FR2180275A5 - - Google Patents

Info

Publication number
FR2180275A5
FR2180275A5 FR7213886A FR7213886A FR2180275A5 FR 2180275 A5 FR2180275 A5 FR 2180275A5 FR 7213886 A FR7213886 A FR 7213886A FR 7213886 A FR7213886 A FR 7213886A FR 2180275 A5 FR2180275 A5 FR 2180275A5
Authority
FR
France
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
FR7213886A
Other languages
French (fr)
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.)
MAVILOR FR
Manufacture de Vilebrequins de Lorette SA MAVILOR
Original Assignee
MAVILOR FR
Manufacture de Vilebrequins de Lorette SA MAVILOR
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 MAVILOR FR, Manufacture de Vilebrequins de Lorette SA MAVILOR filed Critical MAVILOR FR
Priority to FR7213886A priority Critical patent/FR2180275A5/fr
Priority to ES411890A priority patent/ES411890A1/es
Application granted granted Critical
Publication of FR2180275A5 publication Critical patent/FR2180275A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
    • 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
    • B23B2251/18—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
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR7213886A 1972-04-14 1972-04-14 Expired FR2180275A5 (enExample)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7213886A FR2180275A5 (enExample) 1972-04-14 1972-04-14
ES411890A ES411890A1 (es) 1972-04-14 1973-02-21 Mejoras introducidas en la fabricacion de brocas de alma gruesa y dispositivo para el afilado de las mismas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213886A FR2180275A5 (enExample) 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
FR2180275A5 true FR2180275A5 (enExample) 1973-11-23

Family

ID=9097193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213886A Expired FR2180275A5 (enExample) 1972-04-14 1972-04-14

Country Status (2)

Country Link
ES (1) ES411890A1 (enExample)
FR (1) FR2180275A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084855A3 (en) * 1982-01-26 1984-10-17 Guhring, Gottlieb Device for grinding, particularly for thinning a twist drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084855A3 (en) * 1982-01-26 1984-10-17 Guhring, Gottlieb Device for grinding, particularly for thinning a twist drill

Also Published As

Publication number Publication date
ES411890A1 (es) 1976-01-01

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Legal Events

Date Code Title Description
CL Concession to grant licenses
RL Notice of termination of a license
ST Notification of lapse