A superior insulator body having at least one thread is produced by vibration molding an acicular aggregate and a synthetic resin binder against an appropriate die.
High Humidity Resistant Electrical Grade Polymer Concrete
Electrical insulation grade concrete is prepared by mixing the aggregate and cement with an excess of water and thereafter vacuum deaerating and vacuum dehydrating the resulting mixture.
Method Of Producing An Improved Concrete Electrical Insulator
An improved electrical grade concrete insulator is prepared by immersing a self-supporting concrete body impregnated with an uncured polymer in a liquid curable resin bath, curing said polymer, separating said body from said resin bath whereby said body has a secondary impregnation filling the voids produced when the primary impregnation shrinks on curing. The residual resin on the outside also forms a thin sealant coating on the surface of said body.
Support Insulator For Gas-Filled High-Voltage Transmission Line
Robert M. Clark - Ligonier PA John C. Cronin - Greensburg PA David H. Reighter - Roslyn PA Vasu H. Tahiliani - Jeannette PA
Assignee:
Gould Inc. - Rolling Meadows IL
International Classification:
H01B 904
US Classification:
174 28
Abstract:
A support insulator for supporting a high-voltage conductor within the interior of a gas-filled grounded housing has a generally triangular configuration, with the central bus supported within the interior of the triangle and with the apices of the triangle engaging the inner diameter of the grounded enclosure. An inner hub extending from the legs of the triangle assists in the support of the central insulator. The combination of a gas-filled high-voltage transmission line with a plurality of support insulators extending along the length of the line is disclosed.
Bernard G. Giessner - Sicklerville NJ David H. Reighter - Roslyn PA Allen E. Stringfellow - Haddonfield NJ
Assignee:
Gould Inc. - Rolling Meadows IL
International Classification:
C08J 922
US Classification:
521 89
Abstract:
An electrical insulation foamed plastic is produced using sulfur hexafluoride adsorbed on molecular sieves as the foaming agent and a low shear mixing technique.
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