Cathode ray tube with heat-shrink band having high stress of yie

Details Cathode ray tube with heat-shrink band having high stress of yie Cathode ray tube with heat-shrink band having high stress of yie

1997-06-24

1999-10-12

O'Shea, Sandra

Electric lamp and discharge devices

Cathode ray tube

Envelope

313482, 348818, 348821, 348822, H01J 3100

Patent

active

059659742

ABSTRACT:
A heat-shrink band for a cathode ray tube (CRT) has a light weight, corrects the deformation of an object, such as a panel of a CRT due to the air pressure, effectively prevents implosion of the CRT, can suppress the color deviation, and in addition is excellent in formability. The method of fabricating the heat-shrink band includes a composition of cold rolled steel sheet such that the heat-shrink band offers both a high elongation characteristic at an ambient temperature and a high stress of yielding point characteristic after the heat-shrink process. The reduction of the weight of the heat-shrink band contributes to an overall reduction of the weight of the CRT.

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