| 发明名称 |
FORM AND METHOD AND APPARATUS FOR MAKING A FORM |
| 摘要 |
A concrete form having a tubular body formed from a flexile strip wound helically in successive passes to define a wall of the form. The adjacent edges of the strip being releasably engaged with one another to inhibit axial separation of the strip.
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| 申请公布号 |
US2011174956(A1) |
申请公布日期 |
2011.07.21 |
| 申请号 |
US20100947315 |
申请日期 |
2010.11.16 |
| 申请人 |
SMOLJO DOUG |
发明人 |
SMOLJO DOUG |
| 分类号 |
E04G13/02;B31C1/00;B32B3/06 |
主分类号 |
E04G13/02 |
| 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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