Disposable, moisture vapour permeable, liquid impermeable...

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/00 (2006.01) A47C 21/06 (2006.01) A47G 9/02 (2006.01) A61F 5/48 (2006.01) A61F 13/15 (2006.01) A61L 15/22 (2006.01) A61L 15/42 (2006.01) B32B 27/12 (2006.01) A47G 9/00 (2006.01)

Patent

CA 2417133

The present invention relates to a disposable covering sheet for bedding articles which is moisture vapour permeable and liquid impermeable and comprises at least a moisture vapour permeable fibrous layer and a liquid impermeable but moisture vapour permeable film layer of preferred thermoplastic compositions. The disposable covering sheet such as, for example, a mattress cover or a pillow cover provides a better comfort to the user. The disposable covering sheet of the present invention can find a variety of applications wherein moisture vapour permeability and liquid imperviousness are desirable combined with easy disposability and increased in- use comfort.

L'invention concerne une housse jetable pour des articles de literie, laquelle housse est perméable à la vapeur d'eau et imperméable au liquide, et laquelle comprend au moins une couche fibreuse perméable à la vapeur d'eau et une couche mince imperméable au liquide mais perméable à la vapeur d'eau, formées à partir de compositions thermoplastiques préférées. Cette housse jetable, par exemple une housse pour matelas ou une housse pour coussin, permet un plus grand confort de l'utilisateur. La housse jetable de cette invention peut trouver diverses applications, la perméabilité à la vapeur d'eau et l'imperméabilité au liquide étant combinées de manière avantageuse pour une élimination facile de ladite housse et un confort d'utilisation accru.

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