DE568182C - Process for the production of paper color grids which are covered with the negative and provided with regular grid elements - Google Patents

Process for the production of paper color grids which are covered with the negative and provided with regular grid elements

Info

Publication number
DE568182C
DE568182C DEP62822D DEP0062822D DE568182C DE 568182 C DE568182 C DE 568182C DE P62822 D DEP62822 D DE P62822D DE P0062822 D DEP0062822 D DE P0062822D DE 568182 C DE568182 C DE 568182C
Authority
DE
Germany
Prior art keywords
negative
covered
production
paper color
grid elements
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
DEP62822D
Other languages
German (de)
Inventor
Dr Wolfgang Loenicker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEP62822D priority Critical patent/DE568182C/en
Application granted granted Critical
Publication of DE568182C publication Critical patent/DE568182C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/04—Additive processes using colour screens; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)

Description

Verfahren zur Herstellung von mit dem Negativ sich deckenden, mit regelmäßigen Rasterelementen versehenen Papierfarbrastern Wie bekannt, müssen die zur Herstellung von Papierfarbrastern dienenden Druckformen (z. B. Klischees) derart vergrößert, d. h. die einzelnen Linien in einem solchen Abstand voneinander angeordnet sein, daß sie sich mit denjenigen des in gleicher Weise durch die Kameraoptik vergrößerten Negativs dekken. Eine derartige Anpassung zwischen dem letzteren und dem Papierfarbraster wurde bisher auf optischem Wege vermittels des Negativs durchgeführt.Process for the production of coincident with the negative, with Regular grid elements provided paper color grids As is known, the for the production of paper color grids serving printing forms (e.g. clichés) of this type enlarged, d. H. the individual lines are arranged at such a distance from one another be that they enlarged with those of the camera optics in the same way Cover negatives. Such an adjustment between the latter and the paper color raster was previously carried out optically by means of the negative.

Die Erfindung betrifft ein Verfahren zu genanntem Zweck, bei welchem die Herstellung der Druckform ohne Zuhilfenahme des Negativs oder überhaupt irgendwelcher optischer Verfahren, also vollständig unabhängig von den in der Kamera sich abspielenden Vorgängen, erfolgt, und zwar ausschließlich auf mechanischem Wege Das neue Verfahren besteht darin, daß die Linien in die Metallunterlage des Klischees mit einer der Zentralprojektion des Kameraobjektivs übereinstimmenden Teilung gezogen werden. Die letztere kann auf Grund der gegebenen Brennweite, Plattengröße und -dicke unter Berücksichtigung der Stärke der Emulsionen und sonstiger Faktoren ohne weiteres berechnet und die zum Ziehen dienenden Werkzeuge, wie Stichel usw., vermittels einer geeigneten Teileinrichtung genau geschaltet werden. Die Schaltung der Werkzeuge ist einfach, weil die vergrößerten Abstände der Linien durchwegs gleich sind.The invention relates to a method for the purpose mentioned, in which the production of the printing form without the aid of the negative or any at all optical processes, i.e. completely independent of those taking place in the camera Processes, takes place, and exclusively by mechanical means. The new process consists in that the lines in the metal base of the cliché with one of the Central projection of the camera lens matching pitch can be drawn. The latter can be due to the given focal length, plate size and thickness Consideration of the strength of the emulsions and other factors easily calculated and the tools used for drawing, such as graver, etc., by means of a suitable partial device are switched exactly. The circuit of the tools is simple because the enlarged distances between the lines are consistently the same.

Ein mit einem solchen Klischee gedruckter Papierfarbraster stimmt mit dem unter gleichen Voraussetzungen in der Kamera entstandenen Negativ genau überein.A paper color grid printed with such a cliché is correct with the negative created in the camera under the same conditions match.

An Stelle des Klischees kann nach dem Verfahren auch ein als Schablone für ersteres dienender Raster hergestellt und von diesem das Klischee abgenommen werden.Instead of the cliché, a stencil can also be used after the process produced for the former serving grid and removed the cliché from this will.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung von mit dem Negativ sich deckenden, mit regelmäßigen Rasterelementen versehenen Papierfarbrastern vermittels eines gemäß der Kameraoptik vergrößerten Klischees, dadurch gekennzeichnet, daß die dem Aufnahmefarbraster entsprechenden Liniensätze des Klischees oder eines als Schablone für dieses dienenden Rasters mit einer der Objektivprojektion proportional vergrößerten Teilung auf mechanische Weise gezogen werden. PATENT CLAIM A method for producing paper color grids, which are covered with the negative and provided with regular grid elements, by means of a cliché enlarged according to the camera optics, characterized in that the line sets of the cliché corresponding to the recording color grid or a grid serving as a template for this grid with a division proportionally enlarged to the lens projection be pulled in a mechanical way.
DEP62822D 1931-04-14 1931-04-14 Process for the production of paper color grids which are covered with the negative and provided with regular grid elements Expired DE568182C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP62822D DE568182C (en) 1931-04-14 1931-04-14 Process for the production of paper color grids which are covered with the negative and provided with regular grid elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP62822D DE568182C (en) 1931-04-14 1931-04-14 Process for the production of paper color grids which are covered with the negative and provided with regular grid elements

Publications (1)

Publication Number Publication Date
DE568182C true DE568182C (en) 1933-01-16

Family

ID=7390036

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP62822D Expired DE568182C (en) 1931-04-14 1931-04-14 Process for the production of paper color grids which are covered with the negative and provided with regular grid elements

Country Status (1)

Country Link
DE (1) DE568182C (en)

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