B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/22 (2006.01) B29C 65/00 (2006.01) B32B 31/26 (1990.01)
Patent
CA 2088710
1090-27 A WELDING BAND ABSTRACT The invention relates to a welding band for welding synthetic resin film comprising a steel band, which is coated in its end parts with a thin copper layer. In order to attain the aim of so improving such a welding band that its working life is substantially increased, the thin copper layer is covered with a, relatively, even thinner metallic layer, for example, of nickel.
Shapiro Cohen
Windmoeller & Hoelscher
LandOfFree
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