Mechanical means and process for severing a tensed foil shadow m

Details Mechanical means and process for severing a tensed foil shadow m Mechanical means and process for severing a tensed foil shadow m

1990-05-04

1991-09-03

Yost, Frank T.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

83 18, 83175, 83452, 83575, 836391, H01J 2907

Patent

active

050450093

ABSTRACT:
An apparatus and process for use in the manufacture of a tension-mask color cathode ray tube provides for mechanically severing a waste portion from the useful portion of an in-process foil mask secured to mask-support means extending from a faceplate. The apparatus comprises means for support mask-servering means adjacent ot the mask outside the mask support means, and means for translating the mask-severing means into engagement with the mask to sever the mask from the mask support means adjacent all points along the mask-support means.

REFERENCES:
patent: 119737 (1971-10-01), Bolthoff
patent: 2423601 (1947-07-01), MacArthur
patent: 3532016 (1970-10-01), Lane
patent: 3614369 (1971-10-01), Medley
patent: 3786708 (1974-01-01), Mumper
patent: 4633742 (1987-01-01), Gutowski et al.
patent: 4790786 (1988-12-01), Strauss
patent: 4828523 (1989-05-01), Fendley et al.
patent: 4891546 (1990-01-01), Dougherty et al.
patent: 4926677 (1990-05-01), Waldrer

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