Guiding roller for web material

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 27/00 (2006.01) D21F 1/40 (2006.01)

Patent

CA 2285321

The present invention relates to a guiding roller for web material which is mainly intended for paper machines. This guiding roller comprises two outer tubular sections (2; 2') as well as an optional tubular section (1) mounted in between, wherein said tubular sections (1, 2; 2') are supported on a central axis (3) by ball bearings (5; 6, 7). The tubular sections (2; 2') are further capable of radial displacement relative to said axis (3). The adjacent ends (1a; 2a) of adjacent tubular sections (1; 2) are mutually tightened and directly connected together to avoid any rotation. The ball bearings (5) are located below the tightening area (1a; 2a), while the outer tubular sections (2; 2') are formed so as to be longitudinally resilient.

L'invention concerne un rouleau-guide pour matériau sous forme de bande, notamment pour machines à papier. Ce rouleau-guide comprend deux sections tubulaires (2; 2') extérieures et éventuellement au moins une section tubulaire (1) montée entre. Les sections tubulaires (1, 2; 2') sont soutenues sur un axe central (3) par l'intermédiaire de paliers à roulement (5; 6, 7) et les sections tubulaires (2; 2') sont déplaçables dans le sens radial par rapport audit axe (3). Les extrémités (1a; 2a) adjacentes les unes aux autres de sections tubulaires (1; 2) adjacentes s'enserrent mutuellement et sont interconnectées directement de manière à ne pas tourner. Les paliers à roulement (5) sont placés en dessous de la zone où lesdites sections s'enserrent (1a; 2a) et les sections tubulaires (2; 2') extérieures sont formées élastiques dans le sens longitudinal.

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