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
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9723373U JPS548082Y2 (xx) | 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 |
US406482A US3894590A (en) | 1972-10-16 | 1973-10-15 | Drilling system |
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. |
AT875573A AT327845B (de) | 1972-10-16 | 1973-10-15 | Bohrvorrichtung |
DE2351742A DE2351742C3 (de) | 1972-10-16 | 1973-10-15 | Durch einen Rohrstrang absenkbare Bohreinrichtung und Fangvorrichtung dafür |
SE7313975A SE407255B (sv) | 1972-10-16 | 1973-10-15 | Borrsystem |
CA183,405A CA982114A (en) | 1972-10-16 | 1973-10-15 | Drilling system and method of pulling it up |
NO733983A NO142228C (no) | 1972-10-16 | 1973-10-15 | Boreinnretning og fremgangsmaate til aa trekke opp innretningens skjaereorganer |
FR7336837A FR2203016B1 (xx) | 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 (xx) | 1973-08-21 | 1973-08-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5042004U JPS5042004U (xx) | 1975-04-28 |
JPS548082Y2 true JPS548082Y2 (xx) | 1979-04-14 |
Family
ID=28296510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9723373U Expired JPS548082Y2 (xx) | 1972-10-16 | 1973-08-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS548082Y2 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52134558A (en) * | 1976-05-06 | 1977-11-10 | Nhk Spring Co Ltd | Lifting table |
-
1973
- 1973-08-21 JP JP9723373U patent/JPS548082Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5042004U (xx) | 1975-04-28 |