| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an underpants type absorbent article which has an outerwrap material split into abdominal-side and back-side sheet members and which enables easy discrimination between front and rear sides of a diaper while being the efficiently manufacturable underpants type absorbent article. <P>SOLUTION: The underpants type absorbent article 1 includes the abdominal-side and back-side sheet members 2A and 2B, and a longitudinally long absorbent body 3. Side edges of both the sheet members 2A and 2B are provided with joint portions 2a' and 2b' which form side seal portions, and non-joint portions 2a" and 2b" which are positioned on lower extensions thereof. The absorbent body 3 includes an absorber 33 and a lateral sheet portion 34, and the lateral sheet portion 34 has an expansion/contraction area 34c which is expanded/contracted by an elastic member 36. Both the sheet members 2A and 2B comprise abdominal-side and back-side expansion/contraction portions 36a and 36b which are joined to the expansion/contraction area 34c and expanded/contracted together with the expansion/contraction area 34c. A length L1, along the longitudinal direction of the absorbent body 3, of the abdominal-side expansion/contraction portion 36a is longer than a length L2, along the longitudinal direction of the absorbent body 3, of the back-side expansion/contraction portion 36b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
