Abstract: The invention relates to positioning of shaping rolls and makes it possible the rapid formation of a large number of fine three-dimensional shapes on a sheet material. A pair of shaping rolls that are parallel to each other include, on circumferential surfaces thereof, recessed and protruding shapes that mesh with each other at a face-to-face position. Rotating shafts of the pair of shaping rolls are cooperatively coupled with a rotational driving means through eccentric couplings. A downstream shaping roll includes, inside a roll main body, air passages that extend in a direction of a roll shaft center and air vent holes that connect the air passages to the circumferential surface. A communication member is disposed adjacent to the end of the roll main body and includes an air intake port that can communicate with the air passages in a first preset region in a circumferential direction, and an air supply port that can communicate with the air passages in a second preset region.

Abstract: First and second anvil rolls (10A, 10B) are arranged so that in the welding of webs, the webs are transported to pass through a first gap (?1) between the first anvil roll (10A) and a first horn (21), a third gap (?3) between the second anvil roll (10B) and a third horn (23), a fourth gap (?4between the second anvil roll (10B) and the fourth horn (24) and a second gap (?2) between the first anvil roll (10A) and the second horn (22) in this order.

Abstract: A device including: a plurality of protruding portions of an anvil roll; an ultrasonically vibrating horn; a suction hole for drawing granular particles together with non-woven fabric sheets so as to carry the non-woven fabric sheets and to prevent the granular particles from being placed on the non-woven fabric sheets over the protruding portions; and a ridge extending along an outer circumference of the suction hole with a protruding height lower than a protruding height of the protruding portions.

Abstract: Front and back flaps 3F and 3B are protruding past a crotch portion 22 to a same position in the girth direction X; a back member 4b is attached to the back flap 3B, the back member 4b protruding in the girth direction X from an edge of the back flap 3B; a front member 4f protruding in the girth direction X from an edge of the front flap 3F is detachably touch-fastened to a non-skin-contact surface of the front flap 3F which does not contact a skin of the wearer; the crotch portion 22 is folded along a virtual first line L1 parallel to the girth direction X so that a front girth portion 3F and a back girth portion 3B are laid on each other and so that the back member 4b and the front member 4f are facing each other and in contact with each other; and the back member 4b and the front member 4f facing each other are secured to each other in an area where the back member 4b and the front member 4f are in contact with each other.

Abstract: The transport method includes a speed varying step of varying speed of a first holding portion between a receiving position and a predetermined relay position by means of a speed change mechanism; a control step of controlling speed of a servo motor for driving rotation of second holding portions, such that speed of the second holding portions becomes a receiving speed at which the second holding portions is able to receive the absorbent body from the first holding portion at the relay position and becomes a predetermined transfer speed at a transfer position, and such that the second holding portions arrive at the relay position and at the transfer position at a predetermined cycle; and a speed changing step of changing the transfer speed while the cycle is maintained.

Abstract: A method for controlling a conveyance speed of a sheet comprises the steps of: setting a reference rotation angle; rotationally driving a drive motor (8) and a rotary cutter (15); detecting a marker (2a) of a backsheet (2); detecting a rotation angle of a rotary blade of a cutting member when the marker (2a) is detected; ascertaining an angular difference between the detected rotation angle and the reference rotation angle; and controlling rotational driving of the drive motor (8) to reduce the angular difference.

Abstract: A method including: a step of forming depressions and protrusions on a first continuous sheet between a first roll and a second roll; a placement step of placing a plurality of granular particles in depressed portions of the depressions and protrusions of the first continuous sheet; a step of laying a second continuous sheet on the first continuous sheet, thereby forming a sandwich structure; and a step of bonding the two sheets with each other along protruding portions of the depressions and protrusions of the first continuous sheet, wherein a circumferential velocity of the second roll is greater than a circumferential velocity of the first roll.

Abstract: An article including: an absorbent body including two liquid-permeable non-woven fabric sheets bonded together at bonded portions in a predetermined pattern, and a plurality of granular particles placed therebetween separately in each of a plurality of placement areas partitioned from one another in the predetermined pattern; and a non-liquid-permeable back sheet placed on a non-skin-contact surface of the absorbent body, wherein: a liquid-permeable sheet is placed so as to cover an entire surface of the non-woven fabric sheet on a skin-contact surface side; and an easily-breakable portion capable of being broken when the granular particles absorb a bodily fluid to swell is formed in placement areas on at least one non-woven fabric sheet.

Abstract: A device for producing an absorbent body includes a rotating fiber stacking drum that includes an adsorbent molding section configured to mold fluff pulp into an absorbent body having a desired shape. The rotating fiber stacking drum further includes a cylinder having an outer circumference on which the adsorbent molding section is formed, and paired side walls that close ends of the cylinder, respectively. The device for producing an absorbent body further includes a sucking means, which is configured to generate an air flow from the outer circumference side of the adsorbent molding section toward the inside of the cylinder by sucking air in the rotating fiber stacking drum. The sucking means is connected to each of two side walls of the rotating fiber stacking drum.

Abstract: An absorbent article having a plurality of granular particles placed between two liquid-permeable non-woven fabric sheets, the article including: a high-strength bonded portion formed in a loop-shaped pattern on the article such that the two non-woven fabric sheets are not separated even if the granular particles swell to thereby apply a separating force to a bonded position between the two non-woven fabric sheets; and a low-strength bonded portion formed in an inner area surrounded by the high-strength bonded portion such that the two non-woven fabric sheets are separated from each other at a bonded position when the granular particles swell to thereby apply a separating force to the bonded position between the two non-woven fabric sheets.

Abstract: A device including: a plurality of protruding portions of an anvil roll; an ultrasonically vibrating horn; a suction hole for drawing granular particles together with non-woven fabric sheets so as to carry the non-woven fabric sheets and to prevent the granular particles from being placed on the non-woven fabric sheets over the protruding portions; and a ridge extending along an outer circumference of the suction hole with a protruding height lower than a protruding height of the protruding portions.

Abstract: A method includes steps of carrying an air-permeable web while holding the first surface of the web on a carrying surface; dispensing powder particles onto the second surface of the web; and while drawing the first air from a plurality of suction holes in the carrying surface through the web, thereby holding the powder particles in a predetermined pattern on the second surface of the web, discharging the second air toward the web through a discharge hole open in a non-suction area, whereby the powder particles on non-suction areas are blown away by the second air, thus arranging the powder particles in a predetermined pattern on the web.

Abstract: A method includes steps of: carrying an air-permeable web while holding the first surface of the web on a carrying surface; dispensing powder particles onto the second surface of the web; drawing the first air from a plurality of suction holes in the carrying surface through the web, thereby holding the powder particles in a predetermined pattern on the second surface of the web; and giving at least a part of the first air flow components flowing in directions along the second surface of the web by means of an airflow deflector opposing the second surface of the web, thereby moving powder particles on non-suction areas between the suction holes on the web, thus arranging the powder particles in a predetermined pattern on the web.

Abstract: A device for aligning and transferring articles including: a counter 3 for aligning, at a gathering position P, an article set W composed of a predetermined number of uncompressed articles; a discharger 4 for discharging the article set W aligned at the gathering position P to a receiving position P0; and at least one transfer bed for supporting a bottom surface of the article set W and reciprocating between the receiving position P0 and a hand-over position P1, P2, thereby receiving the article set W at the receiving position P0, transferring the article set W to the hand-over position P1, P2, and returning to the receiving position P0. The transfer bed L1, R1 and the second support section 20 for compressing the article set W are driven by first and second motors, respectively.

Abstract: A method includes: a severing step of successively producing a plurality of panels from a continuous web; an interval-increasing step of increasing an interval in width direction between a pair of panels, adjacent to each other in flow direction; a receiving step of receiving the panels by first and second rollers at first and second receiving positions, which are separated from each other in flow direction, wherein the first and second rollers for receiving the panels are placed so that axial lines of the first and second rollers are placed offset from each other in flow direction of the panels; and a placement step for placing the panels, from the rollers at first and second hand-over positions which are separated from each other in flow direction, onto opposite side portions of a body portion at the same position in the longitudinal direction of the body portion.

Abstract: The invention relates to positioning of shaping rolls and makes it possible the rapid formation of a large number of fine three-dimensional shapes on a sheet material. A pair of shaping rolls that are parallel to each other include, on circumferential surfaces thereof, recessed and protruding shapes that mesh with each other at a face-to-face position. Rotating shafts of the pair of shaping rolls are cooperatively coupled with a rotational driving means through eccentric couplings. A downstream shaping roll includes, inside a roll main body, air passages that extend in a direction of a roll shaft center and air vent holes that connect the air passages to the circumferential surface. A communication member is disposed adjacent to the end of the roll main body and includes an air intake port that can communicate with the air passages in a first preset region in a circumferential direction, and an air supply port that can communicate with the air passages in a second preset region.

Abstract: A method comprising the steps of: carrying a continuous sheet W1 which is an external sheet 3 being continuous in the longitudinal direction X perpendicular to the girth direction Y; carrying a continuous laminate W2 which is an absorbent body 2 being continuous in the longitudinal direction X perpendicular to the girth direction Y; cutting off a tip portion of the continuous laminate W2 in the carrying direction X1 to obtain absorbent bodies 2 one after another; separating the cut-off absorbent bodies 2 from each other in the longitudinal direction X of the absorbent bodies; placing the absorbent bodies 2 in a detatchable manner and intermittently on the continuous sheet W1; and severing the continuous sheet W1 between the absorbent bodies 2, thereby obtaining individual worn articles 1 each having the absorbent body 2 placed on the external sheet 3.

Abstract: A method including: a step of carrying a continuous web; a cut-off step of cutting the continuous web into individual worn articles 1; a first folding step of folding the diaper body 2 so that a skin-contact surface of a front portion 20 and a skin-contact surface of a back portion 21 lie one each other; and a folding step of folding a pair of side panels 3, wherein in the folding step, the pair of side panels 3 are folded as second pads 32, which rotate in a folding direction in which the side panels 3 are folded with respect to a first pad 31, rotate in the folding direction, while the diaper body 2 is held on the first pad 31 and while the side panels 3 are held by the second pads 32.

Abstract: A rotation device includes an endless guide that defines a continuous circular path, a plurality of moving sections whose movement is guided by the endless guide, and a plurality of pads. Each pad is capable of carrying an article thereon, and each pad is mounted to a respective moving section. A method for producing a worn article using such a rotation device includes the following steps: (i) rotating a fixed pivot point about a first axis where a link connects the pivot point to the moving section; (ii) guiding a moving section along the path defined by the endless guide, where the endless guide has a second axis parallel to but offset from the first axis; (iii) receiving an article by the pad, where the rotating and guiding steps change a spacing interval between adjacent pads; and (iv) releasing the article from the pad after the spacing interval has changed.

Abstract: A method includes steps of: carrying an air-permeable web while holding the first surface of the web on a carrying surface; dispensing powder particles onto the second surface of the web; drawing the first air from a plurality of suction holes in the carrying surface through the web, thereby holding the powder particles in a predetermined pattern on the second surface of the web; and giving at least a part of the first air flow components flowing in directions along the second surface of the web by means of an airflow deflector opposing the second surface of the web, thereby moving powder particles on non-suction areas between the suction holes on the web, thus arranging the powder particles in a predetermined pattern on the web.