Abstract: A pants-type disposable diaper 1 including a diaper main body 2 having a front abdomen portion P, a back portion Q, and leg hole sections S which are formed on both sides of a crotch portion R between these portions, and further having a waist opening which is formed by joining each of both side edges of the front abdomen portion to corresponding each one of both side edges of the back portion, with the crotch portion being provided with an absorbent main body 3, in which waist elastic members 6 are attached in an expanded state in a diaper width direction to parts of the front abdomen portion and to parts of the back portion, both of which parts are corresponding to the waist opening, with each of the leg hole sections being provided with a leg-hole elastic member 8 which is attached in an expanded state along the leg hole, wherein the diaper main body 2 is provided with a display part 20 which displays identification information including a size and a front or back side of the diaper main body, and the like

Abstract: In an ultra-thin absorbent sheet member 1a in which an absorbent polymer powder 3 is adhered to one surface of a first nonwoven fabric 2 by a hotmelt adhesive such that absorbent polymer powder present areas 2c and absorbent polymer powder absent areas 2a, 2b exist; the absorbent polymer powder absent areas are present at opposite widthwise ends (2a) of the ultra-thin absorbent sheet member and at least one position (2b) between the opposite ends; the absorbent polymer powder 3 is bonded to the first nonwoven fabric 2 by first hotmelt adhesive layers S1 formed on an upper side of the first nonwoven fabric 2 and on a lower side of the absorbent polymer powder 3 and a second hotmelt adhesive layer S2 formed to cover upper sides of the absorbent polymer powder present areas 2c and the absorbent polymer powder absent areas 2a, 2b; and the first hotmelt adhesive layer S1 and the second hotmelt adhesive layer S2 are both made of an aggregate of linear hotmelt adhesive pieces.

Abstract: In an ultra-thin absorbent sheet member 1a in which an absorbent polymer powder 3 is adhered to one surface of a first nonwoven fabric 2 by a hotmelt adhesive such that absorbent polymer powder present areas 2c and absorbent polymer powder absent areas 2a, 2b exist; the absorbent polymer powder absent areas are present at opposite widthwise ends (2a) of the ultra-thin absorbent sheet member and at least one position (2b) between the opposite ends; the absorbent polymer powder 3 is bonded to the first nonwoven fabric 2 by first hotmelt adhesive layers S1 formed on an upper side of the first nonwoven fabric 2 and on a lower side of the absorbent polymer powder 3 and a second hotmelt adhesive layer S2 formed to cover upper sides of the absorbent polymer powder present areas 2c and the absorbent polymer powder absent areas 2a, 2b; and the first hotmelt adhesive layer S1 and the second hotmelt adhesive layer S2 are both made of an aggregate of linear hotmelt adhesive pieces.