Unicharm Corporation

Uni-charm Co., Ltd.

Toshifumi Otsubo

Shunsuke Takino

Nariaki Shimoe

Toru Sasaki

Hiroki Yamamoto

Mariko Yamashita

Yoshitaka Mishima

Hiroyuki Tanji

Yasushi Inoue

Tomoko Sugito

Yusuke Kawakami

Makoto Ichikawa

Naoto Ohashi

Hiroyuki Soga

Yoshinori Kumasaka

Sachiyo Suzuki

Mariko Takeuchi

Etsuko Kudo

Jun Okuda

Shinichi Ishikawa

Tetsuo Okubo

Tomoko Sugita

Takamitsu Igaue

Yasuhiko Kenmochi

Yasushi Sayama

Takaaki Shimada

Kazuaki Onishi

Norihiko Ishikawa

Hideaki Kitaoka

Taishi Nakamura

Naomi Suzuki

Takako Uosawa

Yoko Yabe

Akiko Tange

A disposable wearing article includes, in an inner end portion of a front waist region, a pair of first side elastic zones spaced apart from each other in a transverse direction and a first middle inelastic zone lying between the first side elastic zones. The article further includes, in an inner end portion of a rear waist region, a pair of second side elastic zones spaced apart from each other in the transverse direction and a second middle inelastic zone lying between the second side elastic zones. A crotch panel includes a pair of leg elastics intersecting with the first and second side elastic zones. A dimension in the transverse direction of the second middle inelastic zone is larger than that of the first middle inelastic zone. A dimension in the transverse direction of the respective first intersection zones is larger than that of the respective second intersection zones.

Disposable wearing article

A disposable wearing article includes an annular elastic waist panel having a front waist panel and a rear waist panel joined to each other and a crotch panel provided with an absorbent structure and connected to the elastic waist panels. Respective inner end edges of the front and rear waist panels cooperate with lateral edges of the crotch panel extending in a longitudinal direction to form a pair of leg-openings' peripheries. The crotch panel includes a pair of leg sheets connected to both lateral edges of the absorbent structure. The respective leg sheets include inner regions adjoining to the absorbent structure and outer regions adjoining the inner regions so that the inner regions rise above the absorbent structure along both lateral edges of the absorbent structure to define the leg-openings' peripheries and the outer regions are bent outwardly in the transverse direction so as to define the leg-openings' peripheries.

A wearing article includes front and rear side edges respectively joined by seam arrays extending in a longitudinal direction Y, a waist-opening, and a pair of leg-openings. The wearing article further includes an inner sheet, an outer sheet and a liquid-absorbent core sandwiched between these inner and outer sheets. The inner and outer sheets are formed of heat-sealable fibrous nonwoven fabrics containing thermoplastic synthetic resins. Each of the seam arrays of the diaper includes a plurality of seam-welded regions and a seam-nonwelded region left behind in the seam array. In the seam array, the seam-welded regions arranged so as to be aligned in longitudinal and transverse directions, each substantially shaped in a square, partially lack at a position differentiated for every one of specified patterns.

Disposable wearing articles and a seam welder used to form the same

In a disposable wearing article, a first waist region is elasticized and formed of an inner sheet and an outer sheet. The non-skin-facing side of the outer sheet is formed substantially over its entire area with a plurality of thermocompression-bonded spots regularly and intermittently arranged at predetermined intervals. The outer sheet has non-thermocompressed regions surrounded by a plurality of thermocompression-bonded spots. A fibrous layer lying at least on the outer surface of said outer sheet is formed of thermal adhesive crimped fibers which are bonded together by thermocompression-bonding treatment in the thermocompression-bonded spots. The outer sheet and the inner sheet are bonded to each other by adhesive applied on at least one of respective opposite surfaces thereof so that the crimped fibers in the non-thermocompressed regions may protrude outward in a thickness direction of the outer sheet as the inner sheet contracts in the direction of the transverse axis Q.

A disposable wearing article includes, in an elastic region in a periphery of at least a waist- or leg-opening, an elastic band formed of a fibrous non-woven fabric which is elastically contractible and has a plurality of first gathers extending in a length direction so as to undulate in a width direction thereof.

Disposable wearing article with elastic bands

A disposable wearing article includes a front side edges lying in a front waist region, rear side edges lying in a rear waist region and crotch side edges lying in a crotch region. A chassis of the diaper includes a first backsheet forming the front waist region and a part of the crotch region and a second backsheet forming the rear waist region and a part of the crotch region. The front and rear waist regions are provided with first front and rear waist elastic yarns or threads and front and rear region elastic sheets, and the crotch region is provided along the crotch side edges with front and rear leg elastic elements. Ends of front leg elastic elements on one side overlap the front side edges. Ends of the rear leg elastic elements on one side overlap the rear side edges.

The present invention provides a disposable wearing article having a position indicator mark formed on a crotch member and overlapped by front and rear waist members. Front and rear waist members overlap front and rear ends, respectively, of a crotch member and are bonded thereto to define first and second overlapping regions and an intermediate region extending between these first and second overlapping regions. A position indicator mark is formed in the first overlapping region, a graphic of fish is portrayed as a crotch graphic element in the second overlapping region and graphics of fish are portrayed in the intermediate region as crotch graphic elements. In the first overlapping region, a front waist sheet of the front waist member overlaps a front graphic film on which a graphic of penguin is portrayed as a front graphic element which, in turn, overlaps the position indicator mark.

A pant-type disposable wearing article includes at least one waist region of front and rear waist regions, which includes an inner sheet lying on the skin-facing side and an outer sheet lying on the non-skin-facing side. The inner sheet has a contractile force higher than that of the outer sheet at least in the transverse direction X. Opposite lateral sections of the inner sheet and opposite lateral sections of the outer sheet are permanently bonded together and extend outward in the transverse direction X from arrays of side seam spots to form front flaps and rear flaps defining protruding rims. The front flaps and the rear flaps are curled inwardly. This article is improved so that opposite side edges do not irritate a wearer's skin even if the wearer's skin comes in contact with these side edges and, in addition, good appearance from a lateral view is assured.

Pants-type disposable wearing article

The present invention aims to provide a disposable wearing article improved so that front and rear waist regions may assure desired fitness without adversely affecting an absorption capacity of a bodily fluid-absorbent core assembly. At least one of front and rear waist regions includes an inner sheet lying on a skin-facing side and having stretch properties and an outer sheet lying on a non-skin-facing side and having a low elastic contractile force. In a section of this one waist region occupied by a liquid-absorbent core assembly including a bodily fluid-absorbent core, the inner sheet is partially cut to define a perforated region. Adhesive used to bond the liquid-absorbent core assembly to the inner sheet and adhesive used to bond the inner sheet to the outer sheet are put in contact with and joined to each other through openings developed by partially cutting the inner sheet.

A wearing article has a chassis and leg elastic members of a flat band shape that are attached to the chassis along leg side edges thereof. The chassis has regions each of which overlaps one of the leg elastic members and includes at least one series of depressions extending along the respective leg side edge.

Wearing article

The present invention provides a disposable wearing article adapted to inhibit sweating and an uncomfortable stuffiness. Front and rear waist regions of a disposable wearing article have inner surfaces thereof at least partially formed of elastic sheets. The elastic sheets are made of a mixture of elastic fibers and inelastic fibers and formed with ridges and grooves. The elastic sheets have a thickness in the ridges repetitively reduced and restored as the elastic sheets repeat elastic stretch and contraction in the waist circumferential direction.

The present invention provides a disposable pants-type wearing article free from possibility that upper regions of the leg-openings' peripheral edges might be formed with frills even when the belt-like leg elastic members contract along the peripheral edges of the respective leg-openings. Belt-like leg elastic members in a disposable pants-type diaper each has inner and outer surfaces at least one of which is bonded to sheet-like members included in put flat and joined together regions and a crotch region of the diaper. The belt-like leg elastic members extend from the respective put flat and joined regions along leg-openings' peripheral edges. Over ranges in which the belt-like leg elastic members extend along the respective peripheral edges the sheet-like members also extend along the peripheral edges.

Disposable pants-type wearing article

A chassis of a diaper includes a first outer sheet defining a front waist region and a part of a crotch region, a second outer sheet defining a rear waist region and a part of the crotch region and a middle sheet connecting these sheets and defining a part of the crotch region. To the skin-facing side of the chassis, a liquid-absorbent structure is attached. The liquid-absorbent structure is provided with first and second elastic sheets overlapping front and rear ends of the liquid-absorbent structure, respectively. The first elastic sheet is attached under tension in a transverse direction and in contractible manner between a bottom surface of the liquid-absorbent structure and the first outer sheet and the second elastic sheet is located on a skin-facing surface of the liquid-absorbent structure and attached thereto under tension in the transverse direction and in contractible manner.

Disposable wearing article with elastic sheets

The present invention aims to provide a pants type disposable diaper free from noticeable gathers formed on the innermost side of the crotch region. In the crotch region of the pants type disposable diaper, the bodily fluid-absorbent core is sandwiched between the liquid-permeable inner sheet and the liquid-impermeable outer sheet. Further inside the inner sheet, the innermost sheet is provided and this innermost sheet prevents the inner sheet from coming in contact with the wearer's skin. The innermost sheet is joined, in the regions extending in the vicinity of the ends thereof opposite in the front-back direction A, to at least one of the inner sheet and the outer sheet. The innermost sheet includes, in its region defined on the transverse center line P of the diaper, the tuck extending downward toward the inner sheet.

Pants type disposable diaper

A disposable pants-type wearing article includes belt-shaped leg elastic members. Respective opposite side edges of front and rear waist regions of the article are fusion-bonded together to define joined regions. The belt-shaped leg elastic members respectively have front side upper ends lying in the front waist region and included by the put flat and joined together regions and rear side upper ends lying in the rear waist region and included by the put flat and joined together regions. In the joined regions, lower edges of the upper ends and lower edges of the rear side upper ends are displaced one from another in such a manner that the one pair of the lower edges lies below the other pair of the lower edges.

Growing community of inventors

Kagawa-ken, Japan

Toshifumi Otsubo