DE314492C - - Google Patents
Info
- Publication number
- DE314492C DE314492C DENDAT314492D DE314492DA DE314492C DE 314492 C DE314492 C DE 314492C DE NDAT314492 D DENDAT314492 D DE NDAT314492D DE 314492D A DE314492D A DE 314492DA DE 314492 C DE314492 C DE 314492C
- Authority
- DE
- Germany
- Prior art keywords
- film
- pressure roller
- celluloid
- rollers
- roller
- 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.)
- Active
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
- B41N1/16—Curved printing plates, especially cylinders
- B41N1/22—Curved printing plates, especially cylinders made of other substances
Description
Das Verfahren dient dazu, bei Druckformen, die auf Folien hergestellt sind,' z. B. auf Zelluloid, Zellon o. dgl, die Enden der Folie nahtlos aneinander zu bringen, wie das bei einer Tiefdruckform erforderlich ist,· und ein •Wandern der Folie auf der Druckwake zu verhindern. Der Vorgang ist auf der Zeichnung dargestellt. Die Druckwalze α hat eine Nut.δ, die mit Zelluloid oder einem anderen, derThe method is used for printing forms that are made on foils, 'z. B. on celluloid, cellulose or the like, to bring the ends of the film seamlessly together, as is necessary with a gravure form, · and • to prevent the film from migrating on the print wake. The process is shown in the drawing. The pressure roller α has a Nut.δ, which is covered with celluloid or another that
ίο Druckfolie entsprechenden Stoffe ausgefüllt ist. Auf diese Nut wird zuerst das eine Ende c der Druckfolie c, c.1 aufgeklebt. Danach wird die Folie mittels Gegendruckwalze d aufgewalzt, indem man mit der Folie zwischen den Walzen α und d eine Platte e durchlaufen läßt. Das,Ende f dieser Platte ist so geformt, daß 'die Biegungen g und g1 genau der ,Krümmung der Druckwalze und Gegendruckwalze entsprechen.ίο the corresponding substances are filled in with the printing film. On this groove is first one end c of the printing film c, c. 1 glued on. The film is then rolled on by means of a counter-pressure roller d by letting the film pass through a plate e between the rollers α and d. The 'end f of this plate is shaped so that' the bends g and g 1 correspond exactly to the 'curvature of the pressure roller and counter pressure roller.
Hat die Druckwalze annähernd eine Umdrehung gemacht, so drückt die Biegung g das Folienende c1 fest auf die Füllung der Nut b. Die Biegung g1 bildet einen Gegendruck, weil sie sich an die Gegendruckwalze d anlegt. Wurde das Ende der Folie c1 während des Aufziehens, wenn die Folie z. B. aus Zelluloid· besteht, mit Azeton erweicht, so preßt sich das Ende dermaßen an das Zelluloid . in Nut b, und an das bereits vorher aufgeklebte Ende der Folie, daß eine nahtlose Endung entsteht und ein Wandern' oder Verschieben der Folie beim Drucken ausgeschlossen ist! >When the pressure roller has made approximately one revolution, the bend g presses the end of the film c 1 firmly onto the filling of the groove b. The bend g 1 forms a counterpressure because it rests against the counterpressure roller d . Was the end of the film c 1 during pulling when the film z. B. made of celluloid · is softened with acetone, so the end is pressed against the celluloid. in groove b, and to the end of the film that has already been glued on before, so that a seamless ending is created and the film cannot move or move when printing! >
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE314492T |
Publications (1)
Publication Number | Publication Date |
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DE314492C true DE314492C (en) |
Family
ID=6146210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT314492D Active DE314492C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE314492C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2707554A1 (en) * | 1993-07-15 | 1995-01-20 | Roland Man Druckmasch | Offset printing block and process for its manufacture. |
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0
- DE DENDAT314492D patent/DE314492C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2707554A1 (en) * | 1993-07-15 | 1995-01-20 | Roland Man Druckmasch | Offset printing block and process for its manufacture. |
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