Cathode ray tube getter sealing structure

Details Cathode ray tube getter sealing structure Cathode ray tube getter sealing structure

1978-12-22

1980-09-30

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Envelope

313177, H01J 2984

Patent

active

042258057

ABSTRACT:
The invention provides discrete means for temporarily covering a substantially annular U-shaped effusive material container for use in a cathode ray tube. The annular covering member is likewise substantially U-shaped and, being of smaller dimensioning, is telescopically fitted within the container to cover the effusive material disposed therein. The inner and outer walls of the channeled cover are contiguous with the respective walls of the container to form the two concentric laminated composite walls of the assembly. The laminated components comprising each wall are joined in an interlocking manner by a substantially continuous annular deformation of the respective composite wall structure thereby effecting positive securement of the cover to the container.

REFERENCES:
patent: 2536879 (1951-01-01), Gabrielli
patent: 3979633 (1976-09-01), Davis et al.
patent: 4029987 (1977-06-01), Zucchinelli

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