| 摘要 |
PROBLEM TO BE SOLVED: To prevent drying of liquid by allowing a liquid storage room and a discharge opening to communicate with a liquid flow path, arranging an elastic valve formed a slit at the discharge opening, and also providing a locking means for preventing from being dropped the elastic valve from the discharge opening. SOLUTION: The elastic valve 19 is inserted into a pipe-like part 17 of the liquid flow path 15. The elastic valve 19 consists of a cylinder part 20 and a base 21. The locking projection 20a is formed at the back end of the cylinder part 20, and is abutted on a cylindrical locking member 22 being force-fitted into a space 18 of a nozzle body 14 or formed on the nozzle body in one body. By being abutted the locking projection 20a on the locking member 22, dropping of the elastic valve 19 from the pipe-like part 17 is prevented. When press pressure of a top cap 16 is released, the slit 21a returns with the restoring force of the elastic valve 19 itself to be shielded. |
