CH589498A5 - - Google Patents

Info

Publication number
CH589498A5
CH589498A5 CH1610475A CH1610475A CH589498A5 CH 589498 A5 CH589498 A5 CH 589498A5 CH 1610475 A CH1610475 A CH 1610475A CH 1610475 A CH1610475 A CH 1610475A CH 589498 A5 CH589498 A5 CH 589498A5
Authority
CH
Switzerland
Application number
CH1610475A
Original Assignee
Kemmer Paul Gmbh & Co Kg
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 Kemmer Paul Gmbh & Co Kg filed Critical Kemmer Paul Gmbh & Co Kg
Publication of CH589498A5 publication Critical patent/CH589498A5/xx

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
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • B23B2251/242—Cross sections of the diameter of the drill increasing in a direction towards the shank from the tool tip

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
CH1610475A 1974-12-14 1975-12-11 CH589498A5 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742459286 DE2459286A1 (de) 1974-12-14 1974-12-14 Spiralbohrer, insbesondere zum bohren weicher werkstoffe

Publications (1)

Publication Number Publication Date
CH589498A5 true CH589498A5 (enrdf_load_html_response) 1977-07-15

Family

ID=5933469

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1610475A CH589498A5 (enrdf_load_html_response) 1974-12-14 1975-12-11

Country Status (2)

Country Link
CH (1) CH589498A5 (enrdf_load_html_response)
DE (1) DE2459286A1 (enrdf_load_html_response)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583667A1 (fr) * 1985-06-19 1986-12-26 Girouard Marc Foret de percage pour materiaux d'usinage difficile
DE3805726A1 (de) * 1988-02-24 1989-08-31 Krauss Helmut Bohr- bzw. reibwerkzeug
SE502255C2 (sv) * 1991-12-16 1995-09-25 Sandvik Ab Borr med spånkanaler, innefattande en första och en andra spånmatande zon, med olika tvärsnitt
GB2310622A (en) * 1996-03-02 1997-09-03 Black & Decker Inc Drill bit
DE19841978C2 (de) * 1998-09-14 2000-11-23 Heller Dinklage Gmbh Geb Bohrer
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
DE10027544A1 (de) * 2000-06-02 2001-12-13 Kennametal Inc Bohrerspitze für einen Spiralbohrer und Verfahren zum Herstellen einer Spannut im Bereich einer Bohrerspitze für einen Spiralbohrer

Also Published As

Publication number Publication date
DE2459286A1 (de) 1976-06-24

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased