US PATENT SUBCLASS 219 / 82
.~.~.~ Roller moves over work
Current as of:
June, 1999
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219 /
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ELECTRIC HEATING
50
DF
METAL HEATING (E.G., RESISTANCE HEATING)
{19}
78.01
DF
.~ For bonding with pressure (e.g., resistance welding) {16}
81
DF
.~.~ Roller electrode {3}
82
.~.~.~ Roller moves over work
DEFINITION
Classification: 219/82
(under subclass 81) Subject matter in which the workpiece is stationary and the roller moves.
