Patent SG-11201907847W-A (SG)
Title: Glass article with reduced thickness variation, method for making and apparatus therefor
Inventor: BOOKBINDER ANDREA WEISS
IPC: C03B17/06
Filed: 2018-02-23
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 07 September 2018 (07.09.2018) WIP0 I PCT IiiimmoimiolollmonolomomioommuminovoimIE (10) International Publication Number WO 2018/160452 Al (51) International Patent Classification: CO3B 17/06 (2006.01) (21) International Application Number: PCT/US2018/019391 (22) International Filing Date: 23 February 2018 (23.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/464,722 28 February 2017 (28.02.2017) US (71) Applicant: CORNING INCORPORATED [US/US]; 1 Riverfront Plaza, Corning, New York 14831 (US). (72) Inventors: BOOKBINDER, Andrea Weiss; 2675 Davis Road, Corning, New York 14830 (US). BOWDEN, Bradley Frederick; 223 East Pulteney Street, Corning, New York 14830 (US). KIMBALL, Ronald Lee; 3860 Pine Hill Road, Corning, New York 14830 (US). TAR- CZA, Steven Howard; 3410 Deer Crest Drive, Painted Post, New York 14870 (US). WHEDON, William Antho- ny; 262 Cedar Street, Corning, New York 14830 (US). (74) Agent: ABLE, Kevin M; Corning Incorporated, Intellectu- al Property Department, SP-Ti-03-01, Corning, New York 14831 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (54) Title: GLASS ARTICLE WITH REDUCED THICKNESS VARIATION, METHOD FOR MAKING AND APPARATUS THEREFOR 90 42 92 82 68 94 96 96 ‘... y — t) mos \ 100 106 108 110 104 112 114 1-1 112 104 98 cV O (57) : A glass article with a length equal to or greater than about 880 mm, a width orthogonal to the length equal to or greater than about 680 mm and a thickness T defined between first and second major surfaces is described. A total thickness variation TTV across the width of the glass article equal to or less than about 4 m. A maximum sliding interval range MSIR obtained from a 0 predetermined interval moved in 5 mm increments across a width of the glass article is equal to or less than about 4 m. A method of N making the glass article, and an apparatus therefor are also disclosed. C [Continued on next page] 84 r 84 78 I f80 FIG. 6 106 108 WO 2018/160452 Al D ill Published: — with international search report (Art. 21(3))