To accept and distributedly feed a variety of containers of different sizes (calibers) even when a variety of containers are fed.

Feed belts 4a to 4c comprising a pair of two rope-shaped belts 4 which are rotated in parallel to each other and at a specified interval are arranged under multiple stages, and those containers 2a to 2c of different sizes are fixed between the rope-shaped belts 4 in the order ranging from those of larger diameter and then transported. Those containers smaller in diameter are passed through and fixed between the rope-shaped belts of a feeding belt located just beneath the rope-shaped belts and transported. Thus a variety of cup-shaped containers of different diameter can be fed to a single feeding conveyor, and then arranged distributedly by calibers and conveyed.