| 摘要 |
PROBLEM TO BE SOLVED: To provide a cork with light capable of achieving size reduction and cost cut and safely storing a light-emitting unit in a cork main body by decreasing the number of wiring elements and simplifying a configuration.SOLUTION: A cork with light 1 comprises: an electrically conductive hollow cylindrical portion 12 having an inner circumferential radius 12a larger than an outer circumferential radius 11a of a battery 11 by a predetermined gap; an electrically insulating holding unit 13 having a thickness 13a smaller than the gap and attached to an outer circumferential side surface of the battery 11; a light source 14 having one electric wire 14a electrically connected to a lower electrode 11b of the stored battery 11 and having the other electric wire 14b electrically connected to an inner circumferential side surface of the hollow cylindrical portion 12; and a connection portion 15 having one conductor wire 15a electrically connected to the inner circumferential side surface of the hollow cylindrical portion 12 and having the other conductor wire 15b electrically connected to an upper electrode 11c of the stored battery 11. |
