FI864185A7 - A threaded connection used in conjunction with impact drilling. - Google Patents

A threaded connection used in conjunction with impact drilling. Download PDF

Info

Publication number: FI864185A7
Authority: FI; Finland
Prior art keywords: conjunction; threaded connection; connection used; impact drilling; drilling
Prior art date: 1985-10-17

Application number

FI864185A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI864185L (en

FI864185A0 (en

Inventor

Bernt Sören Liljekvist

Original Assignee

Santrade Ltd

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.)

1985-10-17

Filing date

1986-10-16

Publication date

1987-04-18

1986-10-16 Application filed by Santrade Ltd filed Critical Santrade Ltd

1986-10-16 Publication of FI864185A0 publication Critical patent/FI864185A0/en

1987-04-18 Publication of FI864185L publication Critical patent/FI864185L/en

1987-04-18 Publication of FI864185A7 publication Critical patent/FI864185A7/en

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)

FI864185A 1985-10-17 1986-10-16 A threaded connection used in conjunction with impact drilling. FI864185A7 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8504842A SE8504842L (en)	1985-10-17	1985-10-17	DRILLING ROCK FOR BACKGROUND MOUNTING

Publications (3)

Publication Number	Publication Date
FI864185A0 FI864185A0 (en)	1986-10-16
FI864185L FI864185L (en)	1987-04-18
FI864185A7 true FI864185A7 (en)	1987-04-18

Family

ID=20361778

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI864185A FI864185A7 (en)	1985-10-17	1986-10-16	A threaded connection used in conjunction with impact drilling.

Country Status (8)

Country	Link
EP (1)	EP0220147A3 (en)
JP (1)	JPS62125192A (en)
CN (1)	CN86107149A (en)
AU (1)	AU6367286A (en)
BR (1)	BR8605070A (en)
FI (1)	FI864185A7 (en)
SE (1)	SE8504842L (en)
ZA (1)	ZA867682B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE514137C2 (en)	1998-03-24	2001-01-08	Sandvik Ab	Threaded joints for striking drilling, male and female part to be included in a threaded joint for striking drilling as well as method for manufacturing a product with a thread to be included in a threaded joint for striking drilling
GB2340148B (en) *	1998-07-30	2002-12-31	Boart Longyear Ltd	Tube rod
EP2845992B1 (en)	2013-09-09	2016-01-13	Sandvik Intellectual Property AB	Drill string with bend resistant coupling
EP3095955A1 (en) *	2015-05-22	2016-11-23	Sandvik Intellectual Property AB	Threaded coupling end for drill string component

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1645802A (en) *	1925-06-09	1927-10-18	Lewis F Davis	Deep-well pump-plunger attachment
US2005498A (en) *	1933-04-28	1935-06-18	Raymond S Hart	Detachable bit for rock drills
US2979993A (en) *	1956-04-17	1961-04-18	Sandvikens Jernverks Ab	Rock drill bit and method of manufacturing same
US3542406A (en) *	1969-03-26	1970-11-24	Ideal Ind	Connector and method
US4397484A (en) *	1982-04-16	1983-08-09	Mobil Oil Corporation	Locking coupling system
SE469602B (en) *	1985-04-04	1993-08-02	Sandvik Ab	CUTTING HEAD BEFORE SHOCK DRILLING

1985
- 1985-10-17 SE SE8504842A patent/SE8504842L/en not_active Application Discontinuation
1986
- 1986-10-08 EP EP86850341A patent/EP0220147A3/en not_active Withdrawn
- 1986-10-08 AU AU63672/86A patent/AU6367286A/en not_active Abandoned
- 1986-10-08 ZA ZA867682A patent/ZA867682B/en unknown
- 1986-10-16 JP JP61244294A patent/JPS62125192A/en active Pending
- 1986-10-16 BR BR8605070A patent/BR8605070A/en unknown
- 1986-10-16 FI FI864185A patent/FI864185A7/en not_active Application Discontinuation
- 1986-10-16 CN CN198686107149A patent/CN86107149A/en active Pending

Also Published As

Publication number	Publication date
SE8504842D0 (en)	1985-10-17
FI864185L (en)	1987-04-18
EP0220147A2 (en)	1987-04-29
ZA867682B (en)	1987-05-27
CN86107149A (en)	1987-05-20
JPS62125192A (en)	1987-06-06
FI864185A0 (en)	1986-10-16
AU6367286A (en)	1987-04-30
SE8504842L (en)	1987-04-18
EP0220147A3 (en)	1988-11-17
BR8605070A (en)	1987-07-21

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Legal Events

Date	Code	Title	Description
2004-08-31	FA	Application withdrawn [patent]	Owner name: SANTRADE LIMITED