Implosion protection system for a cathode ray tube with a flange

Details Implosion protection system for a cathode ray tube with a flange Implosion protection system for a cathode ray tube with a flange

Filed on

1976-08-30

Date issued

1978-04-11

Examiner

Britton, Howard W.

Patent Class

Facsimile and static presentation processing

SubClass

Facsimile

SubSubClass

Recording apparatus

Other Related Categories

220 21A, H01J 2987

Type

Patent

Status

active

Patent number

040841936

Description

ABSTRACT:
This disclosure depicts a color television picture tube having a glass bulb including a flangeless faceplate and a funnel with a convex seal land which mates with a concave inner surface of the faceplate. The tube has an implosion protection system comprising a tension member which surrounds the faceplate in straight lines between the faceplate corners. The system is characterized by the tension member being under tension to produce radially inwardly directed force components on the faceplate corners and by a lack of significant physical containment of the edge surface of the faceplate along the sides thereof.

REFERENCES:
patent: 3519161 (1970-07-01), Powell
patent: 4004092 (1977-01-01), Rogers
patent: 4016364 (1977-04-01), Rogers

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