FR989811A - Machine automatique à tailler les forets hélicoïdaux - Google Patents

Machine automatique à tailler les forets hélicoïdaux

Info

Publication number
FR989811A
FR989811A FR989811DA FR989811A FR 989811 A FR989811 A FR 989811A FR 989811D A FR989811D A FR 989811DA FR 989811 A FR989811 A FR 989811A
Authority
FR
France
Prior art keywords
cutting machine
twist drill
drill cutting
automatic twist
automatic
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.)
CIE DES FORETS AMERICAINS PERF
Original Assignee
CIE DES FORETS AMERICAINS PERF
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 CIE DES FORETS AMERICAINS PERF filed Critical CIE DES FORETS AMERICAINS PERF
Application granted granted Critical
Publication of FR989811A publication Critical patent/FR989811A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/32—Milling helical grooves, e.g. in making twist-drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR989811D 1949-04-29 1949-04-29 Machine automatique à tailler les forets hélicoïdaux Expired FR989811A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989811T 1949-04-29

Publications (1)

Publication Number Publication Date
FR989811A true FR989811A (fr) 1951-09-13

Family

ID=9540508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989811D Expired FR989811A (fr) 1949-04-29 1949-04-29 Machine automatique à tailler les forets hélicoïdaux

Country Status (1)

Country Link
FR (1) FR989811A (fr)

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