| 摘要 |
PROBLEM TO BE SOLVED: To provide a writing instrument refill storage body, a writing instrument body using the same and a writing instrument set in which a case for storing the writing instrument refill is reusable, and, even when a writing instrument body for newly storing a refill incorporating thermochromic ink does not include a friction body, handwriting by the thermochromic ink can be thermally changed easily and surely.SOLUTION: In a refill storage body 1, one or more writing instrument refill 4 is stored in a container body 2 for opening/closing an opening 21 with a cap 3, a writing instrument refill 4 incorporates thermochromic ink, and at least one of the cap 3 and the container body 2 becomes a friction body. In a writing instrument body, the writing instrument refill 4 is stored. A writing instrument set comprises the refill storage body 1 and the writing instrument body. |
