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    RESIN MOLDED PRODUCT
    1.
    发明公开
    RESIN MOLDED PRODUCT 审中-公开

    公开(公告)号：US20240092057A1

    公开(公告)日：2024-03-21

    申请号：US18274347

    申请日：2021-01-27

    申请人： RESONAC CORPORATION

    发明人： Hirofumi SHIOKAWA

    IPC分类号： B32B5/18 ,  B32B1/00 ,  B32B3/04 ,  B32B7/02

    CPC分类号： B32B5/18 ,  B32B1/00 ,  B32B3/04 ,  B32B7/02 ,  B29C44/083 ,  B32B2266/025 ,  B32B2307/4026 ,  B32B2307/7376 ,  B32B2605/00

    摘要： A resin molded product includes a main body including a design face and a opposite face opposite to the design face and having a first foamed layer formed inside the main body, and a protruding portion located at a periphery of the main body, having a second foamed layer formed inside the protruding portion, and protruding to a thickness direction of the main body and a side opposite to the design face, the protruding portion includes a tip end portion disposed so that a protruding tip portion on the design face extends to a protruding direction of the protruding portion more than a protruding tip portion on the opposite face, and a thickness of the tip end portion is 1.2 mm or less.

    Thermoplastic resin foamed article
    4.
    发明授权
    Thermoplastic resin foamed article 有权
    热塑性树脂发泡制品

    公开(公告)号：US07524556B2

    公开(公告)日：2009-04-28

    申请号：US10893573

    申请日：2004-07-19

    申请人： Takashi Fujimoto

    发明人： Takashi Fujimoto

    IPC分类号： B32B3/26 ,  B32B5/14

    CPC分类号： C08J9/122 ,  B29C44/0415 ,  B29C44/083 ,  C08J2203/08 ,  C08L23/10 ,  C08L23/20 ,  C08L2203/14 ,  C08L2205/02 ,  Y10T428/249961 ,  Y10T428/249976 ,  Y10T428/249977 ,  Y10T428/249981 ,  Y10T428/249987 ,  Y10T428/249988 ,  Y10T428/249989 ,  Y10T428/249991 ,  Y10T428/249992 ,  C08L2666/04

    摘要： Disclosed is a thermoplastic resin foamed article, wherein the foamed article has two opposite surfaces, wherein the foamed article has at least a skin layer which defines one of the opposite surfaces and has a porosity of 0% or more but less than 1%, a lower-expansion layer which has a porosity of not less than 1% but less than 40% and is arranged so as to be adjacent to the skin layer, and a higher-expansion layer which has a porosity of not less than 40% but less than 100% and is arranged so as to be adjacent to the lower-expansion layer, wherein the skin layer, the lower-expansion layer and the higher-expansion layer are made of the same thermoplastic resin.

    摘要翻译： 公开了一种热塑性树脂发泡制品，其中发泡制品具有两个相对的表面，其中发泡制品至少具有限定相对表面之一并具有0％以上但小于1％的孔隙率的表皮层， 低膨胀层，其孔隙率为1％以上且小于40％，并且配置成与皮层相邻;以及孔隙率为40％以上但较低的较高膨胀层 100％以下，与下部膨胀层相邻配置，其中表层，下部膨胀层和较高膨胀层由相同的热塑性树脂制成。

    Method of producing molded bodies of expanded plastic
    6.
    发明授权
    Method of producing molded bodies of expanded plastic 失效
    生产塑料成型体的方法

    公开(公告)号：US4314954A

    公开(公告)日：1982-02-09

    申请号：US72925

    申请日：1979-09-06

    申请人： Lars Ringdal

    发明人： Lars Ringdal

    IPC分类号： B29C43/00 ,  B29C44/08 ,  B29C44/12 ,  B29C45/00 ,  B29C45/14 ,  B29C45/16 ,  B63B5/24 ,  B63C9/08 ,  B29D27/00 ,  B29F1/08

    CPC分类号： B29C44/083 ,  B29C44/1266 ,  B63B5/24 ,  B63C9/08 ,  B29K2105/253 ,  B29L2031/706 ,  Y10S264/18 ,  Y10S264/64 ,  Y10S264/83

    摘要： The invention relates to a method of producing molded bodies of expanded plastic having a predetermined density, based on a starting material in granulate form to which a blowing agent and optionally a cross-linking agent have been added, said starting material being introduced into an injection molding machine/press in which it is heated and injected/pressed into a mold. In order to obtain an efficient production process without loss of raw material and a product whose density can be determined in advance, the material in the injection molding machine/press is heated to a temperature which is below the temperature required to initiate the reaction of the blowing agent/cross-linking agent, and the blank thus formed is subsequently transferred to an expansion mold having the shape of the desired final product, but larger, than the blank. The blank is caused to expand in the expansion mold and final expansion takes place outside the expansion mold. One is thus permitted to operate with a lower pressure than required previously.

    摘要翻译： 本发明涉及一种生产具有预定密度的膨胀塑料成形体的方法，该成型体基于颗粒形式的原料，向其中加入发泡剂和任选的交联剂，所述起始材料被引入注射 成型机/压机，其中其被加热并注入/压入模具中。 为了获得高效的生产工艺而不损失原材料和可以预先确定其密度的产品，将注射成型机/压机中的材料加热到低于开始反应的温度 发泡剂/交联剂，然后将如此形成的坯料转移到具有所需最终产品形状但大于坯料的膨胀模具。 在膨胀模具中引起坯料膨胀，并且在膨胀模具外部进行最终膨胀。 因此允许一个以比以前所需的更低的压力操作。

    Injection-expansion molded shotshell wad and method of forming the same
    7.
    发明授权
    Injection-expansion molded shotshell wad and method of forming the same 失效
    注射成型鞋帽及其制造方法

    公开(公告)号：US3721197A

    公开(公告)日：1973-03-20

    申请号：US3721197D

    申请日：1970-12-04

    申请人： OLIN CORP

    发明人： HUGHES J ,  DURYEA D

    IPC分类号： B29C44/08 ,  F42B7/08

    CPC分类号： F42B7/08 ,  B29C44/083

    摘要： A one-piece plastic wad structure for use with a shotshell, the wad structure having a projectile-receiving pocket, an obturating pocket, and a transverse wall integral with the pockets and separating one pocket from the other. The projectile pocket and obturating pocket have side walls of solid plastic, and at least a portion of the transverse wall is foamed plastic. The transverse wall is of substantial thickness so as to cushion the shot charge when a cartridge containing the wad is fired. The wad structure is formed by injecting a molten mixture of a resinous material and a foaming agent into a mold cavity, cooling the injected mixture so as to partially solidify the mixture in the cavity, and then reducing pressure in the cavity by enlarging its volume to permit the transverse wall portion of the injected mixture to foam in situ.

    摘要翻译： 一体式塑料瓦结构，用于轻量化，整体结构具有射弹接收口袋，充气口袋，以及与口袋一体形成的横向壁，并将一个口袋与另一个口袋分开。 射弹口袋和充气袋具有固体塑料的侧壁，并且横向壁的至少一部分是发泡塑料。 横向壁具有相当大的厚度，以便当包含焊盘的筒被点燃时缓冲喷丸。 通过将树脂材料和发泡剂的熔融混合物注射到模腔中来冷却注入的混合物以便将空腔中的混合物部分固化，然后通过将其体积扩大到 允许注射混合物的横壁部分原位发泡。

    Method for making a foam sheet having ventilation holes
    10.
    发明授权
    Method for making a foam sheet having ventilation holes 失效
    制造具有通气孔的泡沫片的方法

    公开(公告)号：US07052634B2

    公开(公告)日：2006-05-30

    申请号：US10750943

    申请日：2004-01-05

    申请人： Kun-Chung Liu

    发明人： Kun-Chung Liu

    IPC分类号： B29C44/02

    CPC分类号： B29C44/027 ,  A43B17/08 ,  B29C44/083 ,  B29C44/5654 ,  B29C44/583 ,  B29D35/122 ,  Y10S264/05

    摘要： A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as to define first and second mold cavities for the first and second molds, respectively, and providing the second mold with a plurality of pins extending into the second mold cavity, the second mold cavity being larger than the first mold cavity; (b) placing a foamable blank into the first mold cavity; (c) foaming the blank in the first mold cavity; (d) placing the blank foamed in step (c) into the second mold cavity, and piercing the blank through the use of the pins; and (e) foaming the blank to form a foam product within the second mold cavity while being pierced by the pins.

    摘要翻译： 一种制造具有通气孔的泡沫片的方法包括以下步骤：（a）制备第一和第二模具，每个模具包括可分离地彼此封闭的下模具和上模具，以便限定第一和第二模腔，用于第一和第二模具 模具，并且为第二模具提供延伸到第二模腔中的多个销，第二模腔大于第一模腔; （b）将可发泡坯料放置在第一模腔中; （c）使坯料在第一模腔中发泡; （d）将步骤（c）中发泡的坯料放置在第二模腔中，并通过使用销来刺穿坯料; 以及（e）在被所述销刺穿的同时使所述坯料发泡以在所述第二模腔内形成泡沫产品。