A61F2013/15869

WATER-DISPERSIBLE FLUID ABSORBER
20220062065 · 2022-03-03 · ·

A water-dispersible fluid absorber such as a sanitary pad includes a water-dispersible top layer; a water-dispersible absorbent layer; a leakproof layer of a polyvinyl alcohol; and a water-dispersible bottom layer. The leakproof layer is bonded to the top layer and the bottom layer by ultrasonic welding. A method of manufacturing a water-dispersible fluid absorber such as a sanitary pad includes assembling a water-dispersible top layer, a water-dispersible absorbent layer, a leakproof layer of a polyvinyl alcohol and a water-dispersible bottom layer; and bonding the leakproof layer to the top layer and the bottom layer by ultrasonic welding. A further water-dispersible fluid absorber includes a cellulose-based super absorbent material, an alginate-based super absorbent material, a chitosan-based super absorbent material, and/or a polyethylene glycol-based super absorbent material. A further water-dispersible fluid absorber comprises a thick portion formed to create a raised area under the perineum. A further water-dispersible fluid absorber includes a pressure sensitive adhesive arranged in a plurality of portions.

ABSORBENT ARTICLES WITH CORRUGATED ELASTOMERIC LAMINATES AND METHODS FOR MAKING CORRUGATED ELASTOMERIC LAMINATES

The present disclosure relates to absorbent articles and methods for manufacturing absorbent articles, and elastomeric laminates and methods for making corrugated elastomeric laminates that may be used as components of absorbent articles.

Apparatuses and methods for making absorbent articles with elastomeric laminates

The present disclosure relates to methods and apparatuses for making elastomeric laminates with deactivated regions that may be used as components of absorbent articles. The methods and apparatuses may be configured with a pattern roll and a pressing surface adjacent the pattern roll. The pattern roll may include a bonding surface and a protuberance. As the pattern roll rotates, first and second substrates are welded together between the bonding surface and the pressing surface to create bonds between the first and second substrates. As the pattern roll continues to rotate, the first and second substrates and one or more stretched elastic strands are compressed between the pressing surface and the protuberance to sever the one or more stretched elastic strands to create deactivated regions in the elastomeric laminate. The processes and apparatuses may be configured to help prevent ends of the severed elastic strands from retracting in an uncontrolled fashion.

ELASTIC LAMINATES AND METHODS FOR ASSEMBLING ELASTIC LAMINATES FOR ABSORBENT ARTICLES

The present disclosure relates to elastic laminates and methods for assembling elastic laminates that may be used to make absorbent article components. Elastic laminates may include one or more reinforcement layers positioned between unstretched portions of elastic materials and substrates to which the elastic materials are bonded.

LAMINATE(S) COMPRISING BEAMED ELASTICS AND ABSORBENT ARTICLE(S) COMPRISING SAID LAMINATE(S)

The present disclosure relates to one or a combination of an absorbent article's chassis, inner leg cuffs, outer leg cuffs, ear panels, side panels, waistbands, and belts that may comprise one or more pluralities of tightly spaced (less than 4 mm, less than 3 mm, less than 2 mm, and less than 1 mm) and/or very fine (less than 300, less than 200, less than 100 dtex) and/or low strain (less than 300%, less than 200%, less than 100%) elastics to deliver low pressure less than 1 psi (according to the conditions defined by the Pressure-Under-Strand method below) under the elastics, while providing adequate modulus of (between about 2 gf/mm and 15 gf/mm) to make the article easy to apply and to comfortably maintain the article in place on the wearer, even with a loaded core (holding at least 50 mls of liquid), to provide for the advantages described above.

Method for fabricating absorbent articles

The present invention relates to a method for fabricating absorbent article having multiple layers, and deformed zones of targeted performance, and colored regions, the method comprising the steps of forming discrete features on at least one layer, printing colored regions on at least one layer, integrating multiple layers to form an absorbent assembly, and cutting the absorbent assembly into individual absorbent articles, wherein the steps are carried out continuously.

Apparatus and method for application of discrete material segments to running web material

An apparatus and method for applying discrete segments to a continuous web includes feeding a first continuous web to a roller, the first continuous web comprising one or more layers, feeding a second continuous web to a vacuum anvil, cutting the first continuous web into a plurality of discrete segments via interaction of the roller with at least one cutting element selectively positionable adjacent the roller, transferring each of the plurality of discrete segments from the roller onto the second continuous web at a first location and via a vacuum pressure from the vacuum anvil, and bonding each of the plurality of discrete segments to the second continuous web at a second location downstream from the first location in a machine direction, each of the plurality of discrete segments bonded to the second continuous web via interaction of the vacuum anvil with a bonding device positioned at the second location.

HYGIENE ARTICLE COMPRISING A SKIN PROTECTION SHEET WITH WELL POSISTIONED OPENING(S)
20210315745 · 2021-10-14 ·

The present invention relates to the field of hygiene appliances, in particular to a means for reducing soiling of the skin of a wearer upon defecation. In particular, it relates to a hygiene article comprising a skin protection sheet that comprises a discontinuity as a faeces passageway, such as an opening or a slit. In use, the sheet and the discontinuity are urged towards the anus by a pull means and spread open by a spreading means, such that faeces can pass through the discontinuity but are separated from the skin of the wearer elsewhere.

Methods and apparatuses for making elastomeric laminates with elastic strands provided with a spin finish

The present disclosure relates to methods for making elastomeric laminates that may be used as components of absorbent articles. The elastomeric laminates may include a first substrate, a second substrate, and an elastic material located between the first and second substrates. During assembly of an elastomeric laminate, a beam is rotated to unwind the elastic strands from the beam, wherein the strands may include a spin finish. First bonds are applied to bond discrete lengths of the stretched elastic strands with and between the first substrate and the second substrate, wherein the discrete first bonds are arranged intermittently along the machine direction. In addition, second bonds are applied between consecutive first bonds to bond the first and second substrates directly to each other, wherein the second bonds extend in the machine direction and may be separated from each other in a cross direction by at least one elastic strand.

Methods and apparatuses for making elastomeric laminates

The present disclosure relates to methods for making elastomeric laminates that may be used as components of absorbent articles. Aspects of the methods for assembling elastomeric laminates may utilize elastic strands supplied from beams that may be joined with first and second substrates, and may be configured to carry out various types of operations, such as bonding and splicing operations.