B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 51/36 (2006.01) B21C 37/06 (2006.01) B21C 37/09 (2006.01) B21C 37/15 (2006.01)
Patent
CA 2084859
The invention relates to a method of manufacturing a tube, comprising the application respectively to one side of a metal strip 1 a first layer 2 of a first metal which is brazeable and to the other side of the metal strip 1 a second layer 3 of a second metal which is different from the first metal, and, after application of said layers 2,3, rolling of the strip 1 in order to form a tube having at least two walls (Fig. 2).
Bundy International Limited
Fetherstonhaugh & Co.
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