D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 1/00 (2006.01)
Patent
CA 2397399
A papermaker's fabric includes a base fabric structure including machine direction yarns and primary cross machine direction yarns interlacing to form a papermaking surface, wherein the machine direction yarns and primary cross machine direction yarns are interlaced in a pattern having a harness repeat of greater than two. The fabric also includes first and second companion cross machine direction yarns positioned between each pair of adjacent primary cross machine direction yarns. Each first companion cross machine direction yarn has an interlacing pattern relative to the machine direction yarns that is identical to a first of the pair of adjacent primary cross machine direction yarns, and each second companion cross machine direction yarn has an interlacing pattern relative to the machine direction yarns that is identical to a second of the pair of adjacent primary cross machine direction yarns. The first companion cross machine direction yarn is positioned between the second primary and companion cross machine direction yarns. The primary cross machine direction yarns have a first diameter, and the first and second companion yarns have a second diameter, wherein the ratio between the first and second diameters is between about 0.9 and 1.1.
L'invention porte sur une toile de papeterie qui comprend une structure de base comportant des fils sens machine et des fils sens travers primaires qui s'entrelacent de façon à former une surface de papier. Les fils sens machine et les fils sens travers primaires sont entrelacés selon une configuration présentant une double répétition ou plus du dessin du harnais. La toile comprend également des premiers et seconds fils sens travers associés placés entre chaque paire de fils sens travers primaires adjacents. Chaque premier fil sens travers primaire a un motif d'entrelacement par rapport aux fils sens machine qui est identique à la première paire de fils sens travers primaires adjacents, et chaque second fil sens travers associé a un motif d'entrelacement par rapport aux fils sens machine qui est identique à une seconde paire de fils sens travers primaires adjacents. Le premier fil sens travers associé est positionné entre les seconds fils sens travers primaires et associés. Les fils primaires sens travers ont un premier diamètre, et les premiers et seconds fils associés ont un second diamètre, le rapport entre les premier et second diamètres étant compris entre environ 0,9 et 1,1.
Troughton Brian H. P.
Wilson Robert G.
Smart & Biggar
Weavexx Corporation
LandOfFree
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