FIELD: sports equipment. SUBSTANCE: ski has core with filament- reinforced plastic layer on its upper and lower surfaces. At least one layer is formed as plate or tape made from filament-reinforced material containing flat textile material and solidified thermosetting synthetic resin. Reinforcing filament makes 30-70% by weight of material and contains at least 30% of acrylonitrile filaments. Phenolic resin is used as thermosetting resin. EFFECT: increased strength and enhanced reliability in usage. 9 cl, 2 dwg
Authors
Dates
1996-05-27—Published
1991-12-23—Filed