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IT975741B - Compasso del tipo a balaustro - Google Patents

Compasso del tipo a balaustro

Info

Publication number
IT975741B
IT975741B IT70587/72A IT7058772A IT975741B IT 975741 B IT975741 B IT 975741B IT 70587/72 A IT70587/72 A IT 70587/72A IT 7058772 A IT7058772 A IT 7058772A IT 975741 B IT975741 B IT 975741B
Authority
IT
Italy
Prior art keywords
compass
balustrade
type
balustrade type
Prior art date
Application number
IT70587/72A
Other languages
English (en)
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Application granted granted Critical
Publication of IT975741B publication Critical patent/IT975741B/it

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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
IT70587/72A 1971-11-16 1972-11-15 Compasso del tipo a balaustro IT975741B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140919A FR2161163A5 (it) 1971-11-16 1971-11-16

Publications (1)

Publication Number Publication Date
IT975741B true IT975741B (it) 1974-08-10

Family

ID=9085820

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70587/72A IT975741B (it) 1971-11-16 1972-11-15 Compasso del tipo a balaustro

Country Status (6)

Country Link
US (1) US3745662A (it)
JP (1) JPS527773B2 (it)
DE (2) DE2264990C2 (it)
FR (1) FR2161163A5 (it)
GB (1) GB1366023A (it)
IT (1) IT975741B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106200A (en) * 1976-02-02 1978-08-15 David Maxwell Marker compass
DE2718627C2 (de) * 1977-04-27 1981-04-16 Rotring-Werke Riepe Kg, 2000 Hamburg Zirkelkopf für einen Federbügelzirkel
DE3207991C2 (de) * 1982-03-05 1984-08-09 Fa. J.S. Staedtler, 8500 Nürnberg Zirkel mit Einstellspindel
DE3838473C1 (en) * 1988-03-15 1989-06-01 Intertech Zeichengeraete Guenther Partes Kg, 8535 Emskirchen, De Fine adjustment compass
DE4411828A1 (de) * 1994-03-31 1995-10-05 Reimar Koerth Teilzirkel
US20050079079A1 (en) * 2003-10-09 2005-04-14 Wahlin Sigvard J. Dilution system
CN108656801A (zh) * 2018-05-08 2018-10-16 吴烁 一种应用于教育教学的数学教学用辅助教学装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE176441C (it) *
DE356998C (de) * 1922-08-11 Reisszeugfabrik Pfronten Teilzirkel
US335740A (en) * 1886-02-09 Assigfoe to
US3110111A (en) * 1960-08-01 1963-11-12 Frank C Pachter Quick adjusting means for relatively positionable members
DE1461568A1 (de) 1963-04-10 1969-01-02 Clemens Riefler Fabrik Mathem Zirkel mit einer beide Schenkel einstellbar miteinander verbindenden Spindel

Also Published As

Publication number Publication date
DE2255521A1 (de) 1973-06-14
DE2264990A1 (de) 1975-10-30
FR2161163A5 (it) 1973-07-06
DE2255521B2 (de) 1976-12-16
US3745662A (en) 1973-07-17
GB1366023A (en) 1974-09-04
DE2255521C3 (de) 1979-08-30
JPS527773B2 (it) 1977-03-04
DE2264990C2 (de) 1982-03-25
JPS4862521A (it) 1973-08-31

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