| 发明名称 |
ROOF CURB INSTALLATION TOOL |
| 摘要 |
A roof curb installation tool has a pair of sliding hinged hooks for lifting the edge of a metal roof panel, and a pair of clamping tangs which can be secured to a vertical roof seam while a curb is being installed at a hole in the roof. |
| 申请公布号 |
CA2390732(A1) |
申请公布日期 |
2003.12.13 |
| 申请号 |
CA20022390732 |
申请日期 |
2002.06.13 |
| 申请人 |
BUTLER MANUFACTURING COMPANY, INC. |
发明人 |
GRABMEIER, RICHARD JAMES |
| 分类号 |
E04D13/03;E04D15/00;(IPC1-7):E04G23/03 |
主分类号 |
E04D13/03 |
| 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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