EP0771388A1 - Thread coupling - Google Patents

Thread coupling

Info

Publication number
EP0771388A1
EP0771388A1 EP95926562A EP95926562A EP0771388A1 EP 0771388 A1 EP0771388 A1 EP 0771388A1 EP 95926562 A EP95926562 A EP 95926562A EP 95926562 A EP95926562 A EP 95926562A EP 0771388 A1 EP0771388 A1 EP 0771388A1
Authority
EP
European Patent Office
Prior art keywords
thread
spigot
thread coupling
sleeve
female
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP95926562A
Other languages
German (de)
English (en)
French (fr)
Inventor
Kenneth Larsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik AB
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 EP0771388A1 publication Critical patent/EP0771388A1/en
Withdrawn legal-status Critical Current

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
    • 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)
EP95926562A 1994-07-19 1995-07-13 Thread coupling Withdrawn EP0771388A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402517A SE505073C2 (sv) 1994-07-19 1994-07-19 Gängförband för slående borrning
SE9402517 1994-07-19
PCT/SE1995/000852 WO1996002729A1 (en) 1994-07-19 1995-07-13 Thread coupling

Publications (1)

Publication Number Publication Date
EP0771388A1 true EP0771388A1 (en) 1997-05-07

Family

ID=20394759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95926562A Withdrawn EP0771388A1 (en) 1994-07-19 1995-07-13 Thread coupling

Country Status (8)

Country Link
EP (1) EP0771388A1 (fi)
JP (1) JPH10504077A (fi)
AU (1) AU684380B2 (fi)
BR (1) BR9508260A (fi)
CA (1) CA2192204A1 (fi)
FI (1) FI970181A (fi)
SE (1) SE505073C2 (fi)
WO (1) WO1996002729A1 (fi)

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
EP3095954B1 (en) 2015-05-22 2024-05-15 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9602729A1 *

Also Published As

Publication number Publication date
SE9402517D0 (sv) 1994-07-19
FI970181A0 (fi) 1997-01-16
AU684380B2 (en) 1997-12-11
FI970181A (fi) 1997-01-16
BR9508260A (pt) 1997-12-23
AU3089395A (en) 1996-02-16
SE9402517L (sv) 1996-01-20
SE505073C2 (sv) 1997-06-23
WO1996002729A1 (en) 1996-02-01
JPH10504077A (ja) 1998-04-14
CA2192204A1 (en) 1996-02-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19961212

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT DE FR GB IE SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19990201