Abstract: A manufacturing method for an absorptive article includes a sheet-stretching step of performing a stretching process to stretch a continuous body of the exterior sheet in a widthwise direction while conveying a continuous body. In the step of performing the stretching process, the continuous body is stretched by a stretching apparatus including a first roll and a second roll. An axial core of the first roll and an axial core of the second roll are correspond to the widthwise direction of the continuous body. The first roll and the second roll have surfaces each provided with columns of tooth units and untoothed units.

Abstract: A manufacturing method of an absorbent body used for an absorbent article, includes molding the absorbent body by sucking in a gas, mixed with a liquid absorbent fiber and a superabsorbent polymer, using a suction hole at a bottom portion of a mold, and laminating the liquid absorbent fiber and the superabsorbent polymer on the bottom portion, and making a lamination thickness of the absorbent body thin by sucking out gas in the absorbent body placed on a placement surface on which the absorbent body is placed by, after the molding, in a state in which the gas is not supplied, sucking air through the suction hole on the placement surface, and creating an air pressure, in a space in between fibers in the absorbent body while sucking out the air, lower than that in a space in between fibers in the absorbent body while laminating in molding.

Abstract: In a method of manufacturing a composite continuous sheet for an absorbent article, a first continuous sheet is held sliding on a peripheral surface of a roll at a first speed lower than a peripheral speed of the roll. The first continuous sheet is cut with a cutter. The cut sheet is transported in the peripheral direction and at the peripheral speed while being held on the peripheral surface. A continuous sheet is selected among a plurality of continuous sheets including a continuous sheet transported at a second speed higher than the peripheral speed, and a continuous sheet transported at a third speed that is equal to or higher than the peripheral speed but lower than the second speed. The cut sheet is adhered to the selected continuous sheet supplied towards the peripheral surface of the roll.

Abstract: A method that makes a thickness of an absorbent body, including a liquid absorbent fiber and a superabsorbent polymer, thin, the method includes transporting the absorbent body by moving a holding surface while holding the absorbent body on the holding surface with suction air from a suction hole on the holding surface, and making the thickness of the absorbent body thin by sucking a belt member towards the holding surface using the suction air from the suction hole, in a predetermined range of a travel path of the holding surface, the belt member being arranged opposing the holding surface along the travel path and being arranged movably along the travel path over the predetermined range of the travel path, and sandwiching the absorbent body between the holding surface and the belt member.

Abstract: There is provided a manufacturing method for a sheet-like member associated with an absorbent article, the sheet-like member having a folded-up section which is temporarily-secured in a folded-up state. The method includes: forming the folded-up section by folding up a continuous sheet in a width direction of the continuous sheet, the continuous sheet continuing along a transporting direction, creasing the folded-up section in a folded-up state by pressing continuously the folded-up section along a direction of a fold line of the folded-up section, temporarily-securing the folded-up section in a folded-up state by pressing the folded-up section with a plurality of protrusions that are included in a pressing member, producing the sheet-like member by dividing the continuous sheet with a predetermined pitch in the transporting direction, the continuous sheet having been creased and temporarily-secured, and conveying the produced sheet-like member.

Abstract: A method of manufacturing an absorbent article includes forming a pair of side flap-folded sections by folding a continuous sheet such that end sections in a width direction of the continuous sheet are folded inwardly in the width direction, while the continuous sheet is being transported in a continuous direction of the continuous sheet, producing a flap segment by segmenting the continuous sheet at a predetermined pitch in the continuous direction, joining the flap segment to a continuous body of absorbent main bodies in an overlapped manner, while the continuous body of absorbent main bodies is being transported in a transport direction corresponding to a continuous direction of the continuous body, and dividing the flap segment into a section having the pair of first side flaps and a section having the pair of second side flaps by segmenting the continuous body of absorbent main bodies.

Abstract: In a method of manufacturing an absorbent article, an absorbent article 1 is manufactured in which backsheets are in continuation, in a state in which the longitudinal direction of the absorbent article 1 corresponds to the conveyance direction MD of a continuous body 120. The method the absorbent article includes: a step of pressing the continuous body 120 in a thickness direction T of the continuous body 120 by a pair of embossing roll mechanisms 520, a step of expanding the continuous body 120 that has been pressed towards outside a widthwise direction CD of the continuous body 120 until it becomes flat, by a pair of expansion roll mechanisms 600, and a step of joining a absorber 30 with the continuous body 120 of the backsheet.

Abstract: The present invention aims to provide method and apparatus for making a disposable diaper improved so that a region of the continuous elastic predetermined to extend across the middle of the crotch region may be attached to continuous web in a desired condition.

Abstract: The present invention provides a nozzle assembly adapted to apply adhesives uniformly when forming one or more adhesive lines on upper surface of a fibrous web continuously running.

Abstract: An apparatus that manufactures an absorbent article includes a rotating member that rotates in a state where the rotating member is opposing one face of a continuous sheet that is moving, the rotating member having an arcuate retaining surface that retains a work, the rotating member causing the work to be moved to a position where the work is nipped between the one face and the arcuate retaining surface by rotating in a state where the work is retained on the arcuate retaining surface; and a pressing member that bonds a continuous sheet and a work together by coming into contact with another face of the continuous sheet when the work reaches the position and pressing the continuous sheet towards the arcuate retaining surface.

Abstract: In a case where components such as side flaps and crotch portions are arranged on multiple webs which are being conveyed while being arranged side by side in the width direction of the webs, articles in various sizes can be handled easily by a web conveying step of conveying a front waistline web 11A and a back waistline web 11B the webs being arranged side by side in a width direction of the webs, a flap attaching step of attaching side flaps 30 onto the web 11 of the front waistline web 11A or the back waistline web, a web gap changing step of changing a gap between the front waistline web 11A and the back waistline web 11B by a web gap changing mechanism 500 and a crotch member attaching step of attaching a crotch member 20 between the front waistline web 11A and the back waistline web 11B, wherein the web gap changing step is performed between the flap attaching step and the crotch member attaching step.

Abstract: A method of manufacturing a composite body of a sheet-like member of an absorbent article, the method includes: holding a first sheet-like member on a holding surface of a holding section; and delivering and attaching the first sheet-like member from the holding surface to a second sheet-like member. The first sheet-like member has a section that is to be delivered first, and a section that is to be delivered subsequently during delivery to the second sheet-like member. The first sheet-like member is held on the holding surface with suction air from a plurality of holes that have been formed on the holding surface. The holding section has at least two suction chambers. A first suction chamber is in communication with holes that suck the section that is to be delivered first, and a second suction chamber is in communication with holes that suck the section that is to be delivered subsequently.

Abstract: A method for manufacturing an absorbent article includes joining, one longitudinal end portion of a main absorbent body base material to a back-side band base material and another longitudinal end portion of the absorbent body base material to the abdominal-side band base material, folding the main absorbent body base material and overlapping the back-side band base material with the abdominal-side band base material, temporarily joining the overlapped back-side band base material and abdominal-side band base material cutting the temporarily joined back-side band base material and abdominal-side band base material and forming a back-side band base material piece and an abdominal-side band base material piece, and transporting the back-side band base material piece, the abdominal-side band base material piece and the main absorbent body base material in a transport direction with the back-side band base material piece and the abdominal-side band base material piece in a temporarily joined state.