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    • 3. 发明授权
    • Apparatus for manufacturing a plastic hollow body with a blow-molded
body part
    • 用于制造具有吹塑本体部分的塑料中空体的装置
    • US4806091A
    • 1989-02-21
    • US154280
    • 1988-02-10
    • Gerhard LinssKarl F. Ossberger
    • Gerhard LinssKarl F. Ossberger
    • B29C49/04B29C49/02B29C49/06B29C49/08B29C49/28B29C49/42B29C49/48B29L22/00
    • B29C49/482B29C49/022B29L2031/712Y10T428/139Y10T428/1397
    • In an apparatus for manufacturing a hollow body, the hollow body comprises an injection-molded head piece, a body part formed by blow molding a preform segment which segment is integral with the head piece. The apparatus comprises a ring-shaped nozzle wherein a ring-shaped nozzle opening is defined between a nozzle cone piece and a nozzle opening piece. The apparatus further comprises a withdrawal device operative with respect to the ring-shaped nozzle, which withdrawal device is axially, reciprocally movable and has a recess. It is desired to enable production of different and/or novel configurations of the body parts of the hollow body. This is achieved by means for an additional mold device which is provided for an additional forming operation operative on the preform segment adjoining the head piece, which operation relates to the walls of the body part. The additional mold device provides an offset in the radial sense with respect to the ring-shaped nozzle opening. By providing a specific radial offset between the nozzle opening and other parts of the apparatus, one can produce special configurations of the preform segment prior to the blowing operation.
    • 在中空体的制造装置中,中空体包括注射成型的头部件,通过将预成型件段吹塑成型而形成的主体部分,所述预成型件段与头部件成一体。 该装置包括环形喷嘴,其中在喷嘴锥形件和喷嘴开口件之间限定了环形喷嘴开口。 该装置还包括一个相对于环形喷嘴操作的取出装置,该抽出装置在轴向上可往复运动并具有一个凹槽。 期望能够生产中空体的身体部分的不同和/或新颖的构造。 这通过用于附加模具装置的装置来实现,该模具装置被提供用于在邻接头部件的预成型件段上操作的附加成形操作,该操作涉及主体部分的壁。 附加模具装置相对于环形喷嘴开口提供径向偏移。 通过在喷嘴开口和设备的其它部分之间提供特定的径向偏移,可以在吹塑操作之前产生预制件段的特殊构造。