IT944656B - Manicotto di unione per aste di trivellazione - Google Patents

Manicotto di unione per aste di trivellazione

Info

Publication number
IT944656B
IT944656B IT33230/71A IT3323071A IT944656B IT 944656 B IT944656 B IT 944656B IT 33230/71 A IT33230/71 A IT 33230/71A IT 3323071 A IT3323071 A IT 3323071A IT 944656 B IT944656 B IT 944656B
Authority
IT
Italy
Prior art keywords
drilling rods
union sleeve
union
sleeve
drilling
Prior art date
Application number
IT33230/71A
Other languages
English (en)
Original Assignee
Sandvikens Jernverks 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 Sandvikens Jernverks Ab filed Critical Sandvikens Jernverks Ab
Application granted granted Critical
Publication of IT944656B publication Critical patent/IT944656B/it

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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Pens And Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)
IT33230/71A 1971-01-07 1971-12-31 Manicotto di unione per aste di trivellazione IT944656B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10456071A 1971-01-07 1971-01-07

Publications (1)

Publication Number Publication Date
IT944656B true IT944656B (it) 1973-04-20

Family

ID=22301119

Family Applications (1)

Application Number Title Priority Date Filing Date
IT33230/71A IT944656B (it) 1971-01-07 1971-12-31 Manicotto di unione per aste di trivellazione

Country Status (15)

Country Link
JP (1) JPS554912B1 (it)
AT (1) AT313828B (it)
AU (1) AU467200B2 (it)
BR (1) BR7200085D0 (it)
CA (1) CA938118A (it)
CH (1) CH533758A (it)
DE (1) DE2200514C3 (it)
ES (1) ES398631A1 (it)
FI (1) FI59848C (it)
FR (1) FR2121657B1 (it)
GB (1) GB1367711A (it)
IT (1) IT944656B (it)
NO (1) NO134763C (it)
SE (1) SE388240B (it)
ZA (1) ZA718696B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8522797D0 (en) * 1985-09-14 1985-10-16 Davidson R Tow bar
DE19541163A1 (de) * 1995-11-04 1997-05-07 Hawera Probst Kg Hartmetall Bohrwerkzeug, insbesondere zur Bearbeitung von Gestein
DE50006322D1 (de) 2000-03-16 2004-06-09 Naimer H L Schalter
AT505072B1 (de) 2007-04-13 2009-02-15 Alwag Tunnelausbau Gmbh Verfahren und vorrichtung zum sichern eines mit einem aussengewinde versehenen gegenstands
WO2010085829A2 (de) 2009-01-27 2010-08-05 Dywidag-Systems International Gmbh Vorrichtung zum koppeln von zwei rohrartigen elementen

Also Published As

Publication number Publication date
BR7200085D0 (pt) 1973-05-10
SE388240B (sv) 1976-09-27
FR2121657B1 (it) 1974-06-21
GB1367711A (en) 1974-09-18
AT313828B (de) 1974-03-11
FR2121657A1 (it) 1972-08-25
DE2200514B2 (de) 1973-04-19
AU3757072A (en) 1973-07-05
DE2200514C3 (de) 1973-11-08
FI59848C (fi) 1981-10-12
CA938118A (en) 1973-12-11
ZA718696B (en) 1972-09-27
AU467200B2 (en) 1975-11-27
DE2200514A1 (de) 1972-07-20
ES398631A1 (es) 1975-05-16
CH533758A (de) 1973-02-15
NO134763B (it) 1976-08-30
FI59848B (fi) 1981-06-30
NO134763C (it) 1976-12-08
JPS554912B1 (it) 1980-02-01

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