DE884761C - Writing and drawing board - Google Patents
Writing and drawing boardInfo
- Publication number
- DE884761C DE884761C DEK6840D DEK0006840D DE884761C DE 884761 C DE884761 C DE 884761C DE K6840 D DEK6840 D DE K6840D DE K0006840 D DEK0006840 D DE K0006840D DE 884761 C DE884761 C DE 884761C
- Authority
- DE
- Germany
- Prior art keywords
- writing
- drawing board
- color
- white
- black
- 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
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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
Landscapes
- Drawing Aids And Blackboards (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
Schreib- und Zeichentafel Das Patent 875 313 betrifft eine Schreib- und Zeichentafel, bei welcher die aus Gelatine oder kristallisiertem Magnesiumsulfat und Farbzusätzen bestehende, auf einem geeigneten Träger angebrachte Schreibschicht außer den erwähnten Stoffen noch farblosen Nitrocelluloselack und Gips enthält. Je nachdem, ob auf der Tafel mit Griffel oder mit Blei- bzw. Farbstift gearbeitet werden soll, enthält die Schreibschicht schwarze Farbe, z. B. Rebschwarz, oder weiße Farbe, z. B. Lithoponweiß.Writing and drawing board The patent 875 313 relates to a writing and drawing board in which those made of gelatin or crystallized magnesium sulfate and color additives, applied to a suitable support and provided with a writing layer In addition to the substances mentioned, it also contains colorless nitrocellulose varnish and plaster of paris. Depending on whether you worked on the board with a stylus or with a pencil or colored pencil is to be, the writing layer contains black color, e.g. B. Black vine, or white Color, e.g. B. Lithopon white.
Es hat sich gezeigt, daß die Schreibschicht auch in anderen Farben wie Weiß oder Schwarz, z. B. Rot, Blau, Grün, Gelb, gehalten werden kann durch Beigabe entsprechender Farbzusätze in pulveriger Form. Auch hierbei ergibt sich eine stabile, haltbare, elastische und wischbare Oberfläche in Mattglanzfarbe.It has been shown that the writing layer is also available in other colors like white or black, e.g. B. red, blue, green, yellow, can be kept by adding corresponding color additives in powder form. This also results in a stable, durable, elastic and wipeable surface in matt gloss color.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK6840D DE884761C (en) | 1945-02-04 | 1945-02-04 | Writing and drawing board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK6840D DE884761C (en) | 1945-02-04 | 1945-02-04 | Writing and drawing board |
Publications (1)
Publication Number | Publication Date |
---|---|
DE884761C true DE884761C (en) | 1953-07-30 |
Family
ID=7211422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEK6840D Expired DE884761C (en) | 1945-02-04 | 1945-02-04 | Writing and drawing board |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE884761C (en) |
-
1945
- 1945-02-04 DE DEK6840D patent/DE884761C/en not_active Expired
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