发明名称 Ribbed heat exchanger pipe construction
摘要 Pipe rib is attached to the profile of the pipe. Openings in the ribs are enlarged with small toothed or dove tailed gaps. The metal cast on each side of each rib surrounds the pipe wall in the form of a mantle. The ribs are embedded in the cast metal along the pipe circumference and the gaps are filled with metal.
申请公布号 DE1930040(A1) 申请公布日期 1970.12.23
申请号 DE19691930040 申请日期 1969.06.13
申请人 SCHOELL,PROF.DR.-ING. GUENTER 发明人 GUENTER SCHOELL,PROF.DR.-ING.
分类号 F28F1/30;B21C37/22;B22D19/00;F28F1/12;F28F1/32 主分类号 F28F1/30
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