| 摘要 |
PROBLEM TO BE SOLVED: To increase the adhesive strength of a bottle body to a handle in a plastic bottle having the handle in which a handle body is fitted to a side surface of the plastic bottle. SOLUTION: A H-section structure with a level difference comprising upper and lower side plate parts 17 and 18 different in length in the short side and a connection part 19 to connect the upper and lower side plate parts to each other is provided on an upper fitting arm part 12 of the handle body 3, and when the bottle body 2 is blow-molded, the H-shaped section structure with a level difference is surrounded by a wall portion of the bottle body 2, and the adhesive strength of the handle body 3 is increased.
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