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    • 3. 发明申请
    • MOLD AND MANUFACTURING METHOD
    • 模具制造方法
    • US20070176318A1
    • 2007-08-02
    • US11670343
    • 2007-02-01
    • Kazuyuki Saito
    • Kazuyuki Saito
    • B29C47/12
    • B29C47/12B29C47/0028B29L2031/60B29L2031/601
    • A mold equipped with a core having a plurality of columnar distal portions branched at a downstream side in the extrusion direction and arranged on a surface and a die having an aperture surrounding the distal portions as a whole with a distance with respect to the distal portions and used in the case where a softened flexible resin is injected from one end of a resin flow path formed between the core and the die and a pipe material having a plurality of liquid flow paths which are mutually independent formed by the flexible resin is extruded from the other end of the resin flow path, wherein the aperture of the die has a shape in which each part of a plurality of circles each having the same axis as a corresponding one of the distal portions and mutually having the same inner diameter are overlapped and mutually connected, and each of a diameter of a distal portion of the core is lager than or equal to a diameter of a distal portion adjacent to the outer side in the arrangement.
    • 一种具有芯的模具,具有多个在挤出方向的下游侧分支并且布置在表面上的柱状远端部分和具有围绕所述远端部分的孔的模具,所述孔围绕所述远端部分相对于所述远端部分具有一定距离, 用于在从形成在芯和模具之间的树脂流路的一端注入软化的柔性树脂的情况下,并且从具有由柔性树脂形成的相互独立的多个液体流动路径的管材从 树脂流路的另一端,其中模具的孔径具有这样的形状,其中每个具有与相应的一个远端部分具有相同轴线并且相互具有相同内径的多个圆圈的每个部分重叠并相互 并且芯的远端部分的直径各自大于或等于在该布置中与外侧相邻的远侧部分的直径。
    • 8. 发明授权
    • Method for the continuous production of tubular bodies
    • 连续生产管状体的方法
    • US06568305B1
    • 2003-05-27
    • US09868380
    • 2001-06-18
    • Gerhard Keller
    • Gerhard Keller
    • B26D100
    • B26D3/168B26D7/2628B29C53/10B29L2023/20B29L2031/601B65D35/22Y10T83/04Y10T83/0596Y10T156/1084Y10T156/12
    • A method and a device for the continuous production of tubular bodies with an internal longitudinal separating wall for the production of tubes having two chambers which are separated from each other. An endless extruded tube having an internal longitudinal separating wall is produced and individual tubular bodies of a defined length are cut off by means of a cutting device and subjected to further processing. The tubular body is made from a film having a central, semicircular part and two angled lateral wings. The semicircular part is covered by a second film serving as separating wall. A transverse cutter having two rotating blades is used as cutting device. The rounded extruded tube having a longitudinal separating wall is fed between the two rotating blades after having been collapsed and oriented in such a way that the collapsed extruded tube has a central three-layered part which consists of the collapsed, oriented separating wall in the middle and an upper and lower flat tubular wall body section on either side, as well as two two-layered areas which adjoin the three-layered area on both sides. In this way each two-layered area consists of bent, superimposed tubular body wall sections.
    • 一种用于连续生产具有内部纵向分隔壁的管状体的方法和装置,用于生产具有彼此分离的两个室的管。 制造具有内部纵向分隔壁的无端挤出管,并且通过切割装置切割具有限定长度的各个管状体,并进行进一步处理。 管状体由具有中心半圆形部分和两个成角度侧翼的薄膜制成。 半圆形部分被用作隔离墙的第二个膜覆盖。 具有两个旋转叶片的横切机被用作切割装置。 具有纵向分隔壁的圆形挤出管在已经被塌缩并且以这样一种方式定位在两个旋转叶片之间被供给,使得塌缩的挤压管具有中心三层部分,其由在中间的折叠的取向分隔壁 以及两侧的上下平坦的管状壁体部分,以及与两侧三层区域相邻的两个两层区域。 以这种方式,每个两层区域由弯曲的叠置的管状壁部分组成。