FR2175080B1 - - Google Patents
Info
- Publication number
- FR2175080B1 FR2175080B1 FR7307950A FR7307950A FR2175080B1 FR 2175080 B1 FR2175080 B1 FR 2175080B1 FR 7307950 A FR7307950 A FR 7307950A FR 7307950 A FR7307950 A FR 7307950A FR 2175080 B1 FR2175080 B1 FR 2175080B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
-
- 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
- E21B10/10—Roller bits with roller axle supported at both ends
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23215972A | 1972-03-06 | 1972-03-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2175080A1 FR2175080A1 (de) | 1973-10-19 |
FR2175080B1 true FR2175080B1 (de) | 1977-08-12 |
Family
ID=22872104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7307950A Expired FR2175080B1 (de) | 1972-03-06 | 1973-03-06 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3762486A (de) |
JP (1) | JPS4911704A (de) |
AU (1) | AU463698B2 (de) |
DE (1) | DE2311088A1 (de) |
FR (1) | FR2175080B1 (de) |
GB (1) | GB1390738A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51103604A (ja) * | 1975-03-07 | 1976-09-13 | Kato Seisakusho Kk | Tatekokutsusakuhoho |
US4125167A (en) * | 1977-06-06 | 1978-11-14 | Smith International, Inc. | Big hole bit |
US4248314A (en) * | 1979-05-29 | 1981-02-03 | Hughes Tool Company | Shaft drill bit with overlapping cutter arrangement |
JP2962843B2 (ja) * | 1990-06-07 | 1999-10-12 | キヤノン株式会社 | クリーニングブレード及びこれを用いた装置 |
NO921357L (no) * | 1992-04-07 | 1993-10-08 | Narvestad As Stein | Anordning ved borhode paa en tunnellboremaskin |
US20100078223A1 (en) * | 2008-09-26 | 2010-04-01 | Buske Robert J | Plate structure for earth-boring tools, tools including plate structures and methods of forming such tools |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1686957A (en) * | 1928-10-09 | A cobpobatioef | ||
US1391626A (en) * | 1920-04-27 | 1921-09-20 | Richard J Bequette | Drill-head for well-driling apparatus |
US1657608A (en) * | 1925-09-14 | 1928-01-31 | Guiberson Corp | Well-drilling bit |
US2041467A (en) * | 1932-11-18 | 1936-05-19 | Sara R Lorraine | Bit cleaner |
US2644671A (en) * | 1947-03-04 | 1953-07-07 | Martell D Ingram | Rock drilling bit |
US2654578A (en) * | 1949-11-28 | 1953-10-06 | William L Pearce | Earth formation disintegrating drill |
US3583503A (en) * | 1969-03-12 | 1971-06-08 | Lawrence Mfg Co | Mounting head assembly |
US3674314A (en) * | 1970-01-07 | 1972-07-04 | Jarva Inc | Gage scraper |
-
1972
- 1972-03-06 US US00232159A patent/US3762486A/en not_active Expired - Lifetime
-
1973
- 1973-02-19 GB GB801773A patent/GB1390738A/en not_active Expired
- 1973-03-06 FR FR7307950A patent/FR2175080B1/fr not_active Expired
- 1973-03-06 JP JP48026494A patent/JPS4911704A/ja active Pending
- 1973-03-06 DE DE19732311088 patent/DE2311088A1/de active Pending
- 1973-03-06 AU AU52923/73A patent/AU463698B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2175080A1 (de) | 1973-10-19 |
AU463698B2 (en) | 1975-07-31 |
DE2311088A1 (de) | 1973-09-20 |
US3762486A (en) | 1973-10-02 |
AU5292373A (en) | 1974-09-12 |
JPS4911704A (de) | 1974-02-01 |
GB1390738A (en) | 1975-04-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |