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US 7,621,899 B2Granted
Sanitary napkin
AssigneeUni-Charm Corporation
InventorsShinobu Fujikawa, Toshiyuki Tanio, Wataru Yoshimasa
Life of this patent
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Abstract
A sanitary napkin includes a main body having a liquid-absorbent layer for absorbing and retaining liquid and a projection disposed on a body surface of the main body. At least a portion of the projection is separably fixed to the body surface of the main body through a temporarily fixing means.
Claims17
A sanitary napkin comprising:
- a main body having a liquid-absorbent layer for absorbing and retaining liquid;
- and
- a projection disposed on a body surface of the main body, the projection being divided into front and rear portions,
- wherein the rear portion of the projection is separably fixed to the body surface of the main body through a temporarily fixing means, such that the rear portion of the projection can be easily separated from the main body without causing damage to components of the projection and main body, the temporarily fixing means being provided on a garment surface of the projection,
- wherein the temporarily fixing means provides a bond strength such that the projection and the main body can be separated from each other without changing in shape,
- wherein the front portion of the projection is firmly fixed to the body surface of the main body through a firmly fixing means which provides a higher bond strength than the temporarily fixing means,
- wherein the bond strength provided by the temporarily fixing means is 0.1-2.0 Newtons, and
- wherein the bond strength provided by the firmly fixing means is greater than or equal to 2.5 Newtons.
5 more elements
Dependencies are inferred from the claim text.