To provide a bottle plug structure capable of manufacturing a bottle plug from a plastic material and restraining manufacturing cost of the bottle plug at a low level since a cap body can be made to have one common color and various kinds of sizes although the cap body of the bottle plug can be made to have various kinds of different colors.
The bottle plug has a plug body 1 and a cap body 2. The plug body 1 is made from a deformable material, a plug body section 10 is arranged on one end of the plug body 1, and an annular flange section 11 is arranged on the other end of the plug body 1. An upper section 21 and an annular wall 22 extending to a lower part from a bottom surface of the upper section 21 is arranged on the cap body 2, an auxiliary wall 25 is formed inside the annular wall 22 so as to extend otherwise, and a combination groove 26 is formed between the auxiliary wall 25 and the annular wall 22. The combination groove 26 is formed so as to be combined with the annular flange section 11 of the plug body 1 by closely fitting into the combination groove 26.
| JP2009533291 | Container lid |
| JP2001080665 | CAP |
Kazuo Ikeyama
Toshihiko Nakayama
Masahiko Oshikubo
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