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    • 2. 发明申请
    • METHOD AND MOULD FOR THERMOFORMING AND FOLDING A PLASTIC SHEET
    • 用于热塑化和折叠塑料片的方法和模具
    • WO2010058340A3
    • 2010-07-22
    • PCT/IB2009055116
    • 2009-11-17
    • JOHNSON CONTROLS AUTOMOTIVE SLAPADULA DONATOPAGANO CLAUDIOSORRENTINO ALFONSO
    • LAPADULA DONATOPAGANO CLAUDIOSORRENTINO ALFONSO
    • B29C51/32B29C43/40B29C53/04B29C69/00
    • B29C43/40B29C53/04B29C53/34
    • A method for producing a thermo formed part comprises the steps of: closing in a mould a heated sheet (L) made of thermoplastic material in such a manner as to deform the latter, then cooling it inside the mould until complete consolidation is achieved; during cooling, cutting the sheet along at least one edge portion (E) thereof, this cutting operation causing a bending of the edge portion against an abutment surface (1s) in the mould; and removing the upper half-mould from the lower half-mould once the consolidation of the deformed sheet has been attained. During the cooling of the sheet inside the mould, subsequently to the cutting operation a folding operation is performed, this folding operation comprising the steps of: moving the abutment surface away from the edge portion of the sheet, and operating on the edge portion in such a manner as to resume its bending towards a support surface (2s) of the sheet in the mould.
    • 一种用于制造热成型部件的方法包括以下步骤:在模具中将由热塑性材料制成的加热片材(L)以使其变形的方式封闭,然后在模具内冷却直至完全固化; 在冷却期间,沿其至少一个边缘部分(E)切割片材,该切割操作导致边缘部分抵靠模具中的邻接表面(1s)弯曲; 一旦达到变形片材的固结,就从下半模上取下上半模。 在模具内的薄片冷却期间,在切割操作之后,执行折叠操作,该折叠操作包括以下步骤:将邻接表面远离片材的边缘部分移动,并且在边缘部分上操作 以恢复其向模具中的片材的支撑表面(2s)弯曲的方式。