FR339904A - Mèche hélicoidale - Google Patents

Mèche hélicoidale

Info

Publication number
FR339904A
FR339904A FR339904A FR339904DA FR339904A FR 339904 A FR339904 A FR 339904A FR 339904 A FR339904 A FR 339904A FR 339904D A FR339904D A FR 339904DA FR 339904 A FR339904 A FR 339904A
Authority
FR
France
Prior art keywords
helical bit
helical
bit
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
Application number
FR339904A
Other languages
English (en)
French (fr)
Inventor
Bengt Magnus Wilhelm Hanson
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR339904A publication Critical patent/FR339904A/fr
Expired 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
    • 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
    • B23B2251/245—Variable cross sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/48—Chip breakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR339904A 1904-01-26 Mèche hélicoidale Expired FR339904A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR339904T

Publications (1)

Publication Number Publication Date
FR339904A true FR339904A (fr) 1904-06-22

Family

ID=8891732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339904A Expired FR339904A (fr) 1904-01-26 Mèche hélicoidale

Country Status (2)

Country Link
DE (1) DE159437C (xx)
FR (1) FR339904A (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489191A1 (fr) * 1980-08-29 1982-03-05 Hosoi Toshiaki Foret perfectionne, notamment pour le forage de trous profonds
US20140004480A1 (en) * 2011-03-18 2014-01-02 Fkg Dentaire S.A. Endodontic instrument for drilling

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524021A (xx) * 1951-10-12
DK82463C (da) * 1953-11-09 1956-12-03 Firth Brown Tools Ltd Spiralbor.
DE1106144B (de) * 1956-11-22 1961-05-04 Friedrich Boehme Spiralbohrer
DE3545586A1 (de) * 1985-12-21 1987-07-02 Komet Stahlhalter Werkzeug Bohrwerkzeug
JP2603993B2 (ja) * 1988-03-11 1997-04-23 俊明 細井 ドリル
SE508466C2 (sv) * 1993-09-14 1998-10-12 Seco Tools Ab Borr

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489191A1 (fr) * 1980-08-29 1982-03-05 Hosoi Toshiaki Foret perfectionne, notamment pour le forage de trous profonds
US20140004480A1 (en) * 2011-03-18 2014-01-02 Fkg Dentaire S.A. Endodontic instrument for drilling
US9456879B2 (en) * 2011-03-18 2016-10-04 Fkg Dentaire S.A. Endodontic instrument for drilling

Also Published As

Publication number Publication date
DE159437C (xx)

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