Bulbs for cathode tubes, particularly for television tubes

Details Bulbs for cathode tubes, particularly for television tubes Bulbs for cathode tubes, particularly for television tubes

1966-02-24

1976-01-13

Rice, Martha L.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Means forming indefinite length product

425515, 425381, 425382N, 425464, B29C 2300

Patent

active

039319067

ABSTRACT:
A bulb for a cathode tube comprising a cone having a narrow end adapted to receive electronic devices therein and a wide substantially rectangular base end having a screen with a curved viewing portion secured thereto. The curved viewing screen is provided with a substantially rectangular peripheral contour complementary to the contour of the base end of the cone and the viewing portion is so curved that the sections therethrough parallel to the cone base end define curves which are substantially parallel to the cone base and contour.

REFERENCES:
patent: 2236708 (1941-04-01), Grimditch
patent: 2699014 (1955-01-01), Van Steenis
patent: 2728012 (1955-12-01), Swedlund
patent: 2782953 (1957-02-01), Koch et al.

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