DE2349367A1 - Ellipsenzirkel - Google Patents

Ellipsenzirkel

Info

Publication number
DE2349367A1
DE2349367A1 DE19732349367 DE2349367A DE2349367A1 DE 2349367 A1 DE2349367 A1 DE 2349367A1 DE 19732349367 DE19732349367 DE 19732349367 DE 2349367 A DE2349367 A DE 2349367A DE 2349367 A1 DE2349367 A1 DE 2349367A1
Authority
DE
Germany
Prior art keywords
angled
ruler
slide
angled triangle
elliptical
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.)
Pending
Application number
DE19732349367
Other languages
German (de)
English (en)
Inventor
Alfredo Adragna
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
Priority claimed from IT8627872A external-priority patent/IT970898B/it
Priority claimed from IT6580573A external-priority patent/IT1045977B/it
Application filed by Individual filed Critical Individual
Priority to DE19732349367 priority Critical patent/DE2349367A1/de
Priority to FR7335127A priority patent/FR2201977B1/fr
Priority to JP48111595A priority patent/JPS4993130A/ja
Publication of DE2349367A1 publication Critical patent/DE2349367A1/de
Pending legal-status Critical Current

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)
  • Drawing Aids And Blackboards (AREA)
DE19732349367 1972-10-07 1973-10-02 Ellipsenzirkel Pending DE2349367A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19732349367 DE2349367A1 (de) 1972-10-07 1973-10-02 Ellipsenzirkel
FR7335127A FR2201977B1 (enExample) 1972-10-07 1973-10-02
JP48111595A JPS4993130A (enExample) 1972-10-07 1973-10-05

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT8627872A IT970898B (it) 1972-10-07 1972-10-07 Elissografo completo realizzato mediante una squadra girevole ed un pegolo allungabile provvisto di due punte traccianti montate su cursore
IT6580573A IT1045977B (it) 1973-07-05 1973-07-05 Ellissografo completo realizzato mediante una squadra girevole ed un regolo allungabile provvisto di due punte traccianti montate su cursore
DE19732349367 DE2349367A1 (de) 1972-10-07 1973-10-02 Ellipsenzirkel

Publications (1)

Publication Number Publication Date
DE2349367A1 true DE2349367A1 (de) 1975-04-03

Family

ID=27185540

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732349367 Pending DE2349367A1 (de) 1972-10-07 1973-10-02 Ellipsenzirkel

Country Status (3)

Country Link
JP (1) JPS4993130A (enExample)
DE (1) DE2349367A1 (enExample)
FR (1) FR2201977B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108407506A (zh) * 2018-03-06 2018-08-17 范科晨 一种多功能教学尺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621337A (en) * 1947-02-19 1949-04-07 David Mcdougall Gladstone Improvements relating to appliances for drawing ellipses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108407506A (zh) * 2018-03-06 2018-08-17 范科晨 一种多功能教学尺

Also Published As

Publication number Publication date
FR2201977A1 (enExample) 1974-05-03
FR2201977B1 (enExample) 1976-10-01
JPS4993130A (enExample) 1974-09-05

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Legal Events

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