DE599435C - Dry planographic printing process - Google Patents

Dry planographic printing process

Info

Publication number
DE599435C
DE599435C DEA60160D DEA0060160D DE599435C DE 599435 C DE599435 C DE 599435C DE A60160 D DEA60160 D DE A60160D DE A0060160 D DEA0060160 D DE A0060160D DE 599435 C DE599435 C DE 599435C
Authority
DE
Germany
Prior art keywords
plate
printing
planographic printing
printing process
dry planographic
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
DEA60160D
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.)
INTERNAT MULTIGRAPH Co
Original Assignee
INTERNAT MULTIGRAPH Co
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 INTERNAT MULTIGRAPH Co filed Critical INTERNAT MULTIGRAPH Co
Application granted granted Critical
Publication of DE599435C publication Critical patent/DE599435C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development

Landscapes

  • Printing Plates And Materials Therefor (AREA)

Description

Das Patent 585398 betrifft ein Trockenflachdruckverfahren, bei dem eine Druckplatte direkt beschrieben oder durch Übertragung mit einem in Umdruckfarbe hergestellten Druckbild versehen wird und das dadurch gekennzeichnet ist, daß man eine Aluminiumplatte mit einer aus Nitraten oder Sulfaten bestehenden Metallsalzlösung· behandelt und auch die Druckfarbe mit dem gleichen Metallsalz versetzt.The patent 585398 relates to a dry planographic printing process, in which a printing plate is written on directly or by transfer using a printing plate produced in transfer printing ink Print image is provided and which is characterized in that an aluminum plate treated with a metal salt solution consisting of nitrates or sulfates and the same metal salt was added to the printing ink.

Dieses Verfahren war auf die Verwendung von Aluminiumplatten beschränkt worden, da es in Anwendung bei aus anderen Metallen bestehenden Druckplatten keine zufriedenstellenden Ergebnisse lieferte.This method had since been limited to the use of aluminum plates it is not satisfactory when applied to printing plates made of other metals Delivered results.

Der Zweck der Erfindung ist, das Trockenflachdruck verfahr en der obengenannten Art für Druckplatten aus einem anderen leicht oxydierbaren Metall, z. B. Zink, verwendbar zu machen.The purpose of the invention is to process the dry planographic printing of the type mentioned above for printing plates made of another easily oxidizable metal, e.g. B. zinc, can be used close.

Gemäß der Erfindung· wird dies dadurch erreicht, daß gleichzeitig der aus Nitraten oder Sulfaten bestehenden Metallsalzlösung· für die Behandlung der Platte und der Druckfarbe ein die Oxydation und Korrosion der Druckplatte verhinderndes Mittel, z. B. Diammoniumphosphat, zugesetzt wird. Für die Metallsalzlösung· wird dabei Wasser mit ungefähr 2V2 °/o Ammoniumnitrat und ungefähr 2Vi °/° Diammoniumphosphat und in der Farbe ein Zusatz von 1V2 °/o bis 4 0/0 Ammoniumnitrat (abhängig von der Zusammensetzung der Farbe) und, ungefähr 1V2 bis 4 0/0 Diammoniumphosphat verwendet. Mit derartigen Stoffen konnte eine unbegrenzte Anzahl brauchbarer Kopien von einer in geeignetem Maße körnigen Zinkplatte ohne Feuchtung hergestellt werden.According to the invention this is achieved in that at the same time the metal salt solution consisting of nitrates or sulfates is used for the treatment of the plate and the printing ink, an agent preventing oxidation and corrosion of the printing plate, e.g. B. diammonium phosphate is added. This water is used for the metal salt solution · with about 2V2 ° / o of ammonium nitrate and about 2 Vi ° / ° diammonium phosphate and color, an addition of 1V2 ° / o to 4 0/0 ammonium nitrate (depending on the composition of the color), and about 1V2 to 4 0/0 diammonium phosphate used. With such materials an unlimited number of usable copies of a suitably granular zinc plate could be made without wetting.

Die Zusetzung dieses Phosphates stört die Ausführung des Verfahrens bei Anwendung einer Aluminiumplatte nicht. Wenn daher die Druckfarbe mit einem Phosphat als Zusatz zu den gemäß dem Hauptpatent verwendeten Stoffen behandelt wird, wird das Verfahren sofort für die Herstellung· einer unbegrenzten Anzahl Kopien mit entweder einer Aluminiumplatte oder mit einer Zinkplatte anwendbar.The addition of this phosphate interferes with the execution of the process when used an aluminum plate does not. Therefore, if the printing ink with a phosphate as an additive to the substances used according to the main patent is dealt with, the procedure instantly for making an unlimited number of copies with either one Aluminum plate or applicable with a zinc plate.

Dem Einfluß des Phosphates ist augenscheinlich die Bildung einer SchutzschichtThe effect of the phosphate is evidently the formation of a protective layer

auf der Platte zu verdanken, die im Falle einer Zinkplatte das allmähliche Oxydieren derselben verhindert und daher das Verfahren ständig weiter fortzuführen gestattet.on the plate that, in the case of a zinc plate, gradually oxidizes the same prevented and therefore allowed the process to continue continuously.

An Stelle einer Zinkplatte kann eine Kupfer-, Messing-, Zinn-, Eisenplatte oder eine aus einer Legierung dieser Metalle bestehende Druckplatte benutzt werden.Instead of a zinc plate, a copper, brass, tin, iron plate or a A pressure plate made of an alloy of these metals can be used.

Als Mittel zur Verhinderung- der Oxydation und Korrosion der Druckplatte können an Stelle des genannten Diammoniumphosphates die Fluoride benutzt werden.As a means of preventing oxidation and corrosion of the printing plate, you can use Instead of the diammonium phosphate mentioned, the fluorides are used.

Claims (1)

Patentanspruch:
Trockenflachdruckverfahren gemäß. Patent 585 398, dadurch gekennzeichnet, daß an Stelle einer Aluminiumplatte eine Platte aus einem anderen leicht oxydierbaren Metall, z. B. Zink, verwendet wird und gleichzeitig der aus Nitraten oder Sulfaten bestehenden Metallsalzlösung für die Behandlung der Platte und der Druckfarbe ein die Oxydation und Korrosion der Druckplatte verhinderndes Mittel, z. B. Diammoniumphosphat, zugesetzt wird.Claim:
Dry flat printing method according to. Patent 585 398, characterized in that instead of an aluminum plate a plate made of another easily oxidizable metal, e.g. B. zinc, is used and at the same time the metal salt solution consisting of nitrates or sulfates for the treatment of the plate and the printing ink, an agent preventing oxidation and corrosion of the printing plate, e.g. B. diammonium phosphate is added.
DEA60160D 1929-12-09 1929-12-31 Dry planographic printing process Expired DE599435C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US412916A US1893163A (en) 1929-12-09 1929-12-09 Planographic printing process

Publications (1)

Publication Number Publication Date
DE599435C true DE599435C (en) 1934-07-02

Family

ID=23634993

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA60160D Expired DE599435C (en) 1929-12-09 1929-12-31 Dry planographic printing process

Country Status (5)

Country Link
US (1) US1893163A (en)
BE (1) BE366560A (en)
DE (1) DE599435C (en)
FR (1) FR710458A (en)
GB (1) GB345263A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3242104C1 (en) * 1982-11-13 1985-08-14 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Use of an additive for corrosion protection of printing cylinder surfaces

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217242A (en) * 1978-07-03 1980-08-12 Polychrome Corporation Process for preparing an improved anti-oxidant gum composition for lithographic plates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3242104C1 (en) * 1982-11-13 1985-08-14 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Use of an additive for corrosion protection of printing cylinder surfaces

Also Published As

Publication number Publication date
FR710458A (en) 1931-08-21
US1893163A (en) 1933-01-03
BE366560A (en)
GB345263A (en) 1931-03-17

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