US 11,731,412 B2
Production method for film laminate
Junichi Inagaki, Ibaraki (JP); Takeshi Murashige, Ibaraki (JP); Kazuhito Hosokawa, Ibaraki (JP); Toshihiro Kanno, Ibaraki (JP); and Kota Nakai, Ibaraki (JP)
Assigned to NITTO DENKO CORPORATION, Ibaraki (JP)
Filed by NITTO DENKO CORPORATION, Ibaraki (JP)
Filed on Mar. 2, 2021, as Appl. No. 17/189,638.
Application 17/189,638 is a division of application No. 16/345,010, granted, now 10,960,610, previously published as PCT/JP2017/038011, filed on Oct. 20, 2017.
Claims priority of application No. 2016-209642 (JP), filed on Oct. 26, 2016.
Prior Publication US 2021/0178705 A1, Jun. 17, 2021
Int. Cl. B32B 37/00 (2006.01); B29C 65/48 (2006.01); B29C 65/00 (2006.01); C03C 17/32 (2006.01); B29L 9/00 (2006.01)
CPC B32B 37/0046 (2013.01) [B29C 65/48 (2013.01); B29C 66/72 (2013.01); C03C 17/32 (2013.01); B29L 2009/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A production method for a film laminate, comprising:
bonding a tough film having an elongated shape to a brittle film having an elongated shape while conveying the brittle film, by bringing the tough film close to the brittle film, and then
blowing of a gas from a side of the tough film opposite to the brittle film, the blowing of the gas being performed on a support roll or a support base, the support roll or the support base being arranged on a side of the brittle film opposite to the tough film,
wherein a gas pressure at a time of the blowing of the gas is from 0.01 MPa to 1 MPa, and
wherein the blowing of the gas comprises the blowing of the gas to the tough film before the brittle film and the tough film are brought into contact with each other.