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DE564593C - Process for refreshing the amalgam areas of printing forms using mercury salt solutions - Google Patents

Process for refreshing the amalgam areas of printing forms using mercury salt solutions

Info

Publication number
DE564593C
DE564593C DE1930564593D DE564593DD DE564593C DE 564593 C DE564593 C DE 564593C DE 1930564593 D DE1930564593 D DE 1930564593D DE 564593D D DE564593D D DE 564593DD DE 564593 C DE564593 C DE 564593C
Authority
DE
Germany
Prior art keywords
amalgam
areas
refreshing
salt solutions
printing forms
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
DE1930564593D
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.)
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
Application granted granted Critical
Publication of DE564593C publication Critical patent/DE564593C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/16Formes with areas rendered ink-resistant by covering with an amalgam; Printing plates for amalgam printing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)

Description

Verfahren zum Auffrischen der Amalgamstellen von Druckformen mittels Quecksilbersalzlösungen Um während des Druckprozesses mit chemischen Druckformen die farbabstoßenden Amalgamstellen aufzufrischen, hat man bereits vorgeschlagen, der Farbe bzw. dem Amalgam der farbabstoßenden Stellen der Druckplatte Quecksilber in metallischer Form zuzuleiten. Um ein einwandfreies Mitteilen des Quecksilbers an den Amalgamstellen der Platte zu erzielen und weiterhin ein überschüssiges Auftragen von Quecksilber mit Rücksicht auf Gesundheitsschäden zu vermeiden, muß das Quecksilber in sehr fein verteilter Form und sehr geringen Mengen der Farbe bzw. der Platte zugeführt werden.Process for refreshing the amalgam areas of printing forms by means of Mercury salt solutions To be used during the printing process with chemical printing forms It has already been suggested to freshen up the color-repellent amalgam areas, the color or the amalgam of the ink-repellent areas of the printing plate mercury in metallic form. A correct communication of the mercury to achieve at the amalgam sites of the plate and continue to apply excess of mercury with consideration for health hazards, the mercury must be avoided in very finely divided form and very small amounts of the paint or the plate are fed.

Die Erfindung schlägt in dieser Hinsicht ein neues Verfahren vor, welches eine sehr fein verteilte Zuführung, und zwar gerade an den Amalgamstellen, gewährleistet. Es soll das Quecksilber nicht mehr in metallischer Form den Stellen zugeführt werden, sondern vielmehr in Salzform, welches in Wasser gelöst ist. Dieses mit OOuecksilbersalzen leicht angereicherte Wasser wird vermittels eines Feuchtwerks in dünnem Hauch auf die Platten übertragen und das Wasser sofort, nachdem sich die in ihm befindlichen Salze an den Amalgamstellen niedergeschlagen haben, vermittels einer zwischen Feucht- und Farbwerk angeordneten Wisch- oder Heizvorrichtung entfernt. Auf der Zeichnung ist eine schematische Darstellung des Verfahrens veranschaulicht.In this regard, the invention proposes a new method, which is a very finely distributed feed, specifically at the amalgam sites, guaranteed. The mercury should no longer be in metallic form in the bodies are supplied, but rather in salt form, which is dissolved in water. This Water slightly enriched with mercury salts is made using a dampening system Transferred in a thin whiff to the plates and the water immediately after the have deposited salts in it at the amalgam sites, mediating a wiping or heating device arranged between the dampening and inking units. A schematic representation of the method is illustrated in the drawing.

Der Druckzylinder d, auf den die chemischen Druckplatten a1 aufgespannt sind, möge sich im Uhrzeigersinn drehen: b ist die zwischen dem Formzylinder a und dem Gegendruckzylinder c laufende Papierbahn. d stellt das bekannte Farbwerk dar, während e das Feuchtwerk zeigt, vermittels dessen in Wasser gelöste Ouecksilbersalze auf die an ihm vorbeilaufenden Platten a, aufgetragen werden. Zwischen diesem Feuchtwerke und dem Farbwerk d ist nun eine Wischvorrichtung oder, wie auf der Zeichnung veranschaulicht, eine Heiztrommel f vorgesehen, welche das überschüssige Wasser sofort von den Platten wieder abnimmt, so daß die an ihren amalgamierten Stellen ständig aufgefrischten Platten a, trocken ihre Farbe vom Farbwerk wieder annehmen.The printing cylinder d on which the chemical printing plates a1 are clamped rotate clockwise: b is the one between the forme cylinder a and the impression cylinder c running paper web. d represents the well-known inking system, while e shows the dampening system, by means of its mercury salts dissolved in water be applied to the plates a passing by. Between this dampening system and the inking unit d is now a wiping device or, as illustrated in the drawing, a heating drum f is provided which removes the excess water immediately from the plates decreases again, so that the amalgamated places constantly refreshed Plates a, dry take on their color again from the inking unit.

Claims (1)

PATRNTANSPRUCH: Verfahren zum Auffrischen der Amalgamstellen von Druckformen mittels Quecksilbersalzlösungen, dadurch gekennzeichnet, daß zwischen Feucht- und Farbwerk das überschüssige Wasser z. B. durch Wisch- oder Heizvorrichtungen entfernt wird.PATENT CLAIM: Process for refreshing the amalgam areas of printing forms by means of mercury salt solutions, characterized in that between moist and Inking the excess water z. B. removed by wiping or heating devices will.
DE1930564593D 1930-07-23 1930-07-23 Process for refreshing the amalgam areas of printing forms using mercury salt solutions Expired DE564593C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE564593T 1930-07-23

Publications (1)

Publication Number Publication Date
DE564593C true DE564593C (en) 1932-11-21

Family

ID=34559090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1930564593D Expired DE564593C (en) 1930-07-23 1930-07-23 Process for refreshing the amalgam areas of printing forms using mercury salt solutions

Country Status (1)

Country Link
DE (1) DE564593C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407196A (en) * 1980-02-29 1983-10-04 American Newspaper Publishers Association Method of enhancing inking in offset presses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407196A (en) * 1980-02-29 1983-10-04 American Newspaper Publishers Association Method of enhancing inking in offset presses

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