Rail mapping method and apparatus

Details Rail mapping method and apparatus Rail mapping method and apparatus

1987-12-31

1989-05-09

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

21912164, 21912179, 318572, 318573, 36416701, B23K 2604, B23K, G05B 1923

Patent

active

048285242

ABSTRACT:
This disclosure describes a method and apparatus in the manufacture of flat tension mask cathode ray tubes, for detecting the edges of a mask receiving surface in a plane, recording its coordinates and subsequently delineating the path of an attachment device for permanently affixing a tensed foil shadow mask to the mask receiving surface of a mask support structure.

REFERENCES:
patent: 4281385 (1981-07-01), Nakaso et al.
patent: 4523287 (1985-06-01), Kogawa
patent: 4636960 (1987-01-01), McMurtry
patent: 4695761 (1987-09-01), Fendley

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