Patent ID: 6375193
Filing Date: 2002-04-23
Classification: F41J

Abstract:
A dartboard comprising:a main frame having supporting frames, and a plurality of heat-conductive frames each having a board and a peripheral wall extending from said board so as to define a space, said heat-conductive frames movably engaged with said main frame and separated by said supporting frames, a plurality of bosses extending from each of said boards and a film located adjacent to said bosses and connected to a circuit board, a plurality of separating ribs extending from each of said boards and said peripheral wall of each of said boards, a heat-conductive layer attached to an inside of each of said heat-conductive frames and an outside of each of said separating ribs, said heat-conductive layer heatable to proper temperature for cutting into a heat-fusible block composed of a plurality of strips connected with each other, a piece of said heat-fusible block enclosed in each of said heat-conductive frames after said heat fusible block is cut.