ZA715821B - Improvements in or relating to drawing board protractor unit - Google Patents

Improvements in or relating to drawing board protractor unit

Info

Publication number
ZA715821B
ZA715821B ZA715821A ZA715821A ZA715821B ZA 715821 B ZA715821 B ZA 715821B ZA 715821 A ZA715821 A ZA 715821A ZA 715821 A ZA715821 A ZA 715821A ZA 715821 B ZA715821 B ZA 715821B
Authority
ZA
South Africa
Prior art keywords
relating
drawing board
protractor unit
protractor
unit
Prior art date
Application number
ZA715821A
Inventor
A Bruneau
Original Assignee
Alpia Sa
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 Alpia Sa filed Critical Alpia Sa
Publication of ZA715821B publication Critical patent/ZA715821B/en

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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/08—Protractor heads
ZA715821A 1970-09-10 1971-08-31 Improvements in or relating to drawing board protractor unit ZA715821B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032925A FR2105534A5 (en) 1970-09-10 1970-09-10

Publications (1)

Publication Number Publication Date
ZA715821B true ZA715821B (en) 1972-05-31

Family

ID=9061157

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715821A ZA715821B (en) 1970-09-10 1971-08-31 Improvements in or relating to drawing board protractor unit

Country Status (6)

Country Link
US (1) US3758953A (en)
JP (1) JPS5221922B2 (en)
CH (1) CH543974A (en)
FR (1) FR2105534A5 (en)
GB (1) GB1356823A (en)
ZA (1) ZA715821B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519586B1 (en) * 1982-01-11 1988-03-18 Alpia Sa DEVICE FOR CONTROLLING THE ANGULAR INDEXING MECHANISM OF THE RULES OF A DRAWING APPARATUS HEAD
DE3206550C1 (en) * 1982-02-24 1983-05-05 Franz Kuhlmann Präzisionsmechanik und Maschinenbau GmbH & Co KG, 2940 Wilhelmshaven Drawing head for drawing machines
JPS59190595U (en) * 1983-06-01 1984-12-18 武藤工業株式会社 head of free parallel ruler

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE12824C (en) * 1900-01-01 H. HÖLSCHER in Lengerich, Westfalen Improvements to a bag machine for making paper sacks. (IL
DE1511477B2 (en) * 1966-12-01 1973-10-25 Fa. Franz Schmidt & Haensch, 1000 Berlin Switching mechanism for a drawing head

Also Published As

Publication number Publication date
JPS5221922B2 (en) 1977-06-14
CH543974A (en) 1973-11-15
GB1356823A (en) 1974-06-19
FR2105534A5 (en) 1972-04-28
JPS4873230A (en) 1973-10-03
US3758953A (en) 1973-09-18

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