| 摘要 |
PURPOSE: A glass funnel for a cathode ray tube and a cathode ray tube are provided to reduce the weight of the funnel without lowering the rigidity of a corner portion of the funnel and portions of the funnel close thereto, and avoid fracture in a conveyance process during production. CONSTITUTION: A glass funnel(4) for a cathode ray tube, comprises an open end portion(8) having long sides(11), short sides and corner portions, a neck portion for housing an electron gun therein, a yoke portion(6) for mounting a deflection coil thereto, and a body portion extending between the open end portion and the yoke portion. The long or short sides of the open end portion or the long and short sides of the open end portion have flange portions formed thereon, and the corner portions have no flange portion formed thereon.
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