| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ball type fishing plumb for individual sports, which is enjoyable for another sports such as golf and baseball, simultaneously for fishing sport. <P>SOLUTION: Powders or solids of metallic substances of ≥1 g/ml and ≤1 g/ml specific gravity are mixed in a synthetic or natural rubber resin of an inner core of the ball type fishing plumb to classify weight class, and the ones of golf ball type are hit with a golf club and the ones of baseball ball type are hit with a bat to fly far away. <P>COPYRIGHT: (C)2012,JPO&INPIT |
