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    • 5. 发明授权
    • Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded outer shell product
    • 制造电磁干扰屏蔽超塑性合金箔包层外壳产品的工艺
    • US06202276B1
    • 2001-03-20
    • US09304027
    • 1999-05-03
    • Tung-Han Chuang
    • Tung-Han Chuang
    • B23P1700
    • B32B15/08B21D26/055B29C45/1418B29C45/14221B29C45/14311B29C2045/14188B29C2045/14983B29K2705/00B29K2715/006B29K2995/0011B32B7/12B32B2037/1215B32B2331/04B32B2355/02H05K9/0084Y10T29/302Y10T29/49805Y10T29/49906
    • The present invention provides a process for manufacturing an electromagnetic interference shielding metallic foil cladded plastic outer shell product. A first side of a superplastic alloy foil is coated with an adhesive and then the foil is placed foil in a first half mold to allow the foil to be initially superplastically formed. A second half mold attached to a nozzle of an injection machine is covered onto the first half mold, and the two half molds are closed to further deform superplastic alloy foil. Softened plastic is introduced from the injection machine to a mold cavity between the foil and the second half mold, such that the superplastic alloy foil covered on the first half mold is completely formed and the softened plastic adheres on the adhesive-coated side of the superplastic alloy foil to form an electromagnetic interference shielding metallic foil cladded plastic outer shell product. Two types of products can be obtained, that is, the superplastic alloy foil can be either the outer wall or inner wall. Moreover, the final metallic plastic product can not only have as intricate a shape as an ordinary plastic product, but also a shielding effectiveness as high as an ordinary metallic shield.
    • 本发明提供一种制造电磁干扰屏蔽金属箔包覆塑料外壳产品的方法。 用粘合剂涂覆超塑性合金箔的第一面,然后将箔置于第一半模中,以允许箔最初超塑性地形成。 附着在注射机的喷嘴上的第二半模被覆盖在第一半模上,两个半模封闭以进一步使超塑性合金箔变形。 将软化的塑料从注射机引入到箔和第二半模之间的模腔中,使得覆盖在第一半模上的超塑性合金箔完全形成,并且软化的塑料粘附在超塑性的粘合剂涂层侧 合金箔形成电磁干扰屏蔽金属箔包层塑料外壳产品。 可以获得两种类型的产品,即超塑性合金箔可以是外壁或内壁。 此外,最终的金属塑料制品不仅具有与普通塑料制品相同的复杂形状,而且还具有与普通金属屏蔽一样高的屏蔽效果。
    • 7. 发明授权
    • Process and apparatus for making radially arranged aluminum foil-filled plastic pellets to shield against electromagnetic interference
    • 用于制造径向布置的铝箔填充塑料颗粒以防止电磁干扰的方法和设备
    • US06210521B1
    • 2001-04-03
    • US09018905
    • 1998-02-05
    • Tung-Han ChuangChin-Ming Chiang
    • Tung-Han ChuangChin-Ming Chiang
    • B32B3100
    • H05K9/0083B29B9/12Y10T156/1084
    • The present invention provides a novel process for making a radially arranged aluminum foil-filled plastic pellet for shielding against electromagnetic interference, comprising sandwiching a plastic matrix in between two layers of aluminum foil to form an aluminum/plastic/aluminum laminated sheet; slicing the laminated sheet into a plurality of aluminum/plastic/aluminum laminated strips; dividing the plurality of laminated strips into at least one group, each group containing 3 to 20 radially arranged strips; moisturizing and binding at least one group of laminated strips with a molten plastic matrix to form at least one radially arranged aluminum foil-filled plastic bar; and cutting at least one plastic bar into radially arranged aluminum foil-filled plastic pellets. By the present invention, the cost of making the conductive plastic pellets can be decreased, the amount of aluminum foil in the pellet can be greatly increased, and the breakage of the aluminum foil in the die can be prevented.
    • 本发明提供一种用于制造径向布置的铝箔填充塑料颗粒以防止电磁干扰的新方法,包括将塑料基质夹在两层铝箔之间以形成铝/塑料/铝层压片; 将层压片切割成多个铝/塑料/铝层压条; 将多个层叠带分成至少一组,每组包含3至20个径向排列的条带; 用熔融塑料基质保湿并粘合至少一组层压条,以形成至少一个径向布置的铝箔填充塑料棒; 并将至少一个塑料棒切割成径向布置的铝箔填充塑料颗粒。 通过本发明,能够降低导电性塑料颗粒的制造成本,能够大幅度提高粒料中的铝箔​​量,能够防止铝箔在模具中的破损。
    • 8. 发明授权
    • Process for manufacturing an electromagnetic interference shielding metallic foil cladded plastic product
    • 电磁干扰屏蔽金属箔包覆塑料制品的制造工艺
    • US06207089B1
    • 2001-03-27
    • US09139610
    • 1998-08-25
    • Tung-Han Chuang
    • Tung-Han Chuang
    • B29C4516
    • B21D26/055B29C45/1418B29C45/14311B29C45/14778B29C2045/14213B29K2705/00B29K2715/006B29K2995/0011Y10T29/49805Y10T29/49986
    • The present invention provides a process and apparatus for manufacturing an electromagnetic interference shielding metallic foil cladded plastic product. The process comprises (a) coating one side of a superplastic alloy plate with a coupling agent or a hot melt adhesive; (b) placing the coupling agent- or hot melt adhesive-coated superplastic alloy plate in a mold, and superplastically forming the superplastic alloy plate to a superplastic alloy foil with a predetermined shape, such that another side of the superplastic alloy foil is attached to the mold and the coupling agent- or hot melt adhesive-coated side of the superplastic alloy foil is spaced apart from the mold to form a mold cavity, wherein an injection machine is attached to the mold cavity, and wherein the injection machine is capable of injecting softened plastic into the mold cavity; (c) introducing softened plastic from the injection machine to the mold cavity, such that plastic adheres on the coupling agent- or hot melt adhesive-coated side of the superplastic alloy foil, and an electromagnetic interference shielding metallic foil cladded plastic product is formed; and (d) removing the plastic product from the mold. The final metallic plastic product can not only have as intricate a shape as an ordinary plastic product, but also has a shielding effectiveness as high as an ordinary metallic shield.
    • 本发明提供一种用于制造电磁干扰屏蔽金属箔包覆塑料制品的方法和装置。 该方法包括(a)用偶联剂或热熔粘合剂涂覆超塑性合金板的一侧; (b)将耦合剂或热熔粘合剂涂覆的超塑性合金板放置在模具中,并将超塑性合金板超塑性地形成为具有预定形状的超塑性合金箔,使得超塑性合金箔的另一侧附着到 超塑性合金箔的模具和耦合剂或热熔粘合剂涂覆的一侧与模具间隔开以形成模具腔,其中注射机附接到模具腔,并且其中注射机器能够 将软化塑料注入模腔; (c)将来自注塑机的软化塑料引入模腔,使得塑料粘附在超塑性合金箔的偶联剂或热熔粘合剂涂层侧上,形成电磁干扰屏蔽金属箔包覆的塑料产品; 和(d)从模具中取出塑料制品。 最终的金属塑料制品不仅具有与普通塑料制品一样复杂的形状,而且具有与普通金属屏蔽一样高的屏蔽效果。