发明名称 |
MOLDING METHOD AND MOLDING DEVICE UTILIZING ULTRASONIC VIBRATION AND OPTICAL LENS |
摘要 |
<p>A molding method is provided which can further improve transferability and further reduce strain and which is suitable for molding of a product with high accuracy and high quality.</p><p>The molding method in which a resin material is filled into a cavity formed in a mold and pressurized to mold a product in a predetermined shape, and the method comprises: preparing the mold having a product cavity to mold the product made of a resin, a dummy cavity to mold a dummy product, and a runner by which the product cavity and the dummy cavity are connected; filling the resin material into the product cavity and supplying the resin material to at least part of the dummy cavity; and applying ultrasonic vibration to the resin material in the dummy cavity at predetermined timing.
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申请公布号 |
EP1621315(A8) |
申请公布日期 |
2006.04.26 |
申请号 |
EP20040728948 |
申请日期 |
2004.04.22 |
申请人 |
HOYA CORPORATION;IDEMITSU KOSAN CO., LTD. |
发明人 |
SAITO, KIYOHIRO;INOUE, KAZUO;SATO, ATSUSHI;MINOOKA, HIROYOSHI |
分类号 |
B29C45/26;B29C45/17;B29C45/46;B29C45/56;B29C45/57;B29L11/00;(IPC1-7):B29C45/17 |
主分类号 |
B29C45/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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