Polymer insulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 13, 2000
Grant Date -
N/A
app pub date -
Jun 13, 1997
filing date -
Nov 27, 1996
priority date (Note) -
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status (Latency Note)
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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.
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