JPS548082Y2 - - Google Patents

Info

Publication number
JPS548082Y2
JPS548082Y2 JP9723373U JP9723373U JPS548082Y2 JP S548082 Y2 JPS548082 Y2 JP S548082Y2 JP 9723373 U JP9723373 U JP 9723373U JP 9723373 U JP9723373 U JP 9723373U JP S548082 Y2 JPS548082 Y2 JP S548082Y2
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
JP9723373U
Other languages
Japanese (ja)
Other versions
JPS5042004U (enrdf_load_stackoverflow
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 JP9723373U priority Critical patent/JPS548082Y2/ja
Priority to GB1794876A priority patent/GB1452752A/en
Priority to GB4779273A priority patent/GB1452751A/en
Priority to NO733983A priority patent/NO142228C/no
Priority to NL7314158.A priority patent/NL159164B/xx
Priority to CA183,405A priority patent/CA982114A/en
Priority to AT875573A priority patent/AT327845B/de
Priority to SE7313975A priority patent/SE407255B/xx
Priority to US406482A priority patent/US3894590A/en
Priority to DE2351742A priority patent/DE2351742C3/de
Priority to FR7336837A priority patent/FR2203016B1/fr
Priority to IT5343273A priority patent/IT1032039B/it
Publication of JPS5042004U publication Critical patent/JPS5042004U/ja
Priority to SE7707003A priority patent/SE424757B/xx
Application granted granted Critical
Publication of JPS548082Y2 publication Critical patent/JPS548082Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9723373U 1972-10-16 1973-08-21 Expired JPS548082Y2 (enrdf_load_stackoverflow)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP9723373U JPS548082Y2 (enrdf_load_stackoverflow) 1973-08-21 1973-08-21
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
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.
CA183,405A CA982114A (en) 1972-10-16 1973-10-15 Drilling system and method of pulling it up
AT875573A AT327845B (de) 1972-10-16 1973-10-15 Bohrvorrichtung
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
US406482A US3894590A (en) 1972-10-16 1973-10-15 Drilling system
DE2351742A DE2351742C3 (de) 1972-10-16 1973-10-15 Durch einen Rohrstrang absenkbare Bohreinrichtung und Fangvorrichtung dafür
FR7336837A FR2203016B1 (enrdf_load_stackoverflow) 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
JP9723373U JPS548082Y2 (enrdf_load_stackoverflow) 1973-08-21 1973-08-21

Publications (2)

Publication Number Publication Date
JPS5042004U JPS5042004U (enrdf_load_stackoverflow) 1975-04-28
JPS548082Y2 true JPS548082Y2 (enrdf_load_stackoverflow) 1979-04-14

Family

ID=28296510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9723373U Expired JPS548082Y2 (enrdf_load_stackoverflow) 1972-10-16 1973-08-21

Country Status (1)

Country Link
JP (1) JPS548082Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134558A (en) * 1976-05-06 1977-11-10 Nhk Spring Co Ltd Lifting table

Also Published As

Publication number Publication date
JPS5042004U (enrdf_load_stackoverflow) 1975-04-28

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