| 摘要 |
A cushion coating (2) is applied to each glass fibre (1) in a multifibre optical cable. In order to achieve more favourable strength characteristics and stranding characteristics, when stranding the conductors with a pitch (h) and a stranding circle diameter (d), the cushion coating (2) is designed so that <IMAGE> Here, E1 is defined as the modulus of elasticity of the glass fibre (1), b1 as the outside radius of the glass fibre (1), E2 as the modulus of elasticity of the cushion coating (2) and b2 as the outside radius of the cushion coating (2). <IMAGE>
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