Title:
METHOD FOR MANUFACTURING GLASS PLATE
Document Type and Number:
WIPO Patent Application WO/2018/168366
Kind Code:
A1
Abstract:
In this method for manufacturing a glass plate, a first scribe line 3 that does not accompany a median crack is formed on one main surface 2a of an original glass plate 2. Then, a second scribe line 4 which intersects the first scribe line 3 and does not accompany the median crack is formed on the main surface 2a. Thereafter, a trigger scribe line 5 connected to a portion of the second scribe line 4 and accompanying the median crack is formed on the main surface 2a, wherein said portion is closer to a terminal side than the first scribe line 3.
Inventors:
SHIMOTSU KOICHI (JP)
KUNITOMO KAZUNOBU (JP)
NODA TAKAYUKI (JP)
UCHIDA SETSUO (JP)
IZUMI JUNICHI (JP)
KITAGAWA SHO (JP)
KUNITOMO KAZUNOBU (JP)
NODA TAKAYUKI (JP)
UCHIDA SETSUO (JP)
IZUMI JUNICHI (JP)
KITAGAWA SHO (JP)
Application Number:
PCT/JP2018/006252
Publication Date:
September 20, 2018
Filing Date:
February 21, 2018
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B33/037; B28D5/00
Domestic Patent References:
WO2016084614A1 | 2016-06-02 |
Foreign References:
JP2016069195A | 2016-05-09 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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