SU415362A1 - - Google Patents

Info

Publication number
SU415362A1
SU415362A1 SU1751005A SU1751005A SU415362A1 SU 415362 A1 SU415362 A1 SU 415362A1 SU 1751005 A SU1751005 A SU 1751005A SU 1751005 A SU1751005 A SU 1751005A SU 415362 A1 SU415362 A1 SU 415362A1
Authority
SU
USSR - Soviet Union
Prior art keywords
tool
drilling
rod
locking device
telescopic rod
Prior art date
Application number
SU1751005A
Other languages
English (en)
Russian (ru)
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 filed Critical
Priority to SU1751005A priority Critical patent/SU415362A1/ru
Application granted granted Critical
Publication of SU415362A1 publication Critical patent/SU415362A1/ru

Links

Landscapes

  • Earth Drilling (AREA)
SU1751005A 1972-02-23 1972-02-23 SU415362A1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1751005A SU415362A1 (enExample) 1972-02-23 1972-02-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1751005A SU415362A1 (enExample) 1972-02-23 1972-02-23

Publications (1)

Publication Number Publication Date
SU415362A1 true SU415362A1 (enExample) 1974-02-15

Family

ID=20504057

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1751005A SU415362A1 (enExample) 1972-02-23 1972-02-23

Country Status (1)

Country Link
SU (1) SU415362A1 (enExample)

Similar Documents

Publication Publication Date Title
US1747117A (en) Method of making multiple diameter cut tools
GB1447649A (en) Well tools
US3865502A (en) Tool extension
ES8106788A1 (es) Martillo perforador de roca
GB1263965A (en) Improvements in or relating to core drilling apparatus for use in earth boring
ES475124A1 (es) Aparato para excavar agujeros en el suelo que incluye una herramienta cilindrica de sondeo
IE39807L (en) Extension equipment for percussive drilling machines.
SU415362A1 (enExample)
GB1166923A (en) Drill bit with an eccentric cutting edge portion
US1760354A (en) Rock-drilling mechanism
GB1437420A (en) Method and apparatus for drilling in an earth formation
GB1170609A (en) A Drill Device for Drilling Earth and Rock
US2324956A (en) Borehole tool
DE2657849A1 (de) Unterschneider
GB2003211A (en) Sinking cased boreholes
SU1514942A1 (ru) Устройство дл бурени горных выработок
DE2155540B2 (de) Vorrichtung zum Überlagerungsbohren
US1962961A (en) Apparatus for drilling well casings
US3809432A (en) Rotary tool head for a continuous boring machine
GB1378712A (en) Cutter bit
SU945354A1 (ru) Устройство дл бурени шпуров с профильными углублени ми
GB1275443A (en) Improvements in or relating to percussion drills
GB1242052A (en) Percussive rock drilling apparatus
RU237380U1 (ru) Щеленарезное устройство для образования поперечных полостей в пробуренной скважине
NO117138B (enExample)