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    • 5. 发明申请
    • Mold and method of molding annular tread belt
    • 模具和成型环形胎面带的方法
    • US20050073074A1
    • 2005-04-07
    • US10678997
    • 2003-10-03
    • Albert YovichinLarry SteidlDaniel Hentosz
    • Albert YovichinLarry SteidlDaniel Hentosz
    • B29C33/02B29C33/00B29C33/20B29C33/44B29D30/06B29D30/56B29D30/70B29K21/00B29L30/00B60C11/02B29C35/00
    • B29C33/005B29C33/20B29C33/44B29D30/0629B29D30/70B29D2030/523B30B11/007B60C11/02
    • A segmented annular mold for forming a tread belt having a reinforcing belt structure, the belt structure having a radial thickness (t) is disclosed. The mold has a plurality of radially movable and outwardly expandable inner segments for forming the inner surface of the tread belt and a plurality of radially movable and contracting outer segments for forming the outer tread belt surface. The radially inner and radially outer segments form a mold parting line at a location radially outward of a midpoint of the belt reinforcing structure of the tread belt at a location greater than 50% (t) as measured from the radially innermost surface of the belt reinforcing structure. The radially inner segments have upper and lower lateral edge forming portions extending outwardly to the parting line. Similarly, the radially outer mold segments have upper and lower lateral edge forming portions extending inwardly to the parting line. The parting line is located at least radially outwardly of a radially inner second belt layer of the belt reinforcing structure.
    • 公开了一种用于形成具有加强带结构的胎面带的分段环形模,该带结构具有径向厚度(t)。 模具具有多个可径向移动的和可向外扩展的内部段,用于形成胎面带的内表面和多个可径向移动和收缩的外部段,用于形成胎面外胎面表面。 径向内部和径向外部部分在径向向外位于胎面带的带束加强结构的中点处的位置处形成分模线,该位置大于50%(t),该位置从带束加强件的径向最内表面测量 结构体。 径向内部段具有向外延伸到分型线的上侧和下侧边缘形成部分。 类似地,径向外部模具段具有向内延伸到分型线的上侧和下侧边缘形成部分。 分型线位于带束加强结构的径向内部第二带束层的至少径向外侧。