FR429821A - Outil à centrer les pièces à tourner - Google Patents

Outil à centrer les pièces à tourner

Info

Publication number
FR429821A
FR429821A FR429821DA FR429821A FR 429821 A FR429821 A FR 429821A FR 429821D A FR429821D A FR 429821DA FR 429821 A FR429821 A FR 429821A
Authority
FR
France
Prior art keywords
turned
tool
center
parts
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
Auguste Piedallu
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.)
AUGUSTE PIEDALLU
Original Assignee
AUGUSTE PIEDALLU
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 AUGUSTE PIEDALLU filed Critical AUGUSTE PIEDALLU
Application granted granted Critical
Publication of FR429821A publication Critical patent/FR429821A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/04—Devices for boring or drilling centre holes in workpieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR429821D 1911-04-22 1911-04-22 Outil à centrer les pièces à tourner Expired FR429821A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR429821T 1911-04-22

Publications (1)

Publication Number Publication Date
FR429821A true FR429821A (fr) 1911-10-02

Family

ID=1472119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR429821D Expired FR429821A (fr) 1911-04-22 1911-04-22 Outil à centrer les pièces à tourner

Country Status (1)

Country Link
FR (1) FR429821A (fr)

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