Nippon Electric Glass Co., Ltd.

Naoya Ishida

Hiroki Mori

Koichi Mori

Yoshinori Hasegawa

Taisei Matsubushi

Akio Nakabayashi

Hiroshi Naruse

Kaoru Mitsugi

Provided is a glass roll (), including: a winding core (); a film body (F), which is taken up into a roll shape by the winding core (), and includes a glass film () and a scattering prevention film () having a smaller width than the glass film (); and flanges () which are mounted to the winding core (), and which are arranged on both sides of the film body (F) in a width direction. The film body (F) includes a detachable displacement prevention film () on a termination end portion side of the glass film () in a take-up direction. The displacement prevention film () includes a wide portion () having a lager width than the glass film ().

Glass roll

Provided is a glass film ribbon manufacturing device (), including: a transverse conveyance unit (), which is configured to convey a glass film ribbon (G) in a transverse direction; and a cleaving unit (), which is arranged on a conveyance path of the transverse conveyance unit (), and is configured to cleave the glass film ribbon (G) along a preset cleaving line extending in a longitudinal direction, the transverse conveyance unit () including a wrinkle-smoothing unit () configured to smooth a wrinkle generated in the glass film ribbon (G) before the glass film ribbon (G) is cleaved by the cleaving unit ().

Glass film ribbon manufacturing method and glass film ribbon manufacturing device

Growing community of inventors

Shiga, Japan

Naoya Ishida