| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mold for molding a cannula capable of reducing the number of manufacturing processes and capable of molding a surface into a smooth surface to enhance quality, and a cannula molding method. <P>SOLUTION: The mold 20 for molding the cylindrical cannula 10, which has an opening part 14 formed to the side part on its tip end side and also has the liquid flow channel 10a communicating with the opening part 14 formed therein, comprises a mold main body 21 having a molding recessed part 24 formed thereto, the core part 22 to be installed in the molding recessed part 24 in a state that a molding space part is formed with respect to the surface of the molding recessed part 24, and the corner pin 23 provided to the mold main body 21 in the state extending to the part corresponding to the opening part 14 in the molding recessed part 24. An injection port 25b for injecting a molding material in the molding space part is provided to the part opposite to the part where the corner pin 23 is installed, of the mold main body 21 across the axis of the core part 22. <P>COPYRIGHT: (C)2008,JPO&INPIT |
