FR2283304B1 - - Google Patents
Info
- Publication number
- FR2283304B1 FR2283304B1 FR7526622A FR7526622A FR2283304B1 FR 2283304 B1 FR2283304 B1 FR 2283304B1 FR 7526622 A FR7526622 A FR 7526622A FR 7526622 A FR7526622 A FR 7526622A FR 2283304 B1 FR2283304 B1 FR 2283304B1
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Dowels (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Piles And Underground Anchors (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/501,803 US3960222A (en) | 1974-08-29 | 1974-08-29 | Tool for cutting groove in hole |
| AU37919/78A AU520705B2 (en) | 1974-08-29 | 1978-07-10 | Rock bolting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2283304A1 FR2283304A1 (fr) | 1976-03-26 |
| FR2283304B1 true FR2283304B1 (US20100170793A1-20100708-C00006.png) | 1982-04-30 |
Family
ID=25624177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7526622A Granted FR2283304A1 (fr) | 1974-08-29 | 1975-08-29 | Outil servant a creuser une gorge dans un trou |
Country Status (6)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4550788A (en) * | 1983-11-08 | 1985-11-05 | The Board Of Trustees Of The University Of Alabama | Roof bolt hole groover |
| CH662776A5 (fr) * | 1984-08-16 | 1987-10-30 | Sarkis Sa | Outil de percage de trous a chambre et son utilisation. |
| SE460141B (sv) * | 1986-02-24 | 1989-09-11 | Santrade Ltd | Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg |
| US4789284A (en) * | 1987-11-05 | 1988-12-06 | White Scott A | Self-cutting expansion anchor |
| US20050039952A1 (en) | 2003-08-20 | 2005-02-24 | Hill John L. | Drilling apparatus, method, and system |
| US7686103B2 (en) * | 2007-06-06 | 2010-03-30 | San Juan Coal Company | Drill bit with radially expandable cutter, and method of using same |
| US8881847B2 (en) | 2010-01-29 | 2014-11-11 | Kennametal Inc. | Dust collecting device for a roof tool |
| MX2012012967A (es) * | 2010-05-07 | 2012-12-17 | Obelix Holdings Pty Ltd | Herramienta de socavar. |
| AT15492U1 (de) * | 2016-05-20 | 2017-10-15 | Dywidag-Systems Int Gmbh | Verfahren zum Schlag- oder Drehschlagbohren von Löchern sowie gleichzeitigem Profilieren von Bohrlochwänden in Erd-, Boden- oder Gesteinsmaterial |
| CN113006840A (zh) * | 2021-03-09 | 2021-06-22 | 山东黄金矿业(莱州)有限公司焦家金矿 | 深部蚀变岩型巷道不同长度树脂锚索联合支护方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US564510A (en) * | 1896-07-21 | elliott | ||
| US111099A (en) * | 1871-01-17 | Improvement in augers | ||
| US945016A (en) * | 1908-06-24 | 1910-01-04 | John William Caldwell | Expansion-auger. |
| US1681651A (en) * | 1925-07-01 | 1928-08-21 | Shelley G Woodruff | Rotary-disk eccentric bit |
| US1705055A (en) * | 1926-02-02 | 1929-03-12 | Allison Arthur | Expansible rotary bit |
| US2193721A (en) * | 1939-04-03 | 1940-03-12 | Gunderson Chesley Ray | Expansion drill |
| US2599167A (en) * | 1946-02-23 | 1952-06-03 | Dionisotti Joseph | Scraping out device for mining boreholes |
| FR987666A (fr) * | 1949-05-31 | 1951-08-17 | Outil pour la création d'évidements latéraux circulaires dans les trous de mines | |
| US2771746A (en) * | 1952-05-05 | 1956-11-27 | Fischer August | Anchor structure for mines, tunnels and the like |
| US3250075A (en) * | 1963-09-26 | 1966-05-10 | Spencer E Webb | Method of retaining wall construction and anchoring |
| US3422629A (en) * | 1967-09-06 | 1969-01-21 | James P Watts | Construction support system and methods and apparatus for construction thereof |
-
1974
- 1974-08-29 US US05/501,803 patent/US3960222A/en not_active Expired - Lifetime
-
1975
- 1975-08-14 CA CA233,457A patent/CA1047026A/en not_active Expired
- 1975-08-19 GB GB34355/75A patent/GB1506867A/en not_active Expired
- 1975-08-19 GB GB22202/77A patent/GB1506868A/en not_active Expired
- 1975-08-28 BE BE159529A patent/BE832828A/xx not_active IP Right Cessation
- 1975-08-29 FR FR7526622A patent/FR2283304A1/fr active Granted
-
1978
- 1978-07-10 AU AU37919/78A patent/AU520705B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU3791978A (en) | 1978-09-28 |
| AU520705B2 (en) | 1982-02-25 |
| US3960222A (en) | 1976-06-01 |
| BE832828A (fr) | 1975-12-16 |
| DE2538003A1 (de) | 1976-03-18 |
| GB1506867A (en) | 1978-04-12 |
| GB1506868A (en) | 1978-04-12 |
| CA1047026A (en) | 1979-01-23 |
| FR2283304A1 (fr) | 1976-03-26 |
| AU8416075A (en) | 1977-03-03 |
| DE2538003B2 (de) | 1977-03-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |