| 摘要 |
In this mould, which comprises a bottom and a peripheral band of independent and separable elements, the said peripheral band comprises two opposing elements VB1-VB2 tilting with respect to the bottom FM and two elements VC1-VC2 sliding with respect to the said bottom; the four elements have interacting mutual assembly means, the two elements VC1 and VC2 being slid by manipulating a single counter-threaded screw VDP, turning inside a nut such as EVC which is integral with the sliding element in question. <IMAGE>
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