NO762130L - - Google Patents
Info
- Publication number
- NO762130L NO762130L NO762130A NO762130A NO762130L NO 762130 L NO762130 L NO 762130L NO 762130 A NO762130 A NO 762130A NO 762130 A NO762130 A NO 762130A NO 762130 L NO762130 L NO 762130L
- Authority
- NO
- Norway
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
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7507355A NL7507355A (nl) | 1975-06-20 | 1975-06-20 | Boorkop. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO762130L true NO762130L (bg) | 1976-12-21 |
| NO152521B NO152521B (no) | 1985-07-01 |
| NO152521C NO152521C (no) | 1985-10-09 |
Family
ID=19823989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO762130A NO152521C (no) | 1975-06-20 | 1976-06-18 | Fjellboreverktoey. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4084649A (bg) |
| JP (1) | JPS5916070B2 (bg) |
| DE (1) | DE2627553C3 (bg) |
| FR (1) | FR2316432A1 (bg) |
| GB (1) | GB1555251A (bg) |
| IT (1) | IT1066154B (bg) |
| NL (1) | NL7507355A (bg) |
| NO (1) | NO152521C (bg) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO176528C (no) * | 1992-02-17 | 1995-04-19 | Kverneland Klepp As | Anordning ved borekroner |
| CN102439258B (zh) * | 2009-05-08 | 2014-06-18 | 创斯科制造澳大利亚公司 | 钻孔设备和用于钻孔设备的连接装置 |
| US9234390B2 (en) * | 2009-06-30 | 2016-01-12 | Aktiebolaget Skf | Bearing assembly for rotary drills |
| US10036423B2 (en) | 2015-06-26 | 2018-07-31 | Forum Us, Inc. | Cage for double-row spherical bearing |
| DE102016201703B4 (de) | 2016-02-04 | 2022-02-10 | Ford Global Technologies, Llc | Verfahren zur Begrenzung und Verringerung einer mechanischen Belastung einer Dichtung einer selbstzündenden Brennkraftmaschine |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB287040A (en) * | 1927-03-12 | 1928-08-27 | Bridgeport Machine Company | Improvements in and relating to earth boring drills |
| US1792608A (en) * | 1929-10-10 | 1931-02-17 | Frederick H Schulenberg | Violin-string tightener |
| US1961819A (en) * | 1932-12-15 | 1934-06-05 | Costa John B De | Renewable rotary bit |
| US2065743A (en) * | 1935-03-26 | 1936-12-29 | Chicago Pneumatic Tool Co | Roller bit |
| US2075997A (en) * | 1935-06-25 | 1937-04-06 | Chicago Pneumatic Tool Co | Roller cutter, spindle and bearing assembly for earth boring drills |
| US2151347A (en) * | 1938-02-14 | 1939-03-21 | Rudolph Pageman | Rotary drill bit |
| DE726937C (de) * | 1940-05-09 | 1942-10-23 | Soeding & Halbach J C | Bohrer fuer Tiefbohrungen |
| US2339161A (en) * | 1942-07-21 | 1944-01-11 | Reed Roller Bit Co | Cone bit construction |
| GB610917A (en) * | 1946-04-09 | 1948-10-22 | George Herbert Lanchester | Improvements in rotary earth boring bits |
| GB725381A (en) * | 1952-05-14 | 1955-03-02 | Guszstahlwerk Bochumer Ver A G | An improved drill head for boring earth and rock |
| DE1019623B (de) * | 1956-02-13 | 1957-11-21 | Dipl Berging Albrecht Graefer | Bohrkopf |
| GB932205A (en) * | 1959-08-28 | 1963-07-24 | Padley & Venables Ltd | Improvements in or relating to earth and rock drilling bits |
| US3550972A (en) * | 1968-11-12 | 1970-12-29 | Lawrence Mfg Co | Rock bit assembly |
| US3601429A (en) * | 1969-06-19 | 1971-08-24 | Lawrence Mfg Co | Pilot cutter mounting assembly |
-
1975
- 1975-06-20 NL NL7507355A patent/NL7507355A/xx not_active Application Discontinuation
-
1976
- 1976-06-07 US US05/693,508 patent/US4084649A/en not_active Expired - Lifetime
- 1976-06-11 JP JP51067815A patent/JPS5916070B2/ja not_active Expired
- 1976-06-18 GB GB25443/76A patent/GB1555251A/en not_active Expired
- 1976-06-18 NO NO762130A patent/NO152521C/no unknown
- 1976-06-18 FR FR7618702A patent/FR2316432A1/fr active Granted
- 1976-06-19 DE DE2627553A patent/DE2627553C3/de not_active Expired
- 1976-06-21 IT IT50024/76A patent/IT1066154B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7507355A (nl) | 1976-12-22 |
| FR2316432A1 (fr) | 1977-01-28 |
| NO152521B (no) | 1985-07-01 |
| US4084649A (en) | 1978-04-18 |
| FR2316432B1 (bg) | 1980-07-25 |
| DE2627553C3 (de) | 1980-01-10 |
| NO152521C (no) | 1985-10-09 |
| GB1555251A (en) | 1979-11-07 |
| JPS5916070B2 (ja) | 1984-04-13 |
| IT1066154B (it) | 1985-03-04 |
| DE2627553B2 (de) | 1979-05-10 |
| DE2627553A1 (de) | 1977-01-13 |
| JPS522804A (en) | 1977-01-10 |