BE429306A - - Google Patents
Info
- Publication number
- BE429306A BE429306A BE429306DA BE429306A BE 429306 A BE429306 A BE 429306A BE 429306D A BE429306D A BE 429306DA BE 429306 A BE429306 A BE 429306A
- Authority
- BE
- Belgium
- Prior art keywords
- teeth
- crown
- support forming
- desc
- shape
- Prior art date
Links
- 239000010432 diamond Substances 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000004922 lacquer Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 229910001347 Stellite Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429306A true BE429306A (de) |
Family
ID=89520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429306D BE429306A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE429306A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0352546A3 (de) * | 1988-07-25 | 1991-03-13 | HILTI Aktiengesellschaft | Hohlbohrwerkzeug |
-
0
- BE BE429306D patent/BE429306A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0352546A3 (de) * | 1988-07-25 | 1991-03-13 | HILTI Aktiengesellschaft | Hohlbohrwerkzeug |
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