| 摘要 |
PURPOSE:To inject a gas in a bottle even after a lid is closed in order to optionally increase a pressure in the bottle, and make a residual carbonated beverage tastefully drinkable by providing a valve wherein a gas flows from the outside to inside of the bottle, and a valve wherein the gas flows from the inside to outside, on a lid of the bottle for carbonated beverages, etc. CONSTITUTION:A lid 4 wherein a hole 2 to be used when a gas is injected, and a hole 3 to discharge the gas to the outside when a pressure in a bottle exceeds a specified value are formed, is attached on a lid main body 1 which is airtightly fitted on the bottle mouth of a bottle. Then, on the lid main body 1, a hole 5 to inject a gas from the outside to inside of the bottle, and a hole 7 to discharge the gas from the inside to outside of the bottle are formed, and for the hole 5, a cylindrical packing 6 with a valve function to prevent the gas from leaking to the outside of the bottle is provided. Also, for the hole 7, a cylindrical packing 8 with a valve function to discharge the gas when the pressure of the gas in the bottle exceeds the specified value is provided. |
