| 摘要 |
PROBLEM TO BE SOLVED: To provide a tool for enabling efficient collection of liquid.SOLUTION: A tool 7 used for a collection container 6 includes: a lid part 10 attachable to an opening part 9 of the collection container 6; a connection part 11 for a cylindrical hose that penetrates the lid part 10 and is connectable to the hose 13 connected to a crank chamber 4 in which a refrigerant oil 3 is stored; and a connection part 12 for a cylindrical pump that penetrates the lid part 10 and is connectable to a vacuum pump 8 for making the inside of the collection container 6 assume a negative pressure. |
