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公开(公告)号：US20210361986A1
公开(公告)日：2021-11-25
申请号：US17323002
申请日：2021-05-18
发明人： Satomi YOSHIOKA , Naotaka HIGUCHI , Shigeo FUJITA , Shunichi SEKI , Kazuhiro ICHIKAWA , Akio ITO
摘要： A sheet-like filter includes a first fiber that is mainly composed of polylactic acid, and a second fiber that is mainly composed of polylactic acid and has a core portion and a cover layer covering the core portion, in which the cover layer functions as a binder for fusing the first fiber and the second fiber. In addition, when a melting point of the core portion is denoted by Tm1 and a melting point of the cover layer is denoted by Tm2, it may be Tm2
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公开(公告)号：US20230399778A1
公开(公告)日：2023-12-14
申请号：US18331213
申请日：2023-06-08
发明人： Satomi YOSHIOKA , Satoru YANAGI , Kazuhiro ICHIKAWA , Satoru HOSONO , Jiro KATO , Tatsushi KATO , Shunichi SEKI
IPC分类号： D04H1/4382 , F16L59/02
CPC分类号： D04H1/43835 , F16L59/028
摘要： A heat insulating, heat storing, and heat generating material includes first fibers having a function of generating heat through moisture absorption, second fibers having a diameter smaller than a diameter of the first fibers, and a binding material binding together the first fibers, binding together the second fibers, and binding together the first fibers and the second fibers. The binding material contains a thermoplastic resin.
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公开(公告)号：US20210230802A1
公开(公告)日：2021-07-29
申请号：US17159273
申请日：2021-01-27
IPC分类号： D21F11/04 , D21B1/06 , D21F1/02 , D21F2/00 , D21F1/48 , D21F3/00 , D21H23/04 , D21H21/34 , D21H17/20 , D21H27/42
摘要： Equipment for manufacturing a fiber structure in the present disclosure includes: a defibrator configured to pulverize and defibrate a fiber material containing fibers; a transport pipe through which a defibrated material defibrated by the defibrator is transported; a melting-material mixing section configured to mix a melting material into the defibrated material transported through the transport pipe; a fibrous-web forming machine configured to accumulate the defibrated material in which the melting material is mixed and form a fibrous web; a sheet supply section configured to supply a shape-maintaining sheet to the fibrous web; and a heating-and-compression mechanism configured to compress the shape-maintaining sheet and the fibrous web between planar plates and heat the shape-maintaining sheet and the fibrous web to a temperature equal to or higher than a temperature at which the melting material softens.
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公开(公告)号：US20190062996A1
公开(公告)日：2019-02-28
申请号：US16117538
申请日：2018-08-30
发明人： Kaneo YODA , Yoshiyuki NAGAI , Yuki OGUCHI , Shigeo FUJITA , Akira ARAI , Kazuhiro ICHIKAWA , Teruaki OGUCHI , Seiichi TANIGUCHI
摘要： Provided is technology improving the efficiency (productivity) of a sheet manufacturing apparatus. A sheet manufacturing apparatus 100 manufactures sheets S by heating with heaters 81 and 82 a mixture (second web W2) of resin and fiber produced by defibrating feedstock MA. The heaters 81 and 82 each have a first roller 171, a second roller 172 that holds the second web W2 with the first roller 171, and a moving mechanism 190. The moving mechanism 190 can switch the first roller 171 and second roller 172 to a position holding the second web W2, and a first roller 171 and second roller 172 are separated and do not hold the second web W2. The heaters 81 and 82 are configured as units that can removably installed to the sheet manufacturing apparatus 100.
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公开(公告)号：US20210324555A1
公开(公告)日：2021-10-21
申请号：US16497500
申请日：2018-03-01
发明人： Kaneo YODA , Yoshiyuki NAGAI , Yuki OGUCHI , Shigeo FUJITA , Akira ARAI , Kazuhiro ICHIKAWA , Teruaki OGUCHI , Seiichi TANIGUCHI
摘要： A sheet manufacturing apparatus includes a defibrating portion that defibrates a raw material, a mixing portion that mixes a defibrated material defibrated by the defibrating portion, a heating portion that heats a mixture mixed by the mixing portion, and a control portion that controls a temperature of the heating portion, in which the control portion sets a heating temperature of the heating portion to a temperature depending on a type of the raw material defibrated by the defibrating portion.
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公开(公告)号：US20210087727A1
公开(公告)日：2021-03-25
申请号：US17024751
申请日：2020-09-18
发明人： Satomi YOSHIOKA , Tsukasa OTA , Hidehiro TAKANO , Kazuhiro ICHIKAWA , Akira ARAI , Satoru YANAGI
IPC分类号： D04H1/74
摘要： Provided is a fiber structure including: cellulose fiber disposed such that a main fiber orientation direction is a first direction; and a crosslinking material that binds a plurality of the cellulose fibers to each other, in which the first direction forms an angle of equal to or less than 45 degrees with respect to a direction of an external force applied from an outside to a bottom surface.
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公开(公告)号：US20200011009A1
公开(公告)日：2020-01-09
申请号：US16491592
申请日：2018-01-30
发明人： Akira ARAI , Kaneo YODA , Shunichi SEKI , Yoshihiro UENO , Kazuhiro ICHIKAWA , Shinichi KATO , Hidehiro TAKANO
摘要： A sheet is configured to have a first complex having a fiber and a fiber aggregation inhibitor integrally, a second complex having a fiber and a fiber aggregation inhibitor integrally, and a binding material which combines the first complex and the second complex and contains a resin.
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公开(公告)号：US20170312996A1
公开(公告)日：2017-11-02
申请号：US15523660
申请日：2015-10-28
CPC分类号： B29C69/001 , B26D2007/322 , B26D2011/005 , B29C41/28 , D04H1/425 , D04H1/60 , D21B1/08 , D21F9/00
摘要： A sheet manufacturing apparatus including a defibrating unit able to defibrate, in air, feedstock containing fiber; and a forming unit forming sheets, using at least part of defibrated material defibrated by the defibrating unit, by heating and pressurizing, and cutting; conveyance direction of the sheet in the forming unit being the short-side direction of the sheet.
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