AT25499B - Process for decomposing halftones for photomechanical reproduction. - Google Patents

Process for decomposing halftones for photomechanical reproduction.

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Publication number
AT25499B
AT25499B AT25499DA AT25499B AT 25499 B AT25499 B AT 25499B AT 25499D A AT25499D A AT 25499DA AT 25499 B AT25499 B AT 25499B
Authority
AT
Austria
Prior art keywords
halftones
decomposing
photomechanical reproduction
photomechanical
reproduction
Prior art date
Application number
Other languages
German (de)
Inventor
Robert Sands
Original Assignee
Robert Sands
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 Robert Sands filed Critical Robert Sands
Application granted granted Critical
Publication of AT25499B publication Critical patent/AT25499B/en

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  • Printing Methods (AREA)

Description

  

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   den Überzug mit Druckfarbe herzustellen und die besagten Walzen zu botätigen, beträgt ungefähr eine Minute. Die auf solche Weise hergestellten Kopierblätter werden wie     Hichromatab7. Ugo   nach den Originalfarben-Negativen, die man genommen bat, kopiert. Die so gewonnenen Abzüge werden wieder mit der weichen Tucbwalzc mit   Druckfarbo var.   sehen, 5 bis 30 Minuten in Wasser getaucht, mit weichen Schwämmen entwickelt und zum   Trocknen aufgehängt. Nach dem Trocknen   sind sie   für den Abzug auf den Lithographic-   
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 vor dem Abziehen auf Stein oder Metall leicht angefeuchtet. 



   Das gleiche Vorfahren ist anwendbar auf farbige Arbeit, bei der zwei durch Farbenfilter genommene Negative oder nur ein durch ein Farbonfilter   genommenes   Negativ für 
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   to make the coating with printing ink and to operate the said rollers takes about one minute. The copy sheets produced in this way become like Hichromatab7. Ugo copied from the original color negatives that were asked to be taken. The prints obtained in this way are seen again with the soft Tucbwalzc with printing ink var., Dipped for 5 to 30 minutes in water, developed with soft sponges and hung up to dry. After drying, they are ready for printing on the lithographic
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 Slightly moistened before peeling on stone or metal.



   The same ancestry is applicable to colored work in which two negatives taken through color filters or only one negative taken through a color filter for
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AT25499D 1904-08-18 1904-08-18 Process for decomposing halftones for photomechanical reproduction. AT25499B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT25499T 1904-08-18

Publications (1)

Publication Number Publication Date
AT25499B true AT25499B (en) 1906-08-25

Family

ID=3536270

Family Applications (1)

Application Number Title Priority Date Filing Date
AT25499D AT25499B (en) 1904-08-18 1904-08-18 Process for decomposing halftones for photomechanical reproduction.

Country Status (1)

Country Link
AT (1) AT25499B (en)

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