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    • 7. 发明授权
    • Die for extruder
    • 用于挤出机
    • US4504210A
    • 1985-03-12
    • US492254
    • 1983-05-06
    • Siegfried TitzMatthias LangelWaldemar WissingerJosef Kurth
    • Siegfried TitzMatthias LangelWaldemar WissingerJosef Kurth
    • B29B7/00B29C47/00B29C47/12B29C47/20B29L22/00B29F3/04
    • B29C47/12B29C47/0028B29L2031/60
    • A die, associated with an extruder and provided with an inwrought flow channel with displacement cores for shaping a plasticized synthetic resin bulk stream into a profile cross-section with hollow chambers, has a die housing that is composed of several die members with vertical and/or horizontal mold joints. The displacement cores in the flow channel are connected to the die housing by core-holding webs that separate the flow channel by distances corresponding to the thicknesses of the webs, thus subdividing the bulk stream into separate partial streams, the cross-section of the combined partial streams being equal to the cross-section of the bulk stream, and the displacement cores being enlarged by the thickness of the core-holding webs so that the partial streams, with the flow cross-sections remaining the same, are conducted along the core-holding webs.
    • 与挤出机相关联并设置有具有用于将塑化的合成树脂本体流成形为具有中空室的型材横截面的置换芯的进入流动通道的模具具有模具壳体,该模具壳体由几个具有垂直和/ 或水平模具接头。 流动通道中的位移芯通过芯保持腹板连接到模具壳体,该腹板将流动通道分隔与腹板的厚度相对应的距离,从而将本体流细分成单独的部分流,组合的横截面 部分气流等于本体流的横截面,并且位移芯由于芯保持纤维网的厚度而增大,使得流动横截面保持相同的部分流沿着芯部 固定网。