DE129961C - - Google Patents

Info

Publication number
DE129961C
DE129961C DENDAT129961D DE129961DA DE129961C DE 129961 C DE129961 C DE 129961C DE NDAT129961 D DENDAT129961 D DE NDAT129961D DE 129961D A DE129961D A DE 129961DA DE 129961 C DE129961 C DE 129961C
Authority
DE
Germany
Prior art keywords
knife
plate
ellipses
cutting roller
rollers
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.)
Active
Application number
DENDAT129961D
Other languages
German (de)
English (en)
Publication of DE129961C publication Critical patent/DE129961C/de
Active 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)
  • Nonmetal Cutting Devices (AREA)
DENDAT129961D Active DE129961C (https=)

Publications (1)

Publication Number Publication Date
DE129961C true DE129961C (https=)

Family

ID=398386

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT129961D Active DE129961C (https=)

Country Status (1)

Country Link
DE (1) DE129961C (https=)

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