Apparatus or processes for filling or compressing insulating material in tubes

Full Title

Ohmic-resistance heating > Heating elements having the shape of rods or tubes > non-flexible > heating conductor embedded in insulating material > Apparatus or processes for filling or compressing insulating material in tubes

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Subclass:

ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL