SE7801840L - Apparat for ritning av ellipser - Google Patents

Apparat for ritning av ellipser

Info

Publication number
SE7801840L
SE7801840L SE7801840A SE7801840A SE7801840L SE 7801840 L SE7801840 L SE 7801840L SE 7801840 A SE7801840 A SE 7801840A SE 7801840 A SE7801840 A SE 7801840A SE 7801840 L SE7801840 L SE 7801840L
Authority
SE
Sweden
Prior art keywords
eliples
appliance
drawing electrical
electrical
electrical eliples
Prior art date
Application number
SE7801840A
Other languages
English (en)
Swedish (sv)
Inventor
Sok
Original Assignee
Magnat Pierre
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 Magnat Pierre filed Critical Magnat Pierre
Publication of SE7801840L publication Critical patent/SE7801840L/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
SE7801840A 1977-02-21 1978-02-17 Apparat for ritning av ellipser SE7801840L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7705493A FR2380897A2 (fr) 1977-02-21 1977-02-21 Appareil pour tracer des ellipses

Publications (1)

Publication Number Publication Date
SE7801840L true SE7801840L (sv) 1978-08-22

Family

ID=9187213

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7801840A SE7801840L (sv) 1977-02-21 1978-02-17 Apparat for ritning av ellipser

Country Status (13)

Country Link
US (1) US4166320A (pm)
JP (1) JPS53120929A (pm)
AU (1) AU514379B2 (pm)
BE (1) BE864100A (pm)
BR (1) BR7801009A (pm)
CA (1) CA1101661A (pm)
CH (1) CH619650A5 (pm)
DE (1) DE2807157A1 (pm)
ES (1) ES467193A1 (pm)
FR (1) FR2380897A2 (pm)
GB (1) GB1574588A (pm)
IT (1) IT1094223B (pm)
SE (1) SE7801840L (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189800A (en) * 1989-05-08 1993-03-02 Shiro Morita Device for drawing elliptical curves

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422252A (en) * 1890-02-25 Ellipsograph
DE80177C (pm) *
GB191023062A (en) * 1910-10-05 1911-05-25 New Ideas Company Ltd Improvements in Ellipsographs.
GB662997A (en) * 1949-05-30 1951-12-12 Mollart Engineering Company Lt Improvements in or relating to devices for drawing ellipses
US2646623A (en) * 1951-05-01 1953-07-28 Jesse C Coats Ellipsograph
US2879596A (en) * 1954-12-28 1959-03-31 Henry A Kroenlein Ellipsograph
US2996804A (en) * 1957-08-06 1961-08-22 Burton W Hancox Apparatus for drawing ellipses
FR1495005A (fr) * 1966-08-05 1967-09-15 Instrument de dessin pour tracer des ellipses

Also Published As

Publication number Publication date
IT7820468A0 (it) 1978-02-21
BE864100A (fr) 1978-06-16
AU514379B2 (en) 1981-02-05
DE2807157A1 (de) 1978-08-24
CA1101661A (fr) 1981-05-26
US4166320A (en) 1979-09-04
CH619650A5 (pm) 1980-10-15
AU3340278A (en) 1979-08-23
FR2380897B2 (pm) 1982-11-05
BR7801009A (pt) 1978-10-03
IT1094223B (it) 1985-07-26
GB1574588A (en) 1980-09-10
JPS53120929A (en) 1978-10-21
FR2380897A2 (fr) 1978-09-15
ES467193A1 (es) 1978-11-16

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