| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize and simplify a bubble injection mechanism part of a bubble injection container and to make the bubble ejection container compact and inexpensive. SOLUTION: In a bubble ejection container 10, a porous screen 21 is provided on a gas-liq. introducing region 17 of a bubble ejection passage 16 provided on a cap 12 and a net screen 22 is provided on a bubble ejection hole 18 of the bubble ejection passage 16 and a bubble forming room 23 is provided at a part placed between the porous screen 21 and the net screen 22 of the bubble ejection passage 16. In addition, the porous screen 21 is integrally molded on the cap 12. |
