| 摘要 |
PURPOSE: To stabilize the predetermined characteristic value for a long time, and to remarkably improve the fatigue strength limit in an annular spring body provided with at least two concentrical winding forms made of the fiber impregnated with the resin and a sliding foil wounded between these forms. CONSTITUTION: Two sliding foils 4, 5 are wounded between two winding forms 2, 3, and these sliding foils 4, 5 are adhered to the winding forms 2, 3 so as to be freely slid on the overlapped foil surfaces. |
