Device and method for contacting a welding rod and contact shell
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Apr 15, 2016
filing date -
Nov 27, 2008
priority date (Note) -
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Abstract
A device and a method for contacting a welding wire in a welding torch includes at least two contact shells having a contact area for contacting the welding wire. In order to make the contact of the welding wire as constant and permanent as possible during the lifetime of a contacting device, the contact shells have a holding section and are arranged inside a sleeve to define a rotational axis, the sleeve being fastened to a nozzle pipe having an integrated pressure mechanism. The pressure mechanism is adapted to exert pressure on the contact shells. The sleeve includes a holding device for exerting a counter-force onto the contact shells. The welding wire is contacted in the contact area of the contact shells with a contact force.
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