Layered cleaning sheets

A - Human Necessities – 47 – L

Patent

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Details

A47L 13/16 (2006.01) A47L 13/40 (2006.01) B32B 7/02 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2385886

Layered cleaning sheets (10, 30, 50), including a layer of electret material (12, 32, 52) and a layer of absorbent material (14, 34, 54), are described. The electret material layer is particularly suitable for removing particulate materials, such as, but not limited to dust and soil, and is at least partially or semi-impervious to liquid materials. The absorbent material layer is particularly suitable for absorbing relatively large amounts of liquid materials, such as, but not limited to water. Additional layers, such as, but not limited to adhesives (36, 58, 60) and barriers (56) can be interposed between the electret and absorbent material layers in order to provide enhanced durability and imperviousness to liquid materials.

L'invention concerne des feuilles en couches pour nettoyage (10, 30, 50) comprenant une couche de matière d'électret (12, 32, 52) et une couche de matière absorbante (14, 34, 54). La couche de matière d'électret est particulièrement adaptée à l'élimination de matières particulaires, telles que la poussière et la souillure, ces matières ne se limitant toutefois pas seulement à la poussière et à la souillure, et est au moins partiellement imperméable ou semi-imperméable aux matières liquides. La couche de matière absorbante est particulièrement appropriée à l'absorption de quantités relativement importantes de matières liquides, telles que l'eau, ces matières ne se limitant toutefois pas uniquement à l'eau. Des couches supplémentaires, telles que par, exemple, des adhésifs (36, 58, 60), et des barrières (56) peuvent être interposées entre l'électret et les couches de matières absorbantes en vue d'engendrer une longévité et une imperméabilité améliorées vis-à-vis des matières liquides.

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