BARBED BELT Russian patent published in 1998 - IPC

FIELD: profile of spines of barbed belt used in enclosures for protection purpose. SUBSTANCE: barbed belt includes central portion and formed at its sides trapezoidal spines with main and additional pikes turned in opposite directions along axis of belt. Additional pikes are formed by cutouts in bodies of spines. Spines of different sides are arranged by staggered fashion one relative to another. Main pikes of each spine have sharpening angle lowered towards base due to fracture of pike lateral face turned to central portion. Additional pike is formed near base of spine on lateral face of one of two main pikes of each spine. Along outer edge of each spine groove is pressed. EFFECT: enhanced efficiency of protection. 3 cl, 2 dwg