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公开(公告)号：US20170252685A1
公开(公告)日：2017-09-07
申请号：US15411277
申请日：2017-01-20
Inventor： Koji Motomura , Nobuhiro Nishizaki , Kouji Ikeda , Takahiko Murata , Takatoshi Mitsushima
CPC classification number: B01D39/163 , B01D2239/0622 , B01D2239/0681 , B01D2239/0686 , B01D2239/10 , B01D2239/1233 , B32B3/28 , B32B5/022 , B32B5/024 , B32B5/026 , B32B5/26 , B32B7/14 , B32B37/0053 , B32B37/1207 , B32B37/1292 , B32B2037/1215 , B32B2250/03 , B32B2250/20 , B32B2255/02 , B32B2255/26 , B32B2262/0238 , B32B2262/0246 , B32B2262/0253 , B32B2262/0261 , B32B2262/0276 , B32B2262/0284 , B32B2262/0292 , B32B2262/062 , B32B2262/101 , B32B2307/724 , B32B2432/00 , B32B2437/00 , B32B2457/10 , B32B2457/18 , B32B2535/00 , D04H1/56 , D04H1/593 , D04H1/62 , D10B2505/04
Abstract: A fiber laminate includes a first fiber sheet containing first fibers, a second fiber sheet laminated on the first fiber sheet and containing second fibers, and an adhesive interposed between the first fiber sheet and the second fiber sheet. The adhesive is disposed to form a linear first region in the fiber laminate when viewed from a normal direction of a principal surface of the fiber laminate. The first fiber sheet and the second fiber sheet are adhered to each other via the first region. A gap is formed between the first fiber sheet and the second fiber sheet in a second region other than the first region.
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Patent Agency Ranking
公开(公告)号：US10232293B2
公开(公告)日：2019-03-19
申请号：US15411277
申请日：2017-01-20
Inventor： Koji Motomura , Nobuhiro Nishizaki , Kouji Ikeda , Takahiko Murata , Takatoshi Mitsushima
IPC: B01D53/22 , B01D39/16 , B32B3/28 , B32B5/02 , B32B5/26 , B32B7/14 , D04H1/56 , D04H1/593 , D04H1/62 , B32B37/12 , B32B37/00
Abstract: A fiber laminate includes a first fiber sheet containing first fibers, a second fiber sheet laminated on the first fiber sheet and containing second fibers, and an adhesive interposed between the first fiber sheet and the second fiber sheet. The adhesive is disposed to form a linear first region in the fiber laminate when viewed from a normal direction of a principal surface of the fiber laminate. The first fiber sheet and the second fiber sheet are adhered to each other via the first region. A gap is formed between the first fiber sheet and the second fiber sheet in a second region other than the first region.
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公开(公告)号：US10413856B2
公开(公告)日：2019-09-17
申请号：US15695389
申请日：2017-09-05
Inventor： Koji Motomura , Hiroto Sumida , Takahiko Murata
Abstract: There is provided a stacked body which includes a porous base layer, a porous charged layer, a very fine-fiber layer, and an adsorbent. The base layer is configured with base fiber. The charged layer is configured with charged fiber. The very fine-fiber layer is interposed between the base layer and the charged layer and includes very fine fiber. The adsorbent is held in the very fine fiber and adsorbs a chemical substance. An average fiber diameter of the charged fiber is greater than an average fiber diameter of the very fine fiber.
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公开(公告)号：US10220340B2
公开(公告)日：2019-03-05
申请号：US14870606
申请日：2015-09-30
Inventor： Koji Motomura , Takahiko Murata , Hiroto Sumida , Takahiro Kurokawa , Takatoshi Mitsushima
IPC: B01D53/22 , B01D39/18 , B32B5/02 , B32B5/24 , B32B5/26 , B32B5/08 , B32B5/22 , B01D39/16 , B32B5/12
Abstract: A laminated nonwoven fabric includes a first nonwoven fabric that comprises first fibers, and a second nonwoven fabric that comprises second fibers. The second nonwoven fabric is laminated on the first nonwoven fabric. An average fiber diameter D1 of the first fibers and an average fiber diameter D2 of the second fibers satisfy a relation of D1>D2. In viewed from a side of a principal surface of the second nonwoven fabric being not opposed to the first nonwoven fabric, a total area of first portions of the second fibers superimposed on the first fibers and existing on the nearer side than the first fibers is larger than a total area of second portions of the second fibers existing and superimposed on voids S of the first nonwoven fabric formed of the first fibers.
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公开(公告)号：US10464003B2
公开(公告)日：2019-11-05
申请号：US15696221
申请日：2017-09-06
Inventor： Koji Motomura , Hiroto Sumida , Takahiko Murata , Takatoshi Mitsushima , Keiji Fujiwara
Abstract: There is provided a filter which includes a fiber layer and an adsorbent. The fiber layer includes fiber. The adsorbent is held in the fiber and adsorbs a chemical substance. The filter is divided into a plurality of sections by a fold. Each of the plurality of sections includes a first end portion positioned along the fold, a center portion adjacent to the first end portion, and a second end portion which counterposes the first end portion with the center portion interposed. The density of the adsorbent at the center portion is greater than the density of the adsorbent at the first end portion and at the second end portion.
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公开(公告)号：US10195556B2
公开(公告)日：2019-02-05
申请号：US15191522
申请日：2016-06-23
Inventor： Koji Motomura , Takahiko Murata , Hiroto Sumida , Takatoshi Mitsushima , Keiji Fujiwara
Abstract: A laminated nonwoven fabric includes a first nonwoven fabric containing first fibers, a second nonwoven fabric containing second fibers, a third nonwoven fabric containing third fibers, and an adhesive. The second nonwoven fabric is laminated on the first nonwoven fabric, and the third nonwoven fabric is laminated on the second nonwoven fabric on an opposite side with respect to the first nonwoven fabric. The adhesive is disposed between the first nonwoven fabric and the third nonwoven fabric. An average fiber diameter of the second fibers is equal to or less than 3 μm, and is smaller than an average fiber diameter of the first fibers. The third nonwoven fabric has a protrusion including a part of the third fibers entangled with each other on a surface facing the second nonwoven fabric. At least a part of the adhesive is disposed between the protrusion and the first nonwoven fabric.
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