US 12,434,992 B2
Heat chamfering apparatus and method
Euisoo Kim, Seongnam-si (KR); Bokyung Kong, Hwasung (KR); JooYoung Lee, Anyang-si (KR); and Kwangje Woo, Suwon-si (KR)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Appl. No. 18/285,279
Filed by Corning Incorporated, Corning, NY (US)
PCT Filed Mar. 31, 2022, PCT No. PCT/US2022/022792
§ 371(c)(1), (2) Date Oct. 2, 2023,
PCT Pub. No. WO2022/212683, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 10-2021-0042830 (KR), filed on Apr. 1, 2021.
Prior Publication US 2024/0182348 A1, Jun. 6, 2024
Int. Cl. C03B 33/09 (2006.01); B28D 1/22 (2006.01)
CPC C03B 33/09 (2013.01) [B28D 1/221 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A heat chamfering apparatus comprising:
a heated body configured to peel an edge of a glass panel by applying thermal shock to the glass panel while being in contact with the edge of the glass panel; and
a heater heating the heated body,
wherein the heated body comprises a heated region and a contact region in a longitudinal direction thereof, the heated region being heated by the heater, and the contact region being configured to be in contact with the glass panel,
the cross-sectional area of the contact region is smaller than the cross-sectional area of the heated region,
the contact region has a closest point located most adjacently to the glass panel and a farthest point located farthest from the glass panel, and
the contact region comprises a first cross-section portion to which the closest point belongs and a second cross-section portion to which the farthest point belongs, divided by a perpendicular bisector of a line segment connecting the closest point and the farthest point, a cross-sectional area of the first cross-section portion being smaller than a cross-sectional area of the second cross-section portion.