| 摘要 |
PROBLEM TO BE SOLVED: To provide a salvage floating ring which is bright during dark time such as night, and capable of facilitating viewing of a presence place of a rescue person and which can release distress that one must hold the salvage floating ring consciously over a long period.SOLUTION: The salvage floating ring of the invention comprises a main body 1 and a string 2 which includes a luminous pigment 3 and is bright. When transparent beam is emitted to the luminous pigment 3, the luminous pigment 3 is excited and its luminance is enhanced, therefore the salvage floating ring can be bright for a long period in a dark place quickly for facilitating viewing of presence of the floating ring. |
