Polymer insulator

Details Polymer insulator Polymer insulator

1997-06-13

2000-06-13

Reichard, Dean A.

Electricity: conductors and insulators

Insulators

With terminal elements

174180, 174195, 174198, H01B 1702

Patent

active

060752106

ABSTRACT:
Polymer Insulator which is characterized by a rode having on its outer surface an umbrella-like housing or insulator layer and having end portions which are formed so as to freely expand with at least one splitting groove; a fixture having a mounting hole in which the end portion of the rod is inserted and which has an inner surface tapering inwards against which the outer surface of said rod abuts in its expanded state; and a wedge fixed in said mounting hole, the wedge being inserted into a splitting groove formed in the end portion of the rod when the end portion of said rod is mounted into said mounting hole of said fixture, the top end of the wedge having an engaging portion which is held in the splitting groove thereby to cause the whole wedge to engage in the splitting grove. This polymer insulator can advantageously increase the fastening force between rod and fixture so that a stable fastening condition between them can be held for a long period, thereby to obtain a polymer insulator of high quality having an excellent global dimension accuracy, and these advantages can be achieved without any adhesives and in a simple assembling operation.

REFERENCES:
patent: 3672712 (1972-06-01), Davis
patent: 4281943 (1981-08-01), Viennot
patent: 4414429 (1983-11-01), Kaczerginski et al.
patent: 5448019 (1995-09-01), Berlovan, Jr.

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