IE48798B1 - Method of making tool inserts,wire-drawing die blank and drill bit comprising such inserts - Google Patents

Method of making tool inserts,wire-drawing die blank and drill bit comprising such inserts

Info

Publication number
IE48798B1
IE48798B1 IE1531/79A IE153179A IE48798B1 IE 48798 B1 IE48798 B1 IE 48798B1 IE 1531/79 A IE1531/79 A IE 1531/79A IE 153179 A IE153179 A IE 153179A IE 48798 B1 IE48798 B1 IE 48798B1
Authority
IE
Ireland
Prior art keywords
inserts
compact
fragments
wire
rounded
Prior art date
Application number
IE1531/79A
Other languages
English (en)
Other versions
IE791531L (en
Original Assignee
De Beers Ind Diamond
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27506079&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IE48798(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from ZA784716A external-priority patent/ZA784716B/xx
Application filed by De Beers Ind Diamond filed Critical De Beers Ind Diamond
Publication of IE791531L publication Critical patent/IE791531L/xx
Publication of IE48798B1 publication Critical patent/IE48798B1/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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing
    • B21C3/02—Dies; Selection of material therefor; Cleaning thereof
    • B21C3/025—Dies; Selection of material therefor; Cleaning thereof comprising diamond parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing
    • B21C3/18—Making tools by operations not covered by a single other subclass; Repairing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Earth Drilling (AREA)
IE1531/79A 1978-08-18 1979-08-09 Method of making tool inserts,wire-drawing die blank and drill bit comprising such inserts IE48798B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA784716A ZA784716B (en) 1978-08-18 1978-08-18 A method of making tool inserts
ZA787087 1978-12-19
ZA787291 1978-12-27
ZA79814 1979-02-21

Publications (2)

Publication Number Publication Date
IE791531L IE791531L (en) 1980-02-18
IE48798B1 true IE48798B1 (en) 1985-05-15

Family

ID=27506079

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1531/79A IE48798B1 (en) 1978-08-18 1979-08-09 Method of making tool inserts,wire-drawing die blank and drill bit comprising such inserts

Country Status (9)

Country Link
US (1) US4481016A (OSRAM)
EP (2) EP0009315B1 (OSRAM)
JP (1) JPS646494A (OSRAM)
AU (1) AU528899B2 (OSRAM)
BR (1) BR7905319A (OSRAM)
CA (1) CA1125518A (OSRAM)
DE (1) DE2966640D1 (OSRAM)
IE (1) IE48798B1 (OSRAM)
IL (1) IL58019A (OSRAM)

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* Cited by examiner, † Cited by third party
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US6453899B1 (en) 1995-06-07 2002-09-24 Ultimate Abrasive Systems, L.L.C. Method for making a sintered article and products produced thereby
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US9238207B2 (en) 1997-04-04 2016-01-19 Chien-Min Sung Brazed diamond tools and methods for making the same
US9868100B2 (en) 1997-04-04 2018-01-16 Chien-Min Sung Brazed diamond tools and methods for making the same
US9221154B2 (en) 1997-04-04 2015-12-29 Chien-Min Sung Diamond tools and methods for making the same
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US9199357B2 (en) 1997-04-04 2015-12-01 Chien-Min Sung Brazed diamond tools and methods for making the same
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US6592985B2 (en) 2000-09-20 2003-07-15 Camco International (Uk) Limited Polycrystalline diamond partially depleted of catalyzing material
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Also Published As

Publication number Publication date
US4481016A (en) 1984-11-06
BR7905319A (pt) 1980-05-20
IL58019A0 (en) 1979-12-30
JPH0348315B2 (OSRAM) 1991-07-24
IE791531L (en) 1980-02-18
EP0009315A1 (en) 1980-04-02
EP0101096A1 (en) 1984-02-22
IL58019A (en) 1985-07-31
AU4990379A (en) 1980-02-21
AU528899B2 (en) 1983-05-19
EP0101096B1 (en) 1986-06-11
CA1125518A (en) 1982-06-15
JPS646494A (en) 1989-01-11
EP0009315B1 (en) 1984-02-08
DE2966640D1 (en) 1984-03-15

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