发明名称 |
COMPOSITE SHINGLE |
摘要 |
Disclosed is a composite roofing shingle. The preferred roofing shingle includes a mixture of a polymer and a filler. The preferred blend includes between abou t 35-65% polyethylene and 50-70% crushed limestone filler. |
申请公布号 |
CA2387273(A1) |
申请公布日期 |
2002.11.25 |
申请号 |
CA20022387273 |
申请日期 |
2002.05.23 |
申请人 |
EPOCH COMPOSITE PRODUCTS, INC. |
发明人 |
JOLITZ, RANDAL J. |
分类号 |
E04D1/20;E04D1/22;E04D1/26;(IPC1-7):E04D1/22 |
主分类号 |
E04D1/20 |
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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