| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a knife holder for an underwater cutting granulating apparatus where gaps formed between a sliding surface of a knife and a hardening projected portion can be reduced by reducing slack occurring in the knife in comparison with a cantilever support, thereby being capable of obtaining a resin pellet having a satisfactory shape. <P>SOLUTION: The knife holder includes: a knife holder body 11 that is disk-shaped and where an outer circumference end 11a is located inside the inner circumference end 52b of the projected portion 52 of a die plate 40 a knife 30; and rib portions 12 that are provided at equally gapped positions in a circumferential direction of an outer circumference end 11a of the knife holder body 11, that are projected radially outwardly from the outer circumference end 11a to extend outwardly past the inner circumference end 52b of the projected portion 52, and fixes the knife 30 whose top face is located in a front face approaching the die plate 40. <P>COPYRIGHT: (C)2012,JPO&INPIT |
