DE884761C - Writing and drawing board - Google Patents

Writing and drawing board

Info

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
Application number
DEK6840D
Other languages
German (de)
Inventor
August Kellerer
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.)
Hans Steffan & Co K G
Original Assignee
Hans Steffan & Co K G
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 Hans Steffan & Co K G filed Critical Hans Steffan & Co K G
Priority to DEK6840D priority Critical patent/DE884761C/en
Application granted granted Critical
Publication of DE884761C publication Critical patent/DE884761C/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
    • 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)

PATENTANSPRUCH.-Schreib- und Zeichentafel mit einem Träger z. B. aus Pappe, Papier, Sperrholz, Blech od. dgl. und einem die Schreibfläche bildenden Überzug aus einem Gemisch von Gelatine oder kristallisiertem Magnesium, farblosem Celluloselack, Gips und Farbzusatz nach Patent 875 313, dadurch gekennzeichnet, daß die Schreibschicht durch Beigabe von Trockenpulverfarben in anderer Färbung als weiß oder schwarz gehalten ist.PATENT CLAIMS writing and drawing board with a carrier z. B. off Cardboard, paper, plywood, sheet metal or the like and a coating that forms the writing surface from a mixture of gelatine or crystallized magnesium, colorless cellulose varnish, Plaster of paris and color additive according to patent 875 313, characterized in that the writing layer by adding dry powder paints in a color other than white or black is.
DEK6840D 1945-02-04 1945-02-04 Writing and drawing board Expired DE884761C (en)

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)

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