发明名称 |
Method of manufacturing a foam-molded product |
摘要 |
An improved method of manufacturing a foam-molded product is provided including the steps of: filling a resin containing a foaming agent into a mold cavity by injection within a time period from a time point just before completion of mold clamping to a time point after the completion of mold clamping; allowing the resin thus filled in the mold cavity to form a skin layer over a surface thereof; thereafter retracting a movable mold to define a predetermined cavity clearance between the movable mold and a stationary mold, so as to cause the foaming agent contained in an uncured portion of the resin to foam; and cooling the resin filled in the cavity mold to form a foam-molded product having a surface forming a tight skin layer and an inside portion in a foamed state.
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申请公布号 |
US2002145214(A1) |
申请公布日期 |
2002.10.10 |
申请号 |
US20020087828 |
申请日期 |
2002.03.05 |
申请人 |
NISSEN CHEMITEC CORPORATION |
发明人 |
MURAKOSHI HIDEKAZU;TAMURA SHINGO;MATSUOKA ICHIRO |
分类号 |
B29C45/00;B29C44/04;B29C44/58;B29C45/76;B29K105/04;(IPC1-7):B29D9/00;B29C44/06 |
主分类号 |
B29C45/00 |
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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