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    • 1. 发明申请
    • MOULDING ELEMENT COMPRISING CUTTING MEANS FOR MOULDING AND VULCANIZING A TYRE TREAD AND METHOD OF MOULDING A TIRE TREAD USING THIS ELEMENT
    • 包括切割装置的模制元件,用于模制和扭转轮胎板以及使用该元件成型轮胎的方法
    • WO2014198651A1
    • 2014-12-18
    • PCT/EP2014/061798
    • 2014-06-06
    • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINMICHELIN RECHERCHE ET TECHNIQUE S.A.
    • KANEKO, Shuichi
    • B29D30/06
    • B29D30/0601B29D30/0606B29D30/68B29D2030/0613B29D2030/685
    • Moulding element of a mould for moulding and vulcanizing a tyre tread, this tread comprising a tread surface intended to come into contact with the ground when the said tyre is rolling, this moulding element (1) comprising a moulding surface (3) intended to mould part of the tyre tread surface and a blade (5) of length and of height H intended to mould a sipe or a groove in the tread, this blade comprising a rounded end extending along the length of the blade in a direction of extension X. The moulding element comprises two cutting means (7)able to cut a cover layer (12) already applied to a green form (10) of the tyre and positioned on either side of the blade (5) at a certain distance from this blade, and each cutting means (7) comprises a cutting edge (8) extending in the direction of extension, this cutting edge making an acute angle α in a sectional drawing perpendicular to this direction of extension X able to cut the cover layer(12), the distance D between this cutting edge and the moulding surface (3) being lower than the height H of the blade (5).
    • 用于模制和硫化轮胎胎面的模具的模制元件,该胎面包括用于当所述轮胎滚动时与地面接触的胎面表面,该模制元件(1)包括用于模制的模制表面(3) 轮胎胎面表面的一部分和长度和高度H的刀片(5),用于在胎面中模制刀槽花纹或槽,该刀片包括沿着刀片长度在延伸方向X延伸的圆形端。 模制元件包括两个切割装置(7),其能够切割已经施加到轮胎的绿色形状(10)的覆盖层(12)并且定位在与该叶片一定距离的叶片(5)的任一侧上, 并且每个切割装置(7)包括沿着延伸方向延伸的切割边缘(8),该切割边缘在垂直于能够切割覆盖层(12)的延伸X的方向的截面图中形成锐角α, 该切割边缘之间的距离D 模制表面(3)低于叶片(5)的高度H.