SE357233B - - Google Patents
Info
- Publication number
- SE357233B SE357233B SE14273A SE14273A SE357233B SE 357233 B SE357233 B SE 357233B SE 14273 A SE14273 A SE 14273A SE 14273 A SE14273 A SE 14273A SE 357233 B SE357233 B SE 357233B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
- E21B7/146—Thermal lances
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH428369A CH480153A (de) | 1969-03-21 | 1969-03-21 | Brennrohr zum thermischen Bohren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE357233B true SE357233B (de) | 1973-06-18 |
Family
ID=4273215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE14273A SE357233B (de) | 1969-03-21 | 1970-02-20 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH480153A (de) |
| GB (1) | GB1273504A (de) |
| SE (1) | SE357233B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1957510C2 (de) * | 1969-11-15 | 1982-04-22 | Robert Bosch Gmbh, 7000 Stuttgart | Handgeführtes Schlagbohrgerät |
| CL2014000034A1 (es) * | 2014-01-07 | 2014-10-03 | Trefimet S A | Lanza termica para perforar y/o cortar por fusion cualquier material, comprende al menos 4 perfiles tubulares, uno exterior y tres interiores, y mas de 17 cavidades al interior de la lanza, al menos 2 de los 4 perfiles tubulares tienen secciones transversales diferentes y los perfiles se ubican en forma contigua; y uso de la lanza. |
-
1969
- 1969-03-21 CH CH428369A patent/CH480153A/de not_active IP Right Cessation
-
1970
- 1970-02-04 GB GB530470A patent/GB1273504A/en not_active Expired
- 1970-02-20 SE SE14273A patent/SE357233B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH480153A (de) | 1969-10-31 |
| GB1273504A (en) | 1972-05-10 |