DE9003025U1 - - Google Patents
Info
- Publication number
- DE9003025U1 DE9003025U1 DE9003025U DE9003025U DE9003025U1 DE 9003025 U1 DE9003025 U1 DE 9003025U1 DE 9003025 U DE9003025 U DE 9003025U DE 9003025 U DE9003025 U DE 9003025U DE 9003025 U1 DE9003025 U1 DE 9003025U1
- Authority
- DE
- Germany
- 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 - Lifetime
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9003025U DE9003025U1 (zh) | 1990-03-13 | 1990-03-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9003025U DE9003025U1 (zh) | 1990-03-13 | 1990-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9003025U1 true DE9003025U1 (zh) | 1990-06-07 |
Family
ID=6851982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9003025U Expired - Lifetime DE9003025U1 (zh) | 1990-03-13 | 1990-03-13 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9003025U1 (zh) |
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1990
- 1990-03-13 DE DE9003025U patent/DE9003025U1/de not_active Expired - Lifetime