US 11,745,476 B2
Device and method for forming a functional film intended to be laminated on an optical article
Youval Katzman, Shamir (IL); Marc Peter, Horgen (CH); Christelle Marck, Charenton-le-Pont (FR); and Jeanne Marchal, Charenton-le-Pont (FR)
Assigned to Essilor International, Charenton-le-Pont (FR); and Shamir Optical Industry Ltd, Shamir (IL)
Appl. No. 17/254,657
Filed by Essilor International, Charenton-le-Pont (FR); and SHAMIR OPTICAL INDUSTRY LTD, Shamir (IL)
PCT Filed Jun. 28, 2019, PCT No. PCT/EP2019/067334
§ 371(c)(1), (2) Date Dec. 21, 2020,
PCT Pub. No. WO2020/002606, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 18305830 (EP), filed on Jun. 28, 2018.
Prior Publication US 2021/0283888 A1, Sep. 16, 2021
Int. Cl. B32B 27/08 (2006.01); B32B 1/00 (2006.01); B32B 7/12 (2006.01); B32B 27/36 (2006.01); B32B 37/10 (2006.01); G02C 7/02 (2006.01)
CPC B32B 27/08 (2013.01) [B32B 1/00 (2013.01); B32B 7/12 (2013.01); B32B 27/36 (2013.01); B32B 37/10 (2013.01); G02C 7/02 (2013.01); B32B 2551/00 (2013.01); G02C 2202/16 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A film structure comprising:
a carrier layer;
a counter-force liner;
at least one functional film disposed in between said carrier layer and said counter-force liner in a predetermined receiving area;
a first adhesive layer that fastens the at least one functional film within the predetermined receiving area onto the carrier layer; and
a second adhesive layer that fastens the at least one functional film within the predetermined receiving area onto the counter-force liner,
wherein the carrier layer and the counter-force liner are larger than the functional film, and
the counter-force liner is attached to and in direct contact with the carrier layer, at least on a portion of a zone outside the predetermined receiving area on at least two opposite sides of the predetermined receiving area.