DE488968C - Process for producing three-color images on paper or the like. - Google Patents

Process for producing three-color images on paper or the like.

Info

Publication number
DE488968C
DE488968C DEW76146D DEW0076146D DE488968C DE 488968 C DE488968 C DE 488968C DE W76146 D DEW76146 D DE W76146D DE W0076146 D DEW0076146 D DE W0076146D DE 488968 C DE488968 C DE 488968C
Authority
DE
Germany
Prior art keywords
paper
blue
partial image
color images
producing
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
DEW76146D
Other languages
German (de)
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.)
Wulff & Co M B H
Original Assignee
Wulff & Co M B H
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 Wulff & Co M B H filed Critical Wulff & Co M B H
Priority to DEW76146D priority Critical patent/DE488968C/en
Application granted granted Critical
Publication of DE488968C publication Critical patent/DE488968C/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
    • G03C7/46—Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials

Landscapes

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

Description

Verfahren zur Herstellung von Dreifarbenbildern auf Papier o. dgl. Das maschinelle Aufeinanderdrucken der drei Teilbilder mittels Olumdrucks, Bromölumdrucks, Lichtdrucks oder ähnlichen Verfahren, ist bekannt.Process for the production of three-color images on paper or the like. The machine printing of the three partial images by means of oil transfer, bromine transfer printing, Collotype or similar processes are known.

Die vorliegende Erfindung bezieht sich auf die Herstellung von Dreifarbenbildern auf Papier o. dgl. im nichtmaschinellen Verfahren. Unter maschinellem Verfahren versteht der Erfinder das Benutzen jeglicher mechanisch laufender Werkzeuge, z. B. Lichtdruckpressen, unter nichtmaschinellem Verfahren alle bei der Photographie übliche Tätigkeit mit der Hand. Das Verfahren besteht darin, daß das blaue Teilbild im Auskopierverfahren und das rote und gelbe Teilbild im Umdruckverfahren hergestellt wird. Man verfährt dabei so, daß zunächst das blaue Teilbild durch direktes Kopieren auf Eisenblaupapier hergestellt wird, worauf das rote und sodann das gelbe Teilbild im Umdruckverfahren auf das Blaubild (Eisenblaupapier) übertragen wird. Das blaue Teilbild wird deshalb im Eisenblaudruck hergestellt, weil es als Grundlage des fertigen Bildes eine ganz bestimmte Tiefe in der Farbe haben muß. Deshalb muß es auf rein photographischem Wege im Kopierprozeß hergestellt werden, da man den Verlauf desselben bezüglich der erforderlichen Farbe, die der Druck nach dem Wasserbade haben soll, genau kontrollieren kann. Zudem ist auf diese Weise ein ganz besonderes Blau zu erreichen, nach welchem die beiden im Umdruck darauf gebrachten Teil-Bilder in Rot und Gelb bzw. die dazu benutzten Farben abgestimmt sind, d. h. es würde sich als Grundton des blauen Teilbildes nicht jedes beliebige Blau verwenden lassen.The present invention relates to the production of three color images on paper or the like in a non-machine process. Using a machine process the inventor understands the use of any mechanically operating tools, e.g. Non-machine processes, all in photography usual hand activity. The procedure is that the blue sub-image produced in the copying process and the red and yellow partial image produced in the transfer printing process will. One proceeds in such a way that first the blue partial image by direct copying is made on iron blue paper, whereupon the red and then the yellow partial image is transferred to the blue picture (iron blue paper) in the transfer printing process. The blue Partial image is therefore produced in iron blue print because it is the basis of the finished Image must have a very specific depth in color. That's why it has to go in photographic way in the copying process, since you can see the course of the same regarding the required color that the print should have after the water bath, can precisely control. In addition, a very special blue is in this way after which the two partial images that were transferred to it in red and yellow or the colors used for this are matched, d. H. it would turn out to be Do not let the basic tone of the blue sub-picture use any blue.

Das Umdrucken geschieht vorteilhaft mittels eines mit Kalium-Bichromatlösung präparierten Lichtdruck-Positivfilms, der ein sehr feinkörniges Relief ergibt und die Feinheiten (Halbtöne) des Negativs mit größter Schärfe wiedergibt.The transfer printing is advantageously done by means of a potassium bichromate solution prepared collotype positive film, which results in a very fine-grained relief and reproduces the subtleties (semitones) of the negative with the greatest sharpness.

Claims (1)

PATENTANSPRÜCHE: i. Verfahren zur Herstellung von Dreifarbenbildern auf Papier o. dgl., dadurch gekennzeichnet, daß das blaue Teilbild im Auskopierverfahren und das rote und gelbe Teilbild im Umdruckverfahren hergestellt wird. a. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß nach dem Herstellen des blauen Teilbildes zunächst das Umdrucken des roten und sodann des gelben Teilbildes auf den Blaudruck (Eisenblaupapier) erfolgt. 3. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß das Umdrucken mittels eines mit Kalium-Bichromatlösung präparierten Lichtdruck-Positivfilms geschieht.PATENT CLAIMS: i. Process for producing three-color images On paper or the like, characterized in that the blue partial image is copied out and the red and yellow partial image is produced in the transfer printing process. a. procedure according to claim i, characterized in that after the production of the blue partial image first the transfer of the red and then the yellow partial image onto the blueprint (Iron blue paper) takes place. 3. The method according to claim i, characterized in that that the transfer printing by means of a light print positive film prepared with potassium bichromate solution happens.
DEW76146D 1927-05-31 1927-05-31 Process for producing three-color images on paper or the like. Expired DE488968C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW76146D DE488968C (en) 1927-05-31 1927-05-31 Process for producing three-color images on paper or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW76146D DE488968C (en) 1927-05-31 1927-05-31 Process for producing three-color images on paper or the like.

Publications (1)

Publication Number Publication Date
DE488968C true DE488968C (en) 1930-01-10

Family

ID=7610074

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW76146D Expired DE488968C (en) 1927-05-31 1927-05-31 Process for producing three-color images on paper or the like.

Country Status (1)

Country Link
DE (1) DE488968C (en)

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