Apparatus or processes specially adapted for the manufacture of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Related Keywords

Child Classifications

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• H01J 9/02 Manufacture of electrodes or electrode systems
• H01J 9/2 Manufacture of screens on or from which an image or pattern is formed, picked-up, converted or stored; Applying coatings to the vessel
• H01J 9/236 Manufacture of magnetic deflecting devices for cathode-ray tubes
• H01J 9/24 Manufacture or joining of vessels, leading-in conductors, or bases
• H01J 9/38 Exhausting, degassing, filling, or cleaning vessels
• H01J 9/4 Closing vessels
• H01J 9/42 Measurement or testing during manufacture
• H01J 9/44 Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
• H01J 9/46 Machines having sequentially-arranged operating stations
• H01J 9/5 Repairing or regenerating used or defective discharge tubes, lamps or their salvageable components
• H01J 9/52 Recovery of material from discharge tubes or lamps