To effectively suppress thick coating of the end part of a web by a simple method.

In the extrusion type coating apparatus 10, a 1st taper part 28A is formed on the end part of a pocket part 26 so that the width of the pocket part 26 becomes wider as it approaches to a slit discharge port 12A, and a 2nd taper part 32A having a widening angle smaller than that of the 1st taper part is formed in the end part of the silt 12 while the slit width becomes wider as it approaches to the slit discharge port 12A.