FR376108A - Perfectionnements apportés aux porte-forets - Google Patents

Perfectionnements apportés aux porte-forets

Info

Publication number
FR376108A
FR376108A FR376108DA FR376108A FR 376108 A FR376108 A FR 376108A FR 376108D A FR376108D A FR 376108DA FR 376108 A FR376108 A FR 376108A
Authority
FR
France
Prior art keywords
improvements made
drill holders
holders
drill
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
Hans Heynau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR376108A publication Critical patent/FR376108A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/223—Jaws in the form of cylindrical elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR376108D 1906-07-07 1907-03-25 Perfectionnements apportés aux porte-forets Expired FR376108A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE205455T 1906-07-07

Publications (1)

Publication Number Publication Date
FR376108A true FR376108A (fr) 1907-08-01

Family

ID=8895025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR376108D Expired FR376108A (fr) 1906-07-07 1907-03-25 Perfectionnements apportés aux porte-forets

Country Status (2)

Country Link
DE (1) DE205455C (fr)
FR (1) FR376108A (fr)

Also Published As

Publication number Publication date
DE205455C (fr)

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