Paragon Trade Brands, Inc.

Japan Absorbent Technology Institute

Unitika Ltd.

Hiroaki Fukui

Migaku Suzuki

Koichi Nagaoka

Michiyo Iimi

Yoshihiko Mineda

The present invention is directed to provide a diaper having a pocket structure which includes a breakage-resistant hydrophobic topsheet and an apertured portion of proper size which is surrounded by a strengthened inner periphery and provides an improved leakage protection effect. The present invention is further directed to a method of manufacturing such diaper which enables economical and simplified process operation. A diaper is,provided wherein an absorbent body is interposed between a liquid impermeable backsheet and an apertured hydrophobic topsheet to form side, front and rear end portions of the diaper. The hydrophobic topsheet includes two separate sheets each having alternating concave portion and convex portions defined by a wavy side edge. The two sheets are arranged to face to each,other so that the convex portions thereof partially overlay each other at front and rear end portions of the diaper to form pocket portions. The concave portions each have a flap portion which is folded over a predetermined width to enclose an elastic member and the flap portions face each other to bound an apertured portion therebetween.

Disposable diaper having pocket containments and a method for manufacturing the same

An absorbent article having a main body having a front waist portion, a rear waist portion, a waist hole, two leg holes and a pair of elastic leakage protective members is disclosed. The elastic leakage protective members cooperate with the respective leg holes. The elastic leakage protective members cover at least part of the respective openings of the leg holes. Each of the elastic leakage protective members may have edge portions that form a pocket for holding body exudates.

Absorbent article and method of manufacture

An absorbent article having a main body which includes a backsheet formed of a liquid impermeable sheet, a topsheet formed of a liquid permeable sheet, an absorbent core interposed between the backsheet and the topsheet, and leg gathers disposed along leg holes. Two sets of elastic members are, in a stretched state, bonded to a non-woven fabric along the leg holes. Each set of elastic members is not bonded to the non-woven fabric in a region which traverses a crotch region to extend from one of the leg holes to the other, and is cut in the non-bonded region so that the elastic members snap back toward crossing points where the two sets of the elastic members meet to form tails.

Absorbent article and method of manufacturing the same

A sintered porous composite sheet, comprising an A/B-component layer in which the A-component layer is easily fusible and the B-component layer has a relatively higher thermal stability as compared with the A-component layer. The layers are superposed and sintered. The A-component layer comprises a hydrophilic material, the B-component layer comprises a hydrophobic material, and the A-component and B-component may include a common material comprising an easily fusible material. The porous composite sheet is air and moisture permeable, and is readily adaptable for use in sanitary and medical applications.

Porous composite sheet and process for the production thereof

Composite elastic material having multistage elongation characteristics

An absorbent article incorporating a main body which has a waist hole and a pair of leg holes, and comprises a topsheet positioned in a facing relation to a wearer's body, a backsheet positioned opposite thereto, and an absorbent core interposed between the backsheet and the topsheet. The topsheet is a composite which comprises two layers of sheet material and two elastic members sandwiched between the two sheets of material. The topsheet further has communicating means disposed in a crotch region of the absorbent article for receiving body exudates. The communicating means is surrounded by the elastic members which form leg gathers, and serves as a passage to communicate body exudates to a space defined between the topsheet and the backsheet. The absorbent article of the present invention can provide excellent flexibility, a snug fit and comfort to a wearer during use, while effectively preventing leakage from the leg gathers.

Absorbent article including first and second apertures and elastic

According to the present invention, there is provided a sanitary article comprising a main body having a liquid-impermeable back sheet, a liquid-permeable front sheet and an absorbent material and leg holes having at the opposed edge portions of the main body, further comprising fixation means forming a flexible ring which are fitted closely over the entire circumference of the proximal portion of each of the wearer's legs. The article to which the present invention is directed includes both the diaper and the sanitary napkin and, hence, as the main body, either of one taking the form of underpants when worn, which has a size enough to cover the wearer's entire waist portion, and of a relatively small one which covers only the wearer's crotch portion is used, The sanitary article according to the present invention follows the wearer's movement when it is worn, and the main body does not offset from a predetermined position, but an intended absorbing effect can be displayed to the maximum extent and yet the accidental leakage cannot occur.

Sanitary article with improved fitness

A nonwoven fabric of superior uniaxial elasticity is provided. The nonwoven fabric comprises of conjugate filaments each of which is about concentric sheath-core type. Core component is composed of polyester and sheath component is composed of polyolefine. In the nonwoven fabric, heat bonded areas are interspersed by heat bonding the conjugate filaments one another by softening or melting the sheath component. The nonwoven fabric satisfies following four properties concurrently: (i) breaking elongation in cross direction is 150% or more, (ii) ratio of breaking elongation in cross direction to breaking elongation in machine direction is 5 or more, (iii) percentage of elastic recovery at the time of extending the nonwoven fabric by 50% in cross direction is 60% or more, and (iv) percentage of elastic recovery at the time of extending the nonwoven fabric by 100% in cross direction is 50% or more. A heat is partially applied to a filamentous web, thereby obtaining a filamentous fleece. The filamentous fleece is extended in cross direction and a heat drawing is applied to the filamentous fleece at a drawing ratio of 10 to 80% in machine direction, and a heat setting is applied to the filamentous fleece, thereby an elastic nonwoven fabric is obtained.

Uniaxially elastic nonwoven fabric

Absorbent article and method of manufacturing article

According to the present invention, there is provided a sanitary article comprising a main body having a liquid-impermeable back sheet, a liquid-permeable front sheet and an absorbent material and leg holes having at the opposed edge portions of the main body, further comprising fixation means forming a flexible ring which are fitted closely over the entire circumference of the proximal portion of each of the wearer's legs. The article to which the present invention is directed includes both the diaper and the sanitary napkin and, hence, as the main body, either of one taking the form of underpants when worn, which has a size enough to cover the wearer's entire waist portion, and of a relatively small one which covers only the wearer's crotch portion is used. The sanitary article according to the present invention follows the wearer's movement when it is worn, and the main body does not offset from a predetermined position, but an intended absorbing effect can be displayed to the maximum extent and yet the accidental leakage cannot occur.

A stretchable absorbent article, such as a diaper, a sanitary product or other absorbent member, comprises a liquid permeable layer, and a liquid impermeable elastic layer stretchably secured to the liquid permeable layer at discrete regions so as to form regions of nonsecurement between the discrete regions of securement. The liquid permeable layer forms corrugations at respective regions of nonsecurement for respectively defining channels between the liquid permeable layer and the liquid impermeable elastic layer. Absorbent material is disposed in selected ones of the channels.

Stretchable absorbent article

An absorbent structure in accordance with the present invention comprises a flexible shaped member having a raised peripheral rim to form a containment space for receiving body exudates. The shaped member comprises a first portion, and a second portion extending rearwardly from a rear end of the first portion. The first portion has along its side edges symmetrical indentations so that the first portion has a plan configuration including a generally rectangular front segment, and inwardly contoured side edges respectively extending rearwardly from the front segment in a diverging manner into the second portion. The second portion has a generally rectangular plan configuration wider than the first portion, so that the shaped member has a generally anvil-shaped, overall plan configuration. The absorbent structure further comprises absorbent material disposed in the first portion. The absorbent material is absent in the second portion to leave a void space therein for receiving fecal material. A liquid permeable top sheet overlies the shaped member for covering the containment space thereof.

Garment absorbent structure

An absorbent article is disclosed comprising a liquid impermeable outer cover having a front section and a rear section, and an elongated absorbent element having a front end, a rear end and opposite side edges and including an absorbent material. The elongated absorbent element is supported at its front and rear ends on the outer cover in a suspended manner to extend longitudinally between the front and rear sections of the outer cover for spacing the opposite side edges from the outer cover. The elongated absorbent element further includes an elastic element so as to be elastically stretchable and contractable relative to the outer cover.

Growing community of inventors

Saitama, Japan

Hiroaki Fukui