Reinforcing ring structure for a shadow mask

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield

Patent

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Details

H01J 2907, H01J 3120

Patent

active

039420647

ABSTRACT:
A multipiece reinforcing ring for a color television picture tube shadow mask. A plurality of elongated pieces are rigidly connected at their end portions to form a rectangular back ring.

REFERENCES:
patent: 3516147 (1970-06-01), Seedorff et al.
patent: 3639799 (1972-02-01), Kirchner

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