Patent ID: 7553783
Filing Date: 2009-06-30
Classification: A47L,Y10T

Abstract:
1. A cleaning sheet having a cleaning surface intended to come into contact with an object to be cleaned and a holding surface opposite from the cleaning surface, the cleaning sheet comprising a liquid-permeable topsheet on the cleaning surface; a substrate sheet on the holding surface; and a liquid retaining member and a non-woven fabric sheet disposed between the topsheet and the substrate sheet; the topsheet comprising hydrophilic synthetic resin fibers; wherein said cleaning sheet comprises a first rectangular cleaning region in which the topsheet, the substrate sheet, the liquid retaining member and the non-woven fabric sheet are present, and wherein said cleaning sheet further comprises two rectangular second cleaning regions, each disposed along opposite sides of the first cleaning region, said second cleaning regions comprising said topsheet, said non-woven fabric sheet and said substrate sheet, but not said liquid retaining member, and wherein said cleaning sheet further comprises third rectangular cleaning regions, each disposed along opposite sides of said second cleaning regions, said third cleaning regions comprising said substrate sheet and said non-woven fabric sheet, but not said topsheet and not said liquid retaining member; and wherein said substrate sheet comprises two attachment regions each disposed along opposite outer long sides of said third cleaning regions, said attachment regions adapted to be attached to a top surface of a cleaning device.