-02-20 2015-08-20 Rom Acquisition Corporation Self-reaming self-tapping fastener
US20150316088A1 (en) * 2014-05-03 2015-11-05 Andrew Harold PEARCE Screwcon
ES2827019T3 (es) * 2015-05-08 2021-05-19 Normet International Ltd Perno de roca hueco autorroscante anclado localmente
USD764266S1 (en) 2015-06-26 2016-08-23 Hk Marketing Lc Composite action tie
US10000928B2 (en) 2015-08-24 2018-06-19 Hk Marketing Lc Tie for composite wall system that is both screwable and axially pushable
CA3211072A1 (en) 2016-05-02 2017-11-02 Asia Fastening (Us), Inc. Double threaded standoff fastener
CN107191211B (zh) * 2017-07-10 2023-03-31 河南理工大学 用于锚固破碎顶板煤体的叉形锚杆及其安装方法
USD856122S1 (en) 2018-07-13 2019-08-13 Hk Marketing Lc Tie
USD856121S1 (en) 2018-01-29 2019-08-13 Hk Marketing Lc Composite action tie
US10870988B2 (en) 2018-01-29 2020-12-22 Hk Marketing Lc Tie for composite wall system fitting between insulation sheets
USD968199S1 (en) 2019-04-23 2022-11-01 Hk Marketing Lc Tie standoff
KR102360959B1 (ko) * 2019-10-07 2022-02-09 전하철 고정안정성 증대를 위한 체결요소

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1288893A (en) * 1914-06-20 1918-12-24 Edward C Holmes Screw.
DE1150344B (de) * 1960-03-18 1963-06-20 Bergwerksverband Gmbh Anker mit als Mischschnecke ausgebildetem Kopf
NL137880C (xx) * 1968-01-09
US4271554A (en) * 1979-01-09 1981-06-09 Allen-Stevens Corp. Combination drill and tap tool
DE3145153C2 (de) * 1981-11-13 1984-10-04 Röchling Haren KG, 4472 Haren Verfahren zur Herstellung eines stranggezogenen Verankerungsstabes aus aushärtbarem Kunstharz
DE3145923C2 (de) * 1981-11-20 1983-11-17 Dyckerhoff & Widmann AG, 8000 München Verspannvorrichtung für das Zugglied eines Ankers, insbesondere eines Felsankers
US4697969A (en) * 1985-09-06 1987-10-06 Sparkes Wilford S Wood screw
DE3724165A1 (de) * 1986-09-10 1988-03-24 Gd Anker Gmbh & Co Kg Gebirgsanker
AT389923B (de) * 1988-01-29 1990-02-26 Sfs Stadler Ag Selbstbohrende und -gewindeschneidende schraube zum eindrehen in gasbeton
JP2865823B2 (ja) * 1990-07-23 1999-03-08 国分化学工業株式会社 ドリルねじ

Also Published As

Publication number Publication date
US5433558A (en) 1995-07-18
DE69126796T2 (de) 1998-02-19
EP0591210A1 (en) 1994-04-13
EP0591210A4 (en) 1994-06-29
EP0591210B1 (en) 1997-07-09
CA2095230A1 (en) 1992-04-30
ES2106789T3 (es) 1997-11-16
WO1992008040A1 (en) 1992-05-14
ATE155204T1 (de) 1997-07-15
DE69126796D1 (de) 1997-08-14

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