FR640340A - Porte-forets - Google Patents

Porte-forets

Info

Publication number
FR640340A
FR640340A FR640340DA FR640340A FR 640340 A FR640340 A FR 640340A FR 640340D A FR640340D A FR 640340DA FR 640340 A FR640340 A FR 640340A
Authority
FR
France
Prior art keywords
drill holder
drill
holder
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
Jean Roggwiller
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 FR640340A publication Critical patent/FR640340A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR640340D 1926-09-10 1927-09-01 Porte-forets Expired FR640340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE640340X 1926-09-10

Publications (1)

Publication Number Publication Date
FR640340A true FR640340A (fr) 1928-07-10

Family

ID=6579969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640340D Expired FR640340A (fr) 1926-09-10 1927-09-01 Porte-forets

Country Status (1)

Country Link
FR (1) FR640340A (fr)

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