FI772577A - Bett foer stenborr - Google Patents
Bett foer stenborrInfo
- Publication number
- FI772577A FI772577A FI772577A FI772577A FI772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A
- Authority
- FI
- Finland
- Prior art keywords
- stenborr
- bett
- foer
- foer stenborr
- bett foer
- Prior art date
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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/58—Chisel-type inserts
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)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL1976192149A PL119181B1 (en) | 1976-08-31 | 1976-08-31 | Drill-bit for drilling bore-holes in rocks |
Publications (1)
Publication Number | Publication Date |
---|---|
FI772577A true FI772577A (fi) | 1978-03-01 |
Family
ID=19978405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI772577A FI772577A (fi) | 1976-08-31 | 1977-08-30 | Bett foer stenborr |
Country Status (8)
Country | Link |
---|---|
US (1) | US4185708A (fi) |
JP (1) | JPS5329203A (fi) |
CA (1) | CA1059114A (fi) |
DE (1) | DE2735855C3 (fi) |
FI (1) | FI772577A (fi) |
PL (1) | PL119181B1 (fi) |
SE (1) | SE7709740L (fi) |
ZA (1) | ZA774868B (fi) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538442B1 (fr) * | 1982-12-23 | 1986-02-28 | Charbonnages De France | Taillant pour foration rotative assistee par jet |
US5373900A (en) | 1988-04-15 | 1994-12-20 | Baker Hughes Incorporated | Downhole milling tool |
WO1998035126A1 (en) * | 1997-02-10 | 1998-08-13 | American Tool Companies A/S | A method of mounting a cutting member in a tool body |
JP3961959B2 (ja) | 2001-05-17 | 2007-08-22 | アトラス・コプコ・マイ・ゲーエムベーハー | ドリルビット |
DE102006000081A1 (de) * | 2006-02-20 | 2007-08-23 | Hilti Ag | Gesteinsbohrkopf |
DE102006045918A1 (de) * | 2006-09-28 | 2008-04-03 | Robert Bosch Gmbh | Gesteinsbohrer |
US20160273272A1 (en) * | 2012-12-17 | 2016-09-22 | Groupe Fordia Inc. | Drill bit |
CN110145239B (zh) * | 2019-05-20 | 2021-03-09 | 中国地质大学(北京) | 钻探用镶齿、牙轮钻头及钻探用镶齿的加工方法 |
EP4239159A1 (en) * | 2022-03-04 | 2023-09-06 | Sandvik Mining and Construction Tools AB | Central flushing channel comprising id marker |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2101376A (en) * | 1934-10-09 | 1937-12-07 | Wallramit Handel Mij Nv | Percussive boring tool |
US2494188A (en) * | 1945-10-17 | 1950-01-10 | Juan M Meaney | Detachable rock drill bit with replaceable cutters |
US2650071A (en) * | 1950-03-10 | 1953-08-25 | Central Mine Equipment Company | Mining drill |
US3140749A (en) * | 1958-12-05 | 1964-07-14 | Dionisotti Joseph | Wedge inserts for drill bit |
US4026372A (en) * | 1974-03-21 | 1977-05-31 | Padley & Venables Limited | Drill bits |
-
1976
- 1976-08-31 PL PL1976192149A patent/PL119181B1/pl not_active IP Right Cessation
-
1977
- 1977-07-03 US US05/814,117 patent/US4185708A/en not_active Expired - Lifetime
- 1977-08-09 DE DE2735855A patent/DE2735855C3/de not_active Expired
- 1977-08-11 ZA ZA00774868A patent/ZA774868B/xx unknown
- 1977-08-22 JP JP10037477A patent/JPS5329203A/ja active Pending
- 1977-08-29 CA CA285,699A patent/CA1059114A/en not_active Expired
- 1977-08-30 SE SE7709740A patent/SE7709740L/xx unknown
- 1977-08-30 FI FI772577A patent/FI772577A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
PL192149A1 (pl) | 1978-03-13 |
US4185708A (en) | 1980-01-29 |
CA1059114A (en) | 1979-07-24 |
DE2735855A1 (de) | 1978-03-02 |
PL119181B1 (en) | 1981-12-31 |
DE2735855B2 (de) | 1979-10-04 |
DE2735855C3 (de) | 1980-06-19 |
ZA774868B (en) | 1978-06-28 |
JPS5329203A (en) | 1978-03-18 |
SE7709740L (sv) | 1978-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: AKADEMIA GORNICZO-HUTNICZA |