Implosion protection for TV tubes

Details Implosion protection for TV tubes Implosion protection for TV tubes

1979-04-13

1981-04-28

Orsino, Jr., Joseph A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

220 21A, H04N 565, H01J 6130

Patent

active

042649315

ABSTRACT:
There has been provided a television tube having funnel, panel, and neck portions fused together in a conventional manner. A controlled failure zone in the form of a circumferential implosion protection notch is formed in a rearward portion of the funnel for establishing a stress concentration location, such that, in the event of a destructive impact to the panel, the tube will crack along the notch in the controlled failure zone and reduce the implosion potential of the tube.

REFERENCES:
patent: 1127497 (1915-02-01), O'Malley
patent: 1300917 (1915-04-01), Bergen
patent: 2123957 (1938-07-01), Orth
patent: 2236708 (1941-04-01), Grimditch
patent: 2486321 (1949-10-01), O'Sullivan
patent: 2799123 (1957-07-01), Van Steenis
patent: 2907906 (1959-10-01), Swedlund
patent: 3591035 (1971-07-01), Gossie

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