IT8567304A1 - Scalpello da roccia, particolarmente per perforazioni sotterranee e relativo procedimento di fabbricazione. - Google Patents

Scalpello da roccia, particolarmente per perforazioni sotterranee e relativo procedimento di fabbricazione.

Info

Publication number
IT8567304A1
IT8567304A1 IT1985A67304A IT6730485A IT8567304A1 IT 8567304 A1 IT8567304 A1 IT 8567304A1 IT 1985A67304 A IT1985A67304 A IT 1985A67304A IT 6730485 A IT6730485 A IT 6730485A IT 8567304 A1 IT8567304 A1 IT 8567304A1
Authority
IT
Italy
Prior art keywords
manufacturing process
underground drilling
rock chisel
chisel
rock
Prior art date
Application number
IT1985A67304A
Other languages
English (en)
Other versions
IT8567304A0 (it
IT1184061B (it
Original Assignee
Smith International
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Smith International filed Critical Smith International
Publication of IT8567304A0 publication Critical patent/IT8567304A0/it
Publication of IT8567304A1 publication Critical patent/IT8567304A1/it
Application granted granted Critical
Publication of IT1184061B publication Critical patent/IT1184061B/it

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
    • E21B10/56—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)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Earth Drilling (AREA)
IT67304/85A 1984-03-28 1985-03-27 Scalpello da roccia particolarmente per perforazioni sotteranee e relativo procedimento di fabbricazione IT1184061B (it)

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 true IT8567304A1 (it) 1986-09-27
IT1184061B 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6517902B2 (en) 1998-05-27 2003-02-11 Camco International (Uk) Limited Methods of treating preform elements
GB9811213D0 (en) * 1998-05-27 1998-07-22 Camco Int Uk Ltd 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
CN117642546A (zh) * 2021-06-25 2024-03-01 斯伦贝谢技术有限公司 用于钻头的耐腐蚀镶嵌件

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290980A (it) * 1970-10-13 1972-09-27
GB1460591A (en) * 1973-05-19 1977-01-06 Girling Ltd Friction plates
GB1460592A (en) * 1973-05-19 1977-01-06 Girling Ltd Method of manufacturing a friction disc
GB2007720B (en) * 1977-09-27 1982-08-18 Nippon Tungsten Cemented carbide layer

Also Published As

Publication number Publication date
CA1237122A (en) 1988-05-24
IT8567304A0 (it) 1985-03-27
GB8506221D0 (en) 1985-04-11
IT1184061B (it) 1987-10-22
GB2158101A (en) 1985-11-06

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