发明名称 |
Tube with external channel |
摘要 |
A tube with an external channel of a complex geometry. The channel does not distort or collapse when the tube is bent 90 degrees with a 4-inch radius. Fabric may be inserted into and securely held in the external channel. The tube is suitable for constructing frames of fabric structures, such as dodgers and biminis for boats, tents, chairs, etc.
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申请公布号 |
US7650724(B2) |
申请公布日期 |
2010.01.26 |
申请号 |
US20050080917 |
申请日期 |
2005.03.11 |
申请人 |
HALLETT CANVAS & SAILS, INC. |
发明人 |
HALLETT RICHARD ANDREW;DOWZALL RICHARD ANTHONY |
分类号 |
E04C3/00;B63B17/02;E04H15/40 |
主分类号 |
E04C3/00 |
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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