FR2292809B1 - - Google Patents

Info

Publication number
FR2292809B1
FR2292809B1 FR7536105A FR7536105A FR2292809B1 FR 2292809 B1 FR2292809 B1 FR 2292809B1 FR 7536105 A FR7536105 A FR 7536105A FR 7536105 A FR7536105 A FR 7536105A FR 2292809 B1 FR2292809 B1 FR 2292809B1
Authority
FR
France
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.)
Expired
Application number
FR7536105A
Other languages
French (fr)
Other versions
FR2292809A1 (en
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.)
Leffer Stahl & App
Original Assignee
Leffer Stahl & App
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 Leffer Stahl & App filed Critical Leffer Stahl & App
Publication of FR2292809A1 publication Critical patent/FR2292809A1/en
Application granted granted Critical
Publication of FR2292809B1 publication Critical patent/FR2292809B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Piles And Underground Anchors (AREA)
  • Earth Drilling (AREA)
FR7536105A 1974-11-26 1975-11-26 REMOVABLE FIXING PROCESS OF STEEL BACKING RINGS FOR ADJUSTING BOLTS FOR CONNECTING DRILL TUBES Granted FR2292809A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2455799A DE2455799C3 (en) 1974-11-26 1974-11-26 Method for fastening and loosening steel seat rings arranged in locating bores

Publications (2)

Publication Number Publication Date
FR2292809A1 FR2292809A1 (en) 1976-06-25
FR2292809B1 true FR2292809B1 (en) 1982-08-06

Family

ID=5931729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536105A Granted FR2292809A1 (en) 1974-11-26 1975-11-26 REMOVABLE FIXING PROCESS OF STEEL BACKING RINGS FOR ADJUSTING BOLTS FOR CONNECTING DRILL TUBES

Country Status (5)

Country Link
AT (1) AT339828B (en)
CH (1) CH593415A5 (en)
DE (1) DE2455799C3 (en)
FR (1) FR2292809A1 (en)
GB (1) GB1484970A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT346792B (en) * 1977-04-19 1978-11-27 Aufschlaeger Kg Ferd PIPE CONNECTION, IN PARTICULAR FOR DRILL PIPES
DE3760820D1 (en) * 1986-02-05 1989-11-23 Geissler & Kuper Gmbh Coupling, especially for a diamond drill bit with a tube shaft and tube winding connection
DE4032928C2 (en) * 1990-10-17 1993-11-25 Leffer Stahl & App Pipe connection for drill pipes
DE4402202A1 (en) * 1994-01-26 1995-07-27 Bauer Spezialtiefbau Drill pipe with connecting sleeves attached on one or both ends
AT12766U1 (en) * 2011-09-08 2012-11-15 Remtech Bohrtechnik Gmbh METHOD AND DEVICE FOR DRILLING, IN PARTICULAR FITTING OR TORQUE DRILLING, OF HOLES IN GROUND OR ROCK MATERIAL AND CONNECTING ELEMENT FOR A DRILLING ROD
CN107009089A (en) * 2017-06-01 2017-08-04 杨水红 A kind of sewage disposal motor is socketed the servicing unit of heat-shrinkable tube with bolt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267339A (en) * 1938-09-19 1941-12-23 Henry M Paulsen Method of joining tubes, rods, or the like
FR2084317A5 (en) * 1970-03-10 1971-12-17 Polska Akademia Nauk Instytut
DE2165827C3 (en) * 1971-12-31 1975-01-09 Bade & Co Gmbh, 3160 Lehrte Pipe connection for drill pipes
DE7213158U (en) * 1972-04-08 1972-08-31 Leffer H Gmbh
DE2242928A1 (en) * 1972-08-31 1974-03-14 Licentia Gmbh CONNECTION OF TWO PIPES OR TUBE-SHAPED HOUSING

Also Published As

Publication number Publication date
DE2455799C3 (en) 1981-02-19
DE2455799B2 (en) 1978-01-19
GB1484970A (en) 1977-09-08
DE2455799A1 (en) 1976-08-12
CH593415A5 (en) 1977-11-30
FR2292809A1 (en) 1976-06-25
AT339828B (en) 1977-11-10
ATA883575A (en) 1977-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse