Belt for shoe press

Details Belt for shoe press Belt for shoe press

D - Textiles, Paper

21

F

D21F 3/02 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2622622

A belt (10) for shoe press comprising a shoe side layer (20), a substrate (30) formed on the outer circumference of the shoe side layer (20), and a wet paper side layer (60) formed on the outer circumference of the substrate (30). The substrate (30) consists of a lattice-like material (40) formed by bonding the intersection of a warp (40A) and a weft (40B), and a thread winding layer (50) formed by winding a thread (50A) spirally. Bonding at the intersection of the warp (40A) and the weft (40B) is separated easily and friction takes place between them, but since the warp (40A) is made to wear earlier than the weft (40B), the weft (40B) does not wear in the early stage as compared with prior art. Consequently, strength and dimensional stability of the belt for shoe press are enhanced.

La présente invention vise une courroie (10) pour presse à sabot comprenant une couche sur le côté sabot (20), un substrat (30) formé sur la circonférence externe de la couche sur le côté sabot (20), et une couche sur le côté papier mouillé (60) formée sur la circonférence externe du substrat (30). Le substrat (30) se compose d~un matériau en forme de treillis (40) réalisé par collage de l~intersection d~une chaîne (40A) et d~une trame (40B), et d~une couche d~enroulement de fil (50) formée par l~enroulement d~un fil (50A) en spirale. Le collage à l~intersection de la chaîne (40A) et de la trame (40B) est séparé facilement et une friction a lieu entre eux, mais comme la chaîne (40A) est concue de façon à s~user plus tôt que la trame (40B), cette dernière ne s~use pas au début contrairement à la technique antérieure. La résistance et la stabilité dimensionnelle de la courroie pour presse à sabot s~en trouvent donc renforcées.

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