FR502174A - Machine semi-automatique à centrer et à percer les centres - Google Patents

Machine semi-automatique à centrer et à percer les centres

Info

Publication number
FR502174A
FR502174A FR502174A FR502174DA FR502174A FR 502174 A FR502174 A FR 502174A FR 502174 A FR502174 A FR 502174A FR 502174D A FR502174D A FR 502174DA FR 502174 A FR502174 A FR 502174A
Authority
FR
France
Prior art keywords
centering
semi
automatic machine
drilling centers
centers
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
FR502174A
Other languages
English (en)
Inventor
Felix-Louis Jouve
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.)
FELIX-LOUIS JOUVE
Original Assignee
FELIX-LOUIS JOUVE
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 FELIX-LOUIS JOUVE filed Critical FELIX-LOUIS JOUVE
Application granted granted Critical
Publication of FR502174A publication Critical patent/FR502174A/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)
FR502174A 1919-08-02 1919-08-02 Machine semi-automatique à centrer et à percer les centres Expired FR502174A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR502174T 1919-08-02

Publications (1)

Publication Number Publication Date
FR502174A true FR502174A (fr) 1920-05-06

Family

ID=8906190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502174A Expired FR502174A (fr) 1919-08-02 1919-08-02 Machine semi-automatique à centrer et à percer les centres

Country Status (1)

Country Link
FR (1) FR502174A (fr)

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