Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1982-08-26
1984-11-06
Prescott, A. C.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 91, 174DIG8, 29855, 26427215, 26427218, 338256, 338275, H05K 500
Patent
active
044813805
ABSTRACT:
A high voltage electrical component can be insulated by placing such component into a first sleeve of preformed insulative material dimensioned to receive and telescope over the component. An internal abutment in the first sleeve positions the component for reception of both the first sleeve and component by a second sleeve of preformed insulative material dimensioned to receive and telescope over the first sleeve and component within. An internal abutment in the second sleeve further secures and centers the component and the first sleeve for subsequent encapsulation by insulative materials used with injection molding to form an outer insulative jacket. Once encapsulated within the insulative jacket the telescoping sleeves form a convoluted path outwardly from the component to the exterior of the jacket thereby minimizing high volt leakage.
REFERENCES:
patent: 1683067 (1928-09-01), Dubilier
patent: 2713700 (1955-07-01), Fisher
patent: 3044127 (1962-07-01), Alden
patent: 3145421 (1964-08-01), Colbert
patent: 3226463 (1965-12-01), Wallace
Swaffield John D.
Wood Theodore H.
Alden Research Foundation
Grover James H.
Prescott A. C.
Tone D. A.
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