B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/22 (2006.01) A61F 13/15 (2006.01) B29C 53/26 (2006.01)
Patent
CA 2194011
The invention concerns a device for continuously producing a strip (1) which undulates at least in regions and which consists of thin, laminar material which can expand at least in the transverse direction. The device comprises a guide bed (2) comprising grooves which run parallel or obliquely relative to one another and into which the material can be urged by means of holding-down devices (5). Downstream of the guide bed (2) are means which prevent deformation of the waves already formed. The invention further concerns a process for continuously producing a strip which undulates at least in regions. Finally, the invention concerns absorbent articles containing undulating strips.
L'invention concerne un dispositif de production en continu d'une bande (1) striée au moins partiellement, réalisée dans un matériau mince, en forme de feuille et extensible au moins dans le sens transversal. Ce dispositif présente un plateau de guidage (2) avec des rainures parallèles ou perpendiculaires les unes par rapport aux autres, dans lesquelles le matériau est comprimé au moyen de serre-flans (5). Des éléments placés en aval du plateau de guidage (2) empêchent la déformation des stries déjà formées. L'invention concerne en outre un procédé de production en continu d'une bande striée au moins partiellement. Enfin, l'invention a pour objet des articles absorbants contenant des bandes striées.
Aschenbrenner Franz
Raidel Maria
Ullmann Jan
Borden Ladner Gervais Llp
Hakle-Kimberly Deutschland Gmbh
Kimberly-Clark Gmbh
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