DE3681760D1 - Verfahren zum herstellen eines rohlings eines bohrers. - Google Patents

Verfahren zum herstellen eines rohlings eines bohrers.

Info

Publication number
DE3681760D1
DE3681760D1 DE8686304491T DE3681760T DE3681760D1 DE 3681760 D1 DE3681760 D1 DE 3681760D1 DE 8686304491 T DE8686304491 T DE 8686304491T DE 3681760 T DE3681760 T DE 3681760T DE 3681760 D1 DE3681760 D1 DE 3681760D1
Authority
DE
Germany
Prior art keywords
blank
producing
blank blank
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 - Lifetime
Application number
DE8686304491T
Other languages
German (de)
English (en)
Inventor
Cornelius Phaal
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty Ltd
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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Application granted granted Critical
Publication of DE3681760D1 publication Critical patent/DE3681760D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
DE8686304491T 1985-06-13 1986-06-12 Verfahren zum herstellen eines rohlings eines bohrers. Expired - Lifetime DE3681760D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA854462 1985-06-13

Publications (1)

Publication Number Publication Date
DE3681760D1 true DE3681760D1 (de) 1991-11-07

Family

ID=25577945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686304491T Expired - Lifetime DE3681760D1 (de) 1985-06-13 1986-06-12 Verfahren zum herstellen eines rohlings eines bohrers.

Country Status (6)

Country Link
US (1) US4694710A (https=)
EP (1) EP0206652B1 (https=)
JP (1) JPS61288941A (https=)
DE (1) DE3681760D1 (https=)
IE (1) IE57510B1 (https=)
ZA (1) ZA863979B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9701695D0 (en) * 1997-01-28 1997-03-19 De Beers Ind Diamond Insert for an abrasive tool
ZA982007B (en) * 1997-03-17 1998-09-10 De Beers Ind Diamond Drill blank
DE69810214T2 (de) * 1997-08-27 2003-08-07 De Beers Industrial Diamonds (Pty.) Ltd., Johannesburg Verfahren zur Herstellung eines Bohrerrohlings
JP2003205410A (ja) * 2002-01-11 2003-07-22 Mitsubishi Materials Kobe Tools Corp 脆性材料用穴明け工具
CN102695581B (zh) 2009-12-31 2016-03-02 戴蒙得创新股份有限公司 制造加工刀具的坯料以及使用坯料制造加工刀具的方法
GB201020967D0 (en) * 2010-12-10 2011-01-26 Element Six Production Pty Ltd Bit for a rotary drill
US9555506B2 (en) * 2012-02-28 2017-01-31 Kyocera Corporation Drill blank, method for manufacturing drill blank, drill, and method for manufacturing drill

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873423A (en) * 1923-11-05 1932-08-23 Cincinnati Grinders Inc Grinding machine
US1789408A (en) * 1926-02-24 1931-01-20 Hultgren Axel Gustaf Emanuel Machine for centerless grinding
SU547333A1 (ru) * 1971-12-02 1977-02-25 Предприятие П/Я Р-6793 Способ изготовлени абразивного инструмента
US4224380A (en) * 1978-03-28 1980-09-23 General Electric Company Temperature resistant abrasive compact and method for making same
CA1216158A (en) * 1981-11-09 1987-01-06 Akio Hara Composite compact component and a process for the production of the same
EP0168953B2 (en) * 1984-06-12 1998-07-01 Sumitomo Electric Industries Limited Stick of composite materials and process for preparation thereof
JPS60264371A (ja) * 1984-06-12 1985-12-27 住友電気工業株式会社 複合焼結材料円柱体

Also Published As

Publication number Publication date
JPS61288941A (ja) 1986-12-19
ZA863979B (en) 1987-01-28
JPH0474134B2 (https=) 1992-11-25
EP0206652A2 (en) 1986-12-30
EP0206652B1 (en) 1991-10-02
IE861427L (en) 1986-12-13
EP0206652A3 (en) 1988-11-02
IE57510B1 (en) 1992-11-18
US4694710A (en) 1987-09-22

Similar Documents

Publication Publication Date Title
DE3685970D1 (de) Verfahren zum herstellen eines halbleiterbauelements.
DE3679758D1 (de) Verfahren zum herstellen eines supraleitenden hohlraumes.
DE3768912D1 (de) Verfahren zum herstellen eines verbundwerkstoffgegenstandes.
DE3484481D1 (de) Verfahren zum herstellen eines handschuhs.
DE3686600D1 (de) Verfahren zum herstellen einer harzumhuellten halbleiteranordnung.
DE3785720D1 (de) Verfahren zum herstellen eines filmtraegers.
DE3586732D1 (de) Verfahren zum herstellen einer dreidimentionaler halbleiteranordung.
DE3583934D1 (de) Verfahren zum herstellen einer halbleiterverbundanordnung.
DE3483579D1 (de) Verfahren zum herstellen einer leiterbahn.
DE3881794D1 (de) Verfahren zum herstellen eines mehrschichtigen geformten gegenstandes.
DE3671580D1 (de) Verfahren zum herstellen eines mehrschicht-keramiksubstrats.
DE3671583D1 (de) Verfahren zum herstellen eines halbleiter-speicherbauelementes.
DE3576610D1 (de) Verfahren zum herstellen eines voellig selbstjustierten feldeffekttransistors.
DE3579770D1 (de) Verfahren zum herstellen eines eines verstaerkungsbauteils.
DE3863326D1 (de) Verfahren zum anfahren eines vergasers.
DE3671324D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
DE3683183D1 (de) Verfahren zum herstellen eines selbtsausrichtenden bipolartransistors.
ATA903980A (de) Verfahren zum herstellen eines weitgehend gereinigten, prothrombischen komplex enthaltenden konzentrats
DE3675038D1 (de) Verfahren zum herstellen eines einzelchip-mikrocomputers.
DE3870731D1 (de) Verfahren zum herstellen eines komplexen zinnvernetzungskatalysators.
DE3586019D1 (de) Verfahren zum herstellen eines elektrostriktiven elementes.
DE3684202D1 (de) Verfahren zum herstellen einer passivierungsschicht.
DE3877601D1 (de) Verfahren zum herstellen eines supraleitenden drahtes.
DE3583808D1 (de) Verfahren zum herstellen eines transistors.
AT386731B (de) Verfahren zum herstellen eines schuhes

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee