The airtight-combined hydro cylinder makes the rubber inosculate with soles firmly and the shape of the sides to reach an average pressure, firm joint and no space effect.

• 本机采用密排式组合油缸设计，使橡胶块能很好地吻合鞋底，鞋边之曲线形状，产生压力均等、贴合好，不留间隙死角之理想效果。