SE9004101L - Borrkrona - Google Patents

Borrkrona

Info

Publication number
SE9004101L
SE9004101L SE9004101A SE9004101A SE9004101L SE 9004101 L SE9004101 L SE 9004101L SE 9004101 A SE9004101 A SE 9004101A SE 9004101 A SE9004101 A SE 9004101A SE 9004101 L SE9004101 L SE 9004101L
Authority
SE
Sweden
Prior art keywords
cutting face
drill bit
flushing medium
pct
head
Prior art date
Application number
SE9004101A
Other languages
Unknown language ( )
English (en)
Other versions
SE503323C2 (sv
SE9004101D0 (sv
Inventor
J-G Hedlund
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
Priority to SE9004101A priority Critical patent/SE503323C2/sv
Publication of SE9004101D0 publication Critical patent/SE9004101D0/sv
Priority to CA002098581A priority patent/CA2098581C/en
Priority to JP4502189A priority patent/JPH06504596A/ja
Priority to AU91300/91A priority patent/AU9130091A/en
Priority to US08/075,561 priority patent/US5358063A/en
Priority to PCT/SE1991/000841 priority patent/WO1992011436A1/en
Priority to IE449291A priority patent/IE73663B1/en
Publication of SE9004101L publication Critical patent/SE9004101L/sv
Publication of SE503323C2 publication Critical patent/SE503323C2/sv

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B10/56—Button-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
SE9004101A 1990-12-21 1990-12-21 Borrkrona, företrädesvis sänkborrkrona SE503323C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9004101A SE503323C2 (sv) 1990-12-21 1990-12-21 Borrkrona, företrädesvis sänkborrkrona
CA002098581A CA2098581C (en) 1990-12-21 1991-12-06 Drill bit
JP4502189A JPH06504596A (ja) 1990-12-21 1991-12-06 ドリルビット
AU91300/91A AU9130091A (en) 1990-12-21 1991-12-06 Drill bit
US08/075,561 US5358063A (en) 1990-12-21 1991-12-06 Drill bit
PCT/SE1991/000841 WO1992011436A1 (en) 1990-12-21 1991-12-06 Drill bit
IE449291A IE73663B1 (en) 1990-12-21 1991-12-20 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9004101A SE503323C2 (sv) 1990-12-21 1990-12-21 Borrkrona, företrädesvis sänkborrkrona

Publications (3)

Publication Number Publication Date
SE9004101D0 SE9004101D0 (sv) 1990-12-21
SE9004101L true SE9004101L (sv) 1992-06-22
SE503323C2 SE503323C2 (sv) 1996-05-28

Family

ID=20381272

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9004101A SE503323C2 (sv) 1990-12-21 1990-12-21 Borrkrona, företrädesvis sänkborrkrona

Country Status (7)

Country Link
US (1) US5358063A (sv)
JP (1) JPH06504596A (sv)
AU (1) AU9130091A (sv)
CA (1) CA2098581C (sv)
IE (1) IE73663B1 (sv)
SE (1) SE503323C2 (sv)
WO (1) WO1992011436A1 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535839A (en) * 1995-06-07 1996-07-16 Brady; William J. Roof drill bit with radial domed PCD inserts
US6039127A (en) * 1998-03-13 2000-03-21 Loudon Enterprises, Inc. Rock drill
US6105693A (en) * 1999-02-18 2000-08-22 Sandvik Ab Partially enhanced percussive drill bit
US6435288B1 (en) * 2000-09-18 2002-08-20 Cubex Limited Rock drill bit
US8459381B2 (en) 2006-12-14 2013-06-11 Longyear Tm, Inc. Drill bits with axially-tapered waterways
US9506298B2 (en) * 2013-11-20 2016-11-29 Longyear Tm, Inc. Drill bits having blind-hole flushing and systems for using same
GB2454900B (en) 2007-11-22 2012-01-11 Schlumberger Holdings Self-circulating drill bit
PL2592216T3 (pl) 2011-11-11 2019-05-31 Sandvik Intellectual Property Bit wiertniczy do narzędzia do wiercenia w skałach i narzędzie do wiercenia w skałach
CN102773677A (zh) * 2012-07-30 2012-11-14 大丰市中德精锻件有限公司 带粉槽潜孔钻头的加工工艺
CN103806839B (zh) * 2012-11-15 2016-08-31 华外机械工程有限公司 一种钻孔装置
GB2516626B (en) * 2013-07-25 2018-01-10 Padley & Venables Ltd Percussive Drill Bit
CN104594811A (zh) * 2013-10-31 2015-05-06 赵兵 岩石水钻机排孔钻头
EP3059383B1 (en) * 2015-02-19 2017-12-27 Sandvik Intellectual Property AB Drill bit for improved transport of cuttings
CN104832101B (zh) * 2015-05-15 2018-07-03 中国水利水电第十工程局有限公司 双基材型切削元件及具有该切削元件的潜孔锤钻头
CN104989279B (zh) * 2015-07-29 2019-04-12 长沙天和钻具机械有限公司 一种高风压钻头
FI128818B (sv) * 2015-11-26 2020-12-31 Oy Epiroc Drilling Tools Ab Förfarande vid sänkborrning och en sänkborrningsapparat
JP7213692B2 (ja) * 2019-01-09 2023-01-27 旭ダイヤモンド工業株式会社 掘削用ビット
CN112453411B (zh) * 2020-11-23 2022-06-21 湖南省煤炭地质勘查院 一种含激光3d打印法涂覆金刚石层的潜孔钻头及其制备方法
CN112439896B (zh) * 2020-11-23 2022-06-21 湖南省煤炭地质勘查院 一种含熔融沉积3d打印成型孕镶金刚石层的潜孔钻头及其制备方法
CN113560564B (zh) * 2021-07-29 2023-09-05 湖南科技大学 一种具有钻-磨复合功能的纳米金刚石多层钎焊钻头的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1577244A (en) * 1923-06-07 1926-03-16 Walter F Eichenhofer Rotary drill bit
US3995707A (en) * 1975-09-23 1976-12-07 John Herke Well drilling bit
ZA904380B (en) * 1989-06-09 1991-03-27 Lister William Rock drilling bit

Also Published As

Publication number Publication date
US5358063A (en) 1994-10-25
CA2098581A1 (en) 1992-06-22
CA2098581C (en) 2002-10-08
IE73663B1 (en) 1997-06-18
AU9130091A (en) 1992-07-22
JPH06504596A (ja) 1994-05-26
SE503323C2 (sv) 1996-05-28
SE9004101D0 (sv) 1990-12-21
WO1992011436A1 (en) 1992-07-09
IE914492A1 (en) 1992-07-01

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Legal Events

Date Code Title Description
NUG Patent has lapsed