US 11,746,035 B2
Manufacturing method and manufacturing device of glass roll
Takayoshi Saito, Shiga (JP); Hiroki Mori, Shiga (JP); Riku Yamashiro, Shiga (JP); and Naotoshi Inayama, Shiga (JP)
Assigned to NIPPON ELECTRIC GLASS CO., LTD., Shiga (JP)
Appl. No. 17/615,204
Filed by Nippon Electric Glass Co., Ltd., Shiga (JP)
PCT Filed Jun. 25, 2020, PCT No. PCT/JP2020/025007
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2021/006054, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 2019-129201 (JP), filed on Jul. 11, 2019.
Prior Publication US 2022/0227655 A1, Jul. 21, 2022
Int. Cl. C03B 35/16 (2006.01)
CPC C03B 35/165 (2013.01) [C03B 35/162 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A manufacturing method of a glass roll, the manufacturing method comprising:
forming a functional film on a glass film transported by a transport device while heating the glass film in a state where the glass film is in contact with a heating roller; and
winding the glass film on which the functional film is formed into a roll shape,
wherein the glass film is coupled to a lead film via a coupling portion, and
the transport device is configured to separate the lead film and/or the coupling portion from the heating roller when the lead film and/or the coupling portion pass by the heating roller.