发明名称 Method of manufacturing a finned-tube heat exchanger
摘要 A method for manufacturing a finned tube as a heat exchanger. A thin-walled pipe of aluminum is used to cover the tube proper and cold working is employed instead of conventional shrink fitting of the tube to a cylindrical member on which fins are arranged. The method makes it possible to reduce the size and weight of fins, makes the fitting closer and prevents the generation of oxide layers inside the cylindrical member.
申请公布号 US3868754(A) 申请公布日期 1975.03.04
申请号 US19730424722 申请日期 1973.12.14
申请人 KAWANO, HATSUO 发明人 KAWANO, HATSUO
分类号 B21C37/15;B21C37/20;F28F1/30;(IPC1-7):B21D53/02;B23P15/26 主分类号 B21C37/15
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