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    METHOD FOR PRODUCING A SOLE STRUCTURE FOR A SHOE
    4.
    发明公开
    METHOD FOR PRODUCING A SOLE STRUCTURE FOR A SHOE 审中-公开

    公开(公告)号：US20240198615A1

    公开(公告)日：2024-06-20

    申请号：US18533938

    申请日：2023-12-08

    申请人： Mauro Bonin ,  Hsiu Lan Tsai ,  Yun Shen Lo

    发明人： Mauro Bonin ,  Hsiu Lan Tsai ,  Yun Shen Lo

    IPC分类号： B29D35/12 ,  B29C44/34 ,  B29C44/42 ,  B29D35/00

    CPC分类号： B29D35/122 ,  B29C44/3446 ,  B29C44/424 ,  B29D35/0018 ,  B29D35/128

    摘要： A method of manufacturing a sole structure includes melting a first material in a first plasticization zone of a first injection line and melting a second material in a second plasticization zone of a second injection line. A first blowing agent is injected into the first material within a first mixing zone of the first injection line. The first blowing agent is a supercritical fluid within the first mixing zone. The first material and the second material are co-injected into a mold to form the sole structure. The first material is injected from a first injection chamber and the second material is injected from a second injection chamber. The first blowing agent nucleates within the mold to expand and foam the first material within the mold.

    Foam molding method and injection molding machine
    8.
    发明授权
    Foam molding method and injection molding machine 有权

    公开(公告)号：US11826933B2

    公开(公告)日：2023-11-28

    申请号：US18099724

    申请日：2023-01-20

    申请人： NISSEI PLASTIC INDUSTRY CO., LTD.

    发明人： Hozumi Yoda ,  Hirofumi Murata ,  Shinichi Kasuga

    IPC分类号： B29C44/42 ,  B29C44/34 ,  B29C44/60 ,  B29C45/76 ,  B29C45/77 ,  B29C45/80 ,  B29K105/04

    CPC分类号： B29C44/42 ,  B29C44/3415 ,  B29C44/60 ,  B29C45/7653 ,  B29C45/77 ,  B29C45/80 ,  B29C2945/76498 ,  B29C2945/76561 ,  B29C2945/76581 ,  B29C2945/76869 ,  B29K2105/04

    摘要： To provide a new foam molding method and injection molding machine capable of solving variation in a wall thickness and a foamed state, sensor corrosion, a complexity of sensor positioning, and the like. The above-described problem is solved by a foam molding method comprising a resin filling step of filling a mold (2), clamped by a predetermined mold clamping force (Pc), with a resin (R) at a predetermined molding injection pressure (Pi), a filling stopping step of stopping the filling of the resin (R) when, while monitoring a mold gap (Lm) of the mold (2) during the filling, a predetermined mold gap value set in advance is reached, a surface layer curing and filled resin cooling step of curing a surface layer of the resin (R) for a certain time and cooling the filled resin (R) for a certain time after the filling of the resin (R) is stopped, a volume controlling step of controlling a volume increase by reducing the mold clamping force after curing the surface layer of the resin (R) for a certain time, and a taking out step of taking out a foam-molded product by opening the mold (2) after the volume control is performed and after cooling the filled resin (R) for a certain time.

    Molding machine
    9.
    发明授权
    Molding machine 有权

    公开(公告)号：US11780128B2

    公开(公告)日：2023-10-10

    申请号：US17559263

    申请日：2021-12-22

    申请人： THE JAPAN STEEL WORKS, LTD.

    发明人： Atsushi Tsukamoto ,  Kenji Fukumoto ,  Shizuo Jinno ,  Hisanaga Tajima ,  Hiroki Hasegawa

    IPC分类号： B29C45/00 ,  B29C44/42

    CPC分类号： B29C44/424

    摘要： A molding machine includes: a tie bar connected continuously to any one of a stationary platen and a movable platen, and including an engagement groove; a first engagement member configured to engage with or move away from the engagement groove of the tie bar; a second engagement member configured to engage with or move away from the engagement groove of the tie bar, and configured to be displaceable in an axial direction of the tie bar; a force transmission member located opposite the first engagement member across the second engagement member, and including a pressure surface to press the second engagement member and a through hole in which the tie bar is inserted; and a drive mechanism configured to use the force transmission member to cause the second engagement member to be displaceable in the axial direction of the tie bar with respect to the first engagement member.