发明名称 CLEANING SHEET
摘要 <p>The present invention provides a cleaning sheet including at least two cleaning portions and recess portions that surround each cleaning portion and function to provide separate adjacent cleaning portions, the recess portions being thinner than the thickness of the cleaning portions, thus providing recess portions that are easily bendable and cleaning portions that can better conform to objects to be cleaned. The recess portions can be formed on one side or two sides of the cleaning sheet, and are easily separated. The cleaning sheet comprises composite sponge layers and fabric layers to provide different cleaning surfaces of differing cleaning power, and which are easy to clean. The cleaning sheet provided by the present invention is adaptable to the different sizes, shapes and surfaces of a variety of objects to be cleaned.</p>
申请公布号 WO2015048606(A1) 申请公布日期 2015.04.02
申请号 WO2014US57948 申请日期 2014.09.29
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 LI, CHANGWEN;CHENG, LIANG
分类号 A47L13/16;A47L17/04 主分类号 A47L13/16
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