Rider roll assembly in a winder
AssigneeA. Ahlstrom Osakeyhtio
InventorsKeijo Kalevi Snygg, Aarne Johannes Korkolainen
Life of this patent
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Abstract
A rider roll assembly in a winder for winding webs of paper or other webs, by means of which a load can be applied on the wound web roll during the winding operation. The rider roll arrangement comprises a movable transversal load beam and one or several load rolls. In order to prevent vibration of the load roll or rolls, the roll or rolls are connected to the load beam by vibration absorbing means.
Claims6
A rider roll assembly in a winder comprising at least one load roll mounted on a movable transversal load beam and vibration absorbing means connecting the load roll to the load beam, said vibration absorber means including means operable to dissipate energy of vibrations absorbed.
A rider roll assembly in a winder comprising at least one load roll mounted on a movable transversal load beam and vibration absorbing means connecting the load roll to the load beam, said vibration absorbing means including a cylinder having a spring loaded piston and liquid compartments on both sides of the piston which are connected to each other through a line in which there is a throttle valve.
A rider roll assembly in a winder comprising at least one load roll mounted on a movable transversal load beam and vibration absorbing means connecting the load roll to the load beam, said vibration absorbing means being connected to hydraulic adjustment means.
Dependencies are inferred from the claim text.