Process for forming laminated absorbent structure

Details Process for forming laminated absorbent structure Process for forming laminated absorbent structure

A - Human Necessities

61

F

A61F 13/53 (2006.01)

Patent

CA 2207069

The present invention utilizes the smooth con-tinuous motion of a masking belt to concentrate air--entrained absorbent materials on the surface of a moving fibrous substrate. Air flowing through the open areas of the masking belt carries the entrained material into the fibrous web. The fibrous web acts as a filter to separate the entrained material from the air stream. Substantially all dispensed material is captured by the fibrous web, and expensive and complex absorbent material recycle systems can be eliminated.

L'invention utilise le déplacement continu régulier d'une courroie de masquage afin de concentrer les matériaux absorbants entraînés par l'air sur la surface d'un substrat fibreux en déplacement. L'air circulant à travers les zones ouvertes de la courroie de masquage fait pénétrer le matériau entraîné dans la bande fibreuse. Celle-ci sert de filtre afin de séparer le matériau entraîné du flux d'air. Pratiquement la totalité du matériau entraîné est retenue dans la bande fibreuse, ce qui permet d'éliminer les systèmes de recyclage coûteux et complexes de matériau absorbant.

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