FR501379A - Perceuse - Google Patents

Perceuse

Info

Publication number
FR501379A
FR501379A FR501379A FR501379DA FR501379A FR 501379 A FR501379 A FR 501379A FR 501379 A FR501379 A FR 501379A FR 501379D A FR501379D A FR 501379DA FR 501379 A FR501379 A FR 501379A
Authority
FR
France
Prior art keywords
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
FR501379A
Other languages
English (en)
Inventor
Walter C Beckwith
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.)
WALTER C BECKWITH
Original Assignee
WALTER C BECKWITH
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 WALTER C BECKWITH filed Critical WALTER C BECKWITH
Application granted granted Critical
Publication of FR501379A publication Critical patent/FR501379A/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
    • B23B51/10—Bits for countersinking
    • B23B51/102—Back spot-facing or chamfering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28—Drill jigs for workpieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR501379A 1919-07-03 1919-07-03 Perceuse Expired FR501379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR501379T 1919-07-03

Publications (1)

Publication Number Publication Date
FR501379A true FR501379A (fr) 1920-04-13

Family

ID=8905676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501379A Expired FR501379A (fr) 1919-07-03 1919-07-03 Perceuse

Country Status (1)

Country Link
FR (1) FR501379A (fr)

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