Applicator

An applicator which comprises:

• a barrel cylinder in which an application liquid is stored in a storage portion inside a rear part thereof;
• and an application body arranged inside a front part of the barrel cylinder wherein the application body is supplied with the application liquid stored in the storage portion in the barrel cylinder, characterized in that:
• a full coupling portion and a temporary coupling portion are formed on each of a front barrel and the barrel cylinder;
• the front barrel and the barrel cylinder each have an anti-rotation rib;
• the anti-rotation ribs are not engaged with each other in an initial coupled state, before a temporary coupled state, in which the temporary coupling portions of the barrel cylinder and the front barrel are engaged with each other;
• and,
• the anti-rotation ribs become engaged with each other in a fully coupled state in which the full coupling portions are engaged with each other,
• wherein a seal ball is fitted in a front end portion of the barrel cylinder via a seal joint, and in the fully coupled state the seal ball is held in the storage portion of the barrel cylinder, and the seal joint in which the seal ball is fitted in, is formed with a projected portion projecting from a rear end opening thereof.