| 摘要 |
A piece of jewelry (10) is disclosed, comprising first and second substantially opposing end portions (14, 16), at least one said end portion being moveable from an open state A in which said end portions (14, 16) are spaced apart towards a closed state B in which said end portions (14, 16) are spaced apart by a reduced gap or are substantially engaged. The piece of jewelry (10) comprises at least a section (12a) made from a shape memory material and said shape memory material is adapted, at or above a predetermined temperature Ta, to bring said end portions (14, 16) towards each other. This occurs preferably when said shape memory material is placed in the region of a body part of a wearer such that shape memory effect is used in co-operation with body temperature to fit said piece of jewelry to its wearer whist simultaneously causing a change in externally visible shape or configuration of the jewelry. |
