JPS5611838B2 - - Google Patents
Info
- Publication number
- JPS5611838B2 JPS5611838B2 JP11627573A JP11627573A JPS5611838B2 JP S5611838 B2 JPS5611838 B2 JP S5611838B2 JP 11627573 A JP11627573 A JP 11627573A JP 11627573 A JP11627573 A JP 11627573A JP S5611838 B2 JPS5611838 B2 JP S5611838B2
- Authority
- JP
- Japan
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
-
- 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US300353A US3921734A (en) | 1972-10-17 | 1972-10-17 | Raise boring head and rolling cutter arrangement therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4974101A JPS4974101A (cs) | 1974-07-17 |
| JPS5611838B2 true JPS5611838B2 (cs) | 1981-03-17 |
Family
ID=23158746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11627573A Expired JPS5611838B2 (cs) | 1972-10-17 | 1973-10-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3921734A (cs) |
| JP (1) | JPS5611838B2 (cs) |
| CA (1) | CA1010019A (cs) |
| GB (2) | GB1421260A (cs) |
| ZA (1) | ZA737797B (cs) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049067A (en) * | 1975-11-05 | 1977-09-20 | Ingersoll-Rand Company | Cutter mounting extension apparatus |
| US4142593A (en) * | 1977-10-25 | 1979-03-06 | Smith International, Inc. | Raise drill inner yoke bridge |
| US4241799A (en) * | 1979-10-17 | 1980-12-30 | Hughes Tool Company | Protected cutter mounting for drill bits |
| US4508184A (en) | 1983-05-27 | 1985-04-02 | Hansen Michael S | Roller reamer/stabilizer |
| US4630693A (en) * | 1985-04-15 | 1986-12-23 | Goodfellow Robert D | Rotary cutter assembly |
| US4760890A (en) * | 1987-05-18 | 1988-08-02 | Tamrock Inc. | Cutter assembly for rotary boring of earth |
| US6708786B2 (en) * | 2001-05-08 | 2004-03-23 | Smith International, Inc. | Mounting attachment and bearing system for an industrial earth-boring cutter |
| US9279232B2 (en) * | 2012-10-12 | 2016-03-08 | Caterpillar Inc. | Front head nut pocket configuration for hydraulic hammer |
| US8973909B2 (en) | 2013-08-01 | 2015-03-10 | Hendrickson Usa, L.L.C. | Cross arm bushing assembly useful for vehicle suspension |
| JP6603594B2 (ja) * | 2016-02-12 | 2019-11-06 | シャープ株式会社 | 音声信号送信装置、音声信号送信方法、制御プログラム、およびコンピュータ読み取り可能な記録媒体 |
| CN106440548A (zh) * | 2016-11-11 | 2017-02-22 | 珠海格力电器股份有限公司 | 一种分液头及空调 |
| USD934056S1 (en) * | 2017-11-21 | 2021-10-26 | Iron Grip Holdings Pty Limited | Stabilisation ring segment for an underground reamer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2695771A (en) * | 1951-05-04 | 1954-11-30 | Grant Oil Tool Company | Tool for removing material from well bore walls |
| US3385385A (en) * | 1966-04-01 | 1968-05-28 | Reed Roller Bit Co | Drill bit |
| US3461983A (en) * | 1967-06-28 | 1969-08-19 | Dresser Ind | Cutting tool having hard insert in hole surrounded by hard facing |
| US3601207A (en) * | 1969-05-19 | 1971-08-24 | Lawrence Mfg Co | Cutter assembly |
| US3638740A (en) * | 1970-03-30 | 1972-02-01 | Murphy Ind Inc G W | Raise drilling bit |
| US3705635A (en) * | 1971-01-13 | 1972-12-12 | Dresser Ind | Large diameter earth boring bit |
| ZA714204B (en) * | 1971-06-28 | 1972-03-29 | Mcdonnell P Ltd | Improvements in or relating to rotary cutters |
| US3749188A (en) * | 1971-08-20 | 1973-07-31 | G W Murphy Indu Inc | Drill bit |
| JPS5017001A (cs) * | 1973-06-12 | 1975-02-22 |
-
1972
- 1972-10-17 US US300353A patent/US3921734A/en not_active Expired - Lifetime
-
1973
- 1973-10-05 ZA ZA737797*A patent/ZA737797B/xx unknown
- 1973-10-05 GB GB2401075A patent/GB1421260A/en not_active Expired
- 1973-10-05 GB GB4652673A patent/GB1421259A/en not_active Expired
- 1973-10-16 CA CA183,506A patent/CA1010019A/en not_active Expired
- 1973-10-16 JP JP11627573A patent/JPS5611838B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3921734A (en) | 1975-11-25 |
| USB300353I5 (cs) | 1975-01-28 |
| AU6125973A (en) | 1975-04-17 |
| CA1010019A (en) | 1977-05-10 |
| JPS4974101A (cs) | 1974-07-17 |
| GB1421259A (en) | 1976-01-14 |
| GB1421260A (en) | 1976-01-14 |
| ZA737797B (en) | 1974-08-28 |