D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 11/00 (2006.01) D21H 27/02 (2006.01) D21H 27/30 (2006.01)
Patent
CA 2425516
An improved method for imprinting a paper web during a wet pressing event is disclosed which results in asymmetrical protrusions (68) corresponding to the deflection conduits (62) of a deflection member (36). In one embodiment, differential velocity transfer during a pressing event serves to improve the molding and imprinting of a web (32) with a deflection member (36). Improved deflection members (36) are also disclosed. Improved tissue webs produced are also disclosed having useful sets of physical and geometrical properties, such as a pattern densified network and a repeating pattern of protrusions having asymmetrical structures.
L'invention concerne un procédé amélioré destiné à réaliser un gaufrage sur une bande de papier pendant une opération de pressage humide. Pour ce faire, utilise des éléments saillants asymétriques correspondant aux conduits de déformation d'un élément de déformation. Dans un mode de réalisation, un transfert de vitesse différentielle pendant une opération de pressage permet d'améliorer le moulage et le gaufrage d'une bande à l'aide d'un élément de déformation. L'invention se rapporte également à des éléments de déformation améliorés, ainsi qu'à des bandes de tissu présentant des propriétés géométriques et physiques utiles, et comportant notamment un réseau densifié de motifs et un motif répétitif d'éléments saillants à structure asymétrique.
Burazin Mark Alan
Chen Fung-Jou
Hermans Michael Alan
Larson Kenneth Curtis
Lin Philip Sim
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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