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    • 31. 发明授权
    • Insert molded TPO chute for automotive air bag system
    • 嵌入式TPO滑槽用于汽车气囊系统
    • US08336908B1
    • 2012-12-25
    • US13204942
    • 2011-08-08
    • Raymond E. KaliszKenneth J. Kwasnik
    • Raymond E. KaliszKenneth J. Kwasnik
    • B60R21/2165
    • B60R21/205B29C45/14311B29C45/1657B29C2045/14319B29C2045/14327B29L2031/3038
    • An automotive air bag system for a vehicle includes an instrument panel substrate comprised a first moldable thermoplastic characterized by a first melting temperature. The instrument panel substrate has a substantially smooth outer surface for facing a passenger compartment of the vehicle. A chute is comprised a second moldable thermoplastic characterized by a second melting temperature lower than the first melting temperature. The chute includes an in-mold tear seam and a hinge for an air bag deployment door and a passageway for guiding an inflating air bag to the deployment door. The chute is attached to an inner surface of the instrument panel substrate by insert molding in which injection of the first moldable thermoplastic causes a partial melting of the second moldable thermoplastic.
    • 用于车辆的汽车气囊系统包括仪表板基板,其包括以第一熔化温度为特征的第一可成型热塑性塑料。 仪表板基板具有用于面向车辆的乘客舱的基本平滑的外表面。 滑槽包括第二可成型热塑性塑料,其特征在于低于第一熔融温度的第二熔化温度。 滑槽包括模内撕裂缝和用于气囊展开门的铰链和用于将充气气囊引导到展开门的通道。 滑槽通过嵌件模制附接到仪表板基板的内表面,其中第一可模制热塑性塑料的注射引起第二可模制热塑性塑料的部分熔化。