| 摘要 |
PURPOSE: To prevent a liquid leakage from generating after opening the mouth of a plastic container in which a liquid such as medicine, etc., is stored, and the filling port of which is totally sealed by fusion bonding. CONSTITUTION: A container cap 30 has an external cylindrical body 31 to be fitted on a container mouth part 60, and a top wall 33 with a discharging port 34. Then, an opening/closing lid 40 which has a bar-shaped plug structure 41 to close the discharging port 34, on the lower surface, is connected to the external cylindrical body 31 with a reversing hinge 42. Then, on the lower surface of a top wall 33, a piercing tool 50 which surrounds an opening 52 of a disk body 53, and on the lower end of which a cylindrical blade 51 with a sharp blade part is formed is provided for the container cap 30. Such a container cap 30 is fitted on the container mouth part 60 being sealed, and the top surface 61 of the mouth part 60 is opened by lowering the container cap 30 as a structure for opening. Also, an O ring 11 or packing is provided around the cylindrical blade 51 of the piercing tool 50. |
