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    • 7. 发明申请
    • Method of preparing a coated molded article
    • 制备涂覆成型制品的方法
    • US20060118999A1
    • 2006-06-08
    • US11005178
    • 2004-12-06
    • Christopher CooperTimothy Palmer
    • Christopher CooperTimothy Palmer
    • B28B7/22
    • B29D11/0049B29C37/0028B29C45/045B29C45/1628B29C45/1679B29C45/561B29C67/246B29C2045/563B29D11/00865
    • The present invention relates to a method of preparing a coated molded article (59) by means of in-mold coating. The method involves the use of a mold apparatus (1) that includes a rotatable core (29) having at least one molding surface (32, 35), a first die (11) and a second die (17) each having an internal surface (14, 20) and each of which are reversibly engageable with the rotatable core. The second die (17) has a reversibly slidable portion (23) having an internal surface (26) that defines substantially the internal surface (20) of the second die (17). The internal surface (14) of the first die (11) and a molding surface (32) of the rotatable core together define a first mold cavity (38) in which a molded plastic article (44) is formed. The mold apparatus is opened, the core (29) is rotated to align the molded plastic article (44) with the internal surface (20) of the second die (17). The second die (17) is engaged with the rotatable core (29), and an intermediate second mold cavity (53) is formed, into which a coating composition (56) is introduced. The reversibly slidable portion (23) of the second die (17) is moved towards the rotatable core (29), thus reducing the volume of the intermediate second mold cavity (53) and causing the coating composition (56) introduced therein to spread over the first surface (50) of the molded plastic article (44). The mold apparatus (1) is opened and a coated molded article (59) is removed from the rotatable core (29). The present invention also relates to a mold apparatus (1).
    • 本发明涉及通过模内涂布来制备涂覆的模制品(59)的方法。 该方法包括使用包括具有至少一个成型表面(32,35)的可旋转芯(29)的模具设备(1),第一模具(11)和第二模具(17),每个模具具有内表面 (14,20),并且其中的每一个与可旋转的芯可逆地接合。 第二模具(17)具有可逆滑动部分(23),其具有基本上限定第二模具(17)的内表面(20)的内表面(26)。 第一模具(11)的内表面(14)和可旋转芯体的模制表面(32)一起限定了第一模腔(38),其中形成有模制塑料制品(44)。 模具设备打开,芯(29)旋转以将模制塑料制品(44)与第二模具(17)的内表面(20)对准。 第二模具(17)与可旋转芯部(29)接合,并且形成中间第二模腔(53),涂覆组合物(56)引入到其中。 第二模具(17)的可逆滑动部分(23)朝向可旋转芯(29)移动,从而减小中间第二模腔(53)的体积并使引入其中的涂料组合物(56)扩展 模制塑料制品(44)的第一表面(50)。 打开模具装置(1),从可转动芯(29)上取下涂覆的模制品(59)。 本发明还涉及一种模具设备(1)。