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    Tank production method and tank
    2.
    发明授权
    Tank production method and tank 有权

    公开(公告)号：US11204132B2

    公开(公告)日：2021-12-21

    申请号：US16128870

    申请日：2018-09-12

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Tatsunori Shindo ,  Koichiro Hayashi ,  Takashi Inoh

    IPC分类号： B29C53/60 ,  F17C1/16 ,  B29C70/32 ,  B29C53/80 ,  B29C70/16 ,  B29C70/34 ,  F17C1/06

    摘要： A tank production method for preventing generation of non-uniform stacked portions in a sheet layer while securing the strength of the tank, the method including a winding step of winding resin-impregnated fiber sheets to form a sheet layer with a predetermined thickness. The winding step includes divided winding steps of winding divided fiber sheets obtained by dividing a fiber sheet into a plurality of divided fiber sheets having a length shorter than the length required to form the sheet layer with the predetermined thickness. The second divided winding step or each of the second and following divided winding step satisfies an Inequality: X>(σ·t·L)/(A·W), where an overlapped length of the start end of a new divided fiber sheet stacked on the terminal end of the divided fiber sheet wound in the preceding divided winding step is X, the tensile stress applied to the tank in the circumferential direction thereof is σ, the thickness and width of each divided fiber sheet are t and W, respectively, the length of a cylindrical portion of the tank is L, and the shearing strength of the resin is A.

    High-pressure tank
    3.
    发明授权
    High-pressure tank 有权

    公开(公告)号：US10982810B2

    公开(公告)日：2021-04-20

    申请号：US15825384

    申请日：2017-11-29

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Takashi Inoh ,  Hirokazu Otsubo

    IPC分类号： F17C1/02 ,  F17C1/06 ,  F17C1/16 ,  B32B1/02

    摘要： A high-pressure tank includes a liner, a release agent layer disposed on a surface of the liner, and a reinforcing layer disposed on the release agent layer. The reinforcing layer includes a resin and a fiber. The thickness of the release agent layer is equal to or smaller than the diameter of the fiber of the reinforcing layer.

    Method of producing fiber-reinforced resin-molded member, and method of connecting members
    5.
    发明授权
    Method of producing fiber-reinforced resin-molded member, and method of connecting members 有权

    公开(公告)号：US10155331B2

    公开(公告)日：2018-12-18

    申请号：US14921493

    申请日：2015-10-23

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Takashi Inoh

    IPC分类号： B29C45/56 ,  B29C45/14 ,  B29C70/46 ,  B29C65/48 ,  B29C65/50 ,  B29C65/00 ,  B29C70/02 ,  B29C43/34 ,  B29C43/36

    摘要： A method of producing a fiber-reinforced resin-molded member includes: preparing a mold including an upper mold and a lower mold forming a cavity, a cavity surface of either the upper mold or the lower mold being provided with a projecting portion; disposing a fiber-reinforcing material in the cavity, closing the molds to generate a state in which the projecting portion presses a part of the fiber-reinforcing material, and filling the cavity with a melted resin to impregnate the fiber-reinforcing material with the melted resin and cure the melted resin; and opening the molds to obtain a fiber-reinforced resin-molded member having an exposed portion and an embedded portion. The exposed portion includes at least a portion pressed by the projecting portion while the molds are closed.

    Molded urethane foam pad for vehicle seats, vehicle seat, and processes for the production thereof
    6.
    发明授权
    Molded urethane foam pad for vehicle seats, vehicle seat, and processes for the production thereof 有权
    用于车辆座椅，车辆座椅的模制聚氨酯泡沫垫及其生产方法

    公开(公告)号：US09090747B2

    公开(公告)日：2015-07-28

    申请号：US14284042

    申请日：2014-05-21

    申请人： Mitsui Chemicals, Inc. ,  Toyota Jidosha Kabushiki Kaisha ,  Toyota Boshoku Kabushiki Kaisha

    发明人： Kazuto Usaka ,  Koichi Sano ,  Hideaki Otsuka ,  Hiroyuki Utsumi ,  Takashi Inoh ,  Yoshiyuki Murata ,  Tsuguyoshi Sakai

    IPC分类号： C08J9/00 ,  C08J9/30 ,  B60N2/70 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/63 ,  C08G18/76 ,  C08G101/00

    CPC分类号： C08J9/0061 ,  B60N2/7017 ,  C08G18/4018 ,  C08G18/4072 ,  C08G18/4288 ,  C08G18/48 ,  C08G18/632 ,  C08G18/7607 ,  C08G2101/0008 ,  C08G2101/0058 ,  C08G2101/0083 ,  C08G2350/00 ,  C08J9/30 ,  C08J2201/00 ,  Y10T29/481

    摘要： An object of the invention is to provide molded urethane foam pads and vehicle seats that can contribute to the reduction of environmental load and have appropriate impact resilience and hardness and excellent durability with good balance, and also have high comfort. A molded urethane foam pad for vehicle seats including a polyurethane is obtainable by foaming and curing materials including a plant-derived polyol (A), a non-plant-derived polyol (B), water, a catalyst, a foam stabilizer and a polyisocyanate, and has a core density of 55 to 65 kg/m3 as measured in accordance with JIS K6400; the plant-derived polyol (A) is a polyol which is obtained by condensing a polyhydric alcohol of 6 hydroxyl groups with a plant-derived, C15 or higher hydroxycarboxylic acid and which has a hydroxyl value of 45 to 55 mg KOH/g; the non-plant-derived polyol (B) is a polyol having a hydroxyl value of 18 to 26 mg KOH/g, and/or a polymer-dispersed polyol in which fine particles of a polymer of a compound having an unsaturated bond are dispersed in the polyol; and the polyurethane contains a plant-derived molecular structure and the content of the plant-derived molecular structure is 15 to 20 wt % based on 100 wt % of the molded urethane foam pad.

    摘要翻译： 本发明的目的是提供模制的聚氨酯泡沫垫和车辆座椅，其可以有助于降低环境负荷，并具有适当的冲击弹性和硬度以及优异的耐久性，并且具有良好的平衡性，并且还具有高的舒适度。 通过发泡和固化包括植物衍生的多元醇（A），非植物来源的多元醇（B），水，催化剂，泡沫稳定剂和多异氰酸酯的材料，可以获得包含聚氨酯的车辆座椅的模制聚氨酯泡沫垫 ，并且根据JIS K6400测定的芯密度为55〜65kg / m 3; 植物来源的多元醇（A）是通过使6个羟基的多元醇与植物来源的C15以上的羟基羧酸缩合而得到的羟值为45〜55mgKOH / g的多元醇; 非植物来源的多元醇（B）是羟值为18〜26mgKOH / g的多元醇和/或其中分散有不饱和键的化合物的聚合物的细颗粒分散的聚合物分散的多元醇 在多元醇中; 并且聚氨酯含有植物来源的分子结构，并且植物衍生的分子结构的含量相对于模塑聚氨酯泡沫垫的100重量％为15〜20重量％。