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1. (WO2017171782) ABSORBENT CORES AND METHODS FOR FORMING ABSORBENT CORES
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2017/171782 International Application No.: PCT/US2016/025190
Publication Date: 05.10.2017 International Filing Date: 31.03.2016
Chapter 2 Demand Filed: 31.01.2018
IPC:
A61F 13/15 (2006.01) ,A61F 13/535 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS 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
13
Bandages or dressings; Absorbent pads
15
Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS 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
13
Bandages or dressings; Absorbent pads
15
Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
53
characterised by the absorbing medium
534
having an inhomogeneous composition through the thickness of the pad
535
inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
Applicants:
KIMBERLY-CLARK WORLDWIDE, INC. [US/US]; 2300 WInchester Road Neenah, Wisconsin 54956, US
Inventors:
VENTURINO, Michael, B.; US
Agent:
CABELKA, Joseph S.; US
Priority Data:
Title (EN) ABSORBENT CORES AND METHODS FOR FORMING ABSORBENT CORES
(FR) NOYAUX ABSORBANTS ET PROCÉDÉS DE FORMATION DE NOYAUX ABSORBANTS
Abstract:
(EN) Pulpless absorbent cores and methods of manufacture are disclosed. A method of forming an absorbent core may comprise moving a forming surface in a machine direction, creating a pressure differential across the forming surface, advancing a base carrier sheet on the forming surface in the machine direction, applying a first adhesive onto the base carrier sheet, and applying a first quantity of particulate material onto the first adhesive at a first cross-machine direction width. The method may further comprise depositing a matrix of material onto the first quantity of particulate material at a second cross-machine direction width, the matrix of material comprising a second quantity of particulate material and a second adhesive, wherein the second cross-machine direction width is smaller than the first cross-machine direction width, and wherein the second quantity of particulate material and the adhesive are pre-mixed prior to deposition onto the first quantity of particulate material.
(FR) L'invention concerne des noyaux absorbants sans pâte et des procédés de fabrication. Un procédé de formation d'un noyau absorbant peut consister à déplacer une surface de formation dans un sens machine, à créer un différentiel de pression à travers la surface de formation, à faire avancer une feuille de support de base sur la surface de formation dans le sens machine, à appliquer un premier adhésif sur la feuille de support de base et appliquer une première quantité de matériau particulaire sur le premier adhésif au niveau d'une première largeur de sens machine transversale. Le procédé peut en outre consister à déposer une matrice de matériau sur la première quantité de matériau particulaire au niveau d'une seconde largeur de sens machine transversale, la matrice de matériau comprenant une seconde quantité de matériau particulaire et un second adhésif, la seconde largeur de sens machine transversale étant plus petite que la première largeur de sens machine transversale, et la seconde quantité de matériau particulaire et l'adhésif étant pré-mélangés avant le dépôt sur la première quantité de matériau particulaire.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)