Reel shaft and reel-up for reeling a paper web

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 18/02 (2006.01) B65H 18/26 (2006.01) B65H 75/10 (2006.01) B65H 75/18 (2006.01) B65H 75/28 (2006.01) D21F 3/00 (2006.01) D21F 5/00 (2006.01) D21G 9/00 (2006.01)

Patent

CA 2411835

A reel shaft (1, 9, 17, 20, 23) for reeling a paper web (40) in a reel-up, which reel-up includes at least one unit (51, 52) that is mobile in the longitudinal direction of the paper machine and supports a pair of opposite engagement members (32, 33) each of which includes an engagement part (36), which engagement parts (36) are arranged for rotatably carrying and detachably engaging the reel shaft during reeling. In accordance with the invention, the reel shaft is free of a support shaft and has a self-supporting, tubular sleeve (2), substantially consisting of fibre-reinforced plastic, which sleeve has an envelope surface (4), on which the initial wrapping of the paper web shall be performed, and also an internal surface (5), defining an axial channel (6), terminating in axial openings (7) at the ends of the reel shaft. The invention also relates to a reel-up for such reel shafts.

L'invention concerne un arbre d'enroulement (1, 9, 17, 20, 23) destiné à enrouler une bande de papier (40) dans une enrouleuse. Cette enrouleuse comprend au moins une unité (51, 52) laquelle est mobile dans le sens longitudinal de la machine à papier et supporte une paire d'éléments d'engagement opposés (32, 33), chacun desquels comprend une partie d'engagement (36), ces parties d'engagement (36) étant agencées de manière à porter en rotation et à engager de manière amovible l'arbre d'enroulement pendant l'enroulement. Selon l'invention, l'arbre d'enroulement est dépourvu d'arbre support et possède un manchon tubulaire (2) auto-portant, constitué sensiblement de matière plastique renforcée par des fibres. Ce manchon possède une surface d'enveloppe (4), sur laquelle l'enroulement initial de la bande de papier doit être exécuté, et une surface interne (5), définissant un canal axial (6), qui se termine avec des ouvertures axiales (7) au niveau des extrémités de l'arbre d'enroulement. L'invention concerne également une enrouleuse destinée à ces arbres d'enroulement.

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