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公开(公告)号：US20140230375A1
公开(公告)日：2014-08-21
申请号：US14263465
申请日：2014-04-28
Inventor： Tetsuya YASUTOMI , Masayoshi TSUKAMOTO , Noboru OKADA , Shigeo KIMURA , Shigeo KIHARA , Keiichiro SUGIMOTO , Shinichi NIWA
IPC: B65B5/04
CPC classification number: B65B5/04 , B65B11/58 , B65B63/04 , B65B2220/16 , B65D75/006 , B65D75/38 , B65D85/671 , B65H49/08 , B65H55/046 , B65H57/12 , B65H2701/32
Abstract: Provided is a method for packing a cable having a static friction coefficient of 0.15 or more and 0.50 or less, a dynamic friction coefficient of 0.10 or more and 0.40 or less and a bending rigidity of 60 gf or more and 350 gf or less. The method includes the steps of: (1) winding the cable into a figure-of-eight shape to form a cylindrical cable bundle, (2) winding a wrapping film as a restraining member, which restrains the cable bundle, around an outer circumferential portion of the cable bundle, (3) winding a wrapping film as a closing member which closes openings on both ends of the cable bundle, and (4) housing the cable bundle being wound with the restraining member and the closing member in a housing container.
Abstract translation: 提供一种静电摩擦系数为0.15以上且0.50以下，动摩擦系数为0.10以上且0.40以下，弯曲刚性为60gf以上且350gf以下的电缆的包装方法。 该方法包括以下步骤：（1）将电缆卷绕成八分之一形状以形成圆柱形电缆束，（2）围绕外圆周缠绕作为限制构件的包裹膜，其限制电缆束 电缆束的一部分，（3）卷绕作为封闭构件的封闭构件，封闭构件封闭电缆束的两端的开口，以及（4）将被限制构件和闭合构件卷绕的电缆束容纳在容纳容器 。
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公开(公告)号：US20240151898A1
公开(公告)日：2024-05-09
申请号：US18410522
申请日：2024-01-11
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kohei KAWASAKI , Ryuichi SUGIZAKI , Masayoshi TSUKAMOTO , Masanori TAKAHASHI , Shigehiro TAKASAKA , Koichi MAEDA
IPC: G02B6/04 , C03C25/106 , C03C25/26 , G02B6/40
CPC classification number: G02B6/04 , C03C25/106 , C03C25/26 , G02B6/403
Abstract: An optical fiber bundle structure includes: plural optical fiber core wires; a crossing preventing member; and a grasping member. Further, the crossing preventing member has slits and the widths of the slits positioned at the respective sides are each equal to or larger than a difference between: a length of one side of a polygon circumscribing the plural optical fiber core wires at a hindmost end portion of the slits at the trailing end; and a length of one side of a polygon circumscribing the plural optical fiber core wires at the leading end.
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公开(公告)号：US20230011146A1
公开(公告)日：2023-01-12
申请号：US17932573
申请日：2022-09-15
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kengo WATANABE , Mitsuhiro IWAYA , Masayoshi TSUKAMOTO , Katsuki SUEMATSU
IPC: G02B6/38
Abstract: The present disclosure relates to an optical connector includes at least one optical fiber; and a lens element including at least one lens that couples light to an end face of the optical fiber. The distance FLh between the end face of the optical fiber and a vertex of the lens is expressed by the sum of the distance FL from the vertex of the lens to the focal point F positioned in a back face direction of the lens and the length δ between the end face of the optical fiber and the focal point F, and the length δ is longer than 10 μm.
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4.发明申请公开(公告)号：US20220003921A1
公开(公告)日：2022-01-06
申请号：US17448077
申请日：2021-09-20
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masanori TAKAHASHI , Koichi MAEDA , Shinichi ARAI , Ryuichi SUGIZAKI , Masayoshi TSUKAMOTO
IPC: G02B6/02
Abstract: A multicore fiber includes: n pieces of first core regions in a circular shape with a radius r1 that are arranged about points P11 to P1n, and that has a first core portion and a first cladding portion; a second core region in a circular shape with a radius R1 that is arranged about the point a1, and that has a second core portion and a second cladding portion; and a cladding region that is formed on an outer circumferences of the first core region and the second core region. Further, abutting surfaces that are flat surfaces abutting on each other are formed in portions on the outer circumferences of the first core region and the second core region.
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公开(公告)号：US20240231012A9
公开(公告)日：2024-07-11
申请号：US18538134
申请日：2023-12-13
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masayoshi TSUKAMOTO , Takahiro MIURA , Masahiro HANDA
CPC classification number: G02B6/3854 , C08J3/203 , C08K3/04 , C08K7/18 , C08J2381/02 , C08K2201/005
Abstract: A ferrule is formed with an optical fiber insertion hole into which an optical fiber is inserted, and includes a resin composition containing a thermoplastic resin and a filler, wherein a size of coarse particles originated from the filler is 50 μm or less, or a size of aggregates originated from the filler is 50 μm or less.
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Patent Agency Ranking
公开(公告)号：US20220003924A1
公开(公告)日：2022-01-06
申请号：US17479343
申请日：2021-09-20
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kohei KAWASAKI , Ryuichi SUGIZAKI , Masayoshi TSUKAMOTO , Masanori TAKAHASHI , Shigehiro TAKASAKA , Koichi MAEDA
IPC: G02B6/04 , G02B6/40 , C03C25/106 , C03C25/26
Abstract: An optical fiber bundle structure includes: plural optical fiber core wires; a crossing preventing member; and a grasping member. Further, the crossing preventing member has slits and the widths of the slits positioned at the respective sides are each equal to or larger than a difference between: a length of one side of a polygon circumscribing the plural optical fiber core wires at a hindmost end portion of the slits at the trailing end; and a length of one side of a polygon circumscribing the plural optical fiber core wires at the leading end.
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公开(公告)号：US20210208338A1
公开(公告)日：2021-07-08
申请号：US17207882
申请日：2021-03-22
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masanori TAKAHASHI , Mitsuhiro IWAYA , Masayoshi TSUKAMOTO
IPC: G02B6/255
Abstract: An optical connection component includes an optical fiber; a high relative refractive-index difference optical fiber that is fusion-spliced to the optical fiber and has a greater relative refractive-index difference to a cladding of a core than the optical fiber; and an accommodating member accommodating the entire length of the optical fiber and the high relative refractive-index difference optical fiber, and has a first end face on which an end face of the optical fiber on the side opposite to the fusion-spliced side is exposed to be substantially flush with the first end face, and a second end face on which an end face of the high relative refractive-index difference optical fiber on the side opposite to the fusion-spliced side is exposed to be substantially flush with the second end face. The optical fiber and the high relative refractive-index difference optical fiber are fixed to the accommodating member.
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公开(公告)号：US20250091264A1
公开(公告)日：2025-03-20
申请号：US18962558
申请日：2024-11-27
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Takahiro MIURA , Takanori YAMAZAKI , Masahiro HANDA , Masayoshi TSUKAMOTO
IPC: B29C45/00 , B29K81/00 , B29K105/18 , B29K509/08 , G02B6/38
Abstract: The present invention intends to estimate the orientation of a resin while suppressing anisotropy. The resin composition for injection molding according to the present invention including a first thermoplastic resin and a filler including a non-fibrous first inorganic particle, further including at least one of an aggregate of second inorganic particles and a resin composition of a second thermoplastic resin. A ratio of a longest first length to a shortest second length among lengths of the aggregate and the resin composition in three directions orthogonal to each other is larger than or equal to 2 and smaller than or equal to 20, and the first length is larger than or equal to 25 μm and smaller than or equal to 100 μm. The aggregate or the resin composition does not include the first inorganic particles having a particle diameter of larger than or equal to 25 μm.
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公开(公告)号：US20240142697A1
公开(公告)日：2024-05-02
申请号：US18410605
申请日：2024-01-11
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kohei KAWASAKI , Ryuichi SUGIZAKI , Masayoshi TSUKAMOTO , Masanori TAKAHASHI , Shigehiro TAKASAKA , Koichi MAEDA
IPC: G02B6/04 , C03C25/106 , C03C25/26 , G02B6/40
CPC classification number: G02B6/04 , C03C25/106 , C03C25/26 , G02B6/403
Abstract: An optical fiber bundle structure includes: plural optical fiber core wires; a crossing preventing member; and a grasping member. Further, the crossing preventing member has slits and the widths of the slits positioned at the respective sides are each equal to or larger than a difference between: a length of one side of a polygon circumscribing the plural optical fiber core wires at a hindmost end portion of the slits at the trailing end; and a length of one side of a polygon circumscribing the plural optical fiber core wires at the leading end.
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公开(公告)号：US20240134130A1
公开(公告)日：2024-04-25
申请号：US18538134
申请日：2023-12-13
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masayoshi TSUKAMOTO , Takahiro MIURA , Masahiro HANDA
CPC classification number: G02B6/3854 , C08J3/203 , C08K3/04 , C08K7/18 , C08J2381/02 , C08K2201/005
Abstract: A ferrule is formed with an optical fiber insertion hole into which an optical fiber is inserted, and includes a resin composition containing a thermoplastic resin and a filler, wherein a size of coarse particles originated from the filler is 50 μm or less, or a size of aggregates originated from the filler is 50 μm or less.
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