Method for bonding at least two tissue papers to each other
AssigneeSCA Hygiene Products AB
InventorsGunther Zoeller, Wolfram Schinkoreit, Malcolm Robson
Life of this patent
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Abstract
A method for autogenously bonding at least two plies of tissue paper with a basis weight from 10 to 45 g/m2 comprises the steps of: laying the plies face-to-face; ultrasonically bonding the plies to each other with the help of at least one ultrasonic horn which oscillates perpendicular to the surface to the tissue paper plies. A multi-ply tissue paper produced by the method is also described.
Claims20
A method for autogenously bonding at least two plies of tissue paper with a basis weight from 10 to 45 g/m2 comprises the steps of laying the plies face-to-face,
- bonding the plies to each other with the help of ultrasonic means having at least one ultrasonic horn which oscillates perpendicular to the surface of the tissue paper plies
The multi-ply tissue paper, each ply of the tissue paper having a basis weight from 10 to 45 g/m2, wherein said multi-ply tissue paper is bonded autogenously by ultrasonic means.
Dependencies are inferred from the claim text.