The invention relates to a sealing strip along a bending part, and a manufacturing method thereof, wherein the appearance of the sealing strip does not deteriorate. A weather strip (30) is provided with: an attachment base (21) which is attached to a flange (F) that is formed on a sliding door (1) for opening and closing an opening of an automobile and has bent sections (1a, 1b), and which has a vehicle inner side wall (21a), a vehicle outer side wall (21b), and a connecting wall (21c); a hollow part (22) which is integrally extruded with the mounting base part; a portion of the mounting base is cut off at the bent portion to form a cut-off portion (K), the cut-off portion is injection-molded with an injection molding material to form an injection-molded portion (M), and an insert (50) conforming to the shape of the bent portion is embedded in the injection-molded portion. The insert is formed with a plurality of recesses (53, 54) that come into contact with a plurality of first pins (103a) and a plurality of second pins (104a) provided in molds (103, 104) during injection molding.

    一种特别是外观不会变差的沿着弯曲部的密封条及其制造方法。密封条(30)具有:安装基部(21),其安装于在开闭汽车的开口部的滑动门(1)上形成且具有弯曲部(1a、1b)的凸缘(F)上,且具有车内侧侧壁(21a)、车外侧侧壁(21b)、连结壁(21c);中空部(22),其与安装基部一起一体的挤出成型而成;在弯曲部将安装基部的一部分切除而形成切除部(K),针对切除部利用注塑成型材料进行注塑成型而成为注塑成型部(M),将遵循着弯曲部的形状的嵌件(50)埋入设置于注塑成型部中,嵌件形成有注塑成型时与在模具(103、104)设置的多个第一销(103a)、多个第二销(104a)抵接的多个凹部(53、54)。


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    Title :

    Sealing strip and manufacturing method thereof


    Additional title:

    密封条及其制造方法


    Contributors:

    Publication date :

    2023-05-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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