| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a golf club head and a golf club, surely allowing a follow-up survey for quality information or the like of the golf club head and the golf club even after a consumer starts using it. <P>SOLUTION: An identification body 40 formed by describing information 42 such as characters and marks, which is formed of ink including a high radiation shielding material, on a recording body 41 composed of a ray permeable base material is fixedly displayed inside the golf club head 1 having a hollow part. This constitution, even if a quality information such as a date of manufacture and a manufacturing plant is displayed on an invisible position, enables to identify the transmission/non-transmission of the radiation based on the presence/absence of the ink including the high radiation shielding material by irradiating the identification body 40 with X-rays and projecting the identification body 40 on a captured image. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
