Three-dimensional structures useful as cleaning sheets

Details Three-dimensional structures useful as cleaning sheets Three-dimensional structures useful as cleaning sheets

A - Human Necessities

47

L

A47L 13/16 (2006.01) A47L 13/17 (2006.01) A47L 13/19 (2006.01) A47L 13/20 (2006.01) B08B 1/00 (2006.01) B32B 3/28 (2006.01) B32B 5/26 (2006.01) B32B 7/14 (2006.01) C11D 3/18 (2006.01) C11D 3/50 (2006.01) C11D 17/04 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2293362

Disclosed are cleaning sheets having substantial macroscopic three-dimensionality. Optionally, the macroscopically three-dimensional cleaning sheets can comprise a contractable material (e.g., a scrim material), which when heated and then cooled contracts so as to provide a macroscopic, three-dimensional structure. Macroscopic three-dimensionality is described in terms of "average peak-to-peak distance" and "surface topography index", as well in terms of "average height differential". Also disclosed are cleaning implements comprising a handle and the described cleaning sheets. Processes for the sheets, benefits of the processes, and articles of manufacture are also disclosed.

Cette invention se rapporte à des textiles possédant une structure macroscopique sensiblement tridimensionnelle. Lesdits textiles d'entretien à structure macroscopique tridimensionnelle peuvent comporter une matière susceptible de se contracter (par exemple, une matière à fibres enchevêtrées) qui, lorsqu'elle est chauffée puis refroidie, se contracte de manière à former la structure macroscopique tridimensionnelle. L'aspect macroscopique tridimensionnel est décrit en termes de "différentiel moyen de hauteur" et de "distance moyenne crête-à-crête". L'invention se rapporte également à des instruments de nettoyage comportant une poignée et les textiles d'entretien précédemment décrits. L'invention se rapporte enfin à des procédés d'utilisation de ces textiles d'entretien, aux avantages présentés par lesdits procédés et aux articles fabriqués correspondants.

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