Improved performance welding bar

Details Improved performance welding bar Improved performance welding bar

B - Operations, Transporting

29

C

B29C 65/12 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29C 65/18 (2006.01) C22C 21/10 (2006.01)

Patent

CA 2320633

An improved performance welding bar placed in a welding machine for the welding of thermoplastic material of low and high density, suitable for both the lower welding bar (11) and the upper welding bar (12) among which bars (11, 12) the material is moved along by at least one pair of lower (14) and upper (15) supply rollers, placed on top of each other, the two welding bars (11, 12) moved backwards and forwards between themselves by a control group (20), wherein each welding bar (11, 12) is made from a magnesium-zinc aluminum alloy, within which the percentage of zinc to be found is between 5.0-6.5% and the percentage of magnesium to be found is between 2.0-3.0%. According to the invention the use of a magnesium zinc aluminum alloy is provided for, for a welding bar in a welding machine of thermoplastic material, wherein the bar is continually activated by a forward and/or backward movement with regards to a second similar welding bar.

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