| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a die for an extrusion molding machine which can surely prevent the occurrence of eye mucus by improving the slipping property of a contact surface with a resin composition. <P>SOLUTION: The die 1 has a die body 2, a mouthpiece 3, and a core bar 4. The die body 2 extrudes the resin composition 8 melted in a cylinder. The mouthpiece 3 is attached to the extrusion opening 10b of the die body 2. The core bar 4 is arranged in the die body 2. The mouthpiece 3 and the tip part 42 of the core bar 4 are composed of a sintered body having continuous pores which can be impregnated with a lubricant 7. <P>COPYRIGHT: (C)2010,JPO&INPIT |
