Welding device for producing tubular bodies
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United States of America Patent
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Oct 31, 2017
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app pub date -
Feb 5, 2014
filing date -
Jul 25, 2013
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Abstract
The invention relates to a welding device (1) for producing tubular bodies by the edge-side welding of two substrate edges (2, 3), in particular two laminate edges, said welding device having a continuous, circulating first contact belt (5) for coming into contact with the substrate (4), and an energy source (12, 13) for providing welding energy. According to the invention, the first contact belt (5) has a seamless polyimide contact surface (35) for coming into contact with the substrate (4).
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