ABSORBENT PRODUCT COMPRISING FOAM MATERIAL Russian patent published in 2018 - IPC A61F13/15 A61F13/537 A61F13/475 A61F13/472 

Abstract RU 2670383 C1

FIELD: personal usage items.

SUBSTANCE: invention relates to absorbent sanitary products, such as sanitary towels. Absorbent product comprises a liquid permeable topsheet, a liquid impermeable backsheet and an absorbent core enclosed between the topsheet and the backsheet. Absorbent core comprises a liquid inflowing foam material located closest to the liquid permeable topsheet and an absorbent fibrous layer closest to the impermeable backsheet. Liquid inflowing foam material has, in the transverse direction of the absorbent product, two edge regions and one central region located between the edge regions. Central zone has a plurality of apertures formed from a plurality of slots extending in the longitudinal direction of the absorbent product, and wherein the apertures are formed from the slots by expanding the continuous fluid inflowing foam material in the transverse direction of the product. Each edge region of the fluid inflowing foam material has a width which is of least 5.0 mm and is free of apertures.

EFFECT: improving the absorption of liquids of various viscosities, eliminating leaks and improving ergonomic parameters.

18 cl, 4 dwg

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RU 2 670 383 C1

Authors

Jonegren, Asa

Kalentun, Pia

Edrud, Susanna

Hansson, Morgan

Andersson, Susanne

Dates

2018-10-22Published

2015-06-10Filed