Patent application number | Description | Published |
20080234651 | PANTS-TYPE DISPOSABLE WEARING ARTICLE - A pants-type disposable wearing article includes leg-circumferential first elastic members attached to crotch region's lateral margins of an outer sheet and waist-circumferential second elastic members attached to waist regions' upper margins of the outer sheet. The elastic members are joined to the sheet while the sheet and the second elastic members are stretched at given extension ratios, respectively, in a transverse direction and the first elastic members is stretched at a given extension ratio in the leg-circumferential direction so that the sheet and the first elastic members may have substantially the same leg-circumferential dimensions after these sheet and first elastic members have been relaxed and the sheet and the second elastic members may have substantially the same transverse dimensions after these sheet and second elastic members have been relaxed. In addition, the waist regions' upper margins and the crotch region's lateral margins are substantially planar. | 09-25-2008 |
20080269709 | DISPOSABLE WEARING ARTICLE WITH IMPROVED FASTENING ARRANGEMENT - A disposable wearing article includes first and second engagement members attached to the outer surface of a front waist region along transversely opposite side edge portions thereof so as to be spaced from each other by a given dimension in a longitudinal direction and third engagement members attached to in the inner surface of a rear waist region along transversely opposite side edge portions thereof. The first engagement members are laid on the respective side edge portions in longitudinally upper zones, the second engagement members are laid on the side edge portions in longitudinally lower zones, the third engagement members are laid on the side edge portions in longitudinally intermediate zones and hooks are respectively formed on the outer surface of the first and second engagement members and on the inner surface of the third engagement members. | 10-30-2008 |
20090095403 | PROCESS FOR MAKING DISPOSABLE ABSORBENT ARTICLE - In a disposable absorbent article such as a disposable diaper including fastener elements by means of which front and rear waist regions are releasably connected with each other, the fastener elements are not affected by contraction of elastic members arranged in these waist regions. In this absorbent article, the front waist region and/or the rear waist region is or are divided into an elasticized intermediate zone provided with the elastic members and inelasticized transversely opposite side edge zones contigious to transversely opposite side edges of the intermediate zone. The fastener elements are provided in the transversely opposite side edge zones. | 04-16-2009 |
20090105677 | DISPOSABLE ABSORBENT ARTICLE - In a disposable absorbent article such as a disposable diaper including fastener elements by means of which front and rear waist regions are releasably connected with each other, the fastener elements are not affected by contraction of elastic members arranged in these waist regions. In this absorbent article, the front waist region and/or the rear waist region is or are divided into an elasticized intermediate zone provided with the elastic members and inelasticized transversely opposite side edge zones contigious to transversely opposite side edges of the intermediate zone. The fastener elements are provided in the transversely opposite side edge zones. | 04-23-2009 |
20100018637 | METHOD FOR MAKING DISPOSABLE PANTS-TYPE DIAPER - The present invention provides a method of continuously making a disposable pants-type diaper having a body waste receiving pocket adapted to be easily aligned with the wearer's external genitals and anus. A first web comprising chassis continuously arranged in a transverse direction thereof is continuously fed in a machine direction MD wherein each of the chassis comprises a crotch region, a front waist region and a rear waist region. A second web comprising sheet members continuously arranged in the transverse direction thereof is continuously fed onto the first web wherein each of the sheet members is destined to be attached to the inner surface of the associated chassis in the crotch region thereof and thereby to form a body waste receiving pocket. The first web and the second web are bonded to each other along regions destined to define opposite side edges of the crotch region in the chassis to obtain first composite web. From the first composite web, a substantially circular section defined between each pair of the adjacent chassis in the middle region as viewed in a cross direction CD is clipped out to obtain a second composite web. A second composite web is folded in two and halves of the second web facing each other are locally bonded together in the middle region of each chassis as viewed in the machine direction MD by bonding agent to obtain a third composite web. The third composite web is provided on both sides of a cutting line extending in the cross direction CD with seal regions extending along the cutting line to obtain a fourth composite web and finally the fourth composite web is cut along the cutting line to obtain the individual pants-type diapers. | 01-28-2010 |
20100038018 | METHOD FOR MAKING DISPOSABLE PANTS-TYPE DIAPER - The present invention provides a method of continuously making a disposable pants-type diaper having a body waste receiving pocket adapted to be easily aligned with the wearer's external genitals and anus. A first web comprising chassis continuously arranged in a transverse direction thereof is continuously fed in a machine direction MD wherein each of the chassis comprises a crotch region, a front waist region and a rear waist region. A second web comprising sheet members continuously arranged in the transverse direction thereof is continuously fed onto the first web wherein each of the sheet members is destined to be attached to the inner surface of the associated chassis in the crotch region thereof and thereby to form a body waste receiving pocket. The second web is folded back onto itself in a cross direction CD and locally bonded to each other along opposite edges thereof at regular pitches each corresponding to a width of the individual chassis to obtain a third web having seal regions. The third web is superposed on the first web so that the seal region is located in the transverse middle of the chassis and then the first web and the third web are bonded to each other along regions corresponding to opposite side edges the crotch region in the chassis to obtain a first composite web. The first web in the first composite web is folded in the cross direction CD and superposed on the third web so that the first web and the third web overlap each other are bonded together along the regions destined to define the opposite side edges of the crotch region in the chassis to obtain a second composite web. From between the adjacent chassis in the second composite web, substantially semicircular web pieces are clipped out to obtain third composite web. The third composite web is provided on both sides of a cutting line extending in the cross direction CD with seal regions extending along the cutting line to obtain a fourth composite web and finally the fourth composite web is cut along the cutting line to obtain the individual pants-type diapers. | 02-18-2010 |
20100276070 | ABSORBENT WEARING ARTICLE AND PROCESS OF MAKING THE SAME - An absorbent wearing article including an air permeable and liquid-impervious backsheet and a liquid-retentive absorbent structure placed on the backsheet. An outer sheet has having elastic members is placed on and bonded to a surface of the backsheet opposed to its surface bonded to the absorbent structure. The outer sheet has the elastic members intermittently bonded under tension thereto, and is formed in a region thereof facing the absorbent structure with an opening. The elastic members extend laterally under tension from a peripheral edge of the opening beyond the absorbent structure and the first backsheet is exposed through the opening. | 11-04-2010 |
Patent application number | Description | Published |
20100211036 | PANTS-TYPE DIAPER - The present invention provides a disposable pants-type diaper including on a crotch region thereof a separator adapted to prevent feces from coming in contact with the wearer's skin. A basic structure has the crotch region, which is provided with a folded sheet piece attached thereto so as to form the separator. The folded sheet piece is obtained by folding back the sheet piece along a first transverse center line thereof to define a first half and a second half placed upon each other and bonding end edges of these two halves to each other at responsive middles of these end edges in a transverse direction. With the first transverse center line brought close to a second transverse center line, the folded sheet piece is placed upon the crotch region and the lateral edges of the first half are bonded to the crotch region while a region of the first half defined by the lateral edges is kept to be spaced from the crotch region. Then, the basic structure is folded back along the second transverse center line and the inner surface of the basic structure is bonded to the outer surface of the lateral edges of the second half while a region of the second half defined between the lateral edges is kept to be spaced from the crotch region. Of the basic structure folded back in this manner, the front and rear waist regions are bonded along the lateral edges to make the basic structure in a pants-shape. | 08-19-2010 |
20120165774 | DISPOSABLE WEARING ARTICLE - 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. | 06-28-2012 |
20120226255 | DISPOSABLE 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. | 09-06-2012 |
20120253306 | 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. | 10-04-2012 |
20120253307 | PANT-TYPE DISPOSABLE WEARING ARTICLE - 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. | 10-04-2012 |
20120259307 | DISPOSABLE WEARING ARTICLE - 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. | 10-11-2012 |
20120283682 | DISPOSABLE WEARING ARTICLE - 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. | 11-08-2012 |
20120289920 | DISPOSABLE PANTS-TYPE WEARING ARTICLE - The present invention provides a disposable pants-type wearing article using belt-like leg elastic member. Respective opposite side edges of front and rear waist regions of a disposable pants-type wearing article are fusion-bonded together to define put flat and joined together regions. Belt-like 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 put flat and joined together 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 lie below the other pair of the lower edges. The one pair of the lower edges are fusion-bonded to at least one of a sheet-like member and a sheet-like member covering the other pair of the lower edges at a level lower than the other pair of the lower edges. | 11-15-2012 |
20120289922 | DISPOSABLE PANTS-TYPE WEARING ARTICLE - 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. | 11-15-2012 |
20120296294 | ABSORBENT STRUCTURE FOR BODILY FLUID-ABSORBENT WEARING ARTICLE - The present invention to provide an absorbent structure adapted to prevent the liquid-absorbent materials from falling off the wrapping sheets. An aggregate of liquid-absorbent materials in an absorbent structure has an inner surface covered with a first wrapping sheet and an outer surface and lateral surfaces covered with a second wrapping sheet. The first wrapping sheet and the second wrapping sheet respectively have first extended portions lying outboard of the lateral surfaces and second extended portions wherein the first extended portions and the second extended portions are put flat and bonded together to form laminated regions. The laminated regions cover the lateral surfaces of the aggregate and part of the outer surface which, in turn, covers these lateral surfaces and the outer surface. | 11-22-2012 |
20150032072 | 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. | 01-29-2015 |
20150051569 | DISPOSABLE WEARING ARTICLE - 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. | 02-19-2015 |