Winding device, use of a roller and corresponding roller

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 18/14 (2006.01) B65H 18/26 (2006.01) B65H 27/00 (2006.01)

Patent

CA 2094815

A roller (10) used as support, backing or driven roller in winding devices, is composed of an outer cylindrical roller element (24), on which an elastic, flexible intermediate layer (26) of elastomeric material is applied. On the intermediate layer (26), an external roller mantle (33) of thin-wall spring steel is provided that can be deformed in a plane perpendicular to the axis due to the contact pressure of the roll (2) and can be pressed against the outer perimeter of the roll (2). A broad contact region is created, which leads to a lower specific nip pressure and to a smaller package hardness. Channels (27, 28) in the intermediate layer (26) serve to increase the flexibility and cooling.

Un rouleau (10) utilisé comme rouleau de support, rouleau d'appui ou rouleau entraîné dans des dispositifs d'enroulement, est composé d'un élément de rouleau externe cylindrique (24) sur lequel on applique une couche intermédiaire souple et élastique (26) d'un matériau élastomère. Sur la couche intermédiaire (26) est appliqué un revêtement de rouleau externe (33) en acier à ressorts à paroi mince, qui peut être déformé, par la pression de contact du rouleau, sur un plan perpendiculaire par rapport à l'axe, et qui peut être pressé contre le périmètre externe du rouleau (2). Une large zone de contact est ainsi créée, permettant d'obtenir une pression de serrage spécifique plus faible et une raideur d'enroulement amoindrie. Des canaux (27, 28) produits dans la couche intermédiaire (26) servent à augmenter la flexibilité et le refroidissement.

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