FR484735A - Drilling tool and especially counter-drilling tool - Google Patents

Drilling tool and especially counter-drilling tool

Info

Publication number
FR484735A
FR484735A FR484735DA FR484735A FR 484735 A FR484735 A FR 484735A FR 484735D A FR484735D A FR 484735DA FR 484735 A FR484735 A FR 484735A
Authority
FR
France
Prior art keywords
drilling tool
especially counter
counter
drilling
tool
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
French (fr)
Inventor
Emil Gairing
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.)
ECLIPSE INTERCHANGEABLE COUNTE
Original Assignee
ECLIPSE INTERCHANGEABLE COUNTE
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 ECLIPSE INTERCHANGEABLE COUNTE filed Critical ECLIPSE INTERCHANGEABLE COUNTE
Application granted granted Critical
Publication of FR484735A publication Critical patent/FR484735A/en
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
    • B23B51/10—Bits for countersinking
    • B23B51/107—Bits for countersinking having a pilot

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR484735D 1915-12-31 1917-03-08 Drilling tool and especially counter-drilling tool Expired FR484735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US484735XA 1915-12-31 1915-12-31

Publications (1)

Publication Number Publication Date
FR484735A true FR484735A (en) 1917-10-31

Family

ID=32243968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR484735D Expired FR484735A (en) 1915-12-31 1917-03-08 Drilling tool and especially counter-drilling tool

Country Status (2)

Country Link
FR (1) FR484735A (en)
GB (1) GB109738A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2974747B1 (en) * 2011-05-04 2014-04-18 Aircelle Sa MULTIPURPOSE DRILLING TOOL AND TOOLBOX THEREFOR
CN107775024A (en) * 2016-08-31 2018-03-09 富鼎电子科技(嘉善)有限公司 The processing method of square hole

Also Published As

Publication number Publication date
GB109738A (en) 1917-09-27

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