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    • 22. 发明申请
    • Extrusion Molding Die and Extrusion Molding Method for Molding a Medical Treatment Tube
    • 挤出成型模具和挤出成型法用于成型医疗管
    • US20090321983A1
    • 2009-12-31
    • US12467738
    • 2009-05-18
    • Norifumi FujiwaraAtsushi Ohigawa
    • Norifumi FujiwaraAtsushi Ohigawa
    • B29C47/12
    • A61M25/0009A61M25/0029A61M2025/004B29C48/0022B29C48/09B29C48/11B29C48/30B29C2793/0063B29L2031/60B29L2031/7542
    • An extrusion molding die, for extruding a medical treatment tube, in which is formed a flow path, and the like, between dividing wall portions, is structured from an outer shape molding die, wherein indented portions are formed, and a pin that is provided with a land portion. Additionally, a space that is formed between the outer shape molding die and the pin is structured from a rear portion side molding space portion, which forms the molding material into a cylinder that is pointed at the tip, and a tip side molding space portion, provided with a cross-sectional shape capable of forming the medical treatment tube. In addition, in the cross-sectional shape of the tip side molding space portion, the cross-sectional shape at the tip portion is the same as the cross-sectional shape of the medical treatment tube, and the cross-sectional shape of the rear side portion is shaped as the portion that shapes the flow path in the land portion, with the portions that shape the flow paths removed.
    • 在分隔壁部之间用于挤压形成流路等的医疗处理管的挤压成形模具由外形成型模具构成,其中形成有凹部,并且设置有销 与陆地部分。 此外,形成在外形成型模具和销之间的空间由后部侧成型空间部分构成,后部成型空间部分将成型材料形成为尖端的圆筒,以及尖端侧成型空间部分, 具有能够形成医疗处理管的横截面形状。 此外,在前端侧成型空间部的截面形状中,前端部的截面形状与医疗处理管的截面形状相同,后侧的截面形状 侧部形成为使陆部中的流路成形的部分,除去形成流路的部分。