A61F13/4902

ABSORBENT ARTICLE WITH SELECTIVELY POSITIONED WAIST CONTAINMENT MEMBER HAVING AN IMPROVED WAIST SEAL
20170239104 · 2017-08-24 ·

An absorbent article can include a chassis including an absorbent body. The chassis can include a body facing surface. The absorbent article can also include a waist containment member. The waist containment member can include a proximal portion coupled to the body facing surface of the chassis and a distal portion that includes a distal edge. The proximal portion includes proximal portion elastic members and the distal portion can include distal portion elastic members. The distal portion can be free to move with respect to the chassis when the absorbent article is in a relaxed configuration.

Absorbent article having elastic belt

Disclosed is an absorbent article continuous in a longitudinal direction and a transverse direction comprising a front elastic belt region, a back elastic belt region, a crotch region, a waist opening and two leg openings; the front and back elastic belt regions being a laminate comprising an inner sheet made of nonwoven fiber, and an outer sheet made of nonwoven fiber, and a plurality of elastic bodies configured to stretch the front and back elastic belt regions in the transverse direction, the outer sheet having a material caliper of at least about 0.25 mm at 500. Pa; the article further comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet; the absorbent core existing through the entire longitudinal dimension of the crotch region and extending at least partly in the back elastic belt region; the back elastic belt region having a maximum caliper MaxBC and a minimum caliper MinBC according to the measurements herein, wherein the difference between the MaxBC and the MinBC is no greater than about 5 mm.

ELASTIC COMPOSITE AND ABSORBENT ARTICLE INCLUDING THE SAME
20170231835 · 2017-08-17 ·

An elastic composite (10, 110, 210, 310) can include a first layer (20, 120, 220, 320), a second layer (22, 122, 222, 322), and a third layer (24, 124, 224, 324). The third layer (24, 124, 224, 324) can be formed by at least one elastic material (32, 132, 232, 332) and can be coupled to the second layer (22, 122, 222, 322) when the elastic material (32, 132, 232, 332) is in an extended condition. The first layer (20, 120, 220, 320) can be coupled to the second layer (22, 122, 222, 322) near the first and second longitudinal edge (16, 18) but can be independent of the second layer (22, 122, 222, 322) therebetween such that the first layer (20, 120, 220, 320) forms gathers (36, 136, 236, 336) when the elastic composite (10, 110, 210, 310) is in a retracted condition.

DISPOSABLE DIAPER AND METHOD FOR MANUFACTURING DISPOSABLE DIAPER
20170224546 · 2017-08-10 ·

In this disposable diaper, a compound stretchable member is provided to a waist portion, and the compound stretchable member is provided with a plurality of elastic members extending in a waist direction, and an inside nonwoven fabric sheet portion and an outside nonwoven fabric sheet portion superposed so as to be joined to each other via the elastic members. The waist portion includes a first region and a second region provided continuously with or separately from the first region in a direction orthogonal to and the waist direction, and protruding parts and recessed parts of an unevenness region are provided at a first unevenness pitch in the compound stretchable member disposed in the first region along the waist direction, and are provided at a second unevenness pitch different from the first unevenness pitch in the compound stretchable member disposed in the second region.

Latent elastic composite formed from a multi-layered film

A nonwoven composite that exhibits latent elastic properties is provided. The composite is formed from a multi-layered, elastic film laminated to a nonwoven web facing. Latent elasticity is imparted to the composite through the use of at least one base layer that contains a thermoplastic elastomer and at least one skin layer that contains a propylene/α-olefin copolymer. During formation, the film is stretched in one or more directions to orient the elastomer chains. Without intending to be limited by theory, the present inventors believe that the oriented state of the chains may be held in place by the relatively stiff semi-crystalline domains of the propylene/α-olefin copolymer. The stretched elastic film may subsequently be relaxed and bonded to a nonwoven web facing to form the composite. The composite may be later activated (e.g., heated at or above the softening point of the copolymer) to soften the crystalline domains and allow the chains to return to their unoriented state. This causes the film to retract, which forms buckles in the nonwoven facing. In this manner, the resulting composite becomes elastic in that it has the ability to stretch and recover due to the “latent” buckle formation in the nonwoven facing.

TRANSVERSELY EXTENSIBLE CONTINUOUS ELASTIC LAMINATE, AND A METHOD FOR PRODUCING THE SAME
20220265481 · 2022-08-25 ·

A transversally extensible elastic laminar web including a support web having a continuous edge portion sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the edge portion outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

TRANSVERSELY EXTENSIBLE CONTINUOUS ELASTIC LAMINATE, AND A METHOD FOR PRODUCING THE SAME
20220265482 · 2022-08-25 ·

A transversally extensible elastic laminate including two continuous tab chains having respective continuous base portions sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the respective base portions outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

NONWOVEN WEB MATERIAL HAVING BONDING FAVORABLE FOR MAKING DIRECTIONAL STRETCH LAMINATE, AND DIRECTIONAL STRETCH LAMINATE

A stretch laminate is disclosed. The stretch laminate may include a first layer; a second layer; and one or more elastic members disposed between the first layer and the second layer. The first layer may include a nonwoven web material bearing a pattern of thermal bonds, including a plurality of bonds each having a length and a width, the length being oriented perpendicularly to the stretch direction and being greater than the width, for a majority of the bonds. The elastic member(s) may be joined with the first layer and the second layer while pre-strained in the stretch direction; when the stretch laminate is in a relaxed condition, at least the first layer may include a plurality of gathers comprising elongate ridges and valleys oriented transversely to the stretch direction. A disposable absorbent pant having an elasticized belt structure including the stretch laminate, is also disclosed.

EXTENSIBLE LAMINAR MATERIAL, IN PARTICULAR FOR SANITARY ARTICLES, AND RELATIVE MANUFACTURING METHOD
20170252229 · 2017-09-07 ·

A transversely extensible elastic laminar web material comprising a first and a second web material each of which defines a first and a second distal region adjacent to corresponding longitudinal side edges and a central region between the aforesaid distal regions, at least one web of elastomeric material applied to these central regions of the first and second web materials and a plurality of connection formations applied to at least one distal region of said first and second web materials and projecting from a respective longitudinal edge. In the transversely extensible elastic laminar web material, the elastomeric web material and the connection formations are interposed between said first and second web materials and are joined thereto by mechanical welds.

METHODS AND APPARATUSES FOR MAKING ELASTOMERIC LAMINATES WITH ELASTIC STRANDS PROVIDED WITH A SPIN FINISH
20210401634 · 2021-12-30 ·

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.