Patent · US Active

Method for producing a thermoplastic combination film

US11052578B2 · kind B2 · utility

0Cited by

5References

9Claims

0Family size

Assignee

SAINT-GOBAIN GLASS FRANCE · FR

Inventors

Martin Arndt · Aachen, DE
Michele CAPPUCCILLI · Aachen, DE
Wolfgang Von Avenarius · Herzogenrath, DE

Key dates

Filing date	Apr 18, 2018
Grant date	Jul 6, 2021
Priority date	—
Expiry date	Sep 29, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/01
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method for producing a thermoplastic combination film suitable for a composite glass pane, wherein the thermoplastic combination film includes 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 including providing a first thermoplastic film, producing a second thermoplastic film with a variable wedge angle, wherein the three-dimensional shape of second thermoplastic film is obtained by molding on a mold, and joining together the first thermoplastic film and the second thermoplastic film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.