Sealing apparatus for picture tube

Details Sealing apparatus for picture tube Sealing apparatus for picture tube

1987-03-04

1989-04-11

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Apparatus

Assembly means

65155, 445 71, H01J 926

Patent

active

048202282

ABSTRACT:
A picture tube sealing apparatus for thermally welding a stem structure and a neck portion of a glass bulb thereof to each other and thereby seal the same. A table, on which a plurality of burners formed correspondingly to the diameters of the neck portions of various types of glass bulbs are arranged unitarily so that the burners have a predetermined angle with respect to each other, is turned to move a burners corresponding to the diameter of an object glass bulb to a predetermined position to thereby carry out a burner-switching operation, whereby the heating power of the burner can be regulated without manual operation even when the neck portions of glass bulbs fed sequentially have a plurality of different diameters.

REFERENCES:
patent: 3594059 (1971-07-01), Holz
patent: 4392601 (1983-07-01), Fujikawa et al.

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