ELECTRIC SOLDERING BIT Russian patent published in 1997 - IPC

FIELD: mechanical engineering; soldering with different solders. SUBSTANCE: soldering bit has body with central through channel, pointed soldering rod and heater installed with clearance in soldering rod. Members with surfaces inclined relative to longitudinal axis of body through angle exceeding 5 degrees are placed inside channel and/or before channel inlet in zone of arrangement of soldering rod. Projections are made on outer surface of body. Distance between projections is smaller than their height. EFFECT: enlarged operating capabilities. 3 cl, 3 dwg