A process and apparatus for manufacturing intermediate...

Details A process and apparatus for manufacturing intermediate... A process and apparatus for manufacturing intermediate...

A - Human Necessities

61

F

A61F 13/15 (2006.01) B01J 20/28 (2006.01) B32B 37/24 (2006.01)

Patent

CA 2167669

A process and apparatus for manufacturing an intermediate absorbent product (21) to be used in manufacturing finished absorbent articles incorporating absorbent materials in fibre, granule or powder form. According to the invention a predetermined pattern of absorbent material (5), in case blended with a bonding agent (4), is deposited as a layer on and between web-like supporting sheets (1,2, 3) and bonded thereto by applying heat, and longitudinal strips (11) of adhesive material (11) are further deposited between the sheets, and then the web-like product (21) thus obtained is longitudinally cut. The invention further concerns such intermediate product (21) and the absorbent finished articles obtained by applying additional layers and/or sheets and transversally and/or longitudinally cutting such assembly.

Procédé et appareil de production d'un produit absorbant intercalaire (21) utilisé dans la production d'articles absorbants finis comportant des matières absorbantes sous la forme de fibres, de granulés ou de poudres. Selon l'invention, une configuration prédéterminée de matière absorbante (5), ici mélangée à un liant (4), est déposée sous forme de couche sur et entre des feuilles-supports (1, 2, 3) de type voile, y est liée par apport de chaleur, puis des bandes longitudinales (11) d'une matière adhésive sont placées entre les feuilles, et le produit (21) de type voile ainsi obtenu est découpé longitudinalement. L'invention porte également sur ledit produit intercalaire (21) et sur des articles absorbants finis obtenus par application de couches et/ou de feuilles additionnelles et par découpage transversal ou longitudinal de l'ensemble ainsi formé.

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