DE426939C - Printing form in the form of rollers or plates with a hard rubber printing surface - Google Patents
Printing form in the form of rollers or plates with a hard rubber printing surfaceInfo
- Publication number
- DE426939C DE426939C DES67869D DES0067869D DE426939C DE 426939 C DE426939 C DE 426939C DE S67869 D DES67869 D DE S67869D DE S0067869 D DES0067869 D DE S0067869D DE 426939 C DE426939 C DE 426939C
- Authority
- DE
- Germany
- Prior art keywords
- hard rubber
- printing
- rollers
- plates
- layers
- 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
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
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
Landscapes
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Printing Plates And Materials Therefor (AREA)
Description
Druckform in Form von Walzen oder Platten mit Hartgummidruckfläche. Im Patent ¢o9893 ist eine Druckwalze bzw. Druckform beansprucht, auf deren Unterlage aus Leichtmetall eine Axt Hartgummibelag aufgebracht ist, der mittels Sandstrahlgebläse bearbeitet werden kann und von dem geedruckt wird. Diese Anordnung wird gemäß der Erfindung abgeändert, daß zwischen die Unterlage und dem. Hartgummibelag eine oder mehrere Zwischenschichten aufgebracht sind, die ebenfalls zum Teil aus Hartgummi bestehen, aber durch Hinzufügung von lockeren Füllstoffen, z. B. Sägespänen, Papier-, Korkm,ehl o. dgl., weichear sind als der Hartgummibelag. Die Anordnung hat den Vorteil, daß der Hartgummibelag und die Zwischenschichten, die zur Aufnahme der Spannungen des. Hartgummibelages bei Temperaturänderungen dienen, gleichzeitig im Autoklaven vulkanisiert werden können. Ein weiterer Vorteil besteht darin, daß die mittels Sandstrahlgebläse auf dem Hartgummibelag zu erzeugenden Gravierungen. so tief ausgeführt werden können, daß die Zwischenschicht bloßgelegt wird. Die durch die Gravierungen entstandenen Vertiefungen werden dann mit fremden Druckkörpern ausgefüllt, wie sie in der Formstecherei bekannt sind. So können z. B. Messingleisten eingestochen werden oder gegossene Muster aufgenagelt werden.Printing form in the form of rollers or plates with a hard rubber printing surface. In patent [O9893] a printing roller or printing forme is claimed on its base made of light metal an ax hard rubber coating is applied, which is sandblasted by means of a sandblasting blower can be edited and printed from. This arrangement is according to the Invention modified that between the pad and the. Hard rubber one or Several intermediate layers are applied, which are also partly made of hard rubber exist, but by adding loose fillers, e.g. B. sawdust, paper, Cork, ehl or the like, are softer than the hard rubber covering. The arrangement has the advantage that the hard rubber covering and the intermediate layers, which are used for inclusion serve the stresses of the hard rubber coating when there are temperature changes, at the same time can be vulcanized in an autoclave. Another advantage is that the engravings to be produced on the hard rubber surface by means of a sandblasting blower. can be made so deep that the intermediate layer is exposed. By The indentations created by the engravings are then filled with foreign pressure bodies filled out as they are known in the form engraving. So z. B. Brass strips are pierced or cast patterns are nailed on.
In der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt.The drawing shows an exemplary embodiment of the subject matter of the invention shown.
Abb. i zeigt den Querschnitt durch eine Druckwalze, Abb. z die Abwicklung der gravierten Druckform, in deren Vertiefungen die fremden Druckkörper eingesetzt sind.Fig. I shows the cross-section through a pressure roller, Fig. Z shows the development the engraved printing form, in the depressions of which the foreign printing bodies are inserted are.
Auf dem Kern i, der z. B. ein Aluminiumrohr sein kann, ist eine Zwischenschicht z. die z. B. aus io Prozent Kautschuk, io Prozent Schwefel, 5 Prozent Faktis, 5 Prozent Leinöl im Gemisch mit leichten Füllstoffen, z. B. Sägespänen, Papiear-, Korkmeehl o. dgl., aufgebracht. Die Füllstoffe können 70 Prozent der Gesamtmasse ausmachen. Auf die Schicht ist der Hartgummibelag 3 aufgetragen, dessen Zusammensetzung der üblichen. Gummimischung entspricht, aber keine Beimischung von Sägespänen o. dgl. enthält, hingegen solche Füllstoffe, die geeignet sind, den Gummi hart zu machen, z. B. Kreide, Zinkweiß o, dgl. Zur Erzeugung des Musters dient ein Sandstrahlgebläse. Es wirkt solange auf den Hartgummibelag ein, bis die darunterliegende Zwischenschicht bloßgelegt ist. In die entstehenden Vertiefungen können fremde Druckkörper ,4, z. B. Messingleisten. oder gegossene Muster, in der in 'der Formstecherei üblichen Weise eingesetzt werden.On the core i, the z. B. may be an aluminum pipe, an intermediate layer is e.g. the z. B. from 10 percent rubber, 10 percent sulfur, 5 percent factice, 5 percent linseed oil in a mixture with light fillers, z. B. sawdust, Papiear-, cork flour o. The like., Applied. The fillers can make up 70 percent of the total mass. The hard rubber covering 3, the composition of which is the usual, is applied to the layer. Rubber mixture corresponds, but no admixture of sawdust or the like. Contains, however, fillers that are suitable for making the rubber hard, e.g. B. chalk, zinc white o, the like. A sandblasting fan is used to generate the pattern. It acts on the hard rubber covering until the intermediate layer underneath is exposed. In the resulting depressions foreign pressure bodies, 4, z. B. Brass strips. or cast patterns, used in the usual way in mold engraving.
Claims (1)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES67869D DE426939C (en) | 1924-11-29 | 1924-11-29 | Printing form in the form of rollers or plates with a hard rubber printing surface |
GB2000125A GB247841A (en) | 1924-11-29 | 1925-08-08 | Improvements in or relating to printing surfaces in the form of rollers, plates or blocks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES67869D DE426939C (en) | 1924-11-29 | 1924-11-29 | Printing form in the form of rollers or plates with a hard rubber printing surface |
Publications (1)
Publication Number | Publication Date |
---|---|
DE426939C true DE426939C (en) | 1926-03-23 |
Family
ID=7499879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES67869D Expired DE426939C (en) | 1924-11-29 | 1924-11-29 | Printing form in the form of rollers or plates with a hard rubber printing surface |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE426939C (en) |
GB (1) | GB247841A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5928479B2 (en) * | 1979-12-03 | 1984-07-13 | 大日本スクリ−ン製造株式会社 | intaglio printing plate |
US4566384A (en) * | 1983-01-18 | 1986-01-28 | Dainippon Screen Mfg. Co., Ltd. | Intaglio printing plate and printing method |
GB2198085B (en) * | 1986-11-29 | 1991-02-13 | Stc Plc | Printing apparatus and process |
EP3290387A1 (en) | 2016-08-31 | 2018-03-07 | Ingenieursbureau Wuylens BVBA | A load protector |
-
1924
- 1924-11-29 DE DES67869D patent/DE426939C/en not_active Expired
-
1925
- 1925-08-08 GB GB2000125A patent/GB247841A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB247841A (en) | 1926-02-25 |
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