Liquid distribution unit and absorbent product having the same
AssigneeJapan Absorbent Technology Institute
InventorMigaku Suzuki
Life of this patent
Estimating the term…
Abstract
A liquid distribution unit disposed in a position between an absorbent member and a wearer's body. The liquid distribution unit includes a sheet, the sheet including a plurality of openings defined through material which is otherwise liquid impermeable, and a plurality of introductory tubes extending toward the absorbent member, and each one of the introductory tubes includes one first end and one second end. Each first end of the tubes is connected to the sheet so that a center of each of a plurality of openings of the sheet is coincident with a center of an opening of each first end. The introductory tubes are adjacent to one another through an empty space. An absorbent product having the distribution unit is provided.
Claims15
A liquid distribution unit disposed in a position between an absorbent member and a wearer's body, the absorbent member including an absorbent containing super absorbent polymer particles as a major component, or the absorbent and a liquid permeable surface sheet between the absorbent and the liquid distribution unit,
- said liquid distribution unit comprising a sheet and a plurality of introductory tubes which extend toward an upper surface of said absorbent member, one first end of each of said plurality of introductory tubes having one opening and one second end of each of said plurality of introductory tubes having one or more openings,
- the sheet including a plurality of openings defined through material which is otherwise liquid impermeable, and the liquid passing through the plurality of openings,
- wherein each first end of said plurality of introductory tubes is connected to said sheet so that a center of each of the plurality of openings of said sheet is coincident with a center of the opening of each first end,
- each second end of said plurality of introductory tubes is in contact with the upper surface of said absorbent or the upper surface of said liquid permeable surface sheet, and
- said introductory tubes are adjacent to one another through an empty space.
An absorbent article comprising:
- a liquid distribution unit;
- an absorbent containing super absorbent polymer particles as a component disposed on an outer side of said liquid distribution unit with respect to a wearer's body in a wearing state;
- and
- a liquid permeable surface sheet positioned on one of an inner side of said liquid distribution unit with respect to the wearer's body and an intermediate side between said liquid distribution unit and said absorbent, the intermediate side being the outer side of said liquid distribution unit,
- wherein said liquid distribution unit comprises a sheet and a plurality of introductory tubes which extend toward an upper surface of said absorbent or said liquid permeable surface sheet, one first end of each of said plurality of introductory tubes having one opening and one second end of each of said plurality of introductory tubes having one or more openings,
- the sheet including a plurality of openings defined through material which is otherwise liquid impermeable, and the liquid passing through the plurality of openings,
- wherein each first end of said plurality of introductory tubes is connected to said sheet so that a center of each of the plurality of openings of said sheet is coincident with a center of the opening of each first end,
- each second end of said plurality of introductory tubes is in contact with the upper surface of said absorbent when the liquid permeable surface sheet is positioned on the inner side of said liquid distribution unit and in contact with said liquid permeable surface sheet when the liquid permeable surface sheet is positioned on the outer side of said liquid distribution unit, and
- said introductory tubes are adjacent to one another through an empty space.
An absorbent article comprising:
- a liquid distribution unit;
- an absorbent containing super absorbent polymer particles as a component disposed on an outer side of said liquid distribution unit with respect to a wearer's body in a wearing state;
- and
- a liquid permeable surface sheet positioned on an inner side of said liquid distribution unit with respect to the wearer's body,
- wherein said liquid distribution unit comprises a sheet and a plurality of introductory tubes which extend toward said absorbent, one first end of each of said plurality of introductory tubes having one opening and one second end of each of said plurality of introductory tubes having one or more openings,
- the sheet including a plurality of openings defined through material which is otherwise liquid impermeable, and the liquid passing through the plurality of openings,
- wherein each first end of said plurality of introductory tubes is connected to said sheet so that a center of each of the plurality of openings of said sheet is coincident with a center of the opening of each first end, and
- said introductory tubes are adjacent to one another through an empty space,
- wherein the absorbent comprises a plurality of absorbent sheets laminated upon one another, said plurality of absorbent sheets including a top sheet and a lower sheet located under said top sheet, and said liquid distribution unit has a first portion located on the top sheet, a second portion located on the lower sheet and a third portion for connecting the first portion to the second portion through the top sheet, and
- wherein each second end of said plurality of introductory tubes at the first portion is contacted with an upper surface of said top sheet, and each second end of said plurality of introductory tubes at the second portion is contacted with an upper surface of said lower sheet.
Dependencies are inferred from the claim text.