[go: up one dir, main page]

FR1019062A - Improvements to devices for tracing ellipses - Google Patents

Improvements to devices for tracing ellipses

Info

Publication number
FR1019062A
FR1019062A FR1019062DA FR1019062A FR 1019062 A FR1019062 A FR 1019062A FR 1019062D A FR1019062D A FR 1019062DA FR 1019062 A FR1019062 A FR 1019062A
Authority
FR
France
Prior art keywords
ellipses
tracing
devices
tracing ellipses
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
Other languages
French (fr)
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.)
MOLLART ENGINEERING Co LT
Original Assignee
MOLLART ENGINEERING Co LT
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 MOLLART ENGINEERING Co LT filed Critical MOLLART ENGINEERING Co LT
Application granted granted Critical
Publication of FR1019062A publication Critical patent/FR1019062A/en
Expired 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)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
FR1019062D 1949-05-30 1950-05-25 Improvements to devices for tracing ellipses Expired FR1019062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1447149A GB662997A (en) 1949-05-30 1949-05-30 Improvements in or relating to devices for drawing ellipses

Publications (1)

Publication Number Publication Date
FR1019062A true FR1019062A (en) 1953-01-16

Family

ID=10041781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1019062D Expired FR1019062A (en) 1949-05-30 1950-05-25 Improvements to devices for tracing ellipses

Country Status (2)

Country Link
FR (1) FR1019062A (en)
GB (1) GB662997A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045350A (en) * 1960-03-28 1962-07-24 Attilio R Spicacci Method and apparatus for describing circular arcs
FR2380897A2 (en) * 1977-02-21 1978-09-15 Magnat Pierre APPARATUS FOR TRACING ELLIPSES
GB8825034D0 (en) * 1988-10-21 1988-11-30 Fitch P J Apparatus for describing curve

Also Published As

Publication number Publication date
GB662997A (en) 1951-12-12

Similar Documents

Publication Publication Date Title
FR997657A (en) Improvements to vehicle tracks
FR1022682A (en) Improvements to stud locking devices
FR1014151A (en) Improvements to suspension devices
FR1011439A (en) Improvements to combustion devices
FR993310A (en) Improvement in gravelling devices
FR1019062A (en) Improvements to devices for tracing ellipses
FR1027901A (en) Improvements to smoking devices
FR1026828A (en) Improvements to signaling devices
FR1005913A (en) Improvements to obturator devices
FR1023725A (en) Improvements to indicating devices
FR1036584A (en) Improvements made to devices for drying coal
FR1064610A (en) Improvements to chimney sweeping devices for boilers
FR1000129A (en) Improvements to taps
FR1011319A (en) Improvements to lapping devices
FR1013293A (en) Improvements to loose-leaf filing devices
FR1091608A (en) Improvements to forming devices
FR1019952A (en) Improvements to sealing devices
FR995694A (en) Improvements to telecine devices
FR1010169A (en) Improvements to clamping devices
FR986722A (en) Improvements to marking devices for response curve plotters
FR984579A (en) Refinements to ribbon inking devices
FR998738A (en) Improvements to reflective devices
FR1075697A (en) Improvements to devices for dedusting fluids
FR59657E (en) Improvements to fishing devices
FR1013585A (en) Improvements to telecommunications devices