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1. (WO1998015399) BREATHABLE ELASTIC POLYMERIC FILM LAMINATES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/015399 International Application No.: PCT/US1997/018537
Publication Date: 16.04.1998 International Filing Date: 09.10.1997
Chapter 2 Demand Filed: 07.05.1998
IPC:
A61F 13/15 (2006.01) ,B26F 1/26 (2006.01) ,B32B 27/12 (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
B PERFORMING OPERATIONS; TRANSPORTING
26
HAND CUTTING TOOLS; CUTTING; SEVERING
F
PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
1
Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
26
Perforating by non-mechanical means, e.g. by fluid jet
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27
Layered products essentially comprising synthetic resin
12
next to a fibrous or filamentary layer
Applicants:
TREDEGAR INDUSTRIES, INC. [US/US]; 1100 Boulders Parkway Richmond, VA 23225, US
Inventors:
PELKIE, James, E.; US
Agent:
BACON, Jeffery, E. ; Jenkens & Gilchrist, P.C. Suite 3200 1445 Ross Avenue Dallas, TX 75202, US
Priority Data:
08/728,69210.10.1996US
08/729,62910.10.1996US
Title (EN) BREATHABLE ELASTIC POLYMERIC FILM LAMINATES
(FR) LAMINE POLYMERE ELASTIQUE IMPER-RESPIRANT
Abstract:
(EN) An elastomeric breathable three-dimensional composite laminate (18) and the process for producing the same are disclosed. A carrier material (10) is supplied onto a top surface of continuous portions of an elastomeric film (12) to form the composite material. A pressure differential is applied to a bottom surface of the film for a period of time sufficient for three-dimensional apertured structures (36) to be formed in the film.
(FR) Cette invention se rapporte à un laminé composite (18) imper-respirant, élastomère, à trois dimensions et au procédé de fabrication correspondant. On dispose une matière support (10) sur la face supérieure de zones continues d'un film élastomère (12) afin de former la matière composite. On applique un différentiel de pression au niveau de la face inférieure du film pendant un laps de temps suffisant pour former dans le film des structures (36) perforées en trois dimensions.
Designated States: AL, AU, BA, BB, BG, BR, CA, CN, CU, CZ, EE, GE, HU, ID, IL, IS, JP, KP, KR, LC, LK, LR, LT, LV, MG, MK, MN, MX, NO, NZ, PL, RO, SG, SI, SK, SL, TR, TT, UA, UZ, VN, YU
African Regional Intellectual Property Organization (ARIPO) (GH, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)