AT248376B - Idler belt, especially for film printing machines - Google Patents

Idler belt, especially for film printing machines

Info

Publication number
AT248376B
AT248376B AT192761A AT192761A AT248376B AT 248376 B AT248376 B AT 248376B AT 192761 A AT192761 A AT 192761A AT 192761 A AT192761 A AT 192761A AT 248376 B AT248376 B AT 248376B
Authority
AT
Austria
Prior art keywords
printing machines
film printing
idler belt
belt
support layer
Prior art date
Application number
AT192761A
Other languages
German (de)
Original Assignee
Artos Meier Windhorst Kg
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 Artos Meier Windhorst Kg filed Critical Artos Meier Windhorst Kg
Application granted granted Critical
Publication of AT248376B publication Critical patent/AT248376B/en

Links

Landscapes

  • Printing Plates And Materials Therefor (AREA)

Description

  

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  Mitläuferband, insbesondere für Filmdruckmaschinen 
 EMI1.1 
 

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 le Biegelinie infolge der grossen Unterschiede der Elastizitätsmodule der Tragschicht 11 und des Stützbandes 10 in der dünnen Tragschicht 11, also ganz dicht an der Warenbahn 12 ; die Dehnungen und Stauchungen der Warenbahn beim Laufen des Mitläuferbandes um eine Umlenkrolle bleiben also gering und können durch die Eigenelastizität der Warenbahn aufgenommen werden, so dass kein Loslösen und keine Faltenbildung erfolgt. 
 EMI2.1 
 Wärmeausdehnungskoeffizient, der für den vorgesehenen Verwendungszweck geeigneten Kunststoffolie nur etwa ein Drittel desjenigen von Stahl beträgt, was auch wieder zu einer Verbesserung der Druckqualität beiträgt. 



   Die Tragschicht kann auch aus einem andern geeigneten Material etwa aus   relativhartemPolyvinyl-   chlorid oder auch aus einem vorgereckten Gewebe bestehen ; ist mit dem Stützband durch Aufvulkanisieren oder durch Kleben bzw. in sonst wie geeigneter Weise verbunden.



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  Idler belt, especially for film printing machines
 EMI1.1
 

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 le bending line as a result of the large differences in the modulus of elasticity of the support layer 11 and the support band 10 in the thin support layer 11, so very close to the web 12; the expansions and compressions of the material web when the idler belt runs around a deflection roller therefore remain small and can be absorbed by the inherent elasticity of the material web, so that no loosening and no wrinkling occurs.
 EMI2.1
 The coefficient of thermal expansion of the plastic film suitable for the intended use is only about a third of that of steel, which again contributes to an improvement in print quality.



   The base layer can also consist of another suitable material, for example relatively hard polyvinyl chloride or a pre-stretched fabric; is connected to the support band by vulcanization or by gluing or in any other suitable manner.

Claims (1)

PATENTANSPRUCH : Endloses Mitläuferband,-insbesondere fürFilmdruckmaschinen, mit einemStützband sowie einer auf diesem befestigten nichtmetallischen Tragschicht für die Warenbahn, wobei die Stärke der Tragschicht für die Warenbahn, wobei die Stärke der Tragschicht nur einen Bruchteil derjenigen des Stützbandes beträgt, dadurch gekennzeichnet, dass der Elastizitätsmodul der dünnen, nichtmetallischen Tragschicht (11) um ein Vielfaches grösser ist als derjenige des Stützbandes (10). PATENT CLAIM: Endless idler belt, in particular for film printing machines, with a support belt and a non-metallic support layer for the web of material attached to it, the thickness of the support layer for the material web, the thickness of the support layer being only a fraction of that of the support belt, characterized in that the modulus of elasticity of the thin , non-metallic support layer (11) is many times larger than that of the support band (10).
AT192761A 1960-03-09 1961-03-08 Idler belt, especially for film printing machines AT248376B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT248376D 1960-03-09

Publications (1)

Publication Number Publication Date
AT248376B true AT248376B (en) 1966-07-25

Family

ID=3670128

Family Applications (1)

Application Number Title Priority Date Filing Date
AT192761A AT248376B (en) 1960-03-09 1961-03-08 Idler belt, especially for film printing machines

Country Status (1)

Country Link
AT (1) AT248376B (en)

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