发明名称 MASK WITH LEAK PREVENTING SECTION
摘要 To effectively reduce a leakage rate in a mask provided with a leak preventing section adapted to be interposed between a mask body and a wearer's face when the mask is worn. A leak preventing section 14 of a mask 10 includes a first sheet part 22 capable of being laid on a mask body 12; a first connection 24 connecting the first sheet part to the mask body; a second sheet part 26 capable of being laid on the first sheet part; a second connection 28 different from the first connection, and connecting the second sheet part to the first sheet part; a third connection 30 different from the first and second connections, and connecting the first and second sheet parts to the mask body to form a pocket-shape folded configuration 32 between the mask body and the first and second sheet parts; and a fourth connection 34 different from the first, second and third connections, and connecting a wearing band 16 to the second sheet part.
申请公布号 WO2011116173(A2) 申请公布日期 2011.09.22
申请号 WO2011US28789 申请日期 2011.03.17
申请人 3M INNOVATIVE PROPERTIES COMPANY;MAKIUCHI, NAGOMI 发明人 MAKIUCHI, NAGOMI
分类号 A62B18/02;A62B9/00;A62B18/08 主分类号 A62B18/02
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