D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/08 (2006.01)
Patent
CA 2331357
A papermaking belt (10) for dewatering and imprinting a paper web. The belt comprises two laminae (20,50) joined together in a face to face relationship to form a unitary laminate. The first lamina (20) comprises a foraminous imprinting member (21) which may serve as a reinforcing structure (23) for a patterned framework (40). The second lamina (50) comprises a secondary base and a batting (52) which is joined to the secondary base to form a dewatering felt. The two laminae (20,50) are juxtaposed and attached such that batting from the second lamina extends through the foraminous imprinting member of the first lamina providing a hydraulic connection therebetween. The papermaking belt provides a web patterning apparatus suitable for making structured paper on a conventional papermaking machine. The papermaking belt further provides a web patterning apparatus capable of dewatering a paper web using conventional dewatering techniques such as a suction vacuum roll.
La présente invention concerne une toile (10) de machine à papier destinée à égoutter et à marquer une bande de papier. La toile comprend deux nappes (20, 50) jointes face à face afin de former une seule nappe. La première nappe (20) comprend un élément de marquage poreux (21) qui peut servir de structure de renforcement (23) à une armature de motif (40). La seconde nappe (50) comprend une base secondaire et une bande de non tissé (52) jointe à la base secondaire pour former un feutre d'égouttage. Les deux nappes (20, 50) sont juxtaposées et attachées de telle façon que la bande de non tissé du second laminé s'étende à travers l'élément de marquage poreux du premier laminé permettant une connexion hydraulique entre eux.
Dimock Stratton Llp
The Procter & Gamble Company
LandOfFree
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