SE8600199L - Borrverktyg - Google Patents

Borrverktyg

Info

Publication number
SE8600199L
SE8600199L SE8600199A SE8600199A SE8600199L SE 8600199 L SE8600199 L SE 8600199L SE 8600199 A SE8600199 A SE 8600199A SE 8600199 A SE8600199 A SE 8600199A SE 8600199 L SE8600199 L SE 8600199L
Authority
SE
Sweden
Prior art keywords
section
drill
bit
bit section
broaching
Prior art date
Application number
SE8600199A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE8600199D0 (sv
Inventor
U Lof
Original Assignee
Loevab Loef Och Oestlund 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 Loevab Loef Och Oestlund Ab filed Critical Loevab Loef Och Oestlund Ab
Priority to SE8600199A priority Critical patent/SE8600199L/
Publication of SE8600199D0 publication Critical patent/SE8600199D0/xx
Priority to JP62500772A priority patent/JPS63502196A/ja
Priority to PCT/SE1987/000009 priority patent/WO1987004487A1/en
Priority to EP87900905A priority patent/EP0255536A1/en
Priority to AU68421/87A priority patent/AU6842187A/en
Publication of SE8600199L publication Critical patent/SE8600199L/
Priority to NO873782A priority patent/NO873782L/no
Priority to FI873959A priority patent/FI873959A/fi

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
SE8600199A 1986-01-17 1986-01-17 Borrverktyg SE8600199L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8600199A SE8600199L (sv) 1986-01-17 1986-01-17 Borrverktyg
JP62500772A JPS63502196A (ja) 1986-01-17 1987-01-14 ドリル工具
PCT/SE1987/000009 WO1987004487A1 (en) 1986-01-17 1987-01-14 Drill tool
EP87900905A EP0255536A1 (en) 1986-01-17 1987-01-14 Drill tool
AU68421/87A AU6842187A (en) 1986-01-17 1987-01-14 Drill tool
NO873782A NO873782L (no) 1986-01-17 1987-09-10 Boreverktoey.
FI873959A FI873959A (fi) 1986-01-17 1987-09-11 Borrverktyg.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8600199A SE8600199L (sv) 1986-01-17 1986-01-17 Borrverktyg

Publications (2)

Publication Number Publication Date
SE8600199D0 SE8600199D0 (sv) 1986-01-17
SE8600199L true SE8600199L (sv) 1987-07-18

Family

ID=20363125

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8600199A SE8600199L (sv) 1986-01-17 1986-01-17 Borrverktyg

Country Status (7)

Country Link
EP (1) EP0255536A1 (no)
JP (1) JPS63502196A (no)
AU (1) AU6842187A (no)
FI (1) FI873959A (no)
NO (1) NO873782L (no)
SE (1) SE8600199L (no)
WO (1) WO1987004487A1 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469603B (sv) * 1988-07-08 1993-08-02 Sandvik Ab Gaengfoerband
SE505073C2 (sv) * 1994-07-19 1997-06-23 Sandvik Ab Gängförband för slående borrning
SE506695C2 (sv) * 1994-11-23 1998-02-02 Uniroc Ab Gängskarv för slående borrning
US6070678A (en) * 1998-05-01 2000-06-06 Numa Tool Company Bit retention system
US6021856A (en) * 1998-05-29 2000-02-08 Numa Tool Company Bit retention system
DE19952225A1 (de) * 1999-10-29 2001-05-03 Hilti Ag Bohr- und/oder Meisselwerkzeug
SE522221C2 (sv) * 2001-10-12 2004-01-27 Sandvik Ab Gängförband för slående bergborrning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE16061E (en) * 1925-05-05 thurston
SE426089B (sv) * 1981-04-24 1982-12-06 Fagersta Ab Skarvforband vid bergborrutrustning

Also Published As

Publication number Publication date
FI873959A0 (fi) 1987-09-11
EP0255536A1 (en) 1988-02-10
JPS63502196A (ja) 1988-08-25
FI873959A (fi) 1987-09-11
NO873782D0 (no) 1987-09-10
SE8600199D0 (sv) 1986-01-17
WO1987004487A1 (en) 1987-07-30
NO873782L (no) 1987-09-10
AU6842187A (en) 1987-08-14

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8600199-7

Effective date: 19900801