Title:
METHOD FOR PRODUCING GLASS FILM
Document Type and Number:
WIPO Patent Application WO/2018/147111
Kind Code:
A1
Abstract:
A method for producing a glass film includes: a conveyance step of conveying a long glass film G along the direction of the length of the glass film G; and a cutting step of irradiating the glass film G with laser beam L from a laser irradiation device 19 while conveying the glass film G by the conveying step to separate the glass film G. In the cutting step, a thread-like stripping product Ge is produced in a helical form from a width-direction end part of the separated glass film G. The width W of the thread-like stripping product Ge is 180 to 300 μm inclusive. The diameter D of the helix of the thread-like stripping product Ge is 80 to 200 mm inclusive.
Inventors:
MORI HIROKI (JP)
MORI KOICHI (JP)
AKIYAMA SHUJI (JP)
UEMURA YASUHIRO (JP)
MATSUMOTO NAOYUKI (JP)
MORI KOICHI (JP)
AKIYAMA SHUJI (JP)
UEMURA YASUHIRO (JP)
MATSUMOTO NAOYUKI (JP)
Application Number:
PCT/JP2018/002675
Publication Date:
August 16, 2018
Filing Date:
January 29, 2018
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B33/08; B23K26/50; C03B17/06
Domestic Patent References:
| WO2014002685A1 | 2014-01-03 | |||
| WO2014192482A1 | 2014-12-04 |
Foreign References:
| JP2012526721A | 2012-11-01 | |||
| JP2017214240A | 2017-12-07 | |||
| JP2018024536A | 2018-02-15 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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