Patent ID: 6287523
Filing Date: 2001-09-11
Classification: B01D,B01J,B21D,F01N,Y10T

Abstract:
metallic catalyst carrier comprising:first and second metalic sheet parts superposed on each other and in contact with each other at respective portions thereof,each sheet part comprising:a plurality of first convex portions;a plurality of second convex portions; anda plurality of rack portions; whereinthe first convex portions are folded to protrude to one surface side of the sheet part and extended in a first direction,the second convex portions are folded to protrude to another surface side of the sheet part and extended in the first direction,the first convex portions and the second convex portions are arranged alternatively in parallel along a second direction intersecting with the first direction to form a corrugate shape,the rack portions are arranged between the first convex portions and the second convex portions, and extend along the first direction, and connect adjacent first convex portions and second convex portions,the first convex portions have third convex portions which are divided by two cuttings separated in the first direction and are folded to protrude partially to the other surface side of the sheet part, andthe second convex portions have fourth convex portions which are divided by two cuttings separated in the first direction and are folded to protrude partially to the one surface side of the sheet part,wherein the third convex portions of the first sheet part are to be brought in contact with the rack portions of the second sheet part, and fourth convex portions of the second sheet part are to brought in contact with the rack portions of the first sheet part.