FR504866A - Machine à tailler les forets hélicoidaux - Google Patents

Machine à tailler les forets hélicoidaux

Info

Publication number
FR504866A
FR504866A FR504866A FR504866DA FR504866A FR 504866 A FR504866 A FR 504866A FR 504866 A FR504866 A FR 504866A FR 504866D A FR504866D A FR 504866DA FR 504866 A FR504866 A FR 504866A
Authority
FR
France
Prior art keywords
cutting machine
twist drill
drill cutting
twist
machine
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
FR504866A
Other languages
English (en)
Inventor
Peter Pietrzycki
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 FR504866A publication Critical patent/FR504866A/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)
FR504866A 1919-10-14 1919-10-14 Machine à tailler les forets hélicoidaux Expired FR504866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR504866T 1919-10-14

Publications (1)

Publication Number Publication Date
FR504866A true FR504866A (fr) 1920-07-19

Family

ID=8908081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504866A Expired FR504866A (fr) 1919-10-14 1919-10-14 Machine à tailler les forets hélicoidaux

Country Status (1)

Country Link
FR (1) FR504866A (fr)

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