To enable to transfer-coat with an adequate amount of coating agent of a surface of a member to be coated and to prevent occurrence of shrinkage on the coated member in accordance with drying of the transfer coating agent.

A coating roller 23 is rotationally supported at the lower part of a tank for housing the coating agent 19 having viscosity. Plural recessed parts 38 for transfer-coating with the coating agent 19 are independently formed on the outer peripheral surface of the coating roller 23. The coating agent in the tank 18 is transfer-coated on a surface of the member 24 to be coated via plural recessed parts 38 on the coating roller 23, by rolling the coating roller 23 along the surface of the member 24.