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
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