Color television picture tubes with improved implosion protectio

Details Color television picture tubes with improved implosion protectio Color television picture tubes with improved implosion protectio

1975-10-20

1977-01-18

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

220 21A, H01J 2987

Patent

active

040040925

ABSTRACT:
This disclosure depicts a novel edgebond system for implosion protecting a color television picture tube having a flangeless faceplate and a mating funnel. The edgebond system is illustrated as comprising, in its most general sense a high tensile strength metal scalloped frame which is cemented to and binds up a portion of the funnel and also the edge surface of the faceplate, i.e., the thickness dimension of the faceplate. The system assists in retaining in position the shards of a shattered faceplate and thereby provides for a relatively gradual buildup of pressure in the tube and provides for a maximum overlay of the funnel and a maximum volume of cement at the center of the sides of the funnel to provide greatest implosion protection at portions of the tube where greatest protection is needed.

REFERENCES:
patent: 3207936 (1965-09-01), Wilbanks et al.
patent: 3845530 (1974-11-01), Platt

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