发明名称 |
Hydraulically efficient ribbed pipe having openings |
摘要 |
A hydraulically efficient metal pipe particularly adapted for use in storm drain and sanitary sewer applications which is adapted for use with a self-supporting interior inert protective lining. The pipe has a channeled wall defining a plurality of outwardly projecting structural ribs and a hydraulically smooth interior surface. The ribs are preferably of a helical configuration and the channels which are formed interiorly thereof are generally either square or rectangular in cross-section and are open along the interior surface of the pipe. The walls defining the ribs can be tapered inwardly to form triangular-shaped channels so as to define an anchor throughout the length of the pipe for securing thereto a smooth interior lining of corrosion-resistant protective material.
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申请公布号 |
US5454402(A) |
申请公布日期 |
1995.10.03 |
申请号 |
US19940235684 |
申请日期 |
1994.04.29 |
申请人 |
W. E. HALL COMPANY |
发明人 |
ANDRE, JAMES R.;DANIELS, LARRY |
分类号 |
F16L57/06;F16L58/06;F16L58/10;(IPC1-7):F16L9/16 |
主分类号 |
F16L57/06 |
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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