Metal working – Method of mechanical manufacture – Electrical device making
Patent
1983-10-05
1985-08-13
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
2940204, 2940218, 29460, 239691, 184 151, H01C 1702
Patent
active
045341060
ABSTRACT:
A method and apparatus for replacing spent dielectric material at the high-valued resistor in an electrostatic spray gun, having an insulating tube disposed within a bore formed in the gun barrel which receives the resistor encapsulated with spent dielectric material, comprises the steps of inserting a syringe apparatus into the insulating tube, dispensing new dielectric material contained within the syringe into the insulating tube while withdrawing the syringe therefrom, and then inserting a high voltage cable into the insulating tube to force the new dielectric material ahead of the cable. The new dielectric material encapsulates the resistor and forces the spent dielectric material between the insulating tube and gun barrel bore away from the resistor.
REFERENCES:
patent: 2266702 (1941-12-01), Byers
patent: 2489992 (1949-11-01), Tucker
patent: 3731764 (1973-05-01), Workman
patent: 3884329 (1975-05-01), Steffen
patent: 4182490 (1980-01-01), Kennon
patent: 4241880 (1980-12-01), Hastings
patent: 4273293 (1981-06-01), Hastings
patent: 4335851 (1982-06-01), Hastings
Sharp William J.
Simashkevich Richard M.
Echols P. W.
Goldberg Howard N.
Nordson Corporation
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