Unicharm Corporation

Uni-charm Co., Ltd.

Uni&#x2014;charm Corporation

Hiroki Yamamoto

Hironori Nomura

Toshifumi Otsubo

Akihide Ninomiya

Taiji Shimakawa

Yoshihiko Matsumoto

Hirofumi Ohnishi

Yoshinori Matsura

Kenji Takeuchi

Kazuo Ukegawa

Junji Shinohara

Takamitsu Igaue

Shigetoyo Kobayashi

Fumihito Kawazu

Shinya Kaneko

Yasuhiro Sasano

Makoto Ichikawa

Tomoko Sugito

Kenichi Sasayama

Tohru Sasaki

Takanori Yano

Akihisa Shiomi

Hidefumi Goda

Masaya Ohiro

Hirofumi Onishi

Norikatsu Kushida

Daisuke Komatsubara

Makoto Suekane

Takaaki Shimada

Hiroyuki Tanji

Yoshihisa Fujioka

Toru Sasaki

Masamitsu Yamamoto

Yoshinori Kumasaka

Noriyuki Kimura

Ayano Okawa

Hiroshi Ujimoto

Chiyo Takai

Shimakawa Taiji

Sadanori Matsura

Yuki Koido

Yasuhiro Akino

An animal litter box includes a liquid passage portion having openings through which urine passes downward, and on which granules are disposed. The animal litter box includes an absorbent-body placement portion in which an absorbent body for absorbing the urine that has passed through the liquid passage portion is disposed. Each of the openings extends in a longitudinal direction. A maximum width of the openings in a width direction orthogonal to the longitudinal direction is equal to or smaller than 2.5 mm.

Animal litter box

An animal toilet () has: a main body () provided with a urine passing section (); and a tray () on which an absorbent body () for absorbing urine passing through the urine passing section () is disposed. In a lower end portion on one side in the front-rear direction of the main body (), an opening () for accommodating the tray () is formed. In the left-right direction, the length of the opening () is longer than the length of the tray (). In a state where the tray () is accommodated in the main body (), both a bottom section () of the main body and a bottom section () of the tray are grounded.

Animal toilet

An absorbent sheet for a pet toilet is provided. The pet toilet includes: a sheet accommodating portion that accommodates the absorbent sheet in a space surrounded by a bottom portion and side walls standing from the bottom portion; and an excretion receiving portion that receives excretions above the sheet accommodating portion and guides the excretions to the sheet accommodating portion. The absorbent sheet includes: a topsheet on a top side of the absorbent sheet and that includes fibers; a backsheet on a back side of the absorbent sheet; an absorber between the topsheet and the backsheet; a central region in which the absorber is disposed in plan view; and side regions that extend outside the central region and in which at least the topsheet is disposed.

Absorbent sheet for pets

A linear-motor type transport device for transporting material for an absorbent article includes: a shaft portion that has an axial direction, a radial direction, and a circumferential direction; a pair of guide portions that is disposed on the shaft portion with a predetermined axial-direction space between the guide portions and that forms an orbital transport path that extends along the circumferential direction; a mobile unit that moves on the transport path along the guide portions while supporting a transport head rotatably about a rotation axis; a cam mechanism that rotates the transport head about the rotation axis through a predetermined angle when the mobile unit is moved on the transport path; and a controller that moves the mobile unit by supplying currents to conductors and generating a propulsive force between one of the conductors and a magnet that is disposed on the mobile unit.

Linear-motor type transport device for transporting material for absorbent article and method for manufacturing absorbent article

An absorbent article for animals that includes a longitudinal direction, a width direction, and a thickness direction that are mutually orthogonal to each other. The absorbent article includes: a first nonwoven fabric that forms a first surface in the thickness direction; a second nonwoven fabric that forms a second surface in the thickness direction that is on an opposite side of the first surface, and that is attached to an animal such that the longitudinal direction is disposed along a waist of the animal; in a plan view, between a first side edge and a second side edge of the absorbent article in the longitudinal direction, a first region, a center region, and a second region that divide the absorbent article into three equal portions in the longitudinal direction; and an engagement portion that extends in the width direction in the first surface of the first region.

Absorbent article for animals

Method for manufacturing an absorbent article, the method including: while a lower bandlike member is transported in a transport direction, a process in which a cutting position is determined and an adhesion area is formed by putting adhesive on each side of the cutting position of the lower bandlike member in the transport direction; a process in which elastic members are placed so that a part of each of the elastic members overlaps the adhesion area, the elastic members being stretched in the transport direction; a process in which an upper bandlike member is stacked on and adheres to the lower bandlike member and the elastic member on the adhesion area; a process in which the lower bandlike member and the upper bandlike member are folded on the center in the intersecting direction; a process in which a welded section on which the lower bandlike member and the upper bandlike member are to be welded to each other is formed on each side of the cutting position in the transport direction; a process in which and the lower bandlike member, the upper bandlike member and the elastic members are cut together on the cutting position, a lower exterior member and an upper exterior member which are shaped in the form of underpants are cut and separated, the elastic members which are stretched in the transport direction contract towards the adhesion area from positions at which the elastic members are cut, the contraction being performed while the elastic members shifting relative to the lower exterior member and the upper exterior member.

Method for manufacturing absorbent article

A manufacturing apparatus for manufacturing a composite sheet associated with an absorbent article, including: a producing device that produces a substrate sheet by fixing a stretchable sheet to at least low-extensible sheet, the stretchable sheet continuing along a transporting direction, the stretchable sheet being in an extended state in which the stretchable sheet is extended in the transporting direction, the producing is performed while the producing device is transporting the stretchable sheet; a reference-section forming apparatus that forms a physical reference section on the substrate sheet, the substrate sheet being in a first extended state and being transported; a contraction apparatus in which the substrate sheet that has the reference section formed on it contracts until the substrate sheet becomes in a second extended state whose extension ratio is smaller than an extension ratio of the first extended state; and a processing apparatus that performs the certain process to the substrate sheet, the substrate sheet having contracted and being in the second extended state. The contraction apparatus includes: a transport path in which the substrate sheet is transported; a sensor that detects the reference section after the contraction in the contraction apparatus and that outputs a detection signal; and an alteration device that alters a transportation state of the substrate sheet in the transport path so that a position in the substrate sheet for the certain process is located close to a target position for the certain process, the alteration being performed according to the detection signal of the sensor.

Manufacturing apparatus and manufacturing method for manufacturing composite sheet associated with absorbent article

A fixing device for fixing an elastic sheet and a low-stretchable sheet via fixing parts while superposing the sheets in a thickness direction includes: a rotating member including protrusions on an outer peripheral surface to form the fixing parts and rotatable along a transport direction; and a sandwiching member arranged at a predetermined position of the rotating member in a rotational direction, and sandwiching the sheets by a surface portion in cooperation with each of the protrusions to form the fixing parts when each of the protrusions passes through the predetermined position, the surface portion being larger than a top surface of each of the protrusions. At a sandwiching position in which the sheets are sandwiched cooperatively by the sandwiching member and the rotating member, the low-stretchable sheet is located between the elastic sheet and the top surface of each of the protrusions of the rotating member.

Fixing device of plurality of sheets associated with absorbent article, and fixing method

A method for manufacturing an absorbent article, the method including: while a lower bandlike member is transported in a transport direction, a process in which a cutting position is determined and an adhesion area is formed on each side of the cutting position of the lower bandlike member in the transport direction; a process in which leg elastic members are placed so that a part of each of the leg elastic members overlaps the adhesion area, the leg elastic members being stretched in a direction having a component parallel to the transport direction; a process in which an upper bandlike member is stacked on and adheres to the lower bandlike member and the leg elastic member on the adhesion area; a process in which the lower bandlike member and the upper bandlike member are folded on the center in the intersecting direction; a process in which a welded section on which the lower bandlike member and the upper bandlike member are to be welded to each other is formed on each side of the cutting position in the transport direction; a process in which and the lower bandlike member, the upper bandlike member and the leg elastic members are cut together on the cutting position, a lower exterior member and an upper exterior member which are shaped in the form of underpants are cut and separated, the leg elastic members which are stretched contract towards the adhesion area from positions at which the leg elastic members are cut, the contraction being performed while the leg elastic members shifting relative to the lower exterior member and the upper exterior member.

A manufacturing apparatus for manufacturing an absorbent article, the manufacturing apparatus including: an upstream transport mechanism and a downstream transport mechanism that transports a stretchable sheet-like member along a transporting direction, the stretchable sheet-like member continuing along the transporting direction; an extension-ratio adjustment mechanism that is located between the upstream transport mechanism and the downstream transport mechanism, and that adjusts an extension ratio at which the stretchable sheet-like member extends in the transporting direction; and a processing apparatus that performs the certain process to the stretchable sheet-like member that is being transported by the downstream transport mechanism. When the upstream transport mechanism transports a first stretchable sheet-like member in which parts to be the absorbent article are lined up at a first pitch in the transporting direction, the extension-ratio adjustment mechanism adjusts an extension ratio of the first stretchable sheet-like member so that the parts to be the absorbent article are lined up at a predetermined pitch. When the upstream transport mechanism transports a second stretchable sheet-like member in which the parts to be the absorbent article are lined up at a second pitch in the transporting direction, the second pitch being different from the first pitch, the extension-ratio adjustment mechanism adjusts an extension ratio of the second stretchable sheet-like member so that the parts to be the absorbent article are lined up at the predetermined pitch.

Manufacturing apparatus and manufacturing method for manufacturing absorbent article

An ultrasonic processing system adapted to subject a web running in a machine direction to ultrasonic processing includes a first mechanical element defined by one of an ultrasonic horn and an anvil and a second mechanical element defined by a remainder. The web placed on an outer peripheral surface of a rotary drum moves conforming to the drum in a machine direction. The first mechanical element is provided on the inner side of the drum and the second mechanical element is provided on the outer side of the drum. The first and second mechanical elements repeat a step of forward movement and a step of backward movement in a direction intersecting the machine direction across the web. In both steps, the first and second mechanical elements come in close contact with each other by the intermediary of the web and thereby subject the web to the ultrasonic processing.

System and method for subjecting web to ultrasonic processing

A continuous web processing device including a folding unit that extends in a conveyance direction. The folding unit has a central guide that comes into contact with the bottom of the crotch part of an absorbent article being processed, a pair of side guides that come into contact with the front waistline portion and the rear waistline portion of the absorbent article, and a superimposing roller that superimposes the front waistline portion and the rear waistline portion one on the other. A spacing between the pair of side guides becomes narrower in the downstream conveyance direction. Ends of the side guides are located further upstream than an end of the central guide. The superimposing roller superimposes the front waistline portion and the rear waistline portion of the absorbent article one on the other downstream from the side guides.

Continuous web processing device

A cutting apparatus includes a holding conveying mechanism configured to convey a web using a holding surface, and a cutting mechanism configured to perform first cutting to cut the web conveyed while being held by the holding conveying mechanism along a crossing direction crossing a conveyance direction of the web and performing second cutting to cut the web along the crossing direction with a predetermined distance from the first cutting. The holding surface includes a main holding area configured to hold the web along the crossing direction between the first cutting and the second cutting, and an auxiliary holding area configured to hold the web by a holding power weaker than the holding power in the main holding area, at least in either upstream or downstream of the conveyance direction of the main holding area.

Cutting apparatus

A device for manufacturing a composite body of a continuous sheet-like member by attaching and handing over a retained workpiece to a continuous sheet-like member, at a workpiece hand over position including a rotating body that rotates about a rotating shaft, a workpiece retaining portion supported by the rotating body in a state where a retaining surface that retains the workpiece faces outward in a direction of radius of gyration of the rotating body, a workpiece hand over mechanism that is positioned to accord with the workpiece hand over position along a direction of rotation of the rotating body, and that hands over the workpiece from the retaining surface to the continuous sheet-like member when the retaining surface passes the workpiece hand over position, wherein the workpiece hand over mechanism has a roller that comes into contact with the continuous sheet-like member to transport the continuous sheet-like member, and a pushing mechanism that is capable of pushing out an outer circumferential face of the roller inward along the direction of radius of gyration to push the continuous sheet-like member against the workpiece, and the pushing mechanism changes an amount by which the outer circumferential face is pushed out in conjunction with a location, of the retaining surface along the direction of radius of gyration, at the workpiece hand over position.

Manufacturing device for composite bodies of continuous sheet-like members

A web joint apparatus is configured to join a pair of webs for absorbent article folded in the cross direction CD with reference to a folding line. The web joint apparatus includes: an ultrasonic horn configured to join the paired waistline portions; an anvil facing the ultrasonic horn and configured to pinch the intermediate web between the anvil and the ultrasonic horn; and a crotch hold bar configured to hold the intermediate web while stretching the intermediate web in a direction in which the crotch portions get away from the waistline portions, when the intermediate web are joined by the ultrasonic horn and the anvil.

Growing community of inventors

Kagawa, Japan

Hiroki Yamamoto