Disclosed is a pant type absorbent article having a back elastic belt comprising a waist guard portion extending towards the crotch region from a closed base line towards an open edge, wherein the waist guard portion is formed by a first inner waist fold extending from a second inner waist fold, the second inner waist fold extending from the inner sheet, and a first elastic member bonded between the first inner waist fold and the second inner waist fold, wherein the waist guard portion is partially bonded to the remainder of the elastic belt from which the first and second inner waist folds extend to define a pocket.

Disclosed is a wearable article comprising a front elastic belt region, a back elastic belt region, each of the front and back elastic belt region comprises a laminate comprising an inner sheet, an outer sheet, and a plurality of elastic members running in the transverse direction, the longitudinal dimension between adjacent elastic members forming an elastic spacing; wherein the laminate is bonded by heat at the side edges to form side seams, the side seams existing no distant than about 20 mm from the side edges, and the remainder of the laminate is substantially free of heat bonds, wherein the article has a Belt Elastic Bonding Percentage of less than about 25%, and an Individual Elastic Bonding Percentage of from about 10% to about 75%, according to the measurements herein.

A disposable diaper includes a waist opening and a pair of leg openings with a composite stretchable member. The composite stretchable member includes first and second nonwoven fabric sheet parts and elastic members arranged therebetween. Each of the first and second nonwoven fabric sheet parts is provided with a plurality of convex-concave regions including convex and concave parts. At least one non-shaped region separates the convex-concave regions from each other in the longitudinal direction. The first and second nonwoven fabric sheet parts are overlaid so that the convex-concave regions of the first nonwoven fabric sheet part and the second nonwoven fabric sheet part adjoin each other and the non-shaped regions of the first nonwoven fabric sheet part and the second nonwoven fabric sheet part are separated from each other and are joined with each other by an adhesive applied to the elastic members.

To maintain, in a wide state, the spaces in a ventilation channel formed when a waist expansion member contracts. This disposable diaper has formed therein, on one or both of a front part (1) and a rear part (2), a cushion part (40). The cushion part (40) includes: an inner sheet (41); an outer sheet (42); one or a plurality of waist expansion members (43); and a cushion forming sheet (44). In a state where the waist expansion member (43) is stretched in the width direction, the member is secured between the inner sheet (41) and the outer sheet (42). The cushion forming sheet (44) overlaps one or both of the inner sheet (41) and the outer sheet (42), and is joined thereto so that in the width direction joining portions (51) and non-joining portions (52) are alternatingly continuous. The joining portions (51) are formed by joining-lines (53) which are straight and extend in the longitudinal direction and at least two columns of which are side by side. The space (second space (D2)) between the joining-line columns in one joining portion is narrower than the space (first space (D1)) between adjacent joining portions.

To improve the ventilation properties of a sheet used in a flute structure. This disposable diaper has formed therein, on at least one of a front part and a rear part, a cushion part (40). In the cushion part (40), in a state where a waist expansion member (43) is stretched in the width direction of the diaper, the member is sandwiched and secured between an inner sheet (41) and an outer sheet (42). In the cushion part (40), a cushion forming sheet (44) overlaps one or both of the inner sheet (41) and the outer sheet (42), and is intermittently joined thereto so that in the width direction joining portions (51) and nonjoining portions (52) are alternatingly continuous. Formed in the cushion forming sheet (44) are a plurality of openings (60) or depressions that are grouped into row groups (R) and column groups (C). A continuous line (A) links the plurality of openings (60) or depressions which belong to the column group (C), and the line is inclined at a prescribed angle (θ) with respect to a reference line (F) that extends in the longitudinal direction.

A disposable absorbent article may include a topsheet, backsheet, absorbent core, and an elasticized region disposed in a leg gasketing system. The elasticized region may include a first elastic member and a second elastic member. The first elastic member is joined to the article at both a first contraction starting point and a first contraction ending point, and the second elastic member is joined to the article at both a second contraction starting point and a second contraction ending point. The first contraction starting point is disposed on a first start axis and the second contraction starting point is disposed on a second start axis, wherein the second start axis is different than the first start axis.

A disposable article includes a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet; and an elasticized waist gasketing element. The elasticized waist gasketing element has a lateral outboard edge and a longitudinal array of elastic members. The longitudinal array includes a primary waist elastic member disposed inboard of the waist edge by a minimum longitudinal distance A, a secondary waist elastic member disposed inboard of the primary waist elastic member by a minimum longitudinal distance B. The waist gasketing element comprises a Force Ratio of at least about 1.1.

Disclosed is a pant type absorbent article having a waist guard portion on the back elastic belt, wherein the waist guard portion has a specific location in view of the location from the distal edge to the proximal edge relative to the percentage of the seam length LS, the waist guard portion comprising a waist guard elastic portion having a longitudinal dimension of no greater than about 40 mm, wherein the remainder of the elastic belt superposing the waist guard elastic portion is defined a correlated portion, wherein the tensile stress of the waist guard elastic portion is higher than that of the correlated portion.

Disclosed is an absorbent article having a back elastic belt comprising a waist guard portion extending towards the crotch region from a closed base line towards an open edge, wherein the waist guard portion is partially bonded to the remainder of the back elastic belt to define a pocket.

A disposable article includes a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet; and an elasticized waist gasketing element. The elasticized waist gasketing element has a lateral outboard edge and a longitudinal array of elastic members. The longitudinal array includes a primary waist elastic member disposed inboard of the waist edge by a minimum longitudinal distance A, a secondary waist elastic member disposed inboard of the primary waist elastic member by a minimum longitudinal distance B. The waist gasketing element comprises a Force Ratio of at least about 1.1.