| 摘要 |
PROBLEM TO BE SOLVED: To use repeatedly a sealing cork for a beverage bottle formed of a cork material of sufficient repulsive elasticity and strength and demonstrate good sealing force for a long period of time. SOLUTION: A cork with a cap is provided with a body section 2a to be inserted into a beverage bottle mouth 1 and a cap section 2b, and a deep hole 3 is formed from a top face of the umbrella section 26 to the interior of the body section 2a, and a chemically reactive bonding agent 4 is filled in the deep hole 3 and cured therein. Good repulsive elasticity high sealing performance and high rigidity can be provided by the arrangement, and the cap is protected from being broken at the time of closing and opening the cap, and defective settings are all eliminated by the structure. As the cork is formed of the same quality and the same kind materials, its workability is good and the cork can be formed into various shapes demanded in the market. Also the cork is constituted of a cork material as a natural woody material, and the cork can be used as a natural product friendly with the environment. |
