| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that ink leaks and comes out from the connection part of an ink channel. SOLUTION: The surface of the part of an S joint unit 420 in contact with an M joint unit 410 at jointing is prepared on nearly the same surface as the outer surface of the S joint unit 420. COPYRIGHT: (C)2010,JPO&INPIT |
