Abstract: The present invention provides a composite sheet material in which a three-dimensional sheet material and a flat sheet material are firmly joined to each other and which is excellent in ventilation and the like, soft, and good in touch. In the composite sheet material, a three-dimensional sheet material having a large number of protruding portions formed thereon and a flat sheet material not having such protruding portions are layered on each other and joined. The three-dimensional sheet material is joined to the flat sheet material at joining parts apart from protruding portions. A plurality of joining parts are formed around each protruding portion in such a manner as to surround the protruding portion. The area of the joining part is less than 50% of that of a base surrounded by the protruding portions. Some of the joining parts are provided with a through hole penetrating the composite sheet material.

Abstract: A stretchable laminate sheet including a thermoplastic stretchable film laminated on a non-woven fabric containing thermoplastic fiber therein, wherein: the non-woven fabric and the stretchable film are welded together at a plurality of first and second welding portions; the first welding portions are longer in a first direction and are shorter in a second direction perpendicular to the first direction; and the second welding portions are longer in a third direction crossing the first direction and are shorter in a fourth direction perpendicular to the third direction.

Abstract: It is aimed to provide a composite sheet manufacturing device and a composite sheet manufacturing method capable of maintaining high cutting performance of a cutter by suppressing the adhesion of an adhesive of an adhesive surface to the cutter. A first sheet (42) introduced to between a cutter roller (2) and an anvil roller (3) is cut into strips (42a) while these rollers (2, 3) are rotated relative to each other, adhesive surfaces (a) of the strips (42a) are adhered onto a second sheet (43) for compounding, and at least one of a cutter (12) of the cutter roller (2) and the anvil roller (3) is cooled by a refrigerant by a cooling unit (20, 21).

Abstract: A method for cutting at least an outermost film of rollstock across a width direction of a film, the rollstock formed by a film sheet rolled from base end to tip end, the method including: separation step of generating a gap between the inner peripheral film and the outer layer by separating first edge portion of the outer layer from the inner peripheral film in a radial direction of the rollstock, in a state where the outer layer is remained to be rolled as a part of the rollstock; step of displacing a portion of the outer layer defining the gap in a first width direction from the first edge portion to second edge portion in the width direction; and step of cutting the outer layer across the width direction during the displacement step, while the first cutter is moved from the first edge portion to the second edge portion.

Abstract: Providing two sheets which are opposed to each other, and a plurality of elastic elements each disposed between the sheets to extend along a stretchable direction of a composite stretchable member in such a manner as to be stretchable in the stretchable direction, wherein: the sheets are bonded together in a plurality of bonding sections, wherein each of the bonding sections is configured to continuously extend along a line intersecting the stretchable direction and to intersect the plurality of elastic elements; and each of the elastic elements is bonded to the sheets at intersection points with the bonding sections.

Abstract: A method for removing outer layer of rollstock includes: first step of cutting rollstock's outermost circumferential film in a first cut portion, the rollstock formed by a film sheet rolled from base end to tip end and the tip end temporarily fixed to an outer circumferential surface; second step of cutting the film in a second cut portion closer to the base end than the first cut portion, a length from the tip end to the second cut portion being equal to or more than one round of the rollstock's outermost circumference; and step of discarding a first cut-film piece from the first cut portion to the tip end and a second cut-film piece from the first cut portion to the second cut portion by drawing the first and second pieces with a drawing device while driving an unwinding roller mounted with a hollow portion of the rollstock to rotate.

Abstract: A sheet delivery system includes: an end section detector which detects a position of an end section of a sheet; an end section conveying apparatus which holds the end section of the sheet and which conveys the end section of the sheet to a joining unit; a roll driving motor which rotationally drives a standby-side original material roll around a central axis thereof; and a suction roller which is capable of coming into rolling contact with an outer peripheral surface of the standby-side original material roll, and which includes an outer peripheral surface capable of suctioning the end section of the sheet in order to separate the end section of the sheet from the standby-side original material roll. The end section detector is attached at a position which enables detection of the end section of the sheet separated from the standby-side original material roll by the suction roller.

Abstract: A transport unit includes: a transporting device that turns a pad 90 degrees while the pad rotates from a receiving position to a transfer position; and first and second receiving rollers that sandwich a sheet and an absorbent body between a holding surface and the respective receiving rollers at the transfer position. The holding surface includes first and second sloped surfaces that are aligned along a pad rotating shaft which extends at the transfer position. The first and second receiving rollers have outer diameters decreasing from proximal ends to distal ends and are disposed such that the distal ends are positioned on sides of first and second ends of the holding surface, respectively. The first and second receiving rollers are disposed so as to sandwich the sheet and the absorbent body between the first and second sloped surfaces and the first and second receiving rollers, respectively.

Abstract: A placement device for arranging parts of a disposable worn article on the base material B, wherein: a first unit U1 includes first and third pads P1 and P3 capable of accelerating and decelerating; a second unit U2 includes second and fourth pads P2 and P4 capable of accelerating and decelerating; the first unit U1 includes separate servo motors M for rotating the first pad P1 and the third pad P3 about a common axis and does not include three or more servo motors M; and the second unit U2 includes separate servo motors M for rotating the second pad P2 and the fourth pad about a common axis and does not include three or more servo motors M.

Abstract: A carrying device includes: a carrying section having a receiving surface to be in contact with a first sheet material that is continuous in a carrying direction, wherein one edge of the first sheet material is wave-shaped, the carrying section defining an inclined slit portion, wherein the inclined slit portion defines an opening on the receiving surface, wherein the inclined slit portion extends in an inclined direction so as to be displaced from a proximal side toward a distal side of a protruding portion while extending downstream in the direction of carrying the first sheet material, and wherein the inclined slit portion sucks the protruding portion along the wave-shaped edge; and a box defining a suction space that keeps the inclined slit portion under a negative pressure so that the protruding portion is pulled into the inclined slit portion by suction.

Abstract: The front part and the rear part of a diaper main body are each attracted by a first belt and a second belt arranged so as to separate from each other as the first belt and the second belt move to the downstream side of the conveying path. The diaper main body is attracted by the first belt only in a range other than a non-attracting range thereof covering from a crease to a prescribed position in a longitudinal direction. When the respective belts are moved, the front part and the rear part of the diaper main body are separated from each other in a state in which the diaper main body separates from the first belt in the non-attracting range. Then, respective side panels are folded inward between the front part and the rear part of the diaper main body that separate from each other.

Abstract: A sheet-feeding system includes a holding part which holds an end portion of a sheet, a nozzle part for discharging an adhesive agent for joining sheets to each other, and a nozzle moving unit which supports the nozzle part such that the nozzle part is made movable within a region including both temporarily holding parts, in which when a sheet joining condition is established where a remaining amount of the sheet on one original sheet roll becomes equal to or below a predetermined remaining amount, an end portion of the sheet on the other original sheet roll is conveyed to the temporarily holding part by the holding part and, thereafter, the nozzle part is moved to the temporarily holding part, and the adhesive agent is discharged to the end portion of the sheet from the nozzle part.

Abstract: A holding region includes opposite skirt portions in a revolution direction of a holding pad each of which has at least opposite ends in a specific direction that extend along a first curve when the holding pad is at a first revolution position. The holding region includes a second area bearing on at least part of one side portion and at least part of the other side portion in a revolution direction of the holding pad when the holding pad is at a second revolution position that extends along a second curve. A delivery side holding region includes opposite side portions in the specific direction each of which has at least opposite ends in a rotational direction, each end being formed with a first recess. The first recess having a bottom surface that extends along an arc of the first curve.

Abstract: Provided are a device for producing a disposable wearable article and a method for producing a disposable wearable article capable of suppressing the occurrence of a sealing failure by making it difficult for a doubled sheet to open against an elastic force of an absorber. A device for producing a disposable wearable article includes a jointing/cutting unit (60) provided in a line (L1) for continuously conveying a sheet (W) and configured to join parts of the doubled sheet (W) at opposite sides of an absorber (C) and then cut the joined parts and a pressing unit (70) arranged upstream of the jointing/cutting unit (60) in a conveying direction (a). The pressing unit (70) includes a pressing mechanism (71, 72) configured to press the sheet (W) together with the absorber (C) in a thickness direction.

Abstract: A method including: a step of carrying first and second continuous webs in a carrying direction; a step of folding the continuous webs in two; a first attachment step, in which portions of first edges, which extend in the carrying direction of the continuous webs and which are to be leg holes of a worn article, are attached together intermittently in the carrying direction; a step of straightening, in a width direction, creases on one of the continuous web after the first attachment step; and a second attachment step, in which the continuous webs are attached together at least at portions along second edges opposite to the first edges, with the creases being straightened.

Abstract: A method including the steps of: applying an adhesive on an elastic member extending in a carrying direction; sandwiching the elastic member between two sheets of continuous non-woven fabric having a pair of side edge portions extending in the carrying direction, and bonding together the two sheets of continuous non-woven fabric along parts of a middle portion between the pair of side edge portions via the adhesive applied on the elastic member so that the two sheets of continuous non-woven fabric are laid on each other, thereby producing a continuous member; and thermally welding together the two sheets of continuous non-woven fabric along the pair of side edge portions, which are closer to edges of the continuous member than the middle portion bonded by the adhesive.

Abstract: A joining unit includes: a suction holding member having a suction surface configured to suction an end section of a sheet; a moving mechanism configured to move the suction surface toward an intermediate section of a sheet of a delivery-side original material roll along a path set in advance so that tension is applied to the sheet; and a regulating mechanism that is configured to switch between a regulated state in which a movement of the end section of the sheet with respect to the suction holding member due to the tension is regulated and an allowable state in which the movement of the end section of the sheet with respect to the suction holding member is allowed. The controller switches the regulating mechanism to the regulated state during the movement of the suction surface toward the intermediate section of the sheet of the delivery-side original material roll.

Abstract: An ultrasonic welding device includes a support device configured to support a work piece along a predetermined conveyance surface; a welding machine including an oscillator for generating a high-frequency electric signal, a transducer for converting the high-frequency electric signal to a mechanical vibration, and a horn to which the mechanical vibration is transmitted, the horn being disposed to face a part to be welded of a work piece supported along the conveyance surface, and the mechanical vibration being imparted via the horn to the part to be welded, whereby the part to be welded is welded; a detector for detecting an abnormality in the part to be welded, the detector being disposed upstream in the conveyance direction of the work piece than the support device; and a protective device for prohibiting the welding machine from welding the part to be welded in which an abnormality is detected by the detector.

Abstract: A holding region includes a first area bearing on at least part of one and at least part of the other of opposite skirt portions in a revolution direction of a holding pad, the first area extending along a first curve, when the holding pad is at a first revolution position. The holding region formed in the holding pad includes a second area bearing on at least part of one side portion and at least part of the other side portion in the revolution direction of the holding pad when the holding pad is at a second revolution position that extends along a second curve. The holding region includes a portion other than the first area and the second area that lies closer to a second rotational axis than the first curve and the second curve.

Abstract: A folding device includes a folding mechanism configured to form a first folding line extending from one widthwise end of a sheet, a second folding line extending obliquely from the other widthwise end of the sheet toward an end of the first folding line and a third folding line configured to reverse one widthwise part of the sheet such that one widthwise part of the sheet folded along the second folding line overlaps with another part. The folding mechanism includes a second folding member having a second folding line forming portion configured to form the second folding line. The second folding member is so attached to a conveying mechanism that the second folding line forming portion is movable with respect to the formation positions of the first folding line and the third folding line.