A wire has a conductor and an insulation extruded onto the conductor. The insulation has a plurality of alternating crests and crevasses, where the ratio of the distance from the conductor to a top of the crest to the distance from the conductor to a lowest point in the adjacent crevasse is at least...http://www.google.es/patents/US7560646?utm_source=gb-gplus-sharePatente US7560646 - Profiled insulation and method for making the same
Profiled insulation and method for making the same
