| 发明名称 |
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| 摘要 |
PURPOSE:To prolong the mold life and at the same time improve the productivity by a structure wherein a supporting unit to slidably support a cavity retainer is provided or the vertical eccentric of a guide bushing to a guide bushing is provided together with said supporting unit. CONSTITUTION:An upward preload equivalent to the weight of a cavity retainer 3 is generated by a compression coiled spring 20 interposed between the cavity retainer 3 and a support block 21 fixed to a fixed head die plate 2. In addition, the cavity retainer 3 is slidably supported through an antifriction bearing 19. Further, a sliding clearance XA is minimized by mutually placing a guide pin 16A and a guide bushing 17A in a vertically eccentric position so as to support some portion of the weight of the cavity retainer 3 with the guide pin 16A. |
| 申请公布号 |
JPH0553615(B2) |
申请公布日期 |
1993.08.10 |
| 申请号 |
JP19840136835 |
申请日期 |
1984.07.02 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
IGUCHI ASAO;HASHIGUCHI AKIO;MATSUDA SHUNSUKE;WATANABE IKUO |
| 分类号 |
B29C33/30;B29C43/04;B29C45/26;B29C45/36;B29L11/00;(IPC1-7):B29C45/36 |
主分类号 |
B29C33/30 |
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