Air bar, drying device, and ink jet printing apparatus

An air bar that guides a web-shaped workpiece on a guide surface of an outer surface in a noncontact manner, the air bar comprising:

• a body part that has a tubular shape having a first outer peripheral surface and a first inner peripheral surface and consists of a porous body having a plurality of first holes penetrating the first outer peripheral surface and the first inner peripheral surface;
• an air supply mechanism part for supplying air to an inside of the body part;
• and
• cover parts that are provided at both side ends of the body part to prevent outflow of the air from the both side ends,
• wherein the first outer peripheral surface of the body part includes a first non-jetting region in which the first holes are closed and a first jetting region other than the first non-jetting region, the first jetting region is disposed at a position corresponding to the guide surface of the air bar, and the first non-jetting region is disposed at a position corresponding to the outer surface of the air bar other than the guide surface.