Removing coatings from cathode ray tubes or parts thereof

Details Removing coatings from cathode ray tubes or parts thereof Removing coatings from cathode ray tubes or parts thereof

1986-02-14

1990-12-04

Davis, Curtis R.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 3, 134 39, 134 40, B08B 312

Patent

active

049746162

ABSTRACT:
In a method of removing a coating from a cathode ray tube, for example a carbon (graphite) coating on the exterior of a glass body or funnel of the tube, the tube is at least partially immersed in a bath containing an alkaline liquor such that at least the coating is immersed in the liquor, and the liquor is subjected to ultrasonic excitation, for example by transducers disposed in the liquor in the bath.

REFERENCES:
patent: 3420758 (1969-01-01), Scheer

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