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公开(公告)号：US11034809B2
公开(公告)日：2021-06-15
申请号：US15553804
申请日：2016-02-24
发明人： Tomohiro Takehara , Satoshi Seike , Masato Honma , Naokichi Imai , Satomi Hiasa
IPC分类号： C08J5/24 , C08J5/04 , B29C70/18 , B29C70/54 , B29C70/46 , B29C70/40 , B29K63/00 , B29K307/04
摘要： A resin supply material used for press molding or vacuum-pressure molding of a fiber-reinforced resin, the resin supply material including a continuous porous material and a thermosetting resin, wherein an average pore cross-sectional area ratio P expressed by formula (I) is 1.1 or more: P=AII/AI (I) AI: average pore cross-sectional area in region I AII: average pore cross-sectional area in region II Region I: region occupying 10% of total volume of continuous porous material from surface layer on both surfaces thereof Region II: whole region of continuous porous material.
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公开(公告)号：US20180066118A1
公开(公告)日：2018-03-08
申请号：US15553788
申请日：2016-02-24
摘要： A resin supply material is used for molding a fiber-reinforced resin and includes a continuous porous material and a resin. The continuous porous material has a bending resistance Grt of 10 mN·cm or more at 23° C., and a bending resistance ratio Gr of 0.7 or less, the bending resistance ratio Gr being expressed by the formula: Gr=Gmt/Grt Gmt: bending resistance of continuous porous material at 70° C.
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3.发明申请公开(公告)号：US20180044489A1
公开(公告)日：2018-02-15
申请号：US15553602
申请日：2016-02-24
发明人： Tomohiro Takehara , Satoshi Seike , Masato Honma , Satomi Hiasa
CPC分类号： C08J5/042 , B29C70/42 , B29C70/465 , B29K2063/00 , B29K2101/12 , C08J5/04
摘要： A resin supply material is used for molding a fiber-reinforced resin, includes reinforcing fibers and a resin, wherein a fiber weight content Wfi of the reinforcing fibers as expressed by formula (I) is 30% or less, and/or a fiber volume content Vfi of the reinforcing fibers as expressed by formula (II) is 20% or less Wfi=Wf1/(Wf1+Wr1)×100(%) (I) Wf1: fiber weight (g) in resin supply material, Wr1: resin weight (g) in resin supply material Vfi=Vf1/Vp1×100(%) (II) Vf1: fiber volume (mm3) in resin supply material, Vp1: volume (mm3) of resin supply material.
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4.发明授权公开(公告)号：US11377528B2
公开(公告)日：2022-07-05
申请号：US16962263
申请日：2019-01-17
发明人： Satoshi Seike , Masaru Tateyama , Mitsuki Fuse , Hiroshi Hirano , Akihiko Matsui , Kazuma Ura
摘要： A reinforcing fiber mat includes reinforcing fiber bundles having an average fiber length of 5 mm to 100 mm, wherein reinforcing fiber bundles consisting of 86 or more fibers per bundle are contained at a weight content of more than 99 wt % to 100 wt % and the reinforcing fiber bundles contain single yarns by 500 fibers/mm-width or more and 1,600 fibers/mm-width or less and have a drape level of 120 mm or more and 240 mm or less.
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公开(公告)号：US20200346441A1
公开(公告)日：2020-11-05
申请号：US16479042
申请日：2018-01-26
发明人： Satoshi Seike , Masaru Tateyama , Mitsuki Fuse
摘要： A fiber-reinforced resin forming material includes fiber-reinforced thermoplastic resin sheet components (I) and (II), wherein: component (I) includes a resin containing reinforcing fiber bundle (i) having average fiber number n1 of 5,000 pieces or less, average fiber length Lf1 of 10 mm or more and 100 mm or less, and fiber number per unit width of 2,000 pieces/mm or less; component (II) includes a resin containing reinforcing fiber bundle (ii) having average fiber number n2 of 500 pieces or more, average fiber length Lf2 of 3 mm or more and less than 10 mm, and fiber number per unit width of 2,000 pieces/mm or less; and component (I) and component (II) are laminated to expose component (I) on a surface.
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公开(公告)号：US20180244879A1
公开(公告)日：2018-08-30
申请号：US15553804
申请日：2016-02-24
发明人： Tomohiro Takehara , Satoshi Seike , Masato Honma , Naokichi Imai , Satomi Hiasa
CPC分类号： C08J5/24 , B29C70/18 , B29C70/40 , B29C70/465 , B29C70/547 , B29K2063/00 , B29K2307/04 , B29K2905/00 , C08J5/04 , C08J5/042 , C08J2323/12 , C08J2363/02 , C08J2400/20
摘要： A resin supply material used for press molding or vacuum-pressure molding of a fiber-reinforced resin, the resin supply material including a continuous porous material and a thermosetting resin, wherein an average pore cross-sectional area ratio P expressed by formula (I) is 1.1 or more: P=AII/AI (I) AI: average pore cross-sectional area in region I AII: average pore cross-sectional area in region II Region I: region occupying 10% of total volume of continuous porous material from surface layer on both surfaces thereof Region II: whole region of continuous porous material.
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公开(公告)号：US20210388165A1
公开(公告)日：2021-12-16
申请号：US17287171
申请日：2019-10-17
发明人： Mitsuki Fuse , Satoshi Seike , Akihiko Matsui , Kazuma Ura
摘要： A fiber-reinforced resin material used for molding a fiber-reinforced resin which includes a matrix resin and reinforcing fiber bundles A including chopped fiber bundles each including 100 or more single fibers, wherein the product of an average porosity within fiber bundles Pfav (−) and an average fiber bundle thickness tfav (mm) is 0 mm or more and 0.01 mm or less and a porosity of composite Pc (−) is 0.02 or more and 0.4 or less, and a method for producing the same. The fiber-reinforced resin material is a molding material excellent in terms of productivity and reduction in LCA, which can give high mechanical properties to a molded article using the molding material and further which is excellent also in flowability during molding.
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公开(公告)号：US20210039281A1
公开(公告)日：2021-02-11
申请号：US16964950
申请日：2019-01-17
发明人： Mitsuki Fuse , Masaru Tateyama , Hiroshi Hirano , Satoshi Seike , Akihiko Matsui , Kazuma Ura
摘要： A reinforcing fiber bundle base material has a reinforcing fiber bundle surface to which a sizing agent adheres, wherein a reinforcing fiber bundle has a fiber number per unit width of 600 fibers/mm or more and less than 1,600 fibers/mm while the reinforcing fiber bundle has a drape level of 120 mm or more and 240 mm or less.
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公开(公告)号：US20200347522A1
公开(公告)日：2020-11-05
申请号：US16963089
申请日：2019-01-17
发明人： Masaru Tateyama , Satoshi Seike , Mitsuki Fuse , Hiroshi Hirano , Akihiko Matsui , Kazuma Ura
摘要： A reinforcing fiber bundle is a continuous reinforcing fiber bundle having a length of at least 1 m and is characterized by the number of monofilaments per unit width being at most 1,600/mm and the average number of fibers in the bundle being at most 1,000 in a region (I), and the drape level found in a region (II) being 120-240 mm. The continuous reinforcing fiber bundle has a length of at least 1 m and is characterized by the adhesion amount of a sizing agent (I) in the region (I) being 0.5-10% by weight and the drape level found in the region (II) being 120-240 mm. The continuous reinforcing fiber bundle has superior mechanical properties, formability into complex shapes, and continuous producibility.
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公开(公告)号：US12037717B2
公开(公告)日：2024-07-16
申请号：US16963089
申请日：2019-01-17
发明人： Masaru Tateyama , Satoshi Seike , Mitsuki Fuse , Hiroshi Hirano , Akihiko Matsui , Kazuma Ura
摘要： A reinforcing fiber bundle is a continuous reinforcing fiber bundle having a length of at least 1 m and is characterized by the number of monofilaments per unit width being at most 1,600/mm and the average number of fibers in the bundle being at most 1,000 in a region (I), and the drape level found in a region (II) being 120-240 mm. The continuous reinforcing fiber bundle has a length of at least 1 m and is characterized by the adhesion amount of a sizing agent (I) in the region (I) being 0.5-10% by weight and the drape level found in the region (II) being 120-240 mm. The continuous reinforcing fiber bundle has superior mechanical properties, formability into complex shapes, and continuous producibility.
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