Rail grinding method and apparatus

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool

Patent

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Details

51237T, 51216ND, 51217R, 51240GB, B24B 704

Patent

active

049089951

ABSTRACT:
For use in the manufacture of flat tension mask cathode ray tubes, a method for forming on a mask support structure a mask receiving surface in a plane parallel to and at a precise fixed distance from the plane of the inner surface of a glass front panel embodying the tube's viewing screen.

REFERENCES:
patent: 2543236 (1951-02-01), Dackor et al.
patent: 4695761 (1987-09-01), Fendley
patent: 4704094 (1987-11-01), Stempfle
patent: 4711438 (1987-12-01), Guarino

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