| 摘要 |
<p>A ring which is fitted so securely to a finger that the fitted ring goes unnoticed, prevented from rotating on the finger, holds the original decorating feature of the ring at all times, is removable easily, reduces a pressing or an uncomfortable feeling given when fitted, is fitted to a slightly thicker or thiner, or even swollen finger without re-sizing, and is suitable for mass-production as finished products; a method of manufacturing a ring, comprising generally linearly connecting, in Y-axis direction, the crossing points of circular lines, having a center point of a basic diameter (D) and center points obtained by phase-shifting the center point along Y-axis and involving a diameter (D2), the connected lines being extended toward X-axis to obtain a diameter (D1) and a ring main body being formed so that a relation between the diameter (D2) and the diameter (D1) is D2>D>D1, the ring main body being shifted at least by t in Z-axis direction along an inserting axis, a curved line of the ring main body in Z-axis direction being formed in an appropriate configuration so as to manufacture an annular ring main body.</p> |
