PL377767A1 - Zespół koronki wiertniczej, żerdź wiertnicza zawierająca zespół koronki wiertniczej, oraz ostrze wiertnicze wwiercane w skałę lub sworzeń stropowy - Google Patents

Zespół koronki wiertniczej, żerdź wiertnicza zawierająca zespół koronki wiertniczej, oraz ostrze wiertnicze wwiercane w skałę lub sworzeń stropowy

Info

Publication number
PL377767A1
PL377767A1 PL377767A PL37776704A PL377767A1 PL 377767 A1 PL377767 A1 PL 377767A1 PL 377767 A PL377767 A PL 377767A PL 37776704 A PL37776704 A PL 37776704A PL 377767 A1 PL377767 A1 PL 377767A1
Authority
PL
Poland
Prior art keywords
drill
bit assembly
drill bit
rod including
roof bolt
Prior art date
Application number
PL377767A
Other languages
English (en)
Other versions
PL208581B1 (pl
Inventor
John Barry
Original Assignee
Sandvik Intellectual Property 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 Intellectual Property Ab filed Critical Sandvik Intellectual Property Ab
Publication of PL377767A1 publication Critical patent/PL377767A1/pl
Publication of PL208581B1 publication Critical patent/PL208581B1/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
PL377767A 2003-03-28 2004-03-23 Zespół koronki wiertniczej PL208581B1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2003203447A AU2003203447B2 (en) 2003-03-28 2003-03-28 Drill Bit

Publications (2)

Publication Number Publication Date
PL377767A1 true PL377767A1 (pl) 2006-02-20
PL208581B1 PL208581B1 (pl) 2011-05-31

Family

ID=33034736

Family Applications (1)

Application Number Title Priority Date Filing Date
PL377767A PL208581B1 (pl) 2003-03-28 2004-03-23 Zespół koronki wiertniczej

Country Status (9)

Country Link
US (1) US7051822B2 (pl)
CN (1) CN100353020C (pl)
AU (1) AU2003203447B2 (pl)
DE (1) DE112004000454T5 (pl)
NO (1) NO20053568L (pl)
PL (1) PL208581B1 (pl)
RU (1) RU2005133223A (pl)
WO (1) WO2004085792A1 (pl)
ZA (1) ZA200505789B (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006000085B3 (de) * 2006-02-21 2007-10-11 Hilti Ag Bohrkopf
US20070274794A1 (en) * 2006-05-26 2007-11-29 Cirino Thomas J Oblique angle serration location and drive interface
CL2008002711A1 (es) * 2007-09-14 2010-06-18 Longyear Tm Inc Dispositivo de anclaje de autoperforacion, que comprende una varilla de perforacion, una broca de barrena en un extremo de la varilla, un armazon de expansion adyacente a la broca y un manguito de varilla adyacente al armazon; metodo para montar y metodo para instalar dicho dispositivo de anclaje.
AU2009202702A1 (en) * 2009-06-19 2011-01-13 Sandvik Intellectual Property Ab A drill bit
AU2010212356B2 (en) * 2010-08-13 2015-11-26 Sandvik Intellectual Property Ab Drill bit
USD794691S1 (en) 2014-02-26 2017-08-15 Sumitomo Electric Hardmetal Corp. Drilling tool
CN106894764B (zh) * 2015-12-18 2019-01-01 中国石油化工股份有限公司 一种钻头

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688652A (en) * 1981-03-27 1987-08-25 Kennametal Inc. Braze fixtures for use in drilling tools
US4633959A (en) * 1985-06-26 1987-01-06 Vermont American Corporation Drill having means for locating cutting bit in a bit holder
US5184925A (en) * 1992-01-10 1993-02-09 Kennametal Inc. Insert and insert support bar
AU717071B1 (en) * 1999-10-29 2000-03-16 Sandvik Intellectual Property Ab Self drilling roof bolt
US6684968B2 (en) * 2001-06-25 2004-02-03 Kennametal Inc. Roof bit body and insert assembly

Also Published As

Publication number Publication date
AU2003203447A1 (en) 2004-10-14
AU2003203447B2 (en) 2008-10-30
NO20053568D0 (no) 2005-07-21
WO2004085792A1 (en) 2004-10-07
CN100353020C (zh) 2007-12-05
ZA200505789B (en) 2007-09-26
NO20053568L (no) 2005-10-27
PL208581B1 (pl) 2011-05-31
US20040245023A1 (en) 2004-12-09
CN1756889A (zh) 2006-04-05
US7051822B2 (en) 2006-05-30
DE112004000454T5 (de) 2006-03-02
RU2005133223A (ru) 2006-02-10

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20130323