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1. JP2016140559 - ABSORBENT ARTICLE

Office Japan
Application Number 2015018509
Application Date 02.02.2015
Publication Number 2016140559
Publication Date 08.08.2016
Grant Number 6399306
Grant Date 14.09.2018
Publication Kind B2
IPC
A61F 13/534
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
53characterised by the absorbing medium
534having an inhomogeneous composition through the thickness of the pad
A61F 13/535
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
53characterised by the absorbing medium
534having an inhomogeneous composition through the thickness of the pad
535inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
A61F 13/537
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
53characterised by the absorbing medium
534having an inhomogeneous composition through the thickness of the pad
537characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
Applicants OJI HOLDINGS CORP
王子ホールディングス株式会社
Inventors ASAI KINYA
朝井 欣哉
KANESASHI TAKAMI
金刺 敬美
Agents 廣瀬 隆行
関 大祐
Title
(EN) ABSORBENT ARTICLE
(JA) 吸収性物品
Abstract
(EN)

PROBLEM TO BE SOLVED: To provide an absorbent article which is high in diffusibility of liquid and can effectively absorb urine by SAP.

SOLUTION: In an absorbent article provided with an upper layer absorber 30 and a lower layer absorber 40 that are layered in a thickness direction between a liquid-permeable top sheet 10 and a liquid-impermeable back sheet 20, the upper layer absorber 30 has an upper side opening 31, and the lower layer absorber 40 has a lower side opening 41 that extends in a longitudinal direction and overlaps at least partially the upper side opening 31. Between the upper layer absorber 30 and the lower layer absorber 40 is provided a SAP layer 50 formed by a plurality of superabsorbent polymers (SAP) being arranged. The SAP layer 50 is formed on both left and right sides in a width direction of an opening penetration part 42 where at least the upper side opening 31 and the lower side opening 41 overlap.

SELECTED DRAWING: Figure 2

COPYRIGHT: (C)2016,JPO&INPIT

(JA)

【課題】液体の拡散性が高くSAPによって効果的に尿を吸収できる吸収性物品を提供する。
【解決手段】液透過性のトップシート10と液不透過性のバックシート20の間に介在して厚み方向に重ねられた上層吸収体30と下層吸収体40とを備えた吸収性物品において,上層吸収体30は上側開口部31を有し,下層吸収体40は長手方向に延び上側開口部31と少なくとも部分的に重なる下側開口部41を有しており,上層吸収体30と下層吸収体40の間には,複数の高吸水性ポリマー(SAP)が配置されることにより形成されたSAP層50が設けられ,SAP層50は,少なくとも上側開口部31と下側開口部41とが重なる開口貫通部分42の幅方向の左右両側に形成されている。
【選択図】図2