CORNER PIECE FOR BATHTUB

PROBLEM TO BE SOLVED: To provide a corner piece for a bathtub joint structure which can be fixed in place, can be easily confirmed to be fixed, and can hold a regular posture after installation.SOLUTION: The corner piece 4 for the bathtub used in a bath structure in which the bathtub joint material 3 is interposed between the outside wall 9 of a bathtub frame 6 and a bathtub wall face 1 has a corner covering part 10 covering an area of the respective corner parts 5, 7 of the upper face outside fringe part of the bathtub frame 6 and the bathroom wall face 1, a foot part hanging down from the corner covering part 10 and arranged between the respective corner parts 5, 7 of the outside wall 9 and the bathroom wall face 1, and engaging wall parts 12 which hang down from the corner covering part 10 along the outside face of the outside wall 9 and where engaging grooves for engaging the covering part of the bathtub joint material 3 are formed.