发明名称 |
THICKENED REINFORCED ROOFING SHINGLE |
摘要 |
This invention relates to a rectangular roofing shingle defined as a shingle unit (I) having front (9) and rear (10) stepped edges and having an undivided headlap portion (2) and a butt portion (3) horizontally divided into at least 4 dissimilarly shaped, space-separated, snaggle-toothed tabs (4-7) which are integral with, and extend from the bott om portion of said headlap and which are recessed from the side edges of said headlap; said shingle unit, having an overall length in inches approximately equal to from about 9 to about 12 inches multiplied by the number of tabs, is secured to a reinforcement strip (22) which is positioned to underlay said tabs, and from about 0.75 to about 5 inches of said adjoining headlap and which has a length equal to the overall length of the shingle unit.
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申请公布号 |
CA2244793(C) |
申请公布日期 |
2005.06.14 |
申请号 |
CA19972244793 |
申请日期 |
1997.01.13 |
申请人 |
BUILDING MATERIALS CORPORATION OF AMERICA |
发明人 |
SIELING, FREDERICK W.;CARROLL, WILLIAM R. |
分类号 |
E04D1/26;(IPC1-7):E04D1/00;E04D1/22 |
主分类号 |
E04D1/26 |
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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