Disposable cleaning sheets comprising a plurality of...

A - Human Necessities – 47 – L

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A47L 13/16 (2006.01) A47L 13/20 (2006.01) A47L 25/08 (2006.01)

Patent

CA 2448392

Disposable cleaning sheets for removing debris from a surface comprise a substrate and a plurality of protrusions affixed to the substrate. The cleaning sheets of the present invention have one or more of the following characteristics: (a) "Protrusion Flexibility" of at least about 0.5 grams, preferably from about 1 to about 200 grams, and more preferably from about 5 to about 70 grams; (b) "Glide Resistance" of less than about 1200 grams, preferably from about 25 to about 950 grams, and more preferably from about 200 to about 750 grams; (c) "Hair Capture Efficiency" of at least about 10%, preferably at least about 30%, and more preferably at least about 60%; and/or (d) "Sheet Capacity" of from about 0.2 to about 20 grams, preferably from about 0.5 to about 10 grams, and more preferably from about 0.75 to about 5 grams. When the present cleaning sheet is attached to a cleaning implement, the Attachment Force between the cleaning sheet and the cleaning implement will typically be at least about 600 grams, preferably at least about 1000 grams, and more preferably at least about 1400 grams. Methods of removing debris from a surface comprise contacting the surface with a cleaning sheet of the present invention.

L'invention concerne des lingettes nettoyantes jetables permettant de retirer des débris d'une surface, qui comprennent un substrat et une pluralité de parties saillantes fixées au substrat. Lesdites lingettes nettoyantes présentent au moins une des caractéristiques suivantes: (a) flexibilité de parties saillantes" d'au moins 0.5 grammes environ, de préférence d'environ 1 à environ 200 grammes, et idéalement d'environ 5 à environ 70 grammes; (b) résistance au glissement inférieure à 1200 grammes environ, et de préférence comprise entre environ 25 et environ 950 grammes, et idéalement entre environ 200 et environ 750 grammes; (c) efficacité de capture des poils d'au moins 10 % environ, de préférence d'au moins 30 % environ, et idéalement d'au moins 60 % environ; et/ou (d) capacité de la lingette d'environ 0,2 à environ 20 grammes, de préférence d'environ 0,5 à environ 10 grammes, et idéalement d'environ 0,75 à environ 5 grammes. Lorsque ladite lingette nettoyante est attachée à un instrument de nettoyage, la force d'attachement entre la lingette nettoyante et l'instrument de nettoyage sera généralement d'au moins 600 grammes environ, de préférence d'au moins 1000 grammes environ, et idéalement d'au moins 1400 grammes environ. L'invention concerne également des procédés destinés à retirer des débris situés sur une surface, qui consistent à appliquer ladite lingette nettoyante sur la surface.

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