PROBLEM TO BE SOLVED: To provide a ridge coating machine including means holding an extension ridge upper face shaping part attachably/detachably.SOLUTION: A ridge coating machine 1 includes: a ridge slope face shaping part configured by connecting plural slope face blade plates in a peripheral direction and shaping a slope face of a ridge by axial rotation a ridge upper face shaping part 30 including a base end part fixed on an apex of the ridge slope face shaping part and shaping an upper face of a ridge by the rotation and holding means holding an extension ridge upper face shaping part 40 attachable/detachable with respect to the ridge upper face shaping part. The holding means may include a notch, engagement edge, and an engagement hole.SELECTED DRAWING: Figure 18
