A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 3/00 (2006.01) A24D 3/02 (2006.01) D02G 1/12 (2006.01)
Patent
CA 2710316
The invention relates to a filter tow strip, especially twin tow from cross- linked and crimped filaments which form at least two partial strips (12a, 12b) that are interlinked by a section of reduced cross-linking density (11), the linking filaments (13) being interlooped and/or interlocked in such a manner that the linking filaments form intersections (14). The filter two strip is characterized in that the maximum cross-cutting force of the partial strips (12a, 12b) does not exceed 20 cN on a length of approximately 20 cm of the filter tow strip (10) and/or the number of the linking filaments (13) does not exceed 200 cross-locking and/or cross-looping filaments on a length of approximately 20 cm of the filter tow strip (10) when impinged with the maximum cross-cutting force.
L'invention concerne une mèche filtre, en particulier une mèche double formée de filaments réticulés et crêpés qui forment au moins deux bandes partielles (12a, 12b) qui sont interconnectées par une section de densité de réticulation réduite (11), les filaments de liaison (13) étant en boucles croisées et/ou assemblés, de manière à former des points d'intersection (14). L'invention est caractérisée en ce que la force de coupe transversale maximale des bandes partielles (12a, 12b) n'excède pas 20 cN sur une longueur d'environ 20 cm de la mèche filtre (10) et/ou en ce que le nombre de filaments de liaison (13) n'excède pas 200 filaments assemblés et/ou en boucles croisées sur une longueur d'environ 20 cm de la mèche filtre (10) lorsqu'ils sont soumis à une force de coupe transversale maximale.
Muller Hermann
Rustemeyer Paul
Schaffner Uwe
Gowling Lafleur Henderson Llp
Rhodia Acetow Gmbh
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