IT1184061B - Scalpello da roccia particolarmente per perforazioni sotteranee e relativo procedimento di fabbricazione - Google Patents
Scalpello da roccia particolarmente per perforazioni sotteranee e relativo procedimento di fabbricazioneInfo
- Publication number
- IT1184061B IT1184061B IT67304/85A IT6730485A IT1184061B IT 1184061 B IT1184061 B IT 1184061B IT 67304/85 A IT67304/85 A IT 67304/85A IT 6730485 A IT6730485 A IT 6730485A IT 1184061 B IT1184061 B IT 1184061B
- Authority
- IT
- Italy
- Prior art keywords
- manufacturing procedure
- related manufacturing
- underground perforation
- rock chisel
- chisel
- Prior art date
Links
- 238000004519 manufacturing process Methods 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- 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
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59444984A | 1984-03-28 | 1984-03-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8567304A0 IT8567304A0 (it) | 1985-03-27 |
IT8567304A1 IT8567304A1 (it) | 1986-09-27 |
IT1184061B true IT1184061B (it) | 1987-10-22 |
Family
ID=24378906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67304/85A IT1184061B (it) | 1984-03-28 | 1985-03-27 | Scalpello da roccia particolarmente per perforazioni sotteranee e relativo procedimento di fabbricazione |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1237122A (it) |
GB (1) | GB2158101A (it) |
IT (1) | IT1184061B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9811213D0 (en) * | 1998-05-27 | 1998-07-22 | Camco Int Uk Ltd | Methods of treating preform elements |
US6517902B2 (en) | 1998-05-27 | 2003-02-11 | Camco International (Uk) Limited | Methods of treating preform elements |
US20050077090A1 (en) * | 2003-08-13 | 2005-04-14 | Ramamurthy Viswanadham | Apparatus and method for selective laser-applied cladding |
EP4095349B1 (en) * | 2021-05-25 | 2024-01-31 | AB Tunnelling Srl | Tool for mechanical drilling, in particular for the construction of tunnels, and its creation method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1290980A (it) * | 1970-10-13 | 1972-09-27 | ||
GB1460592A (en) * | 1973-05-19 | 1977-01-06 | Girling Ltd | Method of manufacturing a friction disc |
GB1460591A (en) * | 1973-05-19 | 1977-01-06 | Girling Ltd | Friction plates |
GB2007720B (en) * | 1977-09-27 | 1982-08-18 | Nippon Tungsten | Cemented carbide layer |
-
1985
- 1985-03-07 CA CA000475943A patent/CA1237122A/en not_active Expired
- 1985-03-11 GB GB08506221A patent/GB2158101A/en not_active Withdrawn
- 1985-03-27 IT IT67304/85A patent/IT1184061B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2158101A (en) | 1985-11-06 |
GB8506221D0 (en) | 1985-04-11 |
CA1237122A (en) | 1988-05-24 |
IT8567304A0 (it) | 1985-03-27 |
IT8567304A1 (it) | 1986-09-27 |
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