| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance the purification efficiency of an exhaust gas and also enable the low-cost production of a metal catalyst carrier provided with a core 3 which comprises the overlapped roll of a first fin 1 formed of an offset corrugated plate having a rectangular or trapizoidal waveform and a second fin 2 having a plate shape and the contact of the top part 5 and the bottom part 6 of the first fin with the second fin to bond the first fin and the second fin. <P>SOLUTION: The first fin 1 keeps wave trains of two or more reciprocally offset to one wave train W1 in a different phase. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
