SG72194G - Percussion rock bit - Google Patents

Percussion rock bit

Info

Publication number
SG72194G
SG72194G SG72194A SG72194A SG72194G SG 72194 G SG72194 G SG 72194G SG 72194 A SG72194 A SG 72194A SG 72194 A SG72194 A SG 72194A SG 72194 G SG72194 G SG 72194G
Authority
SG
Singapore
Prior art keywords
rock bit
percussion rock
percussion
bit
rock
Prior art date
Application number
SG72194A
Other languages
English (en)
Inventor
David Richard Hall
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
Priority to SG72194A priority Critical patent/SG72194G/en
Publication of SG72194G publication Critical patent/SG72194G/en

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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/0685—Crystal sintering
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Earth Drilling (AREA)
SG72194A 1986-02-13 1994-06-03 Percussion rock bit SG72194G (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG72194A SG72194G (en) 1986-02-13 1994-06-03 Percussion rock bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/829,022 US4694918A (en) 1985-04-29 1986-02-13 Rock bit with diamond tip inserts
SG72194A SG72194G (en) 1986-02-13 1994-06-03 Percussion rock bit

Publications (1)

Publication Number Publication Date
SG72194G true SG72194G (en) 1994-11-25

Family

ID=25253324

Family Applications (1)

Application Number Title Priority Date Filing Date
SG72194A SG72194G (en) 1986-02-13 1994-06-03 Percussion rock bit

Country Status (7)

Country Link
US (1) US4694918A (de)
EP (1) EP0235455B1 (de)
JP (1) JP2679782B2 (de)
CA (1) CA1261317A (de)
DE (1) DE3683633D1 (de)
IE (1) IE59602B1 (de)
SG (1) SG72194G (de)

Families Citing this family (287)

* Cited by examiner, † Cited by third party
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JP2679782B2 (ja) 1997-11-19
EP0235455A2 (de) 1987-09-09
EP0235455B1 (de) 1992-01-22
IE59602B1 (en) 1994-03-09
JPS62284886A (ja) 1987-12-10
CA1261317A (en) 1989-09-26
EP0235455A3 (en) 1988-11-17
IE863225L (en) 1987-08-13
US4694918A (en) 1987-09-22

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