| 摘要 |
A welding method for a disposable diaper comprising steps of putting wing-like portions (21,22) provided on front and rear bodies (5,6) including a topsheet (2), a backsheet (3) and a core (4) sandwiched therebetween, one upon another, with said topsheet opposed face to face; placing cover sheet (20) having a melting point higher than a melting point of said backsheet on an outer surface of said wing-like portions and welding, under heat and pressure exerted from above said covering sheet, laterally opposite side edges of said wing-like portions. <IMAGE> |
