FI970181A0 - Kierrekytkin - Google Patents

Kierrekytkin

Info

Publication number
FI970181A0
FI970181A0 FI970181A FI970181A FI970181A0 FI 970181 A0 FI970181 A0 FI 970181A0 FI 970181 A FI970181 A FI 970181A FI 970181 A FI970181 A FI 970181A FI 970181 A0 FI970181 A0 FI 970181A0
Authority
FI
Finland
Prior art keywords
thread switch
thread
switch
Prior art date
Application number
FI970181A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI970181A (fi
Inventor
Kenneth Larsson
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 FI970181A publication Critical patent/FI970181A/fi
Publication of FI970181A0 publication Critical patent/FI970181A0/fi

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
  • Prostheses (AREA)
FI970181A 1994-07-19 1997-01-16 Kierrekytkin FI970181A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9402517A SE505073C2 (sv) 1994-07-19 1994-07-19 Gängförband för slående borrning
PCT/SE1995/000852 WO1996002729A1 (en) 1994-07-19 1995-07-13 Thread coupling

Publications (2)

Publication Number Publication Date
FI970181A FI970181A (fi) 1997-01-16
FI970181A0 true FI970181A0 (fi) 1997-01-16

Family

ID=20394759

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970181A FI970181A0 (fi) 1994-07-19 1997-01-16 Kierrekytkin

Country Status (8)

Country Link
EP (1) EP0771388A1 (ja)
JP (1) JPH10504077A (ja)
AU (1) AU684380B2 (ja)
BR (1) BR9508260A (ja)
CA (1) CA2192204A1 (ja)
FI (1) FI970181A0 (ja)
SE (1) SE505073C2 (ja)
WO (1) WO1996002729A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997032109A1 (en) * 1996-02-29 1997-09-04 Ingersoll-Rand Company Dual pitch connecting joint
SE525431C2 (sv) * 2003-02-24 2005-02-22 Sandvik Ab Handel för slående borrning
JP5358492B2 (ja) * 2009-09-08 2013-12-04 株式会社ジオ機材 打撃削孔用ロッドの連結構造
JP6136439B2 (ja) * 2013-03-26 2017-05-31 三菱マテリアル株式会社 掘削工具のネジ継手構造、及び掘削工具
EP4386247A3 (en) 2015-05-22 2024-09-25 Sandvik Intellectual Property AB Drill rod or adaptor with strengthened spigot coupling
EP3933165A1 (en) * 2020-06-30 2022-01-05 Sandvik Mining and Construction Tools AB Thread clearance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1326643A (en) * 1919-12-30 Rotary coupling
SE8600199L (sv) * 1986-01-17 1987-07-18 Loevab Loef Och Oestlund Ab Borrverktyg
SE469603B (sv) * 1988-07-08 1993-08-02 Sandvik Ab Gaengfoerband

Also Published As

Publication number Publication date
JPH10504077A (ja) 1998-04-14
AU3089395A (en) 1996-02-16
WO1996002729A1 (en) 1996-02-01
AU684380B2 (en) 1997-12-11
BR9508260A (pt) 1997-12-23
SE9402517L (sv) 1996-01-20
EP0771388A1 (en) 1997-05-07
SE505073C2 (sv) 1997-06-23
SE9402517D0 (sv) 1994-07-19
FI970181A (fi) 1997-01-16
CA2192204A1 (en) 1996-02-01

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Legal Events

Date Code Title Description
FD Application lapsed