SE193176C1 - - Google Patents

Info

Publication number
SE193176C1
SE193176C1 SE193176DA SE193176C1 SE 193176 C1 SE193176 C1 SE 193176C1 SE 193176D A SE193176D A SE 193176DA SE 193176 C1 SE193176 C1 SE 193176C1
Authority
SE
Sweden
Prior art keywords
sleeve
drill rod
welding
drill
recesses
Prior art date
Application number
Other languages
English (en)
Swedish (sv)
Publication date
Publication of SE193176C1 publication Critical patent/SE193176C1/sv

Links

Landscapes

  • Earth Drilling (AREA)
SE193176D SE193176C1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE193176T

Publications (1)

Publication Number Publication Date
SE193176C1 true SE193176C1 (de) 1964-01-01

Family

ID=41979318

Family Applications (1)

Application Number Title Priority Date Filing Date
SE193176D SE193176C1 (de)

Country Status (1)

Country Link
SE (1) SE193176C1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387775A (en) 1980-04-03 1983-06-14 Atlas Copco Aktiebolag Rock drilling apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387775A (en) 1980-04-03 1983-06-14 Atlas Copco Aktiebolag Rock drilling apparatus

Similar Documents

Publication Publication Date Title
SE1250531A1 (sv) Anordning och förfarande vid borrigg
SE440115B (sv) Bergborr for slagborrning med snedstellda periferistift
GB1129113A (en) Method of anchoring tie rods in the ground
CN101076651B (zh) 一种用于套管钻井的方法和钻井单元
US3144086A (en) Gang drill
SE193176C1 (de)
US3318401A (en) Auger head
MX2018012359A (es) Conexion de una tuberia a una estructura submarina.
SE470186B (sv) Teleskopiskt förlängbar borr
ES2033611T1 (es) Diente excavador para una barrena perforadora de la tierra.
ES2031521T3 (es) Lapiz mecanico giratorio de tipo impacto.
SE414955B (sv) Upprymningskrona for stigortsdrivning
US2956783A (en) Percussion drill
FI83691B (fi) Stoedanordning foer nackstycket i en borrmaskin.
SE540309C2 (sv) Anordning och förfarande vid bergborrning
US1468866A (en) Cutting chain
US2460294A (en) Target exchanger
US1697648A (en) Guide for working implements
SE464772B (sv) Tunnelborrningsmaskin
DE882083C (de) Fahrbares Bohrgeruest fuer den Vortrieb von Strecken
JP6697032B2 (ja) カッター刃及びコンクリートコアカッター
US2508160A (en) Marine propeller
CN202674527U (zh) 无扣快装拉杆
US840803A (en) Hammer-drill.
US403240A (en) Machine for boring and drilling