GB2022476B - Rotary boring bit - Google Patents

Rotary boring bit

Info

Publication number
GB2022476B
GB2022476B GB7913852A GB7913852A GB2022476B GB 2022476 B GB2022476 B GB 2022476B GB 7913852 A GB7913852 A GB 7913852A GB 7913852 A GB7913852 A GB 7913852A GB 2022476 B GB2022476 B GB 2022476B
Authority
GB
United Kingdom
Prior art keywords
boring bit
rotary boring
rotary
bit
boring
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
Application number
GB7913852A
Other versions
GB2022476A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Norton Christensen Inc
Original Assignee
Christensen Inc
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
Priority claimed from ZA00782286A external-priority patent/ZA782286B/en
Application filed by Christensen Inc filed Critical Christensen Inc
Publication of GB2022476A publication Critical patent/GB2022476A/en
Application granted granted Critical
Publication of GB2022476B publication Critical patent/GB2022476B/en
Expired legal-status Critical Current

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
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/30—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
    • 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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/58—Chisel-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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/31—Diamond

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)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
GB7913852A 1978-04-21 1979-04-20 Rotary boring bit Expired GB2022476B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA00782286A ZA782286B (en) 1978-04-21 1978-04-21 Abrasive bodies
DE2910347A DE2910347C2 (en) 1978-04-21 1979-03-16 Rotary drill bit for deep drilling in rock

Publications (2)

Publication Number Publication Date
GB2022476A GB2022476A (en) 1979-12-19
GB2022476B true GB2022476B (en) 1982-04-07

Family

ID=25778255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7913852A Expired GB2022476B (en) 1978-04-21 1979-04-20 Rotary boring bit

Country Status (2)

Country Link
FR (1) FR2423626B1 (en)
GB (1) GB2022476B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039633C2 (en) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Rotary drill bits, in particular for deep drilling
DE3039632C2 (en) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Rotary bit for deep drilling
DE3111156C1 (en) * 1981-03-21 1983-04-14 Christensen, Inc., 84115 Salt Lake City, Utah Cutting element for rotary drill bits for deep drilling in earth formations
US4538690A (en) * 1983-02-22 1985-09-03 Nl Industries, Inc. PDC cutter and bit
US4529047A (en) * 1983-02-24 1985-07-16 Norton Christensen, Inc. Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element
GB2138864B (en) * 1983-04-28 1986-07-30 Sumitomo Metal Mining Co Roller drill bits
GB8332342D0 (en) * 1983-12-03 1984-01-11 Nl Petroleum Prod Rotary drill bits
EP0145421B1 (en) * 1983-12-03 1989-07-26 Reed Tool Company Limited Improvements in or relating to the manufacture of rotary drill bits
EP0168953B2 (en) * 1984-06-12 1998-07-01 Sumitomo Electric Industries Limited Stick of composite materials and process for preparation thereof
FR2568933B1 (en) * 1984-08-13 1986-09-19 Combustible Nucleaire DIAMOND ROTARY DRILLING TOOL AND METHOD FOR MANUFACTURING SUCH A TOOL
FR2568810B1 (en) * 1984-08-13 1986-11-14 Combustible Nucleaire DIAMOND CUTTING ELEMENT AND METHOD FOR MANUFACTURING SUCH AN ELEMENT
GB2181472A (en) * 1985-08-22 1987-04-23 Anderson Strathclyde Plc Cutter tools and tip inserts therefor
WO1987001634A1 (en) * 1985-09-16 1987-03-26 Johann Steiner Process and device for pressure-sintering for the production of metal-embedded diamond tools
GB8714340D0 (en) * 1987-06-18 1987-07-22 Manxtal Cutting Tools Ltd Drill bit
US5193948A (en) * 1991-12-16 1993-03-16 Gte Valenite Corporation Chip control inserts with diamond segments
US6109377A (en) * 1997-07-15 2000-08-29 Kennametal Inc. Rotatable cutting bit assembly with cutting inserts
US6176332B1 (en) 1998-12-31 2001-01-23 Kennametal Inc. Rotatable cutting bit assembly with cutting inserts
GB201223528D0 (en) * 2012-12-31 2013-02-13 Element Six Abrasives Sa A cutter element for rock removal applications
GB201223530D0 (en) * 2012-12-31 2013-02-13 Element Six Abrasives Sa A cutter element for rock removal applications
KR20150135185A (en) * 2013-03-29 2015-12-02 스미또모 덴꼬오 하드메탈 가부시끼가이샤 Cbn cutting tool manufacturing method and cbn cutting tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952002A (en) * 1933-04-22 1934-03-20 Jessop Steel Company Process of manufacturing composite steel articles
US2275021A (en) * 1938-07-01 1942-03-03 Budd Induction Heating Inc Process of making tools
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US3702573A (en) * 1969-03-19 1972-11-14 Kennametal Inc Cermet product and method and apparatus for the manufacture thereof
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining

Also Published As

Publication number Publication date
GB2022476A (en) 1979-12-19
FR2423626B1 (en) 1985-11-29
FR2423626A1 (en) 1979-11-16

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee