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1. JP2020103794 - MANUFACTURING METHOD OF SHEET MEMBER, AND MANUFACTURING APPARATUS OF SHEET MEMBER

Office
Japan
Application Number 2018247703
Application Date 28.12.2018
Publication Number 2020103794
Publication Date 09.07.2020
Publication Kind A
IPC
A61F 13/15
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
13Bandages or dressings; Absorbent pads
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
A61F 13/511
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
13Bandages or dressings; Absorbent pads
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
51characterised by the outer layers of the pads
511Topsheet, i.e. the permeable cover or layer facing the skin
D04H 1/498
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING
1Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
40from fleeces or layers composed of fibres without existing or potential cohesive properties
44the fleeces or layers being consolidated by mechanical means, e.g. by rolling
46by needling or like operations to cause entanglement of fibres
498entanglement of layered webs
D06C 29/00
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
29Finishing or dressing, of textile fabrics, not provided for in the other groups of this subclass
CPC
A61F 13/15
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
13Bandages or dressings
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body
A61F 13/511
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
13Bandages or dressings
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body
51characterised by the outer layers
511Topsheet, i.e. the permeable cover or layer facing the skin
D04H 1/498
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL
1Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
40from fleeces or layers composed of fibres without existing or potential cohesive properties
44the fleeces or layers being consolidated by mechanical means, e.g. by rolling
46by needling or like operations to cause entanglement of fibres
498entanglement of layered webs
D06C 29/00
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
29Finishing or dressing, of textile fabrics, not provided for in the preceding groups
Applicants UNI CHARM CORP
ユニ・チャーム株式会社
Inventors KIMURA AKIHIRO
木村 明寛
IDETANI KO
出谷 耕
NOMOTO TAKASHI
野本 貴志
NANAUMI HISATAKA
七海 久孝
Agents 一色国際特許業務法人
Title
(EN) MANUFACTURING METHOD OF SHEET MEMBER, AND MANUFACTURING APPARATUS OF SHEET MEMBER
(JA) シート部材の製造方法及びシート部材の製造装置
Abstract
(EN)

PROBLEM TO BE SOLVED: To manufacture a sheet member at a lower cost by reducing a fear of excessively cutting a fabric while reducing a fear of generating unevenness due to a fiber density.

SOLUTION: A manufacturing method for a sheet member (70) for an absorbent article, having a fabric (40) and a fiber assembly (50) entangled with the fabric (40) includes: an arrangement step of arranging the fiber assembly (50) at a side of at least one surface of the fabric (40) continuous in a conveyance direction; an entangling step of injecting fluid to the fabric (40) and the fiber assembly (50) after the arrangement step so as to entangle the fiber assembly (50) with the fabric (40); and a cutting step of cutting both end parts of the fiber assembly (50) in a CD direction crossing the conveyance direction after the entangling step. In the manufacturing method for the sheet member (70), a maximum length in the CD direction of the fiber assembly (50) is equal to or more than a length in the CD direction of the fabric (40).

SELECTED DRAWING: Figure 6

COPYRIGHT: (C)2020,JPO&INPIT

(JA)

【課題】繊維密度によるムラが発生する恐れを軽減しつつ、織物を過度に切り落とす恐れを軽減させて、より低コストでシート部材を製造することを目的とする。
【解決手段】織物(40)と、織物(40)に交絡させた状態の繊維集合体(50)と、を有する吸収性物品用のシート部材(70)の製造方法であって、搬送方向に連続する織物(40)の少なくとも一方の面の側に繊維集合体(50)を配置する配置ステップと、前記配置ステップの後に、織物(40)及び繊維集合体(50)に向かって流体を噴射して、織物(40)に繊維集合体(50)を交絡させる交絡ステップと、交絡ステップの後に、搬送方向と交差するCD方向における繊維集合体(50)の両端部を切断する切断ステップと、を有し、繊維集合体(50)のCD方向の最大長さが、織物(40)のCD方向の長さ以上であることを特徴とするシート部材(70)の製造方法である。
【選択図】図6

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