Ceramic wire feed rollers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 20, 2001
Grant Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Jun 1, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Wire feed rollers made of ceramic material which virtually eliminate wire feed roller wear enabling continuous wire feed to the welding tip without discernable weld wire slippage. Adjacent ceramic wire feed rollers are used in sets where one roller includes a groove on a side surface while the second roller has no grooves. The ceramic wire feed rollers require relatively light clamping (contact) loads to effectively feed the wire to the weld tip enabling decreased wire feed roller drive torque requirements and reduced wear to drive gears and support bearings.
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