| 发明名称 |
HVAC FLANGE AND FLANGE MACHINE |
| 摘要 |
<p>A flange assembly (76, 78) for joining sections of round or flat oval ductwork (80, 82), a corresponding method of use, and a machine (70) for making. The flange (76, 78) is generally L-shaped in profile, and is made of a single piece of metal requiring only a single joint. The machine makes flanges from a single length of coiled steel stock (110).</p> |
| 申请公布号 |
WO0142666(A3) |
申请公布日期 |
2001.12.13 |
| 申请号 |
WO2000US42445 |
申请日期 |
2000.12.01 |
| 申请人 |
OVALFORMER LLC |
发明人 |
PRICE, MILLER, S.;FRONING, MARK, A.;MOYERS, GREGORY, C. |
| 分类号 |
B21D5/08;B21D19/04;F16L23/12;F24F13/02;(IPC1-7):B21D11/08;F16L23/00;B21D39/04 |
主分类号 |
B21D5/08 |
| 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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