Disposable diaper
AssigneeDaio Paper Corporation
InventorAya Oshima
Life of this patent
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Abstract
A disposable diaper includes a diaper body having a top sheet, a back sheet, and an absorber disposed therebetween, the disposable diaper extending from a backside portion to an abdominal side portion; a side flap provided in each of side portions of the backside portion, the side flap extending outward beyond the absorber in a width direction; and a fastening tape that is provided in the side flap to be fastened to the abdominal side portion when the diaper body is used. The fastening tape includes a fixed portion fixed to the side flap, and a protruding piece extending outward from the fixed portion in the width direction. The fixed portion includes a notch in a lower region that is closer to a leg side of a wearer than the protruding piece. The notch is recessed from an outer edge in the width direction toward an inner side.
Claims3
A disposable diaper comprising:
- a diaper body that comprises a front surface sheet, a back surface sheet, and an absorber disposed between the front surface sheet and the back surface sheet, the diaper body extending from a backside portion of the diaper body to an abdominal side portion of the diaper body;
- a side flap that is provided in each of side portions of the backside portion, the side flap extending outward beyond the absorber in a width direction of the diaper body;
- and
- a fastening tape that is provided in the side flap to be fastened to the abdominal side portion when the diaper body is used;
- wherein the fastening tape comprises:
- a fixed portion that is fixed to the side flap;
- and
- a protruding piece that extends outward from the fixed portion in the width direction;
- wherein the fixed portion comprises a notch in a lower region of the fixed portion that is closer to a leg side of a wearer than the protruding piece, the notch being recessed from an outer edge in the width direction toward an inner side in the width direction,
- wherein the fixed portion comprises a non-fixed region that is not fixed to the side flap, and
- wherein the non-fixed region extends from the notch in a direction passing through the lower region of the fixed portion.
A disposable diaper comprising:
- a diaper body that comprises a front surface sheet, a back surface sheet, and an absorber disposed between the front surface sheet and the back surface sheet, the diaper body extending from a backside portion of the diaper body to an abdominal side portion of the diaper body;
- a side flap that is provided in each of side portions of the backside portion, the side flap extending outward beyond the absorber in a width direction of the diaper body;
- and
- a fastening tape that is provided in the side flap to be fastened to the abdominal side portion when the diaper body is used;
- wherein the fastening tape comprises:
- a fixed portion that is fixed to the side flap;
- and
- a protruding piece that extends outward from the fixed portion in the width direction;
- wherein the fixed portion comprises a notch in a lower region of the fixed portion that is closer to a leg side of a wearer than the protruding piece, the notch being recessed from an outer edge in the width direction toward an inner side in the width direction;
- wherein the side flap is formed by laminating the front surface sheet and the back surface sheet, and comprises a non-adhesion region where the front surface sheet is not bonded to the back surface sheet, and
- wherein the non-adhesion region extends from a position where the notch overlaps in a direction passing through the lower region of the fixed portion.
A disposable diaper comprising:
- a diaper body that comprises a front surface sheet, a back surface sheet, and an absorber disposed between the front surface sheet and the back surface sheet, the diaper body extending from a backside portion of the diaper body to an abdominal side portion of the diaper body;
- a side flap that is provided in each of side portions of the backside portion, the side flap extending outward beyond the absorber in a width direction of the diaper body;
- and
- a fastening tape that is provided in the side flap to be fastened to the abdominal side portion when the diaper body is used;
- wherein the fastening tape comprises:
- a fixed portion that is fixed to the side flap;
- and
- a protruding piece that extends outward from the fixed portion in the width direction;
- wherein the fixed portion comprises a notch in a lower region of the fixed portion that is closer to a leg side of a wearer than the protruding piece, the notch being recessed from an outer edge in the width direction toward an inner side in the width direction;
- and
- wherein the fixed portion comprises a fragile structure at a periphery of the notch, the fragile structure suppressing rigidity of the fastening tape.
Dependencies are inferred from the claim text.