FR547439A - Perceuse à forets multiples - Google Patents

Perceuse à forets multiples

Info

Publication number
FR547439A
FR547439A FR547439DA FR547439A FR 547439 A FR547439 A FR 547439A FR 547439D A FR547439D A FR 547439DA FR 547439 A FR547439 A FR 547439A
Authority
FR
France
Prior art keywords
bit drill
drill
bit
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
Georges Cahen
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 FR547439A publication Critical patent/FR547439A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR547439D 1922-02-18 1922-02-18 Perceuse à forets multiples Expired FR547439A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR547439T 1922-02-18

Publications (1)

Publication Number Publication Date
FR547439A true FR547439A (fr) 1922-12-12

Family

ID=8934215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR547439D Expired FR547439A (fr) 1922-02-18 1922-02-18 Perceuse à forets multiples

Country Status (1)

Country Link
FR (1) FR547439A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20090015A1 (it) * 2009-01-30 2010-07-31 Andrea Canova Unita' operatrice particolarmente per la produzione di serie di fori o avvitature in travi di legno e relativo procedimento

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20090015A1 (it) * 2009-01-30 2010-07-31 Andrea Canova Unita' operatrice particolarmente per la produzione di serie di fori o avvitature in travi di legno e relativo procedimento

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