ROPE Russian patent published in 2009 - IPC D07B1/16 D07B1/12 

FIELD: mechanics.

SUBSTANCE: rope consists of a set of strands wounded on the core. The central strand of the core is represented with a cylindrical string. In addition, the core contains strands of different diametre, which are wounded at least in two layers on the central strand. The core is provided with a shell of variable curvature. The shell surface curvature radiuses coincide with a rope strand radiuses or core strand radiuses. The shell is formed by long-length material wounded on the core with pulling effort along helical curve.

EFFECT: extended lifetime of rope.

6 cl, 3 dwg