FR487541A - Machine à percer à forets multiples - Google Patents

Machine à percer à forets multiples

Info

Publication number
FR487541A
FR487541A FR487541DA FR487541A FR 487541 A FR487541 A FR 487541A FR 487541D A FR487541D A FR 487541DA FR 487541 A FR487541 A FR 487541A
Authority
FR
France
Prior art keywords
drilling machine
bit drilling
bit
machine
drilling
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)
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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme Co filed Critical National Acme Co
Application granted granted Critical
Publication of FR487541A publication Critical patent/FR487541A/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
    • B23B39/162—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles having gear transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR487541D 1917-11-12 1917-11-12 Machine à percer à forets multiples Expired FR487541A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487541T 1917-11-12

Publications (1)

Publication Number Publication Date
FR487541A true FR487541A (fr) 1918-07-10

Family

ID=1524012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487541D Expired FR487541A (fr) 1917-11-12 1917-11-12 Machine à percer à forets multiples

Country Status (1)

Country Link
FR (1) FR487541A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225408A (zh) * 2016-03-23 2017-10-03 济南硕超数控设备有限公司 一种多维数控高速钻床

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225408A (zh) * 2016-03-23 2017-10-03 济南硕超数控设备有限公司 一种多维数控高速钻床

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