B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/26 (2006.01) B23K 5/06 (2006.01) B23K 9/025 (2006.01) B23K 11/00 (2006.01) B23K 11/06 (2006.01) B23K 11/087 (2006.01) B23K 13/02 (2006.01)
Patent
CA 2107050
ABSTRACT In the process for the continuous application of protective layers to cover a longitudinal weld seam of metal tubes, a hot-melt mass is passed continuously as a flexible hot-melt thread (28,58) through the welding arm (18) of a welding machine, deflected to the inside of the longitudinal weld seam of the metal tubes, pressed by an application device (40,54), melted and spread homogenously over the width of the longitudinal weld seam (12). Preferably at the same time as the inner coating, an outer protective layer is applied which allows the elimination of the baking or drying ovens for lacquer with their high requirements for space and energy. One particularly advantageous application of the process lies in the application of a sterilisation-resistant hot-melt strip to the inside or inside and outside of the longitudinal weld seam of a tin casing. (Fig. 3)
Balti Ag
Swabey Ogilvy Renault
LandOfFree
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