AT35954B - Process for the production of originals for the purpose of photomechanical reproduction. - Google Patents
Process for the production of originals for the purpose of photomechanical reproduction.Info
- Publication number
- AT35954B AT35954B AT35954DA AT35954B AT 35954 B AT35954 B AT 35954B AT 35954D A AT35954D A AT 35954DA AT 35954 B AT35954 B AT 35954B
- Authority
- AT
- Austria
- Prior art keywords
- production
- originals
- photomechanical
- photomechanical reproduction
- reproduction
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 229920002160 Celluloid Polymers 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000033458 reproduction Effects 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Preparing Plates And Mask In Photomechanical Process (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur Herstellung von Originalen zum Zwecke der photomechanischen
Reproduktion.
Die Erfindung betrifft ein Verfahren zur Herstellung und Behandlung von Originalzeichnungen, zum Zwecke ihrer Vervielfältigung auf photomechanischem Wege, wobei Reproduktionen erhalten werden, die vollkommen Atzungen gleichen. Das Verfahren besteht darin, dass eine Platte aus Zelluloid, Gelatine oder dergl. in bekannter Weise rauh gemacht oder gekörnt wird, um darauf zeichnen zu können, worauf die Zeichnung aufgebracht und die Platte mit Allzol) ol oder Azeton behandelt wird, um die Zeichnung zu tixieren und die Platte wieder durchsichtig zu machen, sodass sie zur Durchführung der photomechanischen Prozesse behufs Fbertragung der Zeichnung auf Metall oder Stein geeignet ist.
Man verwendet eine polierte Zelluloidplatte, die so durchsichtig wie nur möglich ist und stellt auf ihrer glattesten Seite eine Körnung her, deren Feinheit je nach dem Charakter der aufzubringenden Zeichnung zu wahlen ist Die Herstellung der Körnung
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werden, die mit einer lichtempfindlichen Schicht bedeckt sind und von weichen nach dem At. xen und Einfärben mit fetter Farbe Abzüge genommen werden können, die dem Original genau gleichen. Das geschilderte Verfahren ist auch zur Übertragung von Zeichnungen auf das geeignet, indem man letzteres mit einer lichtempfindlichen Schicht bedeckt, unter der, mit der Zeichnung versehenen Zelluloidplatte belichtet und mit Flusssäure behandelt. Hiezu wäre zu bemerken, dass es bekannt war, dass sich gerauhte Flächen besser zum Zeichnen und Bemalen eignen.
Ebenso ist es nicht neu, bemalte, durchsichtige Blätter als Originale bei del Herstellung von Druckformen an Stelle von auf photographischem Wege hergestellten Negativen zu verwenden. Jedoch war es noch nicht bekannt, aufgerauhte, mit Zeichnungen versehene Blätter wieder zu glätten und durchsichtig zu machen.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for the production of originals for the purpose of photomechanical
Reproduction.
The invention relates to a process for the production and treatment of original drawings for the purpose of copying them by photomechanical means, reproductions being obtained which are completely like etchings. The method consists in that a plate made of celluloid, gelatin or the like is made rough or grained in a known manner in order to be able to draw on it, whereupon the drawing is applied and the plate is treated with allzol) ol or acetone in order to produce the drawing fix and make the plate transparent again so that it is suitable for carrying out the photomechanical processes for transferring the drawing onto metal or stone.
A polished celluloid plate is used, which is as transparent as possible, and a grain size is produced on its smoothest side, the fineness of which is to be selected according to the character of the drawing to be applied. The production of the grain size
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which are covered with a photosensitive layer and from soft to the At. xing and coloring with bold color, prints can be made that exactly resemble the original. The described method is also suitable for transferring drawings onto the, by covering the latter with a light-sensitive layer, exposing it under the celluloid plate provided with the drawing and treating it with hydrofluoric acid. It should be noted that it was known that roughened surfaces are better suited for drawing and painting.
Likewise, it is not new to use painted, transparent sheets as originals in the production of printing forms instead of photographic negatives. However, it was not yet known to smoothen roughened sheets with drawings and make them transparent.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT35954T | 1906-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT35954B true AT35954B (en) | 1909-01-25 |
Family
ID=3552681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT35954D AT35954B (en) | 1906-09-22 | 1906-09-22 | Process for the production of originals for the purpose of photomechanical reproduction. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT35954B (en) |
-
1906
- 1906-09-22 AT AT35954D patent/AT35954B/en active
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