ELEMENT OF ARTIFICIAL SKI-TRACK Russian patent published in 1996 - IPC

FIELD: slopes and routes for ski jumps. SUBSTANCE: it has a trough-shaped base made of plastic and detachable hemispherical heads of composite materials, and the sliding surface uses porcelain (30 to 34 pc per running meter of starting track). Use of plastic and composite materials, in the construction reduces specific consumption of materials, cost and brittleness of ski-track that is not subjected to the effect of atmospheric and weather conditions, simplifies the erection procedure and use due to employment of detachable working heads. EFFECT: decreased friction coefficients of ski material, porcelain and plastic, which allows the skier to pick up a high speed without high muscular efforts. 3 dwg