JPS5213763B2 - - Google Patents

Info

Publication number
JPS5213763B2
JPS5213763B2 JP8852073A JP8852073A JPS5213763B2 JP S5213763 B2 JPS5213763 B2 JP S5213763B2 JP 8852073 A JP8852073 A JP 8852073A JP 8852073 A JP8852073 A JP 8852073A JP S5213763 B2 JPS5213763 B2 JP S5213763B2
Authority
JP
Japan
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
JP8852073A
Other languages
Japanese (ja)
Other versions
JPS5038603A (de
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 JP8852073A priority Critical patent/JPS5213763B2/ja
Priority to GB4779273A priority patent/GB1452751A/en
Priority to GB1794876A priority patent/GB1452752A/en
Priority to NO733983A priority patent/NO142228C/no
Priority to CA183,405A priority patent/CA982114A/en
Priority to NL7314158.A priority patent/NL159164B/xx
Priority to US406482A priority patent/US3894590A/en
Priority to AT875573A priority patent/AT327845B/de
Priority to SE7313975A priority patent/SE407255B/xx
Priority to DE2351742A priority patent/DE2351742C3/de
Priority to FR7336837A priority patent/FR2203016B1/fr
Priority to IT5343273A priority patent/IT1032039B/it
Publication of JPS5038603A publication Critical patent/JPS5038603A/ja
Publication of JPS5213763B2 publication Critical patent/JPS5213763B2/ja
Priority to SE7707003A priority patent/SE424757B/xx
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8852073A 1972-10-16 1973-08-08 Expired JPS5213763B2 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP8852073A JPS5213763B2 (de) 1973-08-08 1973-08-08
GB4779273A GB1452751A (en) 1972-10-16 1973-10-12 Drilling system and method of pulling it up
GB1794876A GB1452752A (en) 1972-10-16 1973-10-12 Method of pulling-up the cutting head of drilling apparatus
AT875573A AT327845B (de) 1972-10-16 1973-10-15 Bohrvorrichtung
CA183,405A CA982114A (en) 1972-10-16 1973-10-15 Drilling system and method of pulling it up
NL7314158.A NL159164B (nl) 1972-10-16 1973-10-15 Boorsysteem met een boorpijp en een hierdoorheen verplaatsbaar, en in het ondereinde losneembaar vergrendelbaar boorbeitelsamenstel met een inwendige spoelvloeistofdoorvoer.
US406482A US3894590A (en) 1972-10-16 1973-10-15 Drilling system
NO733983A NO142228C (no) 1972-10-16 1973-10-15 Boreinnretning og fremgangsmaate til aa trekke opp innretningens skjaereorganer
SE7313975A SE407255B (sv) 1972-10-16 1973-10-15 Borrsystem
DE2351742A DE2351742C3 (de) 1972-10-16 1973-10-15 Durch einen Rohrstrang absenkbare Bohreinrichtung und Fangvorrichtung dafür
FR7336837A FR2203016B1 (de) 1972-10-16 1973-10-16
IT5343273A IT1032039B (it) 1972-11-20 1973-10-30 Sistema di perforazione e metodo per il sollevamento
SE7707003A SE424757B (sv) 1972-10-16 1977-06-16 Sett att draga ut en borrkrona ur ett borrhal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8852073A JPS5213763B2 (de) 1973-08-08 1973-08-08

Publications (2)

Publication Number Publication Date
JPS5038603A JPS5038603A (de) 1975-04-10
JPS5213763B2 true JPS5213763B2 (de) 1977-04-16

Family

ID=13945092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8852073A Expired JPS5213763B2 (de) 1972-10-16 1973-08-08

Country Status (1)

Country Link
JP (1) JPS5213763B2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486315U (de) * 1990-11-30 1992-07-27

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6425960A (en) * 1987-07-21 1989-01-27 Kanmeta Eng Kk Formation of corrosion preventing film withstanding acidic environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486315U (de) * 1990-11-30 1992-07-27

Also Published As

Publication number Publication date
JPS5038603A (de) 1975-04-10

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