BARBED WIRE Russian patent published in 2003 - IPC

FIELD: hardware production, possibly mechanical and electric signaling barriers. SUBSTANCE: barbed wire includes base made of weather-resistant steel with spines arranged uniformly on it and turned around axis of base one relative to another. Spines are made monolithically with base and they are arranged symmetrically at both sides of base. Each pair of spines is turned relative to previous pair of spines around base axis by the same angle not exceeding 90 degrees. Each spine is in the form of pyramidal arrow whose apex is turned around its own axis by angle no more than 90 degrees. EFFECT: enhanced strength, high corrosion resistance and obstructing properties. 3 dwg