Process for manufacturing cathode ray tube

Details Process for manufacturing cathode ray tube Process for manufacturing cathode ray tube

1991-09-16

1992-08-04

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Including cleaning

134 18, 134 2218, 427352, B08B 700

Patent

active

051354209

ABSTRACT:
A process of manufacturing a cathode ray tube wherein trimming cleaning of an inner wall of a skirt portion of a panel is performed in a non-contacting condition to prevent splashing of water and trimming cleaning of panels of different sizes can be performed. A rotational position signal is detected in response to rotation of a panel, and while the distance between a cleaning nozzle and an inner wall of a skirt portion of the panel is kept constant in response to such rotational position signal, cleaning liquid is supplied through the cleaning nozzle to clean the inner wall of the skirt portion of the panel.

REFERENCES:
patent: 3473942 (1969-10-01), Magill et al.
patent: 3638275 (1972-02-01), Larson
patent: 4463075 (1984-07-01), Fritsch
patent: 4685975 (1987-08-01), Kottman et al.

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