NO119818B - - Google Patents
Download PDFInfo
- Publication number
- NO119818B NO119818B NO16820467A NO16820467A NO119818B NO 119818 B NO119818 B NO 119818B NO 16820467 A NO16820467 A NO 16820467A NO 16820467 A NO16820467 A NO 16820467A NO 119818 B NO119818 B NO 119818B
- Authority
- NO
- Norway
- Prior art keywords
- layer
- grain size
- average grain
- cutting edge
- layers
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 11
- 150000002739 metals Chemical class 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000013601 eggs Nutrition 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 241001137251 Corvidae Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO16820467A NO119818B (de) | 1967-05-18 | 1967-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO16820467A NO119818B (de) | 1967-05-18 | 1967-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO119818B true NO119818B (de) | 1970-07-06 |
Family
ID=19910065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO16820467A NO119818B (de) | 1967-05-18 | 1967-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO119818B (de) |
-
1967
- 1967-05-18 NO NO16820467A patent/NO119818B/no unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0462091B1 (de) | Werkzeuge für Dreh- und Schlagbohren mit einer Diamantschicht | |
| US5217081A (en) | Tools for cutting rock drilling | |
| EP0411831B1 (de) | Schneidelement für Drehbohrmeissel mit mehrschichtiger Schneidoberfläche | |
| US5154245A (en) | Diamond rock tools for percussive and rotary crushing rock drilling | |
| US9447642B2 (en) | Polycrystalline diamond material with high toughness and high wear resistance | |
| US4722405A (en) | Wear compensating rock bit insert | |
| US20170037687A1 (en) | Highly wear resistant diamond insert with improved transition structure | |
| EP1236861A1 (de) | Fräs- und Bohrmeissel | |
| NO326453B1 (no) | Borkrone | |
| US20110031032A1 (en) | Diamond transition layer construction with improved thickness ratio | |
| US20110031029A1 (en) | Cutting element placement on a fixed cutter drill bit to reduce diamond table fracture | |
| WO2010126817A4 (en) | Bearing blocks for drill bits, drill bit assemblies including bearing blocks and related methods | |
| CA2776780A1 (en) | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | |
| IE64557B1 (en) | Drill bit with cemented carbide inserts | |
| PL171784B1 (pl) | Koronka wiertnicza PL | |
| SA110310370B1 (ar) | لقمة حفر هجينة | |
| EP3042022A1 (de) | Bohrmeissel mit fugen- und schermessern | |
| US10323462B2 (en) | Stabilizer-reamer for drill string | |
| NO117456B (de) | ||
| US2522045A (en) | Bit for rock drilling | |
| CA2790670C (en) | Fluted cutter element and method of application | |
| US6244364B1 (en) | Earth-boring bit having cobalt/tungsten carbide inserts | |
| WO2010019834A2 (en) | Bit cone with hardfaced nose | |
| NO117509B (de) | ||
| CN104963632B (zh) | 一种能够预防脱齿的固定切削齿钻头 |