Apparatus for manufacturing cathode-ray tubes

Details Apparatus for manufacturing cathode-ray tubes Apparatus for manufacturing cathode-ray tubes

1994-04-07

1995-07-25

Rosenbaum, Mark

Electric lamp or space discharge component or device manufacturi

Apparatus

Testing or adjusting means

445 70, 445 73, H01J 940, H01J 942

Patent

active

054357675

ABSTRACT:
A plurality of successive evacuating carts for carrying respective cathode-ray tube bulbs thereon are circulatingly fed along a looped feed path into and out of an evacuating furnace. While in the evacuating furnace, the cathode-ray tube bulb carried on each of the evacuating carts is evacuated, and the evacuating pipe thereof is sealed. An evacuating pipe detecting device is disposed at a position along the feed path for detecting whether the evacuating pipe of the cathode-ray tube bulb carried on each of the evacuating units is damaged or not. If the evacuating pipe of any cathode-ray tube bulb is detected as being damaged and remains on the evacuating cart, the evacuating cart is discharged out of the feed path, and a replacement evacuating cart is charged into the feed path.

REFERENCES:
patent: 2162209 (1939-06-01), Trutner
patent: 4157206 (1979-06-01), Ikeda
patent: 5178572 (1993-01-01), Choi

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