CH533758A - Bohrstangenverbindung - Google Patents

Bohrstangenverbindung

Info

Publication number
CH533758A
CH533758A CH23472A CH23472A CH533758A CH 533758 A CH533758 A CH 533758A CH 23472 A CH23472 A CH 23472A CH 23472 A CH23472 A CH 23472A CH 533758 A CH533758 A CH 533758A
Authority
CH
Switzerland
Prior art keywords
boring bar
bar connection
connection
boring
bar
Prior art date
Application number
CH23472A
Other languages
English (en)
Inventor
Lennart Johansson Ernst
Gosta Lumen Karl Lennart
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
Publication of CH533758A publication Critical patent/CH533758A/de

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)
CH23472A 1971-01-07 1972-01-07 Bohrstangenverbindung CH533758A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH533758A true CH533758A (de) 1973-02-15

Family

ID=22301119

Family Applications (1)

Application Number Title Priority Date Filing Date
CH23472A CH533758A (de) 1971-01-07 1972-01-07 Bohrstangenverbindung

Country Status (15)

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

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 (de) 1974-06-21
GB1367711A (en) 1974-09-18
AT313828B (de) 1974-03-11
FR2121657A1 (de) 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
IT944656B (it) 1973-04-20
ES398631A1 (es) 1975-05-16
NO134763B (de) 1976-08-30
FI59848B (fi) 1981-06-30
NO134763C (de) 1976-12-08
JPS554912B1 (de) 1980-02-01

Similar Documents

Publication Publication Date Title
BR7202811D0 (pt) Furadeira de percussao
AR196631A1 (es) Trepano de perforacion
AT327076B (de) Schlagbohrmaschine
AT315780B (de) Bohreinheit
BE789036A (fr) Agent de boruration
NL170764C (nl) Boorwerktuig.
SE392499B (sv) Borrhuvud
FI54714B (fi) Faergloes faergbildare foer anvaendning i tryckkaensliga kopieringssystem
IT942813B (it) Barra alesatrice regulabile
FI55046B (fi) Saett att aongreformera kolvaeten
FI53912B (fi) Saett att framstaella en expanderad aetlig proteinprodukt
SE382404B (sv) Borrverktyg
IT951068B (it) Tiadiazolidindioni sostituiti
AT328942B (de) Feuerfester keilstein
CH535084A (de) Ausdrehkopf
CH540401A (de) Schwemmaggregat
CH533758A (de) Bohrstangenverbindung
BE787269A (fr) Bouw- of constructieelement
AT309038B (de) Hohlblockstein
BE863199Q (fr) Construction
IT953776B (it) Barra alesatrice registrabile
SE400805B (sv) Borrmaskin
BE791013A (fr) Aminoalkyl-guanidines substituees
FI55765C (fi) Kosmetisk vaerdefulla i hudvaordsmedel anvaenda pyrrolidonkarboxylsyraalkylestrar
IT974096B (it) Composti fenilstilbeniltriazolici

Legal Events

Date Code Title Description
PUE Assignment

Owner name: SANTRADE LIMITED

PL Patent ceased