MANUFACTURING METHOD OF FLAT HEAT TRANSFER TUBE, FLAT HEAT TRANSFER TUBE OBTAINED BY METHOD, AND GAS COOLING DEVICE INCORPORATING FLAT HEAT TRANSFER TUBE

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a flat heat transfer tube having high rigidity on a flat face, securing a wide heat transfer area, efficiently exchanging heat, and having high durability, and further to provide the flat heat transfer tube obtained by the manufacturing method, and a gas cooling device provided with the heat transfer tube.;SOLUTION: In this method of manufacturing the flat heat transfer tube by performing UO-forming to a square-shaped metallic thin plate, press molding is performed on parts where two sheets of metallic thin plates are joined to form flat faces in opposition to each other, to form a plurality of hollow ribs in advance, and then edge bending and folding by the UO-forming are performed to form the flat tube-shaped tube stoke, then an edge of the tube stock is butted over the whole length, and integrally joined. The flat heat transfer tube is obtained by the method, and further a gas cooling device provided with the heat transfer tube is provided.;COPYRIGHT: (C)2008,JPO&INPIT