FR829126A - Foret hélicoïdal - Google Patents

Foret hélicoïdal

Info

Publication number
FR829126A
FR829126A FR829126DA FR829126A FR 829126 A FR829126 A FR 829126A FR 829126D A FR829126D A FR 829126DA FR 829126 A FR829126 A FR 829126A
Authority
FR
France
Prior art keywords
twist drill
twist
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
Albert Edward Shiner
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 FR829126A publication Critical patent/FR829126A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/08—Side or plan views of cutting edges
    • B23B2251/087—Cutting edges with a wave form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/48—Chip breakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR829126D 1936-11-24 1937-11-16 Foret hélicoïdal Expired FR829126A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3217736A GB471709A (en) 1936-11-24 1936-11-24 Improvements in and relating to twist drills

Publications (1)

Publication Number Publication Date
FR829126A true FR829126A (fr) 1938-06-13

Family

ID=10334487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829126D Expired FR829126A (fr) 1936-11-24 1937-11-16 Foret hélicoïdal

Country Status (3)

Country Link
BE (1) BE424785A (fr)
FR (1) FR829126A (fr)
GB (1) GB471709A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201910A (en) * 1987-02-23 1988-09-14 Joseph Spencer Drilling bit
DE3730378A1 (de) * 1987-09-10 1989-03-23 Micro Crystal Ag Schneidwerkzeug, insbesondere bohrer und/oder fraeser
SE533679C2 (sv) * 2009-04-07 2010-11-30 Sandvik Intellectual Property Solid stegborr

Also Published As

Publication number Publication date
BE424785A (fr)
GB471709A (en) 1937-09-09

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