FR2567780B1 - METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES - Google Patents

METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES

Info

Publication number
FR2567780B1
FR2567780B1 FR8411582A FR8411582A FR2567780B1 FR 2567780 B1 FR2567780 B1 FR 2567780B1 FR 8411582 A FR8411582 A FR 8411582A FR 8411582 A FR8411582 A FR 8411582A FR 2567780 B1 FR2567780 B1 FR 2567780B1
Authority
FR
France
Prior art keywords
drilling
connection hole
straight holes
curved connection
curved
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
FR8411582A
Other languages
French (fr)
Other versions
FR2567780A1 (en
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
Priority to FR8411582A priority Critical patent/FR2567780B1/en
Publication of FR2567780A1 publication Critical patent/FR2567780A1/en
Application granted granted Critical
Publication of FR2567780B1 publication Critical patent/FR2567780B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
    • B23B5/365—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for toroidal surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FR8411582A 1984-07-20 1984-07-20 METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES Expired FR2567780B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8411582A FR2567780B1 (en) 1984-07-20 1984-07-20 METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411582A FR2567780B1 (en) 1984-07-20 1984-07-20 METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES

Publications (2)

Publication Number Publication Date
FR2567780A1 FR2567780A1 (en) 1986-01-24
FR2567780B1 true FR2567780B1 (en) 1987-06-26

Family

ID=9306349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411582A Expired FR2567780B1 (en) 1984-07-20 1984-07-20 METHOD AND DEVICE FOR DRILLING A CURVED CONNECTION HOLE BETWEEN TWO STRAIGHT HOLES

Country Status (1)

Country Link
FR (1) FR2567780B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191517957A (en) * 1915-12-23 1916-03-23 Rolls Royce Improvements in and relating to Curved Boring.
US1400983A (en) * 1920-02-06 1921-12-20 Rastall Arthur Robert Tone-arm for sound-reproducing machines
BE373640A (en) * 1929-10-03
GB835083A (en) * 1957-09-13 1960-05-18 Racal Engineering Ltd Improvements relating to methods of forming holes having curved axes
DE1927530A1 (en) * 1969-02-13 1970-08-27 Oberspree Kabelwerke Veb K Device for drilling arcuate holes in cable drums made of easily machinable materials
CH527389A (en) * 1970-08-13 1972-08-31 Sulzer Ag Process for the manufacture of pipe elbows from rolled or forged steel
US3769878A (en) * 1972-01-07 1973-11-06 Rech Appliquees Serap Soc Et Machine tool for machining components with toroidal sliding surfaces
FR2521464B1 (en) * 1982-02-16 1987-01-16 Pierre Lajoye METHOD AND DEVICE FOR PRODUCING ELBOW PIPES AND PIPE ELBOWS THUS OBTAINED

Also Published As

Publication number Publication date
FR2567780A1 (en) 1986-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse