| 摘要 |
PROBLEM TO BE SOLVED: To provide an anti-slip section by which the residual amount of ink can be visually checked from the outside, and which is inexpensive and is excellent in decorating property and a design effect at a gripping section in the barrel cylinder of a writing utensil having a groove shape regulating body wherein the ink is primarily stored in the barrel cylinder located at the gripping section. SOLUTION: This barrel cylinder comprises a transparent or colored- transparent resin molded article. Then, on the external surface of the gripping section, protruding-form or indented-form lines having an anti-slip function or a decorative effect are formed. |
