JP2014104347A5 - - Google Patents

Claims (6)

A front waistline region, a back waistline region, and a crotch region located between the front waistline region and the back waistline region;
A product longitudinal direction from the front waistline region to the rear waistline region, and a product width direction orthogonal to the product longitudinal direction,
An absorbent core that straddles the crotch region and extends to at least one of the front waistline region and the rear waistline region;
A pair of fastening tapes extending from the rear waistline region to both outer sides in the product width direction;
A liquid-impermeable back sheet disposed on the non-skin contact surface side of the absorbent core;
A disposable diaper having an exterior sheet disposed on the non-skin contact surface side than the back sheet and capable of fastening the fastening tape;
The absorbent core is located at both ends of the absorbent core in the product longitudinal direction, and at the center of the absorbent core in the product longitudinal direction, and the length of the absorbent core in the width direction. Has the shortest narrow part, and
The back sheet extends outward in the product width direction from the outer end portion in the product width direction of the absorbent core, and extends outward in the product longitudinal direction from the outer end portion in the product longitudinal direction of the absorbent core. Out
The backsheet is provided with a mark design that indicates the position of the absorbent core,
The mark design is arranged at a position that does not overlap the outer end of the absorbent core in the product width direction,
At least a part of the mark design is more than the imaginary line that passes through the outer end portion in the product width direction of the narrow portion and extends in the product longitudinal direction in the overlapping region where the absorbent core and the backsheet overlap. Disposable diapers provided in the area outside the product width direction. A leg opening formed in the crotch region,
A leg expansion / contraction part that is disposed on the inner side in the product width direction than the leg opening and expands / contracts in the product longitudinal direction,
The backsheet is provided with a plurality of pattern designs different from the landmark design,
The plurality of pattern designs are respectively provided in a non-overlapping region where the absorbent core and the backsheet do not overlap, and the overlapping region,
The disposable diaper according to claim 1, wherein at least one of the plurality of pattern symbols is arranged so as to overlap the leg stretchable portion. Between the pair of fastening tapes in the product width direction, further comprising a waist stretchable portion that can be stretched in the product width direction,
The disposable diaper according to claim 2, wherein at least one of the plurality of pattern symbols is arranged so as to overlap with the waist elastic part. An indicator that extends in the longitudinal direction of the product and is configured to visually change when in contact with moisture;
The disposable diaper according to claim 2 or 3, wherein the mark symbol and the pattern symbol are arranged at positions that do not overlap the indicator. The front waistline region is provided with a pair of target portions to which the fastening tape is fastened,
The pair of target portions are arranged apart from each other in the product width direction,
The back sheet region between said pair of targets of, and said labeled marker pattern and the pattern design different central symbols,
In the region where the pair of target portions of the backsheet overlaps, a position pattern indicating the position of the fastening tape is attached,
The exterior sheet has an uneven portion,
The uneven portion of the exterior sheet in the region where the central symbol overlaps and the uneven portion of the exterior sheet in the region where the pattern symbol overlaps have the same shape,
5. The unevenness portion of the exterior sheet in a region where the central symbol overlaps and the unevenness portion of the exterior sheet in a region overlapping the position symbol are different shapes. Disposable diapers. The central symbol is arranged across the product width direction center of the absorbent core,
The disposable diaper according to claim 5, wherein the center in the product width direction of the center symbol and the center in the product width direction of the mark symbol are shifted from each other in the product width direction.