B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/28 (2006.01) B21D 47/00 (2006.01) B23K 26/02 (2006.01) B23K 26/08 (2006.01) B32B 3/12 (2006.01) B32B 15/01 (2006.01) F01N 3/28 (2006.01)
Patent
CA 2043760
A method produces a corrugated metal sheeting including a flat metal sheet and a corrugated metal sheet joined to each other, which sheeting is used to produce a carrier or honeycomb structure for carrying catalystic agents used for purifying exhaust gases from, for example, an internal combustion engine of an automobile. In the method, the flat and corrugated metal sheets are brought together so that corrugations of the corrugated metal sheet are successively brought into contact with the flat metal sheet in such a manner that the corrugated metal sheet is freely movable to thereby release resilient stresses therefrom, and a laser beam is incident on a contact line between the flat metal sheet and each of the corrugations of the corrugated metal sheet, to thereby weld them to each other.
Hamada Naoya
Ishibashi Akira
Kido Motoi
Minamida Katsuhiro
Oikawa Masahi
Goudreau Gage Dubuc
Nippon Steel Corporation
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