Patent ID: 7353576

Claim:
A method of forming a barbed tape concertina product, the method comprising: programming an electronic controller for automatically: forming a strand of product in a machine; coiling the strand of product in loops of a predetermined radius, wherein the strand of product forms a coil having a predetermined length comprising a plurality of adjacent loops; and attaching the adjacent loops together at predetermined positions along the strand of product; and operating the machine under electronic controller control to complete operational steps of forming, coiling, and attaching the product; the step of operating the machine to complete the operational step of attaching comprises connecting adjacent loops together at attachment points at predetermined helically progressive circumferential positions in accordance with a predetermined pattern, wherein the predetermined pattern is a first pattern, the step of programming comprises programming the electronic controller for attaching in the first pattern for a first roll of product and programming the electronic controller to vary from the first pattern for attaching in a second pattern between rolls or in a second roll of product.