FR677667A - Machine à centrer électrique - Google Patents

Machine à centrer électrique

Info

Publication number
FR677667A
FR677667A FR677667DA FR677667A FR 677667 A FR677667 A FR 677667A FR 677667D A FR677667D A FR 677667DA FR 677667 A FR677667 A FR 677667A
Authority
FR
France
Prior art keywords
centering machine
electric centering
electric
machine
centering
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
Eugene Felix Chabot
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 filed Critical
Application granted granted Critical
Publication of FR677667A publication Critical patent/FR677667A/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)
  • Drilling And Boring (AREA)
FR677667D 1928-07-11 1929-07-01 Machine à centrer électrique Expired FR677667A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE315309X 1928-07-11

Publications (1)

Publication Number Publication Date
FR677667A true FR677667A (fr) 1930-03-13

Family

ID=3867618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677667D Expired FR677667A (fr) 1928-07-11 1929-07-01 Machine à centrer électrique

Country Status (2)

Country Link
FR (1) FR677667A (fr)
GB (1) GB315309A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2196664C1 (ru) * 2001-05-23 2003-01-20 Южно-Уральский государственный университет Способ образования заходного отверстия

Also Published As

Publication number Publication date
GB315309A (en) 1930-03-06

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