After World War II, it was widely called as 'go-gallon kan' (can of 5 gallons), and later, it was formally renamed into 'Juhachi-liter kan' (can of 18 liters).
第二次世界大戦後は「五ガロン缶」という名称が広まったが、後に「18リットル缶」が正式名称とされた。