| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multiple hole pipe that has pressure resistance, is compact, and has high heat exchanger performance, and to provide a heat exchanger using the multiple hole pipe. <P>SOLUTION: In the multiple hole pipe for heat exchangers, one portion of a pipe having nearly the same wall thickness as the axis of respective holes as a center is present at the outer periphery of the respective holes 2, a number of pipes are partially integrated, and a surface 1a having a corrugated section is formed at the outer periphery. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
