Title:
使い捨ておむつ
Document Type and Number:
Japanese Patent JP7028894
Kind Code:
B2
Abstract:
Disclosed is a disposable diaper including a pair of leak-proof cuffs (6) provided respectively to both lateral sides of an absorbent assembly (5) along the longitudinal direction. Each leak-proof cuff (6) includes: an inwardly-oriented portion (63) wherein a leak-proof-cuff-forming sheet material (61) is arranged from a lateral side edge (43) of an absorbent core toward the absorbent member's inner side in the width direction; a fold-back portion (64) where the sheet material (61) is folded back toward the absorbent member's outer side in the width direction, the fold-back portion being located above the absorbent member (4); and an outwardly-folded portion (65) ranging from the fold-back portion (64) to a free end (6b) of the leak-proof cuff. The outwardly-folded portion (65) has a length, in the width direction, that is longer than the length of the inwardly-oriented portion (63), and a plurality of elastic members (62) are fixed in a stretched state to the outwardly-folded portion. The free end (6b) is located outside of the lateral side edge (43) of the absorbent core. In the outwardly-folded portion (65), in a case where an elastic region (E) where the elastic members (62) are provided is divided, in the width direction, into two equal parts defined respectively as an inner region (E1) and an outer region (E2), the inner region (E1) has a higher elongation stress at 70% elongation than the outer region (E2).
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Inventors:
Izumi Kamiyama
Hiroko Kawaguchi
Hiroko Kawaguchi
Application Number:
JP2019560009A
Publication Date:
March 02, 2022
Filing Date:
December 22, 2017
Export Citation:
Assignee:
Kao Corporation
International Classes:
A61F13/51; A61F13/494
Domestic Patent References:
JP2007511326A | ||||
JP2001293031A | ||||
JP2017113347A | ||||
JP11347063A |
Foreign References:
WO2017199932A1 |
Attorney, Agent or Firm:
Showa International Patent Office