FR644306A - Foret de centrage - Google Patents

Foret de centrage

Info

Publication number
FR644306A
FR644306A FR644306DA FR644306A FR 644306 A FR644306 A FR 644306A FR 644306D A FR644306D A FR 644306DA FR 644306 A FR644306 A FR 644306A
Authority
FR
France
Prior art keywords
centering drill
centering
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)
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.)
Arendt & Weicher Soc
Original Assignee
Arendt & Weicher Soc
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 Arendt & Weicher Soc filed Critical Arendt & Weicher Soc
Application granted granted Critical
Publication of FR644306A publication Critical patent/FR644306A/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
    • B23B51/0063—Centerdrills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR644306D 1926-11-22 1927-11-21 Foret de centrage Expired FR644306A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE280970X 1926-11-22

Publications (1)

Publication Number Publication Date
FR644306A true FR644306A (fr) 1928-10-05

Family

ID=6033744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644306D Expired FR644306A (fr) 1926-11-22 1927-11-21 Foret de centrage

Country Status (2)

Country Link
FR (1) FR644306A (fr)
GB (1) GB280970A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109123940B (zh) * 2018-10-10 2020-03-24 温州推前浪网络科技有限公司 一种装饰珠子钻孔设备

Also Published As

Publication number Publication date
GB280970A (en) 1928-03-01

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