Patent application number | Description | Published |
20100049153 | COMPOSITE SHEET AND ABSORBENT ARTICLE COMPRISING COMPOSITE SHEET - A composite sheet which has a low basis weight, can be prevented from breaking during the production of an absorbent article or in use, and is good to the touch. The composite sheet is a sheet formed by bonding a stretch nonwoven fabric to a nonstretch nonwoven fabric with an adhesive. The stretch nonwoven fabric is bonded in a stretched state to the nonstretch sheet. The stretch nonwoven fabric has, on each side, strip-form sparse regions and strip-form dense regions alternately formed. The sparse regions and dense regions on one side are alternately formed in a second direction so that the dense regions on this side do not overlie the dense regions on the other side. The composite sheet has a maximum breaking strength of 20 N/50 mm or higher. | 02-25-2010 |
20100209667 | NONWOVEN STRETCH FABRIC - A nonwoven fabric which, even when having a low basis weight, has a wide stretch range at time of use. It is inhibited from breaking or decreasing in strength upon stretching. It feels good to the touch and has excellent cushioning properties and high air permeability. The nonwoven stretch fabric has a longitudinal direction and a transverse direction perpendicular to the longitudinal direction. It has, arranged on each side, strip-form sparse regions extending in the longitudinal direction and strip-form dense regions extending likewise, the two kinds of regions being alternately and successively arranged in the transverse direction. The strip-form dense regions on one side and those on the other side are alternately arranged in the transverse direction. The nonwoven stretch fabric is constituted of a mixture of stretched fibers and stretchable fibers or is composed of stacked layers of these two kinds of fibers. The stretched fibers include stretched fibers which have been partly stretched in the area located between each of the strip-form dense regions on that one side and the adjacent one of the strip-form dense regions on the other side. The fibers constituting the partly stretched fibers have an average fiber diameter of 12-21 μm. | 08-19-2010 |
20110172626 | DISPOSABLE DIAPER - A disposable diaper having a longitudinal direction, a transverse direction, a side facing the wearer's skin and a side facing away from the wearer's skin and including a front waist region, a rear waist region, a crotch region extending between the front and rear waist regions, a waist-opening, a pair of leg-openings, an elastic front waist panel defining the front waist region, an elastic rear waist panel defining the rear waist region and a liquid-absorbent chassis containing a liquid-absorbent core. The front and rear waist panels are formed of elastic sheets lying on the side facing the wearer's skin and front and rear ends of the liquid-absorbent chassis are attached to the elastic sheets on the side facing away from the wearer's skin thereof. In the front and rear waist regions or at least in the rear waist region a region of the elastic sheets facing the liquid-absorbent core is partially formed with low elasticity zones having a tensile stress lower than that in other zones of the waist region. | 07-14-2011 |
20110178489 | DISPOSABLE DIAPER - A disposable diaper having a tensile stress well compatible with a wearer's average body contour including convex and concave and thereby to reduce creating an uncomfortable feeling of tightness against the wearer. The disposable diaper including a front waist region that is divided into a first elastic zone extending in the transverse direction along a peripheral edge of the waist-opening, a second elastic zone lying next to the first elastic zone and extending in the transverse direction and a third elastic zone lying next to the second elastic zone extending in the transverse direction between the second elastic zone and the crotch region and the rear waist region is divided into a fourth elastic zone extending in the transverse direction along the peripheral edges of the waist-opening, a fifth elastic zone lying next to the fourth elastic zone and extending in the transverse direction and a sixth elastic zone lying next to the fifth elastic zone and extending in the transverse direction between the fifth elastic zone and the crotch region. The correlation among values of the tensile stress in the elastic zones can be represented by the sixth elastic zone>the second elastic zone>the third elastic zone≧the fifth elastic zone>the first elastic zone and the fourth elastic zone. | 07-21-2011 |
20130079741 | THIN ABSORBENT ARTICLE - Disclosed is an absorbent article containing an absorbent body which is thin before absorption, and even after absorption does not inhibit super absorbent polymer (SAP) swelling and wherein deformation such as twisting is unlikely to occur. The disclosed absorbent article comprises a liquid-permeable front surface sheet, a liquid impermeable rear surface sheet, and an absorbent body which is located between the two sheets. The absorbent body is formed from a super absorbent polymer containing layer and a non-woven fabric layer, with the non-woven fabric layer having regions wherein the between-fibre void ratio is relatively large and regions wherein the between-fibre void ratio is relatively small. The tip sections of the fibres forming the non-woven fabric layer are greater in number in the regions wherein the between-fibre void ratio is relatively large than the regions wherein the between-fibre void ratio is relatively small, and the non-woven fabric layer has expansibility. | 03-28-2013 |
20130172842 | NONWOVEN FABRIC, ABSORBENT ARTICLE COMPRISING THE SAME, AND METHOD OF FORMING THE SAME - A nonwoven fabric with excellent feel on the skin, excellent air permeability and liquid permeability, and high deformability and superior recoverability. The nonwoven fabric comprises composite fibers that include a first component, and a second component having a lower melting point than the first component, wherein detached portions are created by detaching at least a portion of the second component from the first component and/or the residual portion of the second component, and at least some of the detached portions are tangled and/or fused with other composite fibers. | 07-04-2013 |
20130280481 | NONWOVEN FABRIC, ABSORBENT ARTICLE COMPRISING THE SAME, AND METHOD OF FORMING THE SAME - A nonwoven fabric that is easily deformed but resistant to collapse, and that has excellent air permeability in the planar direction. The nonwoven fabric comprises continuous fibers and bonded sections formed by bonding multiple fibers including the continuous fibers, wherein the nonwoven fabric comprises a first side and a second side on the side opposite the first side, the first side comprises a plurality of projections, each projection including at least one bonded section, a plurality of projections including no bonded section, and at least one recess, the second side comprises a plurality of recesses, each recess overlapping with at least a part of the projection of the first side, and the coefficient of variation of the diameters of the continuous fibers is at least 10%. | 10-24-2013 |
20130344286 | NONWOVEN FABRIC, AND METHOD FOR PRODUCING NONWOVEN FABRIC - A nonwoven fabric comprising extendable fiber and elastic fiber, wherein the nonwoven fabric comprises a first side having a plurality of protrusions and a plurality of recesses and a second side on the side opposite the first side, the proportion of extendable fiber in the protrusions on the first side is higher than the proportion of extendable fiber in the recesses on the first side, and the nonwoven fabric is coated with a hydrophilic agent, or the extendable fiber and elastic fiber comprise a hydrophilic agent, the nonwoven fabric has a water absorbing property represented by a water absorption height of at least 10 mm in a water absorption test, and a quick-drying property represented by a transpiration rate of at least 20 mass % in a transpiration test. | 12-26-2013 |
20140234575 | LAYERED NONWOVEN FABRIC, AND METHOD FOR PRODUCING LAYERED NONWOVEN FABRIC - A layered nonwoven fabric with excellent feel on the skin and liquid permeability, and a method for producing the layered nonwoven fabric. The layered nonwoven fabric includes an upper layer consisting of a first nonwoven fabric and a lower layer consisting of a second nonwoven fabric. The layered nonwoven fabric has a first surface on the first nonwoven fabric side with a plurality of protrusions and recesses and a second surface on the second nonwoven fabric side. The protrusions on the first surface have a higher basis weight than the recesses on the first surface, and the protrusions on the first surface have a lower fiber density than the recesses on the first surface. | 08-21-2014 |
20140302286 | COMPOSITE STRETCH MATERIAL AND MANUFACTURING PROCESS THEREFOR - A composite stretch material which is composed of a first nonwoven fabric sheet part and a second nonwoven fabric sheet part and elastic members disposed therebetween. In each nonwoven fabric sheet part, concave parts and convex parts are formed in the thickness direction. The concave and convex parts formed alternately repeatedly in a first direction define convex-concave rows. The convex-concave rows are separated from each other by non-shaped regions which contain neither concave parts nor convex parts and which extend along the first direction. The non-shaped regions are joined to each other with the elastic member therebetween. The convex parts of the first nonwoven fabric sheet part enter respectively into the concave parts of the second nonwoven fabric sheet part, while the convex parts of the second nonwoven fabric sheet enter respectively into the concave parts of the first nonwoven fabric sheet part. | 10-09-2014 |
20150067996 | METHOD AND DEVICE FOR RECOVERING BULK OF NONWOVEN FABRIC - A device and method for excellent recovery of bulk in nonwoven fabric. While nonwoven fabric is transported so as to enter a heating chamber via an entry opening and, after progressing within the heating chamber, exit the heating chamber via an exit opening, heated air is supplied at a speed higher than the transport speed for the unwoven fabric so as to enter the heating chamber via the entry opening and after progressing within the heating chamber while contacting the nonwoven fabric, exit the heating chamber via the exit opening. | 03-12-2015 |