US 11,052,578 B2
Method for producing a thermoplastic combination film
Martin Arndt, Aachen (DE); Michele Cappuccilli, Aachen (DE); and Wolfgang Von Avenarius, Herzogenrath (DE)
Assigned to SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
Appl. No. 16/495,014
Filed by SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
PCT Filed Apr. 18, 2018, PCT No. PCT/EP2018/059805
§ 371(c)(1), (2) Date Sep. 17, 2019,
PCT Pub. No. WO2018/206245, PCT Pub. Date Nov. 15, 2018.
Claims priority of application No. 17170606 (EP), filed on May 11, 2017.
Prior Publication US 2020/0269472 A1, Aug. 27, 2020
Int. Cl. B29C 41/00 (2006.01); B29C 65/00 (2006.01); B29C 41/02 (2006.01); B29C 65/08 (2006.01); B29C 65/16 (2006.01); B29C 65/48 (2006.01); B29K 101/12 (2006.01); B29L 31/34 (2006.01)
CPC B29C 41/02 (2013.01) [B29C 65/08 (2013.01); B29C 65/16 (2013.01); B29C 65/48 (2013.01); B29K 2101/12 (2013.01); B29L 2031/34 (2013.01); B29L 2031/3475 (2013.01)] 9 Claims
OG exemplary drawing
 
1. Method for producing a thermoplastic combination film suitable for a composite glass pane, wherein
the thermoplastic combination film comprises at least one defined area, which is provided for a camera window or an HUD (head-up display) region that has a variable wedge angle, the method comprising:
providing a first thermoplastic film,
producing a second thermoplastic film with a variable wedge angle, wherein a three-dimensional shape of the second thermoplastic film is obtained by molding on a mold, and
joining together the first thermoplastic film and the second thermoplastic film.