There are disposed, in a width direction of an anvil roll, a plurality of first projections for producing joint portions where a pair of sheets are jointed to each other； each of the first projections extends in a circumferential direction of the anvil roll and includes a carrying groove carrying an elastic member while the elastic member has entered in the groove； and between one first projection and another first projection adjacent to each other in the width direction, at least one receiving part for receiving the pair of sheets is arranged.
