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Patent Searching and Data


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)
Application Number:
PCT/JP2018/006252
Publication Date:
September 20, 2018
Filing Date:
February 21, 2018
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B33/037; B28D5/00
Domestic Patent References:
WO2016084614A12016-06-02
Foreign References:
JP2016069195A2016-05-09
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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