D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 1/02 (2006.01)
Patent
CA 2305300
The invention concerns a roll of low-weight construction for a paper or board machine or for a paper or board finishing device. The roll frame of the roll (10) comprises a cylindrical mantle (11) with thin walls and a core part (12), which fills said cylindrical mantle fully or at least partly and which has been made of a filler material that has a low weight but that endures loading in the press direction well. The invention also concerns a method for manufacture of the roll.
L'invention a pour objet un rouleau de construction légère qui est conçu pour une machine à papier ou à carton ou encore pour un dispositif de finition du papier ou du carton. Le rouleau (10) comprend dans sa structure une couverture cylindrique (11) possédant des parois minces et une partie noyau (12) qui remplit cette couverture cylindrique, en entier ou au moins partiellement. Le noyau est fabriqué à partir d'un matériau qui a un poids plus faible mais qui supporte bien l'alimentation dans la direction de la presse. L'invention concerne également un procédé de fabrication de ce rouleau.
Koivukunnas Pekka
Laitila Jyrki
Lumppio Kari
Viljanmaa Mika
Metso Paper Inc.
Sim & Mcburney
Valmet Corporation
LandOfFree
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