Insulation barrier for high voltage power lines and method...

Electricity: conductors and insulators – Insulators – Special application

Reexamination Certificate

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Details

C174S139000, C174S151000, C049S058000, C052S101000, C361S604000

Reexamination Certificate

active

07541546

ABSTRACT:
The present invention relates to an insulated barrier preventing wildlife from simultaneously contacting an electrically energized and an electrically grounded surface, includes electrically insulated radially and axially extending members forming an hexagonal web having a first hexagonal rib that defines an opening offset from the geometric center of the barrier; and an insertion slot extending from an outer portion of said barrier to the offset opening for movement of said barrier onto electrical equipment utilizing and installation grip area for engagement with a gripping portion of an installation tool.

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“Animal Caused Outages”, Figures 8.1, 8.16, and 8.20, prepared by Southern Engineering Company Rural Electric Research, National Rural Electric Cooperative Association, Copyright 1996, 5 pages.
Cooper Power Systems equipment brochure No. K-SEC 183, “Hi-Line Cover-Up Equipment”, pp. 1-20, dated Mar. 1998.
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Hubbell/Chance Power Systems, Inc. catalog p. 2403, “Conductor and Insulator Covers” and p. 2408, Crossarm Cover and Conductor and Insulator Covers dated Jan. 2002.
Wall Street Journal article dated Feb. 4, 2003: “Fried Squirrel Fails to Find Favor with Public Utilities . . . as Electrocuted Critters Cause Power Outages”.
Internet pages printed Sep. 11, 2003 from www.critterguard.org: “Reliability demands the only true barrier!” (5 sheets total, 2 of which are essentially blank).
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Page 325 (undated) of 3M Cable Accessory Products catalog : “Electrostatic Animal Guard”.

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