| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it possible to get the trace for handling record of attachment or removal certainly without diminishing the original versatility and convenience of a screw. <P>SOLUTION: The screw 10 is equipped with a shank part 11 that a screw thread 11a is cut on its outer circumference, a screw head 12 that is provided integrally to the end of this shank part 11, a sealing recessed part 12a that is provided in the center of the screw head 12, a hexagon hole 13 that is provided in the bottom of this sealing recessed part 12a for driving and rotating the shank 11, an ID tag 14 that is arranged into the sealing recessed part 12a when required, and a seal member 15 that is fixed irreversibly to the sealing recessed part 12a so as to cover the hexagon hole 13 and the ID tag 14 and constitutes the breakable wrapping skin and the inner sealing liquid of an ink etc. It enables to remove from an optional commodity 100 without leaving the trace of breakage of the seal member 15 that is fixed after screwing to the commodity 100. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
