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1. (WO2010077303) FORMING SCREENS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/077303 International Application No.: PCT/US2009/006540
Publication Date: 08.07.2010 International Filing Date: 14.12.2009
IPC:
B26F 1/26 (2006.01) ,A61F 13/15 (2006.01) ,B29C 51/22 (2006.01) ,B29C 59/06 (2006.01) ,B29C 71/00 (2006.01)
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
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
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
51
Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
18
Thermoforming apparatus
20
having movable moulds or mould parts
22
rotatable about an axis
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
59
Surface shaping, e.g. embossing; Apparatus therefor
02
by mechanical means, e.g. pressing
06
using vacuum drums
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
71
After-treatment of articles without altering their shape; Apparatus therefor
Applicants:
TREDEGAR FILM PRODUCTS CORPORATION [US/US]; 1100 Boulders Parkway Richmond, VA 23225, US (AllExceptUS)
THOMAS, Paul, E. [US/US]; US (UsOnly)
BOWER, Sean [US/US]; US (UsOnly)
Inventors:
THOMAS, Paul, E.; US
BOWER, Sean; US
Agent:
TESSARI, Joseph, A.; Tessari Patent Law Group, PLLC 1 North Bacton Hill Road Suite 208 Frazer, Pennsylvania 19355, US
Priority Data:
12/316,64515.12.2008US
12/592,65701.12.2009US
Title (EN) FORMING SCREENS
(FR) ECRANS DE FORMAGE
Abstract:
(EN) Composite forming screens comprise a layer of hard rubber with a Shore D hardness of 12-90, preferably 33-90 and most preferably 46-60 and in preferred embodiments, comprise a support layer of plastic or metal bonded to the hard rubber to form a composite. The forming screens may be planar or cylindrical and are provided with a plurality of apertures or through holes and a pattern of fine scale structures. Methods of making the forming screens are also disclosed.
(FR) L'invention concerne des écrans de formage composites comprenant une couche de caoutchouc dur avec une dureté Shore D de 12 à 90, de préférence de 33 à 90 et de façon préférée entre toutes de 46 à 60. Dans des modes de réalisation préférés, ces écrans comprennent une couche de support en plastique ou en métal, collée au caoutchouc dur pour former un composite. Les écrans de formage peuvent être plans ou cylindriques, et sont dotés d'une pluralité d'ouvertures ou de trous débouchants et d'un motif de structures de petite taille. L'invention concerne également les procédés de fabrication des écrans de formage.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP2358509JP2012512055CN102245358CA2745035KR1020110094065BRPI0914392
IN2794/DELNP/2011