PURPOSE: To form an irregular pattern on a surface of a second piece when a curved accessary tile having a first piece and the second piece which makes a predetermined angle with respect to the first piece is to be molded by press molding.

CONSTITUTION: An accessary tile molding device is formed in such a manner that a molding cavity 24 consists of a first molding section 28 corresponding to a first piece and a second molding section 30 corresponding to a second piece. The second molding section 30 is formed vertically and in between a part of a formwork 26 and a lower mold 20. A part of the formwork 26 which forms the second molding section 30 is formed as a movable section 38 which is a body separate from others and movable in the lateral direction. A drive means 40 is provided for driving the movable section 38 to move back and forth.