BE482734A - - Google Patents
Info
- Publication number
- BE482734A BE482734A BE482734DA BE482734A BE 482734 A BE482734 A BE 482734A BE 482734D A BE482734D A BE 482734DA BE 482734 A BE482734 A BE 482734A
- Authority
- BE
- Belgium
- Prior art keywords
- housing
- rod
- side wall
- edges
- slots
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 13
- 238000009527 percussion Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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
- 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
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE482734A true BE482734A (cs) |
Family
ID=129333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE482734D BE482734A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE482734A (cs) |
-
0
- BE BE482734D patent/BE482734A/fr unknown
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