METHODS AND APPARATUS FOR WELDING REINFORCING MEMBERS TO SHADOW MASKS

METHODS AND APPARATUS FOR WELDING REINFORCING MEMBERS TO SHADOW MASKS

A method and apparatus for welding reinforcing members to color television shadow masks. Eight internal supporting blocks are positioned by a rotary cam to support the inside concave surface of the mask while welding electrodes press and weld a reinforcing ring to the shadow mask from the outside.

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Bibliographische Detailangaben
Hauptverfasser: THOMAS R. ROSENBERGER, MYRON C. KIRCHNER
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:A method and apparatus for welding reinforcing members to color television shadow masks. Eight internal supporting blocks are positioned by a rotary cam to support the inside concave surface of the mask while welding electrodes press and weld a reinforcing ring to the shadow mask from the outside.