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    • 7. 发明申请
    • Door weatherstrip
    • 门密封条
    • US20090100761A1
    • 2009-04-23
    • US12285023
    • 2008-09-26
    • Yoshio HashimotoSatoshi TokiHideaki MinouraMasanori Aritake
    • Yoshio HashimotoSatoshi TokiHideaki MinouraMasanori Aritake
    • E06B7/16
    • B60J10/24B60J10/16B60J10/36B60J10/80
    • A door weatherstrip includes a mounted base portion which is mounted along an outer circumference of a door frame, and a seal portion which extends in an outer circumferential direction of a door from the mounted base portion. The mounted base portion includes a base bottom portion, a vehicle-interior side wall portion and a vehicle-exterior side wall portion, and an isolating wall portion. The mounted base portion is made from an EPDM sponge rubber material into which polyethylene is mixed to have a specific gravity of 0.2 or larger and smaller than 0.45 and a low expansion stress of 200 kPa or larger. The seal portion is made from an EPDM sponge rubber material having a specific gravity of 0.45 or larger and 1.0 or smaller and a low expansion stress of 120 kPa or larger and smaller than 200 kPa. Thus, the door weatherstrip is provided in which the specific gravity of the mounted base portion is made smaller than the specific gravity of the seal portion and a material rigidity of the mounted base portion is larger than a material rigidity of the seal portion.
    • 门密封条包括沿着门框的外周安装的安装的基座部分和从安装的底座部分在门的外周方向上延伸的密封部分。 所安装的底座部分包括底部底部,车辆内侧侧壁部分和车辆外侧壁部分以及隔离壁部分。 安装的基部由EPDM海绵橡胶材料制成,聚乙烯混入其中,比重为0.2以上且小于0.45,低膨胀应力为200kPa以上。 密封部由比重为0.45以上且1.0以下,低膨胀应力为120kPa以上且小于200kPa的EPDM海绵橡胶材料制成。 因此,设置门密封条,其中使安装的基部的比重小于密封部的比重,并且安装的基部的材料刚度大于密封部的材料刚度。