Power transmission line covers and methods and assemblies using same

摘要

A power transmission line cover includes an elongate, flexible panel and first and second elongate, integral edge portions. The first edge portion includes an elongate first latch feature and the second edge portion includes an elongate second latch feature. The cover includes an elongate inner creepage extender wall forming a part of one of the first and second edge portions, and an elongate outer creepage extender wall forming a part of one of the first and second edge portions. The flexible panel is wrapped about a power line and the edge portions are joined together to form a longitudinally extending closure seam wherein the latch features are coupled and the edge portions form an electrical creepage path extending from the chamber to an exterior boundary of the cover along the inner creepage extender wall, between the first and second latch features, and along the outer creepage extender wall.

主权项

1. An electrically insulating power transmission line cover for protecting an electrical power line, the cover comprising:
an elongate, flexible panel having opposed inner and outer surfaces and laterally opposed first and second longitudinally extending side edges; an elongate first edge portion integral with the first side edge and including an elongate first latch feature; an elongate second edge portion integral with the second side edge opposite the first edge portion and including an elongate second latch feature; an elongate inner creepage extender wall forming a part of one of the first and second edge portions; an elongate outer creepage extender wall forming a part of one of the first and second edge portions; a leading barb on the male latch feature proximate a free end of the male latch feature; a trailing barb on the male latch feature proximate base end of the male latch feature; an inner latch feature on one of the inner and outer latch walls configured to releasably interlock with the leading barb: and an outer latch feature on one of the inner and outer latch walls configured to releasable interlock with the trailing barb; wherein:
the cover is configured to be placed in an installed position wherein the flexible panel is wrapped about the electrical power line and the first and second edge portions are joined together to form a longitudinally extending chamber containing the electrical power line; andwhen the first and second edge portions are joined together, they form a longitudinally extending closure seam wherein the first and second latch features are coupled and the first and second edge portions form an electrical creepage path extending from the chamber to an exterior boundary of the cover along the inner creepage extender wall, between the first and second latch features, and along the outer creepage extender wall.