CA999845A - Upward tunneling - Google Patents
Upward tunnelingInfo
- Publication number
- CA999845A CA999845A CA185,548A CA185548A CA999845A CA 999845 A CA999845 A CA 999845A CA 185548 A CA185548 A CA 185548A CA 999845 A CA999845 A CA 999845A
- Authority
- CA
- Canada
- Prior art keywords
- tunneling
- upward
- upward tunneling
- Prior art date
- 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
- 230000005641 tunneling Effects 0.000 title 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D3/00—Raising shafts, i.e. working upwards from the bottom
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA252,342A CA1020151A (en) | 1972-11-13 | 1976-05-12 | Upward tunneling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00305912A US3840272A (en) | 1972-11-13 | 1972-11-13 | Upward tunneling |
Publications (1)
Publication Number | Publication Date |
---|---|
CA999845A true CA999845A (en) | 1976-11-16 |
Family
ID=23182898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA185,548A Expired CA999845A (en) | 1972-11-13 | 1973-11-09 | Upward tunneling |
Country Status (3)
Country | Link |
---|---|
US (1) | US3840272A (en) |
CA (1) | CA999845A (en) |
ZA (1) | ZA73181B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4009909A (en) * | 1975-01-10 | 1977-03-01 | The Robbins Company | Upward tunneling |
US4019590A (en) * | 1975-03-03 | 1977-04-26 | Carmet Company | Method of roof drilling |
DE2815149C3 (en) * | 1977-04-28 | 1980-11-13 | Dowa Mining Co., Ltd. | Method and device for breaking up a shaft by drilling upwards from a solid |
US4207016A (en) * | 1977-05-31 | 1980-06-10 | Dowa Mining Co., Ltd. | Method and apparatus for supporting the wall of an upwardly excavated shaft |
SE464527B (en) * | 1989-06-30 | 1991-05-06 | Atlas Copco Constr & Mining | tunnel boring machine |
US5325932A (en) * | 1992-03-27 | 1994-07-05 | The Robbins Company | Down reaming apparatus |
US5429198A (en) * | 1992-03-27 | 1995-07-04 | The Robbins Company | Down reaming apparatus having hydraulically controlled stabilizer |
US5370194A (en) * | 1993-04-19 | 1994-12-06 | The Robbins Company | Drive head assembly for drilling machine |
SG102583A1 (en) * | 1999-07-14 | 2004-03-26 | Mitsubishi Heavy Ind Ltd | Method for replacing cutters of tunnel-excavating machine, method for excavating tunnel, and tunnel-excavating machine |
US10774642B1 (en) * | 2019-05-05 | 2020-09-15 | Liaoning University | Hydraulic support unit and hydraulic support for anti-rock burst roadway |
FR3131596B1 (en) * | 2021-12-30 | 2023-12-22 | Poclain Hydraulics Ind | Method for controlling a set of hydraulic motors driving a drilling head |
-
1972
- 1972-11-13 US US00305912A patent/US3840272A/en not_active Expired - Lifetime
-
1973
- 1973-01-10 ZA ZA730181A patent/ZA73181B/en unknown
- 1973-11-09 CA CA185,548A patent/CA999845A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3840272A (en) | 1974-10-08 |
AU6229773A (en) | 1975-05-08 |
ZA73181B (en) | 1973-09-26 |
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