ZA993212B - Roller bit for tunnelling machines with segmented cutting rings. - Google Patents
Roller bit for tunnelling machines with segmented cutting rings.Info
- Publication number
- ZA993212B ZA993212B ZA9903212A ZA993212A ZA993212B ZA 993212 B ZA993212 B ZA 993212B ZA 9903212 A ZA9903212 A ZA 9903212A ZA 993212 A ZA993212 A ZA 993212A ZA 993212 B ZA993212 B ZA 993212B
- Authority
- ZA
- South Africa
- Prior art keywords
- roller bit
- cutting rings
- segmented cutting
- tunnelling machines
- tunnelling
- Prior art date
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
- E21B10/46—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
-
- 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
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19821390A DE19821390A1 (en) | 1998-05-13 | 1998-05-13 | Roller chisel for tunnel boring machine |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA993212B true ZA993212B (en) | 2002-08-12 |
Family
ID=7867609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9903212A ZA993212B (en) | 1998-05-13 | 1999-05-10 | Roller bit for tunnelling machines with segmented cutting rings. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1084324A1 (en) |
JP (1) | JP2002514702A (en) |
AU (1) | AU4141199A (en) |
DE (1) | DE19821390A1 (en) |
WO (1) | WO1999058808A1 (en) |
ZA (1) | ZA993212B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10205644B4 (en) * | 2002-02-12 | 2006-03-02 | Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg | drilling |
US9556733B2 (en) | 2013-03-08 | 2017-01-31 | Us Synthetic Corporation | Tunnel boring machine disc cutters and related methods of manufacture |
US9366088B2 (en) | 2013-03-08 | 2016-06-14 | Us Synthetic Corporation | Cutter assemblies, disc cutters, and related methods of manufacture |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870370A (en) * | 1973-04-23 | 1975-03-11 | Dresser Ind | Universal saddle mounting for fixed and rolling cutters |
US3862665A (en) * | 1973-10-11 | 1975-01-28 | Reed Tool Co | Scrape-type cutter for drill bits |
US4040493A (en) * | 1976-05-13 | 1977-08-09 | Dresser Industries, Inc. | Rock boring cutter with thread-on replaceable cutting element |
DE2821673C2 (en) * | 1978-05-18 | 1981-01-22 | Mannesmann Demag Ag, 4100 Duisburg | Roller boring tool for tunnel boring machines |
GB2035417A (en) * | 1978-11-25 | 1980-06-18 | Hall & Pickles Ltd | Tools for cutting heads |
NO830532L (en) * | 1982-02-20 | 1983-08-22 | Nl Industries Inc | Bit. |
NO176528C (en) * | 1992-02-17 | 1995-04-19 | Kverneland Klepp As | Device at drill bit |
US5234064A (en) * | 1992-03-09 | 1993-08-10 | The Robbins Company | Roller cutter assembly having adjustable ring cutter spacing |
US5853245A (en) * | 1996-10-18 | 1998-12-29 | Camco International Inc. | Rock bit cutter retainer with differentially pitched threads |
-
1998
- 1998-05-13 DE DE19821390A patent/DE19821390A1/en not_active Withdrawn
-
1999
- 1999-05-10 EP EP99924927A patent/EP1084324A1/en not_active Withdrawn
- 1999-05-10 WO PCT/EP1999/003202 patent/WO1999058808A1/en not_active Application Discontinuation
- 1999-05-10 JP JP2000548583A patent/JP2002514702A/en active Pending
- 1999-05-10 ZA ZA9903212A patent/ZA993212B/en unknown
- 1999-05-10 AU AU41411/99A patent/AU4141199A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2002514702A (en) | 2002-05-21 |
AU4141199A (en) | 1999-11-29 |
WO1999058808A1 (en) | 1999-11-18 |
DE19821390A1 (en) | 1999-11-25 |
EP1084324A1 (en) | 2001-03-21 |
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