B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) A61F 13/15 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2303319
A breathable, liquid-impermeable, apertured film/nonwoven laminate (10) is provided for use as a backsheet on various absorbent articles such as diapers, sanitary napkins, incontinent garments, and the like. The laminate is formed from a breathable polymeric film layer (20), an apertured film layer (30), and a nonwoven web layer (12). The layers may be attached in an arrangement where the breathable polymeric film layer is sandwiched between the nonwoven web layer and apertured film layer, or where the apertured film layer is sandwiched between the nonwoven web layer and the breathable film layer. A process for making the laminate is also provided.
L'invention a pour objet un film perforé/laminé non tissé imper-respirant (10), utilisé comme feuille de fond dans divers articles absorbants tels que des couches de bébé, des serviettes hygiéniques, des vêtements pour incontinence et analogue. Ce laminé est formé à partir d'une couche de film polymère respirant (20), d'une couche de film perforé (30) et d'une couche de nappe en non tissé (12). Les couches peuvent être reliées entre elles et disposées de manière que la couche de film polymère respirant s'intercale entre la couche de nappe en non tissé et la couche de film perforé, ou que la couche de film perforé s'intercale entre la couche de nappe en non tissé et la couche de film polymère respirant. L'invention concerne également un procédé de fabrication de ce laminé.
Jones Billy R.
Majors Mark B.
Shaffer Robert L.
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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