Strengthening means for a CRT multi-opening mask framing member

Details Strengthening means for a CRT multi-opening mask framing member Strengthening means for a CRT multi-opening mask framing member

1982-08-04

1984-07-24

LaRoche, Eugene R.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, H01J 2981

Patent

active

044619715

ABSTRACT:
The invention is a structural improvement in the framing member of a rectangular color CRT mask-frame assembly. The improvement, which promotes rigidity in the framing member, is in the form of a continuous perimetrical channel-like indentation extending along the major and minor related elements of the framing member. The beneficial corner mergings of the respective channel-like indentations are effected by discretely shaped "S"-like arcuate channel-like formations which are oriented substantially relative to the flow of the formed material thereat.

REFERENCES:
patent: 3737703 (1973-06-01), Tsuneta et al.
patent: 3873874 (1975-03-01), Shinal
patent: 4099086 (1978-07-01), Roder et al.
patent: 4362963 (1982-12-01), Puhak

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