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FR1068914A - Improvements in the manufacture of twist drills - Google Patents

Improvements in the manufacture of twist drills

Info

Publication number
FR1068914A
FR1068914A FR1068914DA FR1068914A FR 1068914 A FR1068914 A FR 1068914A FR 1068914D A FR1068914D A FR 1068914DA FR 1068914 A FR1068914 A FR 1068914A
Authority
FR
France
Prior art keywords
manufacture
twist drills
drills
twist
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
French (fr)
Inventor
Gaston-Charles Ory
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 FR1068914A publication Critical patent/FR1068914A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1068914D 1952-10-01 1952-10-01 Improvements in the manufacture of twist drills Expired FR1068914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1068914T 1952-10-01

Publications (1)

Publication Number Publication Date
FR1068914A true FR1068914A (en) 1954-07-01

Family

ID=9603950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1068914D Expired FR1068914A (en) 1952-10-01 1952-10-01 Improvements in the manufacture of twist drills

Country Status (1)

Country Link
FR (1) FR1068914A (en)

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