Shadow mask frame of a cathode ray tube, its process of manufact

Details Shadow mask frame of a cathode ray tube, its process of manufact Shadow mask frame of a cathode ray tube, its process of manufact

1997-05-21

1999-04-27

Patel, Ashok

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, 313404, H01J 2907

Patent

active

058982590

ABSTRACT:
The frame (30) comprises flat sides (30a, 30b, 30c, 30d) disposed along the lateral faces of a right prismatic surface. The sides (30a, 30b, 30c, 30d) of the frame (30) comprise an outer panel (31) and an inner panel (32) which are assembled and fixed to each other and are each constituted by a portion of a thin metal strip preferably reinforced by ribs. Devices (34) for suspending the frame (30) in the glass case of the cathode ray tube may be fixed by clipping or by welding on corner portions (33) of the frame (30).

REFERENCES:
patent: 4433267 (1984-02-01), Kuryla et al.
patent: 5072150 (1991-12-01), Lee
patent: 5103132 (1992-04-01), Van Der Bolt et al.
patent: 5126624 (1992-06-01), Ji
patent: 5210459 (1993-05-01), Lee
patent: 5274302 (1993-12-01), Capek et al.
patent: 5510669 (1996-04-01), Van Buren

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