FR2281807B1 - - Google Patents

Info

Publication number
FR2281807B1
FR2281807B1 FR7428640A FR7428640A FR2281807B1 FR 2281807 B1 FR2281807 B1 FR 2281807B1 FR 7428640 A FR7428640 A FR 7428640A FR 7428640 A FR7428640 A FR 7428640A FR 2281807 B1 FR2281807 B1 FR 2281807B1
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
FR7428640A
Other languages
French (fr)
Other versions
FR2281807A1 (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.)
SVAMN
Original Assignee
SVAMN
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 SVAMN filed Critical SVAMN
Priority to FR7428640A priority Critical patent/FR2281807A1/fr
Publication of FR2281807A1 publication Critical patent/FR2281807A1/fr
Application granted granted Critical
Publication of FR2281807B1 publication Critical patent/FR2281807B1/fr
Granted 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
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
FR7428640A 1974-08-12 1974-08-12 Outil rotatif de percage Granted FR2281807A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7428640A FR2281807A1 (fr) 1974-08-12 1974-08-12 Outil rotatif de percage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7428640A FR2281807A1 (fr) 1974-08-12 1974-08-12 Outil rotatif de percage

Publications (2)

Publication Number Publication Date
FR2281807A1 FR2281807A1 (fr) 1976-03-12
FR2281807B1 true FR2281807B1 (OSRAM) 1977-07-08

Family

ID=9142492

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428640A Granted FR2281807A1 (fr) 1974-08-12 1974-08-12 Outil rotatif de percage

Country Status (1)

Country Link
FR (1) FR2281807A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572668A1 (fr) * 1984-11-07 1986-05-09 Vacelet Claude Materiels techniques permettant le faconnage d'un assemblage cylindrique a epaulement encastre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663203A (en) * 1952-02-12 1953-12-22 Fried Armin Deburring, chamfering, and countersinking tool

Also Published As

Publication number Publication date
FR2281807A1 (fr) 1976-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse