Tissue products having enhanced cross-machine directional...

Details Tissue products having enhanced cross-machine directional... Tissue products having enhanced cross-machine directional...

D - Textiles, Paper

21

F

D21F 11/14 (2006.01)

Patent

CA 2630867

Tissue products are disclosed having desirable strength, stretch and softness properties. In particular, the tissue products exhibit relatively high strength while still having a relatively low stiffness and a significant amount of stretch. The tissue webs generally comprise uncreped through-air dried webs. In accordance with the present disclosure, the webs are formed in a through-air drying process in which the transfer fabric and the through-air drying fabric are both textured fabrics having a substantially uniform high strain distribution in the cross-machine direction. Various improvements in properties in the cross-machine direction are exhibited by deforming or molding a tissue web against one or more of the fabrics during the tissue making process.

La présente invention concerne des produits en papier présentant des propriétés souhaitables de résistance, d~étirement et de douceur. Les produits en papier présentent en particulier une résistance relativement élevée tout en possédant une rigidité relativement faible et une quantité d~étirement significative. Les bandes de papier se composent en général de bandes non crêpées séchées à l~air. Selon la présente invention, les bandes sont obtenues à l~aide d~un procédé de séchage à l~air lors duquel le tissu de transfert et le tissu de séchage à l~air sont tous deux des tissus texturés présentant une répartition d~effort élevée sensiblement homogène dans le sens travers. Diverses améliorations des propriétés dans le sens travers sont obtenues par déformation ou moulage d~une bande de papier contre un ou plusieurs tissus lors du procédé de fabrication du papier.

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