Title:
METHOD FOR MANUFACTURING LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/120246
Kind Code:
A1
Abstract:
A method for manufacturing a laminate, the method comprising a step for cutting a laminate 1, which is formed by laminating a glass sheet 2 and a resin sheet 3, along a planned cutting line 5, wherein the cutting step includes: a resin layer cutting step P1 for irradiating the laminate 1 with a laser 6 from the resin-sheet 3 side along the planned cutting line 5, thereby cutting the resin sheet 3; a recess formation step P2 for moving a tip 8 that presses the surface of the glass sheet 2 along the planned cutting line 5, thereby forming a recess 2a, at which the surface of the glass sheet 2 plastically deforms, along the planned cutting line 5; a crack formation step P3 for forming a crack line 9 along the recess 2a; and a glass layer folding step P4 for folding and cutting the glass sheet 2 using the crack line 9 as a start point.
Inventors:
YAMASHIRO RIKU (JP)
MORI HIROKI (JP)
NAKAJIMA MASAO (JP)
MATSUBUSHI TAISEI (JP)
MORI HIROKI (JP)
NAKAJIMA MASAO (JP)
MATSUBUSHI TAISEI (JP)
Application Number:
PCT/JP2022/045496
Publication Date:
June 29, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
B26F3/00; B23K26/364; B28D5/00; C03B33/07; C03B33/09
Domestic Patent References:
| WO2021140801A1 | 2021-07-15 | |||
| WO2021065805A1 | 2021-04-08 | |||
| WO2018066508A1 | 2018-04-12 |
Foreign References:
| JP2016164101A | 2016-09-08 | |||
| JP2019089672A | 2019-06-13 | |||
| JP2019122966A | 2019-07-25 | |||
| JP2017145188A | 2017-08-24 | |||
| JP2019167270A | 2019-10-03 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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