DE494114C - Device for drying the printed paper web in printing machines, in particular rotogravure printing machines - Google Patents
Device for drying the printed paper web in printing machines, in particular rotogravure printing machinesInfo
- Publication number
- DE494114C DE494114C DEB134301D DEB0134301D DE494114C DE 494114 C DE494114 C DE 494114C DE B134301 D DEB134301 D DE B134301D DE B0134301 D DEB0134301 D DE B0134301D DE 494114 C DE494114 C DE 494114C
- Authority
- DE
- Germany
- Prior art keywords
- printing machines
- paper web
- drying
- flaps
- printed paper
- 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
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0423—Drying webs by convection
- B41F23/0426—Drying webs by convection using heated air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
Vorrichtung zum Trocknen der bedruckten Papierbahn bei Druckmaschinen, insbesondere Rotationstiefdruckmaschinen Zusatz zum Patent -q.94113 Zur Ausführung des Verfahrens zum Trocknen der bedruckten Papierbahn bei Druckmaschinen nach Patent 494 113 wird eine Vorrichtung benutzt, bei der .die die Trocknung ermöglichende Einkapselung der Papierbahn durch zwei: von der Papierbahn ungefähr in gleichem Abstand gegenüberstehende Wände erfolgt, die Leitwalzen zum Geradeführen und Abstandhalten der Papierbahn innerhalb der Einkapselung tragen.Device for drying the printed paper web in printing machines, in particular rotogravure printing machines Addendum to the patent -q.94113 To carry out the method for drying the printed paper web in printing machines according to patent 494 1 13 , a device is used in which the encapsulation of the paper web enables the drying two: from the paper web about the same distance opposite walls are made, which carry guide rollers for straightening and keeping the paper web spaced within the encapsulation.
Die vorliegende Erfindung betrifft eine besondere Ausführungsform einer derartigen Vorrichtung und besteht darin, da.B die innere Seite der Einkapselung, :innerhalb, deren die Papierbahn geführt wird, mit verstellbaren, stufenförmig angeordneten Luftfiih.rungsklappen versehen ist, durch :die der zwangsläufig geführte Luftstrom gebrochen und dadurch die Trockenwirkung gesteigert und die Trockenzeit gekürzt wird.The present invention relates to a particular embodiment such a device and consists in that: B the inner side of the encapsulation, : inside, which the paper web is guided, with adjustable, stepped Luftfiih.rungsklappen is provided, through: which the forced air flow broken and thereby the drying effect increased and the drying time shortened will.
Eine besonders zweckmäßige Ausführung der Erfindung ist auf der Zeichnung schematisch in einem Längsschnitt veranschaulicht.A particularly useful embodiment of the invention is shown in the drawing illustrated schematically in a longitudinal section.
Die durch die Wände a gebildete Einkapselung der über die Leitwalzenb geführten Papierbahn c hat am unteren Ende den einstellbaren Luftzutritt, am oberen. Ende unter Zwischenschaltung eines Behiälters d den Luftaustritt e.The encapsulation formed by the walls a of the guide rollers b guided paper web c has adjustable air access at the lower end and at the upper end. End with the interposition of a container d the air outlet e.
Gemäß der Erfindung sind nun an der Innenseite der Wände, in bestimmten Abständen Blechklappen/ angelenkt, die gleichzeitig durch Führungsstangen g in ihrer Richtung verstellt werden können.According to the invention are now on the inside of the walls, in certain Distances sheet metal flaps / hinged, which at the same time by guide rods g in their Direction can be adjusted.
Die an .ihrem untern Ende mit Gewinde versehenen Führungsstangen g sind in Muttern 1z geführt, die an den Wänden oder an sonst geeigneten. Stellen. befestigt sind. Die freien Enden der Führungsstangen! sind seit Handrädern! versehen, auf denen zweckmäßig eine Skala angebracht ist. Die Länge der Klappen f nimmt von der Lufteintrittsseite nach der Luftaustrittsseitee zu, wodurch ein mit fortschreitendem Luftstrom immer gründlicheres, Auftreffen der Luft auf die Papierbahn e erzielt wird.The guide rods threaded at their lower end g are guided in nuts 1z, which are on the walls or on other suitable. Place. are attached. The free ends of the guide rods! have been handwheels! Mistake, on which a scale is expediently attached. The length of the flaps f increases from the air inlet side to the air outlet side, whereby a with advancing Air flow more and more thorough, impact of the air on the paper web e achieved will.
Durch Drehen der Handräder! ist man nun in der Lage, die Richtung der Klappen/ auf das Genaueste einzustellen, d. h. sie der Papierbahn mehr oder weniger zu nähern. Man kann dadurch bei fettem. Druck die Luft stärker auf das Papier zwecks Trocknung der Farbe ,einwirken lassen, andererseits bei dünnem Farbdruck die Luftdruckstärke verringern.By turning the handwheels! one is now able to determine the direction the flaps / to be adjusted as precisely as possible, d. H. they the paper web more or less to approach. You can use it with fat. Press the air harder on the paper to dry the color, let it take effect, on the other hand with thin color printing decrease the air pressure.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB134301D DE494114C (en) | Device for drying the printed paper web in printing machines, in particular rotogravure printing machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB134301D DE494114C (en) | Device for drying the printed paper web in printing machines, in particular rotogravure printing machines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE494114C true DE494114C (en) | 1930-03-19 |
Family
ID=6998497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB134301D Expired DE494114C (en) | Device for drying the printed paper web in printing machines, in particular rotogravure printing machines |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE494114C (en) |
-
0
- DE DEB134301D patent/DE494114C/en not_active Expired
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