Razor wire

摘要

Razor wire which includes a core wire, an electrically insulating sheath over the core wire and a strip, with a plurality of barbs, which is crimped, along two lines, on opposing sides of the sheath, positioned so that the sheath is not damaged during the crimping process.

主权项

1. A barrier wire which includes a core wire which is made from a first metal, an electrically insulating sheath which encapsulates the core wire, and an elongate strip which is made from a second metal which is different from the first metal, the electrically insulating sheath preventing a galvanic reaction between the elongate strip and the core wire, the elongate strip including a plurality of barb formations at spaced intervals along a length of the elongate strip and a plurality of web sections, each barb formation including a barb and a neck portion at a base of the barb, and each web section being located between a respective adjacent pair of barb formations, wherein the elongate strip has two longitudinally extending crimping lines and circumferentially encloses the core wire, between the crimping lines, by an angle and wherein each crimping line is continuous on a respective side of the core wire and passes through the neck portion of each respective barb formation, and through each web section, thereby forming a plurality of flanges with each flange being located between a respective adjacent pair of barb formations, and wherein, so that the crimping lines do not damage the insulating sheath, the angle is greater than 200°, opposing sections of the elongate strip material are folded inwardly, towards each other, at successive locations which respectively correspond with positions of the plurality of barb formations, and the plurality of flanges are not folded inwardly.