DE3879555D1 - Bohrer mit schneideinsatz. - Google Patents

Bohrer mit schneideinsatz.

Info

Publication number
DE3879555D1
DE3879555D1 DE8888305561T DE3879555T DE3879555D1 DE 3879555 D1 DE3879555 D1 DE 3879555D1 DE 8888305561 T DE8888305561 T DE 8888305561T DE 3879555 T DE3879555 T DE 3879555T DE 3879555 D1 DE3879555 D1 DE 3879555D1
Authority
DE
Germany
Prior art keywords
insert
drill
facet
cutting
seat
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 - Fee Related
Application number
DE8888305561T
Other languages
English (en)
Other versions
DE3879555T2 (de
Inventor
Theo Axel Notter
David William James
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
MANXTAL CUTTING TOOLS 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 MANXTAL CUTTING TOOLS Ltd filed Critical MANXTAL CUTTING TOOLS Ltd
Publication of DE3879555D1 publication Critical patent/DE3879555D1/de
Application granted granted Critical
Publication of DE3879555T2 publication Critical patent/DE3879555T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/12—Abrasive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Surgical Instruments (AREA)
  • Holo Graphy (AREA)
DE8888305561T 1987-06-18 1988-06-17 Bohrer mit schneideinsatz. Expired - Fee Related DE3879555T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878714340A GB8714340D0 (en) 1987-06-18 1987-06-18 Drill bit

Publications (2)

Publication Number Publication Date
DE3879555D1 true DE3879555D1 (de) 1993-04-29
DE3879555T2 DE3879555T2 (de) 1993-07-01

Family

ID=10619178

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888305561T Expired - Fee Related DE3879555T2 (de) 1987-06-18 1988-06-17 Bohrer mit schneideinsatz.

Country Status (9)

Country Link
EP (1) EP0295946B1 (de)
JP (1) JPH0732969B2 (de)
KR (1) KR950009957B1 (de)
AT (1) ATE87251T1 (de)
AU (1) AU598383B2 (de)
CA (1) CA1326146C (de)
DE (1) DE3879555T2 (de)
GB (1) GB8714340D0 (de)
ZA (1) ZA884335B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9104366D0 (en) * 1991-03-01 1991-04-17 De Beers Ind Diamond Composite cutting insert
GB9310500D0 (en) * 1993-05-21 1993-07-07 De Beers Ind Diamond Cutting tool
US6135681A (en) * 1998-08-21 2000-10-24 Allied Machine & Engineering Flat bottom tool
EP2593255B1 (de) * 2010-07-13 2016-10-12 Element Six Limited Herstellungsverfahren für eine konstruktion einer wendeschneidplatte
GB201020967D0 (en) * 2010-12-10 2011-01-26 Element Six Production Pty Ltd Bit for a rotary drill
JP6029004B2 (ja) * 2011-11-28 2016-11-24 三菱マテリアル株式会社 Ｐｃｄドリル
USD734790S1 (en) 2013-06-12 2015-07-21 Element Six (Production) (Pty) Ltd Drill bit tip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD17839A (de) *
DE602663C (de) * 1931-12-23 1934-09-13 Fried Krupp Akt Ges Spiral- oder Spitzbohrer fuer Metall
SE382579B (sv) * 1974-01-30 1976-02-09 Skf Ind Trading & Dev Sett att framstella skerverktyg av vendskertyp med flera skereggar
US4222690A (en) * 1977-12-03 1980-09-16 Ryosuke Hosoi Drill having cutting edges with the greatest curvature at the central portion thereof
FR2423626B1 (fr) * 1978-04-21 1985-11-29 Christensen Inc Norton Trepan de forage rotatif pour forages profonds
US4505721A (en) * 1982-03-31 1985-03-19 Almond Eric A Abrasive bodies
CA1286510C (en) * 1984-06-12 1991-07-23 Yuichiro Kohno Stick of composite materials and process for preparation thereof

Also Published As

Publication number Publication date
AU598383B2 (en) 1990-06-21
JPS6416330A (en) 1989-01-19
EP0295946A1 (de) 1988-12-21
KR950009957B1 (en) 1995-09-04
ZA884335B (en) 1989-03-29
EP0295946B1 (de) 1993-03-24
JPH0732969B2 (ja) 1995-04-12
AU1776288A (en) 1988-12-22
ATE87251T1 (de) 1993-04-15
GB8714340D0 (en) 1987-07-22
KR890000195A (ko) 1989-03-13
DE3879555T2 (de) 1993-07-01
CA1326146C (en) 1994-01-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY)

8339 Ceased/non-payment of the annual fee