AT154982B - Slides for advertising purposes. - Google Patents
Slides for advertising purposes.Info
- Publication number
- AT154982B AT154982B AT154982DA AT154982B AT 154982 B AT154982 B AT 154982B AT 154982D A AT154982D A AT 154982DA AT 154982 B AT154982 B AT 154982B
- Authority
- AT
- Austria
- Prior art keywords
- slide
- liquids
- advertising purposes
- slides
- given
- Prior art date
Links
Landscapes
- Displays For Variable Information Using Movable Means (AREA)
Description
<Desc/Clms Page number 1>
EMI1.1
Es sind bereits Diapositive für Reklameprojektion bekannt, bei denen einem zwischen zwei Glasplatten eingeschlossenen Bilde durch vorüberrieselnde Glasperlen, Sand, Flüssigkeiten od. dgl. ein Bewegungseindruck verliehen wird. Bei der Verwendung von Flüssigkeiten hat es sich jedoch herausgestellt, dass bei öfteren Gebrauche die zur Verdeckung einzelner Bildteile bzw. zur Hervorrufung eines Farben-oder Bewegungseindruekes herangezogene Flüssigkeit, in Form von Tröpfchen am Diapositive haften bleibt, worunter die Projektion leidet.
Dieser Nachteil wird erfindungsgemäss dadurch behoben, dass der Flüssigkeit chemische Mittel zugesetzt werden, die die Spannung zwischen Diapositiv und Glasplatten einerseits und dem abdeckenden flüssigen Mittel anderseits herabsetzen, wodurch Insel- und Tröpfchenbildung hintangehalten wird. Ein derartiger Zusatz ist z. B. Türkischrotöl.
Da jedoch Glasperlen, Sand, Flüssigkeiten od. dgl. die Schichte des Diapositivs mehr oder weniger stark angreifen und das Bild in verhältnismässig kurzer Zeit beschädigen, wird erfindungsgemäss auf dem Diapositiv eine Schutzschicht angebracht, wozu sich besonders Nitrolacke eignen.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
EMI1.1
There are already known slides for advertising projections in which an image enclosed between two glass plates is given an impression of movement by glass beads, sand, liquids or the like trickling past. When using liquids, however, it has been found that, with frequent use, the liquid used to cover individual parts of the image or to produce an impression of color or movement remains adhered to the slide in the form of droplets, which affects the projection.
This disadvantage is eliminated according to the invention in that chemical agents are added to the liquid which reduce the tension between the slide and the glass plate on the one hand and the covering liquid agent on the other hand, thereby preventing island and droplet formation. Such an addition is e.g. B. Turkish red oil.
However, since glass beads, sand, liquids or the like attack the layer of the slide to a greater or lesser extent and damage the image in a relatively short time, a protective layer is applied to the slide according to the invention, for which nitro lacquers are particularly suitable.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT154982T | 1937-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT154982B true AT154982B (en) | 1938-11-10 |
Family
ID=3648280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT154982D AT154982B (en) | 1937-02-24 | 1937-02-24 | Slides for advertising purposes. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT154982B (en) |
-
1937
- 1937-02-24 AT AT154982D patent/AT154982B/en active
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