Crt with implosion protection means having mounting lug...

Details Crt with implosion protection means having mounting lug... Crt with implosion protection means having mounting lug...

H - Electricity

01

J

H01J 29/87 (2006.01) H04N 5/65 (2006.01)

Patent

CA 2042789

An implosion-resistant cathode-ray tube has an evacuated envelope with a faceplate panel which includes a substantially rectangularly-shaped viewing portion that extends to a peripheral sidewall. The sidewall has corners with a given radius of curvature which extends into flattened portions. An implosion protection band extends around the sidewall. A plurality of mounting lugs having each a base portion and an upstanding attachment portion cooperate with the implosion protection band. The base portion of each of the mounting lugs is disposed between the band and the sidewall. The implosion protection band is improved over prior bands by forming a plurality of concavities in the band to accommodate the base portions of the mounting lugs. The concavities prevent lateral displacement of the mounting lugs and also maximize the contact between the implosion protection band and the sidewall of the faceplate panel.

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