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    • 8. 发明申请
    • METHOD AND APPARATUS FOR THERMOFORMING
    • 热成型方法与装置
    • WO2014000833A1
    • 2014-01-03
    • PCT/EP2013/000756
    • 2013-03-14
    • KAUTEX TEXTRON GMBH & CO. KG
    • BORCHERT, MatthiasELSASSER, CarstenESSER, KlausMEHREN, Christoph
    • B29C51/10B29C51/12B29C51/26
    • B29C49/0047B29C51/105B29C51/12B29C51/267B29C2049/0057B29C2791/006B29C2791/007B29K2995/0067B29K2995/0069B29L2022/00B29L2031/7172
    • The invention relates to a method for producing hollow bodies from thermoplastic material by using an at least three-part blow-molding tool with at least two blow-mold halves (1a, 1b), which define a mold impression, have part-cavities (5a, 5b) and can be displaced toward one another and away from one another in the sense of an opening and closing movement, and also with at least one central tool (2), which is displaceable transversely in relation to the opening and closing movement of the blow-mold halves (1a, 1b), the method comprising the extruding or providing and arranging of at least two molten performs (7) of thermoplastic material in web form between the blow-mold halves (1a, 1b) in an opened receiving position, the bringing to bear of the preforms (7) in the part-cavities (5a, 5b) of the blow-mold halves (1a, 1b) and molding of them into shells (10) using sealing elements which are provided on the central tool and are extended from the central tool for the purpose of sealing off the part-cavities before or while the part-cavities are subjected to differential pressure; the joining of at least one insert (9) in at least one shell (10) by using the central tool (2) arranged between the blow- mold halves (la, lb) and the joining of the shells (10) to form the closed hollow body by closing the blow-mold halves (la, lb) while applying clamping force and, if appropriate, the final blow molding of the hollow body.
    • 本发明涉及一种用热塑性材料制造中空体的方法,该方法通过使用至少三部分的吹塑模制工具,所述至少三部分吹塑工具具有至少两个限定模具印模的吹模半部(1a,1b),其具有部分腔 5a,5b),并且可以在打开和关闭运动的意义上彼此相对移动并且彼此远离,并且还具有至少一个中心工具(2),其可相对于打开和关闭运动横向移位 的吹塑半模(1a,1b),该方法包括在打开的吹塑半模(1a,1b)之间挤出或设置至少两个卷材形式的热塑性材料的熔融性能(7) 接收位置,在吹塑半模(1a,1b)的部分空腔(5a,5b)中承受预成型件(7)并使用密封元件将其成型为壳体(10) 中央工具,并从中心工具延伸,以密封o 在部分腔体受到差压之前或之后的部分空腔; 通过使用布置在吹塑半模(1a,1b)和壳体(10)的接合之间的中心工具(2)将至少一个插入件(9)连接在至少一个壳体(10)中,以形成 通过在施加夹紧力的同时关闭吹塑半模(1a,1b)并且如果适当的话,中空体的最终吹塑成型。