Cleaning of flat glass CRT faceplate with internal anti-glare su

Details Cleaning of flat glass CRT faceplate with internal anti-glare su Cleaning of flat glass CRT faceplate with internal anti-glare su

1990-01-02

1991-04-30

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Repairing, converting or salvaging

134 7, H01J 950

Patent

active

050114433

ABSTRACT:
In recovering flat glass faceplates used in color cathode ray tubes (CRTs) where the CRT is rejected during manufacture, the faceplate is cleaned for re-use with a high pressure vapor blast incorporation small particles in a slurry form. The particles may be comprised of small plastic beads or pellets, with walnut shells reduced to particle size on the order of 40-100 mesh and pressures in the range of 20-30 p.s.i. used in a preferred embodiment.

REFERENCES:
patent: 2710286 (1955-06-01), Zachariason
patent: 4655957 (1987-04-01), Chromecek et al.
patent: 4666465 (1987-05-01), Matsumoto et al.
patent: 4839082 (1989-06-01), Bhatia
TRINCO Catalog No. 22 of Trinity Tool Company of Fraser, Michigan, apparently published Sep., 1989.

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