NO841323L - Fjellbor - Google Patents
FjellborInfo
- Publication number
- NO841323L NO841323L NO841323A NO841323A NO841323L NO 841323 L NO841323 L NO 841323L NO 841323 A NO841323 A NO 841323A NO 841323 A NO841323 A NO 841323A NO 841323 L NO841323 L NO 841323L
- Authority
- NO
- Norway
- Prior art keywords
- cam inserts
- rock drill
- inserts
- front surface
- caliber
- Prior art date
Links
- 239000011435 rock Substances 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 238000009527 percussion Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000712 Boron steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 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
- E21B10/56—Button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Electrophonic Musical Instruments (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electrotherapy Devices (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Surgical Instruments (AREA)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8301860A SE448108C (sv) | 1983-04-05 | 1983-04-05 | Bergborr foer slagborrning av mindre haal innefattande snedstaellda periferistift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO841323L true NO841323L (no) | 1984-10-08 |
Family
ID=20350658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO841323A NO841323L (no) | 1983-04-05 | 1984-04-04 | Fjellbor |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4572307A (sv) |
| EP (1) | EP0122242B1 (sv) |
| JP (1) | JPS59185284A (sv) |
| AT (1) | ATE27845T1 (sv) |
| AU (1) | AU568347B2 (sv) |
| BR (1) | BR8401506A (sv) |
| CA (1) | CA1214158A (sv) |
| DE (1) | DE3464273D1 (sv) |
| FI (1) | FI79173C (sv) |
| IE (1) | IE55588B1 (sv) |
| NO (1) | NO841323L (sv) |
| SE (1) | SE448108C (sv) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8501698L (sv) * | 1985-04-04 | 1986-10-05 | Santrade Ltd | Borrkrona |
| US4694918A (en) * | 1985-04-29 | 1987-09-22 | Smith International, Inc. | Rock bit with diamond tip inserts |
| DE3545758A1 (de) * | 1985-12-21 | 1987-06-25 | Wengeler & Kalthoff Hammerwerk | Bohrer zum aufbohren der abstichloecher von hochoefen |
| US4716976A (en) * | 1986-10-28 | 1988-01-05 | Kennametal Inc. | Rotary percussion drill bit |
| SE503325C2 (sv) * | 1990-03-26 | 1996-05-28 | Sandvik Ab | Borrkrona |
| SE509280C2 (sv) * | 1994-10-12 | 1999-01-11 | Sandvik Ab | Stift av hårdmetall och bergborrkrona för slående borrning |
| AT265U3 (de) * | 1995-01-18 | 1996-01-25 | Techmo Entw & Vertriebs Gmbh | Bohrkrone |
| US5535839A (en) * | 1995-06-07 | 1996-07-16 | Brady; William J. | Roof drill bit with radial domed PCD inserts |
| US6918455B2 (en) * | 1997-06-30 | 2005-07-19 | Smith International | Drill bit with large inserts |
| US5947215A (en) * | 1997-11-06 | 1999-09-07 | Sandvik Ab | Diamond enhanced rock drill bit for percussive drilling |
| EP1548010A4 (en) | 2002-09-05 | 2007-08-01 | Toray Finechemicals Co Ltd | PROCESS FOR PRODUCING OXYCARBONYL SUBSTITUTED PIPERAZINE DERIVATIVE |
| EP2642063A1 (en) | 2012-03-22 | 2013-09-25 | Sandvik Intellectual Property AB | A drill bit for percussive drilling |
| JP1569589S (sv) * | 2016-07-14 | 2017-02-20 | ||
| JP1569599S (sv) * | 2016-07-14 | 2017-02-20 | ||
| JP1569597S (sv) * | 2016-07-14 | 2017-02-20 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2689109A (en) * | 1948-04-30 | 1954-09-14 | Joy Mfg Co | Rock drill bit |
| US2725216A (en) * | 1951-07-20 | 1955-11-29 | Philip B Brown | Drilling bit |
| FR1343814A (fr) * | 1962-10-26 | 1963-11-22 | Ver Werkzeug Und Besteckfabrik | Couronne de sondage pour forer la roche par percussion |
| US3997011A (en) * | 1975-05-27 | 1976-12-14 | Staroba Otto R | Button drill bit structure |
| SU607972A1 (ru) * | 1976-07-02 | 1978-05-25 | Государственный Проектно-Конструкторский И Экспериментальный Институт По Обогатительному "Гипромашобогащение" | Бурова коронка |
| US4296825A (en) * | 1977-11-25 | 1981-10-27 | Sandvik Aktiebolag | Rock drill |
| US4304312A (en) * | 1980-01-11 | 1981-12-08 | Sandvik Aktiebolag | Percussion drill bit having centrally projecting insert |
| AU536381B2 (en) * | 1980-03-26 | 1984-05-03 | Sandvik Ab | Drill tool |
-
1983
- 1983-04-05 SE SE8301860A patent/SE448108C/sv not_active IP Right Cessation
-
1984
- 1984-03-16 AT AT84850086T patent/ATE27845T1/de not_active IP Right Cessation
- 1984-03-16 EP EP84850086A patent/EP0122242B1/en not_active Expired
- 1984-03-16 DE DE8484850086T patent/DE3464273D1/de not_active Expired
- 1984-03-21 CA CA000450151A patent/CA1214158A/en not_active Expired
- 1984-03-21 US US06/591,783 patent/US4572307A/en not_active Expired - Fee Related
- 1984-03-23 AU AU26037/84A patent/AU568347B2/en not_active Expired - Fee Related
- 1984-03-29 FI FI841256A patent/FI79173C/sv not_active IP Right Cessation
- 1984-04-02 BR BR8401506A patent/BR8401506A/pt unknown
- 1984-04-03 JP JP59065293A patent/JPS59185284A/ja active Pending
- 1984-04-04 NO NO841323A patent/NO841323L/no unknown
- 1984-04-04 IE IE827/84A patent/IE55588B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI841256A (fi) | 1984-10-06 |
| AU568347B2 (en) | 1987-12-24 |
| BR8401506A (pt) | 1984-11-13 |
| EP0122242A1 (en) | 1984-10-17 |
| IE55588B1 (en) | 1990-11-07 |
| ATE27845T1 (de) | 1987-07-15 |
| SE8301860D0 (sv) | 1983-04-05 |
| AU2603784A (en) | 1984-10-11 |
| FI79173B (fi) | 1989-07-31 |
| JPS59185284A (ja) | 1984-10-20 |
| IE840827L (en) | 1984-10-05 |
| DE3464273D1 (en) | 1987-07-23 |
| FI79173C (sv) | 1989-11-10 |
| US4572307A (en) | 1986-02-25 |
| SE448108C (sv) | 1989-08-14 |
| FI841256A0 (fi) | 1984-03-29 |
| SE8301860L (sv) | 1984-10-06 |
| CA1214158A (en) | 1986-11-18 |
| SE448108B (sv) | 1987-01-19 |
| EP0122242B1 (en) | 1987-06-16 |
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