Protective base for an electron discharge tube and method...

Details Protective base for an electron discharge tube and method... Protective base for an electron discharge tube and method...

H - Electricity

01

J

316/18, 313/35.6

H01J 29/86 (2006.01) H01J 5/58 (2006.01) H01J 9/24 (2006.01) H01J 9/34 (2006.01) H01J 29/92 (2006.01)

Patent

CA 1195373

Abstract Of The Disclosure A protective base for a color picture tube type of electron discharge tube having an evacuated envelope is formed, in situ. The envelope has an outer surface and at least one lead-in conductor which is sealed through the envelope. The protective base is attached directly to the outside surface of the envelope. The forming method includes the steps of disposing an insulative member around the lead-in conductor so that the insulative member contacts the outer surface of the envelope, and then molding an electrically insulating material about at least a portion of the insulative member, thereby compressibly retaining the insulative member in contact with the outer surface of said envelope.

441539

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