To discard a filled substance in a spray without keeping to press a nozzle by a hand or the like.

A joint 1 is pushed into a first peripheral rim 103 of a spray can body 100 from which the nozzle of the spray can 100 to be disposed of is removed, and a pressure applying part 4 is rotated and advanced by using engagement between a thread 3 and a thread 7, thereby pressing an spout 101 of the can body 100. Thus, gas and contents, that is, a filled substance is discharged from the port 101. A pressure to be continuously applied can be adjusted dependent on the rotated extent of the part 4. Further, the filled substance can be led to a distant place by connecting a tube.