发明名称 |
Process of simultaneously molding a plurality of shingles |
摘要 |
A process of simultaneously molding either a plurality of shingles or double walled shingles or other substantially planar exterior building products is provided, such that a blow moldable thermoplastic material is provided, of a composite parison that is then blow molded in a hollow mold, to produce novel shingles according to the process. Ventilation and/or insulation can be provided to a hollow interior between spaced apart walls of a double walled shingle.
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申请公布号 |
US2005126112(A1) |
申请公布日期 |
2005.06.16 |
申请号 |
US20030736916 |
申请日期 |
2003.12.16 |
申请人 |
MACKINNON THOMAS K.;KIM JOONG Y.;SNYDER RICHARD A.;KALKANOGLU HUSNU M.;JACOBS GREGORY F. |
发明人 |
MACKINNON THOMAS K.;KIM JOONG Y.;SNYDER RICHARD A.;KALKANOGLU HUSNU M.;JACOBS GREGORY F. |
分类号 |
B29C44/18;B29C49/04;E04D1/20;(IPC1-7):E04B1/00;E04D1/00 |
主分类号 |
B29C44/18 |
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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