Title:
GLASS FILM MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/114021
Kind Code:
A1
Abstract:
A glass film manufacturing method comprising a molding step P1 for molding a belt-shaped glass film G, a vertical conveyance step P2 for conveying the belt-shaped glass film G in a vertical direction D1, a direction changing step P3 for causing the belt-shaped glass film G to pass through a catenary 1 and causing the conveyance direction thereof to change from the vertical direction D1 to a horizontal direction D2, a wrinkle removal step P4 for eliminating wrinkles C of the belt-shaped glass film G entering the catenary 1, and a horizontal conveyance step P5 for conveying the belt-shaped glass film G in the horizontal direction D2, said method being such that in the wrinkle removal step P4, tension toward the width direction outer side relative to the conveyance direction of the belt-shaped glass film G is imparted to the belt-shaped glass film G further on the downstream side than the catenary 1.
Inventors:
NAGATA DAISUKE (JP)
IWATA SHUZO (JP)
IWATA SHUZO (JP)
Application Number:
PCT/JP2021/043042
Publication Date:
June 02, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B17/06; B65H23/025; C03B35/14
Domestic Patent References:
| WO2010141846A1 | 2010-12-09 |
Foreign References:
| JP2017524640A | 2017-08-31 | |||
| JP2018522802A | 2018-08-16 | |||
| JP2016523220A | 2016-08-08 | |||
| JP2019104642A | 2019-06-27 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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