FR564501A - Foret hélicoïdal - Google Patents

Foret hélicoïdal

Info

Publication number
FR564501A
FR564501A FR564501DA FR564501A FR 564501 A FR564501 A FR 564501A FR 564501D A FR564501D A FR 564501DA FR 564501 A FR564501 A FR 564501A
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
Didier Hajos
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 FR564501A publication Critical patent/FR564501A/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
    • B23B2251/247—Drilling tools having a working portion at both ends of the shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR564501D 1923-03-30 1923-03-30 Foret hélicoïdal Expired FR564501A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564501T 1923-03-30

Publications (1)

Publication Number Publication Date
FR564501A true FR564501A (fr) 1924-01-04

Family

ID=8945793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564501D Expired FR564501A (fr) 1923-03-30 1923-03-30 Foret hélicoïdal

Country Status (1)

Country Link
FR (1) FR564501A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018856A1 (fr) * 2003-08-13 2005-03-03 Kennametal Inc. Outil de perçage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018856A1 (fr) * 2003-08-13 2005-03-03 Kennametal Inc. Outil de perçage
US7364390B2 (en) 2003-08-13 2008-04-29 Kennametal Inc. Drilling tool
CN100503104C (zh) * 2003-08-13 2009-06-24 钴碳化钨硬质合金公司 钻孔工具和包括这种钻孔工具的钻孔工具组及钻孔装置
JP4824557B2 (ja) * 2003-08-13 2011-11-30 ケンナメタル インコーポレイテッド 穴あけ工具と装置および穴あけ工具のセット

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