HIGH JUMPING POLE AND COMPOSITE MATERIAL FOR ITS FABRICATION Russian patent published in 1995 - IPC

FIELD: sports equipment. SUBSTANCE: polymer composite material layers are arranged crosswise and reinforced with an organic ribbon. Between them there is an intermediate load-bearing layer of 2-3 loops of hybrid organic glass plastic reinforced with some cloth filler. The layer forms sector-shaped organic plastic and glass plastic areas in the cross-section of the pole along its length in the strained condition. The polymer composite material has reinforcing laminar cloth filler containing bands of organic plastic and fiber glass of prescribed width. EFFECT: higher strength and reliability. 2 cl, 4 dwg, 2 tbl