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    Extrusion molding die, extrusion molding device and medical tube
    12.
    发明专利
    Extrusion molding die, extrusion molding device and medical tube 审中-公开
    挤出成型模具，挤压成型设备和医用管

    公开(公告)号：JP2011046047A

    公开(公告)日：2011-03-10

    申请号：JP2009195238

    申请日：2009-08-26

    Applicant: Nippon Sherwood Medical Industries Ltd ,  日本シャーウッド株式会社

    Inventor： OIGAWA ATSUSHI

    IPC: B29C47/26 ,  A61M25/00 ,  A61M27/00 ,  A61M31/00 ,  B29C47/06 ,  B29L23/00

    CPC classification number: B29C47/268 ,  B29C47/0023 ,  B29C47/0028 ,  B29C47/065 ,  B29C47/26

    Abstract: PROBLEM TO BE SOLVED: To provide an extrusion molding die which includes molding materials with properties differing at one edge part and the other edge part, and enables a rapid/smooth changing of the volume ratio of the different molding materials, when molding a medical tube having a migration part consisting of an outer layer and an inner layer, as well as an extrusion molding device and the medical tube.
    SOLUTION: The extrusion molding die 20 includes an angular body 21 with a formed outer circumferential side recessed part 21a, an outer mandrel 22 which is installed inside the outer circumferential side recessed part 21a and has an outer circumferential side flow passage A formed between the mandrel 22 and the outer circumferential side recessed part 21a, with a formed inner circumferential side recessed part 22a, an inner mandrel 23 which is installed inside the inner circumferential side recessed part 22a and has an inner circumferential side flow passage B formed between the inner mandrel 23 and the inner circumferential side recessed part 22a, and a tube shape forming part for molding the medical tube 10 by making a confluence of the outer circumferential side flow passage A and the inner circumferential side flow passage B. Further, the outer circumferential side flow passage A and the inner circumferential side flow passage B are gradually ramified successively from the upstream side to the downstream side.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种挤出成型模具，其包括具有在一个边缘部分和另一个边缘部分不同的性质的成型材料，并且能够在成型时快速/平滑地改变不同成型材料的体积比 具有由外层和内层组成的迁移部的医疗管，以及挤出成型装置和医疗管。 解决方案：挤出成型模具20包括具有形成的外周侧凹部21a的倾斜体21，安装在外周侧凹部21a内部的外心轴22，具有形成有外周侧流路A 在心轴22和外周侧凹部21a之间形成有内周侧凹部22a，内筒体23，内筒体23安装在内周侧凹部22a的内侧，内周侧流路B形成在内周侧凹部22a之间， 内心轴23和内周侧凹部22a，以及通过使外周侧流路A和内周侧流路B的汇合而成形医药用管10的管状形成部。另外，外周 侧流路A和内周侧流路B从上方依次逐渐地分支 eam侧到下游边。 版权所有（C）2011，JPO＆INPIT

    Apparatus for molding multilayer film, mold member, method for processing mold member, and method for assembling mold
    17.
    发明专利
    Apparatus for molding multilayer film, mold member, method for processing mold member, and method for assembling mold 有权
    用于模制多层膜的模具，模具构件，用于加工模具构件的方法，以及用于组装模具的方法

    公开(公告)号：JP2007175925A

    公开(公告)日：2007-07-12

    申请号：JP2005374683

    申请日：2005-12-27

    Applicant: Mitsubishi Heavy Ind Ltd ,  Shikoku Kako Kk ,  三菱重工業株式会社 ,  四国化工株式会社

    Inventor： KITAJIMA HIDETOSHI ,  YATEHATA YOSHIYUKI ,  TAKEMOTO TAKASHI ,  ANDO AKITAKA ,  IRIKO MASAYUKI ,  YOSHIHARA SHIGERU

    IPC: B29C47/26 ,  B29C55/28 ,  B29L7/00 ,  B29L9/00

    CPC classification number: B29C47/263 ,  B29C47/0026

    Abstract: PROBLEM TO BE SOLVED: To provide, for example, an apparatus for molding a multilayer film which can improve work properties during maintenance without lowering the assembly accuracy of a mold.
    SOLUTION: When a plurality of unit blocks 31 are piled up, the positioning projection 34 of an upper unit block 31 enters the positioning recess 35 of a lower unit block 31. By a step part 36, the movement in the diameter direction of the upper unit block 31 is restricted and positioned in relation to the lower unit block 31. In the mating faces of the two unit blocks 31 positioned mutually vertically, pinholes 37 and 38 are formed in the lower surface 34a of the positioning projection 34 of the upper unit block 31 and the upper surface 35a of the positioning recess 35 of the lower unit block 31. By driving knock pins 39 into the pinholes 37 and 38, the mutual movement in the peripheral direction of the upper and lower unit blocks 31 is restricted.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供例如可以在不降低模具的组装精度的情况下改善维护期间的加工性能的多层膜成型装置。 解决方案：当多个单元块31被堆叠时，上单元块31的定位突起34进入下单元块31的定位凹槽35.通过台阶部分36，直径方向的运动 上单元块31相对于下单元块31被限制和定位。在两个单元块31相互垂直定位的配合面中，针孔37和38形成在定位突起34的下表面34a中 上单元块31和下单元块31的定位凹槽35的上表面35a。通过将敲击销39驱动到针孔37和38中，上下单元块31的周向相互移动是 限制。 版权所有（C）2007，JPO＆INPIT

    Extrusion molding machine of multilayered tube made of resin
    20.
    发明专利
    Extrusion molding machine of multilayered tube made of resin 有权
    树脂多层管挤出成型机

    公开(公告)号：JP2005067137A

    公开(公告)日：2005-03-17

    申请号：JP2003303096

    申请日：2003-08-27

    Applicant: Pura Giken:Kk ,  株式会社プラ技研

    Inventor： KIKUZAWA RYOJI

    IPC: B29C47/26 ,  A61M25/00 ,  B29C47/04 ,  B29C47/06 ,  B29C47/28 ,  B29C47/58 ,  B29K101/12 ,  B29L9/00 ,  B29L23/00

    CPC classification number: B29C47/56 ,  A61M25/0009 ,  B29C47/0023 ,  B29C47/005 ,  B29C47/065 ,  B29C47/0811 ,  B29C47/26 ,  B29C47/268 ,  B29C47/28

    Abstract: PROBLEM TO BE SOLVED: To set the respective wall thicknesses of the inner and outer layers of a multilayered tube molded by an extrusion molding machine with higher precision.
    SOLUTION: This extrusion molding machine 1 is equipped with a plurality of extruders 6 and 7 and a die 11 equipped with an inner layer tube molding passage 9, which passes forward a resin 3 extruded from one extruder 6 of the extruders 6 and 7 to mold an inner layer tube 2a, and an outer layer tube molding passage 10, which passes forward the resin 4 extruded from the other extruder 7 to mold the outer layer tube 2b externally fitted to and integrated with the inner layer tube 2a, to mold the multilayered tube 2 by the inner and outer layer tubes 2a and 2b. The inner and outer extrusion ports 17 and 18 for constituting the respective front ends of the inner and outer layer tube molding passages 9 and 10 are arranged so as to approach mutually in the diametric direction thereof and individually opened forward from the front end surface 19 of the die 11.
    COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：通过挤出成型机成型的多层管的内层和外层的各自的壁厚设定为更高的精度。 解决方案：该挤出成型机1配备有多个挤出机6和7以及具有内层管成型通道9的模具11，内层管模制通道9向前挤出从挤出机6的一个挤出机6挤出的树脂3和 从而将从内挤出机7挤出的树脂4向前方挤出的外层管2a和外层管成型通道10成形为外层管2b与内层管2a外形嵌合， 通过内层和外层管2a和2b模制多层管2。 用于构成内层和外层管形成通道9和10的各个前端的内部和外部挤出口17和18被布置成在其直径方向相互接近并且从前端表面19向前 （C）2005，JPO＆NCIPI

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