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公开(公告)号：JP5014715B2
公开(公告)日：2012-08-29
申请号：JP2006251297
申请日：2006-09-15
IPC分类号： B29C70/06 , B29C39/10 , B29C65/70 , B29K105/04 , B29K105/08 , B32B1/06 , B32B3/04 , B32B5/28
摘要： PROBLEM TO BE SOLVED: To provide a molded article made of FRP of which the quality does not vary, and which has a high bonding strength, and to provide its molding method and its molding die. SOLUTION: For this molded article 1 made of FRP, a skin of at least one layer consisting of a fiber material 3 and a resin material 4 is bonded to the external side of a core material 2. The molded article 1 made of FRP has a flange section 9 for which the end sections of the fiber material 3 covering the periphery of the core material 2 are bonded to each other by the internal surfaces 8 which are the core material side of the fiber material 3. COPYRIGHT: (C)2008,JPO&INPIT
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公开(公告)号：JP4992236B2
公开(公告)日：2012-08-08
申请号：JP2005362935
申请日：2005-12-16
申请人： 東レ株式会社
摘要： PROBLEM TO BE SOLVED: To provide a method for quantifying the parameter of shape-retaining property of fabric base material not impregnated with a resin. SOLUTION: The method for evaluating the shape-retaining property of a base material in which reinforcing fibers are arranged in two directions and which is not substantially impregnated with a resin comprises applying a shear load to the plane of the base material until wrinkles occur, releasing the shear load, obtaining a residual shear deformation angle as the shear deformation angle of shaping limit and evaluating shape-retaining property on the basis of the shear deformation angle of shaping limit. COPYRIGHT: (C)2007,JPO&INPIT
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公开(公告)号：JP4962632B2
公开(公告)日：2012-06-27
申请号：JP2011030559
申请日：2011-02-16
申请人： 東レ株式会社
摘要： PROBLEM TO BE SOLVED: To provide a multilayered substrate making shapeability compatible with handleability, and having excellent productivity of an FRP (fiber-reinforced plastic); to provide a preform using the same; and to provide a method for producing the preform. SOLUTION: There is provided the multilayered substrate in which at least two sets of biaxial stitching substrates are laminated and integrated with an engaging material. The biaxial stitching substrates are obtained by laminating a plurality of sheets in which a plurality of reinforcing fiber yarns are arranged parallel so that the reinforcing fiber yarns are oriented in two directions, to keep the resultant laminate sewn with stitching yarns A. In the multilayered substrate, the melting point Tmc of the engaging material is within the range of 80-200°C, and the melting point Tma of the stitching yarns A is within the range of (Tmc+10) to (Tmc+120)°C. COPYRIGHT: (C)2011,JPO&INPIT
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公开(公告)号：JPWO2008149615A1
公开(公告)日：2010-08-19
申请号：JP2008523059
申请日：2008-04-23
申请人： 東レ株式会社
IPC分类号： C08J5/04 , B29B15/08 , C08J5/24 , D06M15/564
CPC分类号： B29C70/305 , B29C70/14 , B29C70/22 , C03B37/16 , C03C25/24 , C08J5/042 , C08J2375/04 , Y02P40/57 , Y10T83/04 , Y10T156/1084 , Y10T428/24 , Y10T428/24058 , Y10T428/24132 , Y10T428/269 , Y10T428/298
摘要： 多数本の強化繊維が一方向に配列されたチョップド繊維束であって、各強化繊維の繊維長が5乃至100mmの範囲内であり、チョップド繊維束の強化繊維の配向方向の両端部を開始点としてチョップド繊維束の中央部に向かって、強化繊維の配向方向に強化繊維の本数が増加する遷移区間を有し、チョップド繊維束の長手方向の全域に亘って、多数本の強化繊維の総断面積の変化量が、強化繊維の配列方向に1mm当たり0.05mm2以下であるチョップド繊維束。
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公开(公告)号：JPWO2016111190A1
公开(公告)日：2017-04-27
申请号：JP2015562965
申请日：2015-12-25
申请人： 東レ株式会社
IPC分类号： C08J5/24
CPC分类号： C08J5/24 , B29C70/025 , B32B27/14 , B32B27/18 , B32B2262/106 , C08J5/042 , C08J2363/00 , C08J2377/02 , C08J2463/00 , C08L63/00
摘要： 一方向に配列した炭素繊維に熱硬化性樹脂(1)が含浸された繊維層の少なくとも片面に、熱硬化性樹脂(2)および該熱硬化性樹脂(2)に不溶な熱可塑性樹脂を含む樹脂層が配置されたプリプレグであって、該プリプレグの繊維質量が120〜300g/m2、樹脂含有率が25〜50質量%であり、かつ、プリプレグを積層し、引抜速度0.2mm/min、垂直応力0.8barの条件下において、40〜100℃の温度範囲で10℃刻みに層間摩擦係数を測定した場合に、層間摩擦係数が0.02以下となる温度が、40〜100℃の温度範囲内に存在するプリプレグ。航空機構造部材に適した、繊維強化プラスチックとした際に高衝撃強度を発現するプリプレグであって、プリプレグ積層体を三次元形状に追従させる際、賦形性に優れるプリプレグを提供する。
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公开(公告)号：JP4742840B2
公开(公告)日：2011-08-10
申请号：JP2005357251
申请日：2005-12-12
申请人： 東レ株式会社
IPC分类号： B32B5/26 , B29C43/18 , B29C70/10 , B29K105/08 , D04H1/542
摘要： PROBLEM TO BE SOLVED: To provide a multilayered base material having both shaping properties and handleability compatibly with each other and superior in the productivity of FRP, a preform using it and a preform manufacturing method. SOLUTION: The multilayered base material is manufactured by laminating at least two sets of biaxial stitch base materials to integrate them by a locking material. Each of the biaxial stitch base materials is obtained by laminating a plurality of sheets, each of which is constituted by arranging a large number of reinforcing fiber yarns in parallel to each other, so as to orient the reinforcing fiber yarns in two directions and sewing them by stitch yarns A. In this multilayered base material, the melting point Tmc of the locking material is 80-200°C and the melting point Tma of the stitch yarns A is (Tmc+10)-(Tmc+120)°C. COPYRIGHT: (C)2007,JPO&INPIT
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公开(公告)号：JP4728677B2
公开(公告)日：2011-07-20
申请号：JP2005099478
申请日：2005-03-30
摘要： PROBLEM TO BE SOLVED: To provide an energy absorption member for a vehicle excellent in energy absorption characteristics and capable of attempting weight reduction and miniaturization with less restriction in layout design. SOLUTION: A door guard beam 10a is provided with a load receiving member 20a to receive a load applied on an automobile from the outside, a flange member 30a constituted of a fiber reinforcing composite material and a connecting member 50 to connect the load receiving member 20a and the flange member 30a to each other, the flange members 30a are mounted on both ends of the load receiving member 20a through a connecting member 50, and, each of the flange members is connected to a door inner panel 3 of the automobile. COPYRIGHT: (C)2007,JPO&INPIT
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