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Patent Searching and Data


Title:
METHOD AND APPARATUS FOR PRODUCING GLASS ARTICLE, AND GLASS ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/138990
Kind Code:
A1
Abstract:
This method for producing a glass article comprises cutting a mother glass G2 by irradiating a main surface G2a of the mother glass G2 with laser light L3 along a cutting line CL. The laser light L3 is radiated in a line having a length LL and a width LW. In the step for cutting the mother glass G2, the mother glass G2 is cleaved by causing a laser light L3 irradiation site G2e in the mother glass G2 to expand by the heat of the laser light L3.

Inventors:
ODANI Osamu (7-1, Seiran 2-chome, Otsu-sh, Shiga 39, 〒5208639, JP)
IKEMOTO Masayuki (7-1, Seiran 2-chome, Otsu-sh, Shiga 39, 〒5208639, JP)
Application Number:
JP2019/000168
Publication Date:
July 18, 2019
Filing Date:
January 08, 2019
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO., LTD. (7-1 Seiran 2-chome, Otsu-shi Shiga, 39, 〒5208639, JP)
International Classes:
C03B33/09; B23K26/53
Domestic Patent References:
WO2014119780A12014-08-07
Foreign References:
JP2000141071A2000-05-23
JP2009018344A2009-01-29
JP2005039250A2005-02-10
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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