发明名称 |
Molding structure for supporting preform inserts |
摘要 |
An improved molding structure for producing a building panel or the like of expanded cellular core material having reinforcing strips flush with surfaces thereof and including one or more indentations or depressions having reinforcing elements extending therein and anchored within the core.
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申请公布号 |
US4653718(A) |
申请公布日期 |
1987.03.31 |
申请号 |
US19840683394 |
申请日期 |
1984.12.19 |
申请人 |
RADVA CORPORATION |
发明人 |
DICKENS, LUTHER I. |
分类号 |
B29C33/12;B29C33/16;B29C44/12;E04F13/18;(IPC1-7):B29C33/16 |
主分类号 |
B29C33/12 |
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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