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    • 8. 发明授权
    • Composite styled wheel and method and apparatus for making the same
    • 复合式轮子及其制造方法和装置
    • US5842750A
    • 1998-12-01
    • US655564
    • 1996-05-30
    • Scott L. MurrayPaul N. SkotynskyRichard J. Ashman
    • Scott L. MurrayPaul N. SkotynskyRichard J. Ashman
    • B60B3/04B29C33/00B29C33/10B29C33/20B29C45/14B29C45/34B29C67/24B29C70/68B60B5/02B60B7/00
    • B29C70/682B29C33/0038B29C33/10B29C45/14B29C67/246B60B5/02B60B7/00B29C33/20B29L2031/32
    • A composite styled wheel has a rigid wheel backbone with a plastic overlay on an outboard face thereof. The wheel backbone is positioned in a lower mold to define a mold cavity therebetween, and an upper mold seals through apertures in the wheel backbone. The lower mold has a ring-shaped forming surface that selectively abuts the outboard flange edge of the wheel backbone, and a riser which selectively engages the wheel backbone, and selectively positions the outboard flange edge a spaced apart distance from the forming surface to define a venting space therebetween. A reactive urethane mixture is injected into the mold cavity to fill at least a portion of the same, and flow the mixture through the venting space to evacuate air from the mold cavity. Before the mixture is fully cured, the riser is actuated, the wheel backbone and lower mold are converged, so that the outboard flange edge abuts the forming surface to seal off the venting space, and form over at least a portion of the outboard flange edge, a smooth, skinned, mold-formed outer portion of the plastic overlay.
    • 复合风格轮具有刚性轮主干,在其外侧面上具有塑料覆盖层。 轮骨架定位在下模具中以在其间限定模腔,并且上模具通过轮主干中的孔密封。 下模具有选择性地邻接轮主干的外侧凸缘边缘的环形成形表面,以及选择性地接合轮主干的提升器,并且选择性地将外侧凸缘边缘定位成与成形表面间隔开的距离,以限定一个 两者之间的通风空间。 将反应性氨基甲酸酯混合物注入模腔以填充其中的至少一部分,并将混合物流经通气空间以从空腔排出空气。 在混合物完全固化之前,提升管被致动,轮主干和下模会聚,使得外侧凸缘边缘邻接成形表面以密封通气空间,并且在外侧凸缘边缘的至少一部分上形成 ,塑料覆盖层的光滑,表皮,模制的外部部分。