发明名称 |
HIGH-CARBON METAL PIPE WITH INNER PLASTIC LINING |
摘要 |
FIELD: piping systems for transportation of aggressive liquids. SUBSTANCE: pipe is provided with protective bushings fitted on and secured on ends of pipe. Bushings are made of metal containing carbon in amount of 0.07-0.14%. Ends of bushings project beyond pipe ends through length greater than thickness of pipe wall and are connected with ends of pipe by nondetachable mechanical joint and weld. EFFECT: simplified design and reduced cost of manufacture. 4 cl, 4 dwg |
申请公布号 |
RU2148202(C1) |
申请公布日期 |
2000.04.27 |
申请号 |
RU19980109782 |
申请日期 |
1998.05.20 |
申请人 |
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "INZ |
发明人 |
AJDUGANOV V.M.;STARSHOV M.I.;AJDUGANOVA N.M. |
分类号 |
F16L9/02 |
主分类号 |
F16L9/02 |
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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