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公开(公告)号：US20220009142A1
公开(公告)日：2022-01-13
申请号：US17282763
申请日：2019-10-28
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA
Abstract: In a manufacturing method, resin in a molten state which becomes a film raw material is caused to hang down from a discharge port of a discharger and the film-like film raw material is continuously discharged, a sheet is conveyed along a sheet pass line, a tip part of the film raw material is formed by cutting and removing an initially formed part of the initially formed film raw material, the tip part is overlapped on the sheet on the sheet pass line, the sheet and the film raw material in a mutually overlapping state are conveyed along the sheet pass line, and the sheet and the film raw material are introduced to a joining part from the sheet pass line.
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公开(公告)号：US20210038440A1
公开(公告)日：2021-02-11
申请号：US16965151
申请日：2019-01-23
Applicant: ZUIKO CORPORATION
Inventor： Miwa KOSHIJIMA , Hideyuki NAKAMURA
Abstract: Provided are: a method and apparatus for manufacturing a highly permeable elastic sheet; a method and apparatus for manufacturing a highly gas-permeable stretchable composite sheet; and a highly gas-permeable stretchable composite sheet. An elastic resin material containing a thermoplastic elastic resin as a main component is melted by being heated to a temperature higher than a temperature range in which the elastic resin material is elastically deformed, the molten elastic resin material is discharged in a fibrous or linear form, the discharged elastic resin material (intermediate) is applied in a net shape onto a cooling member, the applied elastic resin material is cooled by the cooling member to the temperature region in which the elastic resin material is elastically deformed, and the applied elastic resin material is solidified to obtain an elastic sheet. The elastic sheet and non-woven fabrics are stacked and joined to obtain a stretchable composite sheet.
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3.发明申请公开(公告)号：US20210031428A1
公开(公告)日：2021-02-04
申请号：US16967025
申请日：2018-12-14
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA , Miwa KOSHIJIMA
Abstract: In the present invention, an elastic resin material having a thermoplastic elastic resin is extruded into a sheet shape on a die and made to have a thickness that varies along the width direction, and then is cooled, to a temperature in which the elastic resin material elastically deforms, to form a sheet body that varies in thickness along the width direction, and a stretchable sheet is formed by laminating and joining base sheets. The sheet body includes at least two first and second regions adjacent to each other in the width direction, and the thicknesses of the second regions are greater than that of the first regions. In a wearable article, the stretchable sheet is disposed so that at least a portion of the second regions is closer to an opening around a body or an opening around a leg of the disposable wearable article than the first regions.
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公开(公告)号：US20200179180A1
公开(公告)日：2020-06-11
申请号：US16614736
申请日：2018-06-13
Applicant: ZUIKO CORPORATION
Inventor： Miwa KOSHIJIMA , Hideyuki NAKAMURA
Abstract: There are disposed, in a width direction of an anvil roll, a plurality of first projections for producing joint portions where a pair of sheets are jointed to each other; each of the first projections extends in a circumferential direction of the anvil roll and includes a carrying groove carrying an elastic member while the elastic member has entered in the groove; and between one first projection and another first projection adjacent to each other in the width direction, at least one receiving part for receiving the pair of sheets is arranged.
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5.发明申请公开(公告)号：US20180140473A1
公开(公告)日：2018-05-24
申请号：US15736103
申请日：2016-06-17
Applicant: ZUIKO CORPORATION
Inventor： Miwa KOSHIJIMA , Hideyuki NAKAMURA
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.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200170845A1
公开(公告)日：2020-06-04
申请号：US16630750
申请日：2018-08-01
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA , Yukihiko FUJITA , Miwa KOSHIJIMA
IPC: A61F13/15 , A61F13/539
Abstract: The liquid permeability and liquid diffusion of absorbent body is enhanced. (i) A belt-like main sheet formed of a non-woven fabric sheet constituting at least part of a first main surface is conveyed in a longitudinal direction of the main sheet; (ii) a slit is formed in the non-woven fabric sheet at a first position on a conveying path; (iii) at a second position, particulate matter absorbing and retaining liquid is dispersed into the first main surface, in such a way that the particulate matter is held in the non-woven fabric sheet; and (iv) at a third position, a covering sheet which prevents passage of the particulate matter is overlaid on the first main surface. At the second position, the non-woven fabric sheet includes a bulky structure which constitutes at least part of the first main surface and which has voids allowing the particulate matter to enter.
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7.发明申请公开(公告)号：US20190224053A1
公开(公告)日：2019-07-25
申请号：US16330081
申请日：2017-09-07
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA , Miwa KOSHIJIMA
Abstract: A stretchable sheet 10 includes: a plurality of attached portions 3 spaced apart from each other in the direction of stretch Df, wherein the first surfaces 1f and 2f of a pair of sheets 1 and 2 are attached to each other by being welded without using an adhesive, at the attached portions 3, the attached portions 3 hold elastic members F, and the attached portions 3 extend in a direction Dp crossing the direction of stretch Df of the elastic members F; and a plurality of folds P that appear between the attached portions 3 while the elastic members F are shrunk, wherein a width W3 of the attached portions 3 in the direction of stretch Df is set to be 0.2 mm or more and less than 1.0 mm.
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8.发明申请公开(公告)号：US20190209396A1
公开(公告)日：2019-07-11
申请号：US16330082
申请日：2017-09-11
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA , Miwa KOSHIJIMA
CPC classification number: A61F13/49012 , A61F13/15 , A61F13/15764 , A61F13/49 , A61F2013/15869 , A61F2013/49025
Abstract: A stretchable sheet 10 includes: a plurality of attached portions 3 spaced apart from each other in the direction of stretch Df, wherein the first surfaces 1f and 2f of a pair of sheets 1 and 2 are attached to each other by being welded without using an adhesive, at the attached portions 3, the attached portions 3 hold elastic members F, and the attached portions 3 extend in a direction Dp crossing the direction of stretch Df of the elastic members F; and a plurality of folds P that appear between the attached portions 3 while the elastic members F are shrunk, wherein the attached portions 3 include: a plurality of strongly-attached portions 3s arranged on opposite sides of each elastic member F in the crossing direction Dp; and a plurality of weakly-attached portions 3w arranged between adjacent elastic members F and between adjacent strongly-attached portions 3s.
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9.发明申请公开(公告)号：US20190029890A1
公开(公告)日：2019-01-31
申请号：US16073065
申请日：2017-01-25
Applicant: ZUIKO CORPORATION
Inventor： Hideyuki NAKAMURA , Yukihiko FUJITA
Abstract: A sheet conveyance device for conveying, along a conveyance path, a sheet in which a given region from an obverse surface toward a reverse side thereof is composed of a non-woven fabric, and a powder supply device for supplying a powder to at least a partial zone of the sheet, are provided. Further, a fiber-raising device for raising fibers in at least part of the powder supply zone of the sheet is provided on the conveyance path at a position upstream of the powder supply device in a conveyance direction of the sheet.
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公开(公告)号：US20230294391A1
公开(公告)日：2023-09-21
申请号：US17796473
申请日：2021-02-09
Applicant: ZUIKO CORPORATION
Inventor： Yukihiko FUJITA , Hideyuki NAKAMURA
CPC classification number: B32B41/00 , B32B37/10 , B32B37/0053
Abstract: A layered body containing continuous sheets is thermally fused when passing through a space between an anvil roll and an energy applying device to form a layered sheet. A nip stage for sandwiching the layered body is provided upstream of the space between the anvil roll and the energy applying device. The nip stage includes at least one displacement member which is displaced in accordance with the thickness of the layered body sandwiched by the nip stage. Whether the thickness of the layered body sandwiched by the nip stage has deviated from a reference range is detected on the basis of the displacement of the displacement member, and when it is detected that the thickness has deviated from the reference range, the energy applying device is caused to retreat in a direction going away from the anvil roll.
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