FR806621A - Foret hélicoïdal dit - Google Patents

Foret hélicoïdal dit

Info

Publication number
FR806621A
FR806621A FR806621DA FR806621A FR 806621 A FR806621 A FR 806621A FR 806621D A FR806621D A FR 806621DA FR 806621 A FR806621 A FR 806621A
Authority
FR
France
Prior art keywords
twist drill
twist
drill
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
Other languages
English (en)
Inventor
Emerich Lackner
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 filed Critical
Application granted granted Critical
Publication of FR806621A publication Critical patent/FR806621A/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
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR806621D 1935-05-20 1936-05-20 Foret hélicoïdal dit Expired FR806621A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT454916X 1935-05-20

Publications (1)

Publication Number Publication Date
FR806621A true FR806621A (fr) 1936-12-21

Family

ID=3674472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806621D Expired FR806621A (fr) 1935-05-20 1936-05-20 Foret hélicoïdal dit

Country Status (4)

Country Link
BE (2) BE415644A (fr)
DE (1) DE709460C (fr)
FR (1) FR806621A (fr)
GB (1) GB454916A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205051C2 (de) * 1982-02-12 1983-12-22 Hermann Bilz Gmbh & Co, 7300 Esslingen Bohrwerkzeug
WO1997004908A1 (fr) * 1995-07-27 1997-02-13 Mays Ralph C Foret
FR2757432A1 (fr) * 1996-12-24 1998-06-26 Spit Soc Prospect Inv Techn Outil de percage a extremite de coupe
US8979445B2 (en) 2010-10-15 2015-03-17 Hanita Metal Factory Ltd Cutting tip and rotary cutting tool employing same

Also Published As

Publication number Publication date
DE709460C (de) 1941-08-16
GB454916A (en) 1936-10-09
BE415644A (fr)
BE415844A (fr)

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