BR7801009A - Aparelho para tracar elipses - Google Patents

Aparelho para tracar elipses

Info

Publication number
BR7801009A
BR7801009A BR7801009A BR7801009A BR7801009A BR 7801009 A BR7801009 A BR 7801009A BR 7801009 A BR7801009 A BR 7801009A BR 7801009 A BR7801009 A BR 7801009A BR 7801009 A BR7801009 A BR 7801009A
Authority
BR
Brazil
Prior art keywords
ellipses
appliance
track
track ellipses
Prior art date
Application number
BR7801009A
Other languages
English (en)
Portuguese (pt)
Inventor
P Magnat
Original Assignee
P Magnat
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 P Magnat filed Critical P Magnat
Publication of BR7801009A publication Critical patent/BR7801009A/pt

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)
BR7801009A 1977-02-21 1978-02-20 Aparelho para tracar elipses BR7801009A (pt)

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
BR7801009A true BR7801009A (pt) 1978-10-03

Family

ID=9187213

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7801009A BR7801009A (pt) 1977-02-21 1978-02-20 Aparelho para tracar elipses

Country Status (13)

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

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
DE80177C (forum.php) *
US422252A (en) * 1890-02-25 Ellipsograph
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
CH619650A5 (forum.php) 1980-10-15
IT7820468A0 (it) 1978-02-21
SE7801840L (sv) 1978-08-22
US4166320A (en) 1979-09-04
DE2807157A1 (de) 1978-08-24
FR2380897A2 (fr) 1978-09-15
AU3340278A (en) 1979-08-23
CA1101661A (fr) 1981-05-26
FR2380897B2 (forum.php) 1982-11-05
ES467193A1 (es) 1978-11-16
BE864100A (fr) 1978-06-16
GB1574588A (en) 1980-09-10
IT1094223B (it) 1985-07-26
AU514379B2 (en) 1981-02-05
JPS53120929A (en) 1978-10-21

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