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1. (WO2018017516) MONITORING OF CURE STATE THROUGH THE USE OF MICROWAVES
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Pub. No.: WO/2018/017516 International Application No.: PCT/US2017/042490
Publication Date: 25.01.2018 International Filing Date: 18.07.2017
IPC:
B29D 30/06 (2006.01) ,B29C 35/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30
Producing pneumatic or solid tyres or parts thereof
06
Pneumatic tyres or parts thereof
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
35
Heating, cooling or curing, e.g. crosslinking, vulcanising; Apparatus therefor
02
Heating or curing, e.g. crosslinking, vulcanising
Applicants:
JUDD, David [US/US]; US (US)
GRAMLING, Frank [US/US]; US (US)
ZOUGHI, Reza [US/US]; US (US)
GHASR, Mohammad Tayeb [IR/US]; US (US)
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR/FR]; 12 Cours Sablon 63000 Clermont-ferrand, FR
THE CURATORS OF THE UNIVERSITY OF MISSOURI FOR MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY [US/US]; 300 West 12th Street 202 Centennial Hall Rolla, MI 65409, US
Inventors:
JUDD, David; US
GRAMLING, Frank; US
ZOUGHI, Reza; US
GHASR, Mohammad Tayeb; US
Agent:
PIEROTTI, Neal P.; US
Priority Data:
PCT/US2016/04274818.07.2016US
Title (EN) MONITORING OF CURE STATE THROUGH THE USE OF MICROWAVES
(FR) SURVEILLANCE D'UN ÉTAT DE DURCISSEMENT PAR L'UTILISATION DE MICRO-ONDES
Abstract:
(EN) A method of manufacturing a tire is provided that includes curing the tire (10) in a curing press (12) and applying microwave energy at a given frequency band into the tire. The interaction between the microwave energy and the tire is monitored to obtain a complex reflection coefficient. A root-mean-squared error is calculated using the measured complex reflection coefficient and a reference reflection coefficient. The reference reflection coefficient is from a fully cured tire made from the same material as the tire. Continuous monitoring of the interaction takes place to obtain the complex reflection coefficient along with continuous calculation of the root-mean-squared error at different times during the curing of the tire in the curing press. The calculated root-mean-squared errors are used to determine whether to stop the curing of the tire in the curing press.
(FR) L'invention porte sur un procédé de fabrication d'un pneu qui consiste à durcir le pneu (10) dans une presse à vulcaniser (12) et à appliquer au pneu une énergie à base de micro-ondes à une bande de fréquence donnée. L'interaction entre l'énergie à base de micro-ondes et le pneu est surveillée pour obtenir un coefficient de réflexion complexe. Un écart moyen quadratique est calculé à l'aide du coefficient de réflexion complexe mesuré et d'un coefficient de réflexion de référence. Le coefficient de réflexion de référence est obtenu à partir d'un pneu complètement durci constitué du même matériau que le pneu. La surveillance continue de l'interaction permet d'obtenir le coefficient de réflexion complexe ainsi que le calcul en continu de l'écart moyen quadratique à différents moments au cours du durcissement du pneu dans la presse à vulcaniser. Les écarts moyens quadratiques calculés sont utilisés pour déterminer s'il faut arrêter le durcissement du pneu dans la presse à vulcaniser.
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, 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)