A61F2013/530007

ABSORBENT ARTICLE WITH CHANNELS AND METHOD FOR MANUFACTURING THEREOF
20210161727 · 2021-06-03 ·

A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.

Process for making an absorbent article comprising a topsheet/acquisition layer laminate

A process of making an absorbent article is disclosed. A liquid permeable topsheet web extending substantially continuously in a machine direction a backsheet web, and an intermediate layer are provided. The topsheet web has first and second surfaces. The backsheet web extends substantially continuously in the machine direction. The intermediate layer has a first and second surface. The topsheet and intermediate layer are aligned in a face to face relationship such that the second surface of the topsheet in in contact with the first surface of the intermediate layer and simultaneously mechanically deformed which combines the topsheet with the intermediate layer. The topsheet web and intermediate layer are nested together such that a majority of the three-dimensional protrusions formed in the topsheet web coincide with and fit together with a majority of the three-dimensional protrusions formed in the intermediate layer to provide a topsheet/intermediate layer laminate web having three-dimensional protrusions.

ABSORBENT PRODUCTS WITH ANTI-BACTERIAL AND ANTI-ODOUR PROPERTIES
20210137754 · 2021-05-13 ·

A disposable absorbent hygiene product is provided, comprising an absorbent core disposed between a liquid pervious topsheet intended to face the wearer, and a backsheet intended to face away from the wearer, wherein said absorbent core comprises a super absorbent polymer composition that comprises a) super absorbent polymer particles including a cross-linked polymer of a water soluble ethylenically unsaturated monomer containing an acidic group, at least a part of said acidic groups being neutralized; and b) a particle size-controlled antibacterial agent that comprises a chelating agent containing EDTA or an alkali metal salt thereof; a mixture of an organic acid and a silicate-based salt; and a particle size control agent.

Pad type disposable diaper
10987258 · 2021-04-27 · ·

An absorbent of a disposable diaper is formed of a lower layer absorbent and an upper layer absorbent, wherein a pair of left and right slits is extended in a front-rear direction region including a crotch portion, wherein the left slit and the right slit are spaced apart in a width direction, wherein a top sheet includes a depressed portion that falls into the slits, and wherein, in at least a region located between the slits in the top sheet, a large number of convex portions is arranged in a zigzag manner while being spaced apart by an interval, and the interval between the adjacent convex portions in the width direction is shorter than each of sizes in the width direction of the convex portions located at the front side and at a rear side of a part of the interval.

Water absorption treatment material comprising granular core and coating containing polymer particles therein
10973707 · 2021-04-13 · ·

The present invention provides a water absorption treatment material that has a structure suitable for obtaining a high level of water disintegrability. A water absorption treatment material is a water absorption treatment material that absorbs a liquid, and includes a granular core portion and a coating layer portion. The granular core portion has a granular shape. The granular core portion contains a first water-absorbent polymer. The coating layer portion covers the granular core portion. The coating layer portion contains a second water-absorbent polymer. The second water-absorbent polymer has a mean particle size smaller than the mean particle size of the first water-absorbent polymer.

Absorbent article and method for manufacturing an absorbent article

An absorbent article comprises an absorbent core sandwiched between a topsheet and a backsheet. The article defines a front portion, a back portion and a crotch portion. The absorbent core comprises an absorbent component enclosed by a core cover comprising an upper and a lower side, and the core is formed with a sealing arrangement for joining the upper and lower sides comprising two channel sealings extending along an longitudinal axis in the crotch portion and defining a first channel sealing width and a second channel sealing width, respectively. The front portion of the core is formed with a recess defining a depth extending from a front edge of the core and into the front portion. A distance is defined between said front edge of the core and a front edge of each channel sealing, such that the ratio of the depth and the distance is within the interval 0.05-0.8.

Absorbent article and method for manufacturing absorbent article

An absorbent article including an absorbent core sandwiched between a liquid-permeable topsheet and a liquid-impermeable backsheet, the article defining a front portion, a back portion and a crotch portion, wherein the absorbent core includes an absorbent component enclosed by a core cover including an upper side and a lower side, and a sealing arrangement for joining the upper and lower sides, wherein the sealing arrangement includes two side seams extending along two side edges in a direction of a longitudinal axis of the core, wherein the sealing arrangement further includes at least one transversally oriented connecting sealing, the at least one connecting sealing joining the side seams, wherein the sealing arrangement further includes welding spots, wherein the sum of the area of the welding spots is constant along a direction of a transversal axis of the core.

Sanitary pad
10980680 · 2021-04-20 · ·

The present invention provides a sanitary pad including an upper sheet made of pure organic cotton through which a liquid is permeable, a first absorbing sheet disposed below the upper sheet and made of pure organic cotton configured to absorb the liquid, a second absorbing sheet disposed below the first absorbing sheet and made of natural compressed pulp configured to absorb the liquid, and a waterproof sheet disposed below the second absorbing sheet and having air permeability.

Absorbent article and method of manufacturing the same
10918538 · 2021-02-16 · ·

A method of manufacturing an absorbent article includes a paper making step in which, after forming a wet paper sheet from a source material and adding a fragrance material to the wet paper sheet, a pulp raw fabric sheet is obtained by dehydrating and drying the wet paper sheet; and a processing step of an absorbent article in which the pulp raw fabric sheet is defibrated and an absorbent body is manufactured by fiber stacking this defibrated fluff pulp.

Incontinence absorbent article with cotton fiber front-surface sheet

To provide an absorbent article that uses a cotton fiber in a front-surface sheet, prevents rebounding, improves an absorption speed, and reduces a diffusion range of urine in the front-surface sheet. An incontinence pad 1 having a medium or larger volume that absorbs 20 cc or a larger volume of urine is provided. A front-surface sheet 3 is a spunlace nonwoven fabric made of 100% cotton fiber by weight, is coated with a water repellent agent and has many front-face/back-face penetrating openings 10 in a region containing a part corresponding to an excreting hole. The absorber is made of a pulp fiber that does not contain synthetic fiber and a superabsorbent polymer, a basis weight of the pulp fiber being 75 to 300 g/m.sup.2, a basis weight of the superabsorbent polymer being 85 to 185 g/m.sup.2, and a ratio of the pulp fiber and the superabsorbent polymer being pulp fiber:superabsorbent polymer=70 to 30% by weight:30 to 70% by weight.