Proximity switch for use in welding facilities
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United States of America Patent
Stats
-
Feb 26, 1991
Grant Date -
N/A
app pub date -
Nov 1, 1989
filing date -
Mar 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic proximity switch adapted to be operated in a non-contact mode for use in a welding zone of welding facility, with the switch being employed for, for example, controlling welding tongs and/or checking a position of welding electrodes. The electronic proximity switch includes a housing provided on at least a portion of a surface thereof exposed to, for example, floating welding globules with an anti-stick coating. A ceramic disk may be provided at a responsive-sensitive end face of the switch, with the ceramic disk also being provided with an anti-stick coating.
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