Apparatus for applying a glass frit to a seal edge of a funnel p

Details Apparatus for applying a glass frit to a seal edge of a funnel p Apparatus for applying a glass frit to a seal edge of a funnel p

1975-08-06

1977-09-20

McIntosh, John P.

Coating apparatus

With vacuum or fluid pressure chamber

118 8, 118321, B05C 502, B05C 1300

Patent

active

040489515

ABSTRACT:
Method and apparatus for applying a continuous layer of glass frit to a connection or sealing edge surface of the funnel portion of a picture tube. The glass frit flows onto such surface from a nozzle of a glass frit containing pot while the funnel portion is carried by a turntable. Means are provided for rotating the turntable at such a speed that the relative speed, between the nozzle and the connection surface positioned therebelow, is substantially inversely proportional to the width of the connection surface.

REFERENCES:
patent: 2880697 (1959-04-01), Blanding et al.
patent: 3324625 (1967-06-01), Dulmage
patent: 3339522 (1967-09-01), Shaffer et al.
patent: 3342158 (1967-09-01), Bennett et al.
patent: 3403658 (1968-10-01), Damm et al.
patent: 3492146 (1970-01-01), Kornaker
patent: 3575131 (1971-04-01), Lohmann
patent: 3777702 (1973-12-01), Fitzgerald

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