US 2012/0255671 A1Published application

Method for producing a multi-ply web of flexible material

AssigneeSCA Hygiene Products AB

InventorsPaul Wallstabe, Eva-Li Saarväli

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Abstract

A method for producing a multi-ply web including at least three plies of flexible material, such as paper and nonwoven material, by means of gluing the plies. The method includes the steps of embossing first and second webs of flexible material separately between a respective embossing roll and a respective impression roll; applying glue to one side of each of the embossed first and second webs; feeding the first and second webs and a third web separately into a laminating nip. The third web is between the first and second webs, and the glue is applied to sides of the first and second webs facing the third web so that the first, second and third webs are combined in a single step. The laminating nip is formed between the first embossing roll and a laminating roll.

Claims9

Dependent claims

A method for producing a multi-ply web including at least three plies of flexible material comprising the steps of:

embossing a first web of flexible material defining a first outer surface of said multiply web in a nip between a first embossing roll and a first impression roll;
applying glue to one side of the embossed first web by a first glue transfer roll;
embossing a second web of flexible material defining a second outer surface of said multiply web in a nip between a second embossing roll and a second impression roll;
applying glue to one side of the embossed second web by a second glue transfer roll;
combining said first and second webs with a third web, said third web being between the first and second webs, in a laminating nip to produce a multi-ply web, wherein the glue applied sides of the first and second outer webs are facing the third web, and
feeding the first, second and third webs of flexible material separately into said laminating nip, so that the first, second and third webs are combined in a single step, wherein said laminating nip is formed between said first embossing roll and a laminating roll.

3 more elements

Dependencies are inferred from the claim text.