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公开(公告)号：EP4040432A1
公开(公告)日：2022-08-10
申请号：EP20872103.5
申请日：2020-07-10
申请人： Nichias Corporation
IPC分类号： G10K11/16 , G10K11/168
摘要： Provided is a soundproof member having excellent soundproof characteristics. The soundproof member includes: a first elastic porous body layer (10); a first film layer (12); a second elastic porous body layer (20); and a second film layer (22), the layers being arranged in the stated order from a sound source (S) side, wherein the first elastic porous body layer (10) and the second elastic porous body layer (20) each have: a thickness of 0.5 mm or more and 10 mm or less; a bulk density of 45 kg/m 3 or more and 550 kg/m 3 or less; and a Young's modulus of 7,000 Pa or more and 28,000 Pa or less, and wherein a total (L1/Λ1+L2/Λ2) of a ratio (L1/Λ1) of the thickness L1 (mm) of the first elastic porous body layer (10) to a viscous characteristic length Λ1 (µm) thereof and a ratio (L2/Λ2) of the thickness L2 (mm) of the second elastic porous body layer (20) to a viscous characteristic length Λ2 (µm) thereof is 0.11 or more.
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公开(公告)号：EP3168200A1
公开(公告)日：2017-05-17
申请号：EP15818323.6
申请日：2015-06-16
申请人： Nichias Corporation
发明人： IWATA, Koji , KITAHARA, Hideki , MOCHIDA, Takahito , YONAIYAMA, Ken , SOEDA, Kazuki , MIKI, Tatsuro
CPC分类号： C03C13/006 , C03C10/0045 , C03C13/00 , C03C2204/00 , C03C2213/02 , D01F9/08
摘要： Inorganic fibers including the following composition, SiO 2 , Al 2 O 3 , MgO and CaO being main components, and the inorganic fibers being produced by a melting method: SiO 2 : 3.0 wt% or more and less than 48.0 wt%, Al 2 O 3 : more than 20.0 wt% and 80.0 wt% or less, MgO: 1.0 wt% or more and 50.0 wt% or less, CaO: 1.0 wt% or more and 50.0 wt% or less, and Fe 2 O 3 : 0.0 wt% or more and less than 1.0 wt%.
摘要翻译： 以SiO 2，Al 2 O 3，MgO和CaO为主要成分的无机纤维为无机纤维，所述无机纤维通过熔融法制造：SiO 2：3.0重量％以上且小于48.0重量％，Al 2 O 3：大于20.0重量％ 以下且80.0重量％以下，MgO：1.0重量％以上且50.0重量％以下，CaO：1.0重量％以上且50.0重量％以下，Fe 2 O 3：0.0重量％以上且小于1.0重量％。
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公开(公告)号：EP3026029A1
公开(公告)日：2016-06-01
申请号：EP14828668.5
申请日：2014-07-25
申请人： Nichias Corporation
发明人： IWATA, Koji , KITAHARA, Hideki , MOCHIDA, Takahito , YONAIYAMA, Ken , SOEDA, Kazuki , MIKI, Tatsuro
CPC分类号： C03C13/06 , C03C3/062 , C03C3/087 , C03C2213/02 , C04B35/62245 , C04B2235/3201 , C04B2235/3206 , C04B2235/3208 , C04B2235/3272 , C04B2235/5264 , C04B2235/96 , C04B2235/9607
摘要： Inorganic fibers which comprise K 2 O, MgO, SiO 2 and Al 2 O 3 as main components, the content of MgO being more than 20 mol% and the content of SiO 2 being 53 mol% or less. Inorganic fibers which comprise K 2 O, MgO, SiO 2 and Al 2 O 3 as main components, the content of K 2 O being less than 12 mol%. Inorganic fibers which comprise K 2 O, MgO, SiO 2 and Al 2 O 3 as main components, the amounts of K 2 O, MgO, SiO 2 and Al 2 O 3 satisfying the following composition:K 2 O: 5 to 30 wt%, MgO: 5 to 30 wt%, Al 2 O 3 : 20 to 65 wt%, and SiO 2 : 10 to 45 wt%.
摘要翻译： 以K 2 O，MgO，SiO 2和Al 2 O 3为主要成分的无机纤维，MgO的含量超过20摩尔％，SiO 2的含量为53摩尔％以下。 以K2O，MgO，SiO2和Al2O3为主要成分的无机纤维，K2O含量小于12mol％。 以K 2 O，MgO，SiO 2和Al 2 O 3为主成分的无机纤维，K 2 O，MgO，SiO 2和Al 2 O 3的含量满足下述组成：K 2 O 5〜30重量％，MgO 5〜30重量％，Al 2 O 3 20〜 65重量％，SiO 2：10〜45重量％。
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公开(公告)号：EP3467817A1
公开(公告)日：2019-04-10
申请号：EP17806487.9
申请日：2017-05-24
申请人： Nichias Corporation
发明人： MURAYAMA, Kazutaka , TSUKAHARA, Keiji , SASAKI, Hikari , TOMITSUKA, Yuuma , MIKI, Tatsuro , ANDO, Daisuke
IPC分类号： G10K11/162 , B32B5/02 , B32B5/18 , C03C13/00 , C04B38/10 , G10K11/168
摘要： A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 µm and 1000 µm or less, a bulk density is 0.007 to 0.024 g/cm 3 , and a flow resistivity is 170,000 to 2,000,000 Ns/m 4 .
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公开(公告)号：EP3178795A1
公开(公告)日：2017-06-14
申请号：EP14899219.1
申请日：2014-10-15
申请人： Nichias Corporation
发明人： IWATA, Koji , KITAHARA, Hideki , YONAIYAMA, Ken , SOEDA, Kazuki , MIKI, Tatsuro
CPC分类号： C03C13/00 , C03C3/087 , C03C4/0014 , C03C4/20 , C03C2204/00 , C03C2213/02 , D01D5/08 , D01F9/08 , D10B2401/12
摘要： Inorganic fibers including the following composition, SiO 2 , MgO and CaO being main components: SiO 2 : 73.6 wt% to 85.9 wt%, MgO: 9.0 wt% to 21.3 wt%, CaO: 5.1 wt% to 12.4 wt%, Al 2 O 3 : 0 wt% or more and less than 2.3 wt%, and Fe 2 O 3 : 0 wt% to 0.50 wt%.
摘要翻译： 包含以下组成的无机纤维：SiO 2，MgO和CaO为主要组分：SiO 2：73.6wt％至85.9wt％，MgO：9.0wt％至21.3wt％，CaO：5.1wt％至12.4wt％，Al 2 O 3：0wt％ ％以上且小于2.3重量％，Fe 2 O 3：0重量％〜0.50重量％。
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公开(公告)号：EP3026029B1
公开(公告)日：2019-02-27
申请号：EP14828668.5
申请日：2014-07-25
申请人： Nichias Corporation
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公开(公告)号：EP2868784A1
公开(公告)日：2015-05-06
申请号：EP13808822.4
申请日：2013-04-12
申请人： Nichias Corporation
发明人： IWATA, Koji , KITAHARA, Hideki , MOCHIDA, Takahito , ISHIKAWA, Yoichi , MIKI, Tatsuro , YONAIYAMA, Ken
IPC分类号： D01F9/08
CPC分类号： F16L59/028 , C03C3/062 , C03C3/087 , C03C13/06 , C03C2213/02 , C04B35/62236 , C04B35/62245 , C04B2235/5264 , C04B2235/72 , C04B2235/9669 , D01F9/08
摘要： Inorganic fibers which contain Na 2 O, SiO 2 and Al 2 O 3 as main components and do not react with alumina at 600°C.
摘要翻译： 含有Na 2 O，SiO 2和Al 2 O 3作为主要成分并且在600℃下不与氧化铝反应的无机纤维。
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8.发明公开Si-Mg-BASED INORGANIC FIBER AND COMPOSITION CONTAINING SAME 审中-公开AUF SI-MG BASIERENDE ANORGANISCHE FASER DE DIESE ENTHALTENDE ZUSAMMENSETZUNG
公开(公告)号：EP2857369A1
公开(公告)日：2015-04-08
申请号：EP12878118.4
申请日：2012-05-28
申请人： Nichias Corporation
发明人： IWATA, Koji , KITAHARA, Hideki , MOCHIDA, Takahito , YONAIYAMA, Ken , ISHIKAWA, Yoichi , MIKI, Tatsuro
IPC分类号： C03C13/06
CPC分类号： F16L59/028 , C03C3/062 , C03C3/085 , C03C3/087 , C03C13/06 , C03C2213/02
摘要： A composition for inorganic fibers having the following composition ratio and including no solvent: SiO 2 1.0 to 54.5 wt%; Al 2 O 3 less than 58.0 wt%; MgO 1.0 to 69.0 wt%; CaO 6.0 wt% or less; and the total of SiO 2 , Al 2 O 3 and MgO exceeding 94.0 wt%.
摘要翻译： 具有以下组成比的无机纤维组合物，不含溶剂：SiO 2 1.0〜54.5重量％ Al 2 O 3小于58.0重量％; MgO 1.0〜69.0重量％ CaO 6.0重量％以下; SiO 2，Al 2 O 3和MgO的总量超过94.0重量％。
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