US 11,697,438 B2
Emergency exit window for a public transport vehicle
Christophe Pailler, Perigny (FR); and Bastian Simoni, Nogent sur Marne (FR)
Assigned to SpeedInnov, Paris (FR)
Filed by SpeedInnov, Paris (FR)
Filed on Aug. 12, 2020, as Appl. No. 16/991,749.
Claims priority of application No. 19 09152 (FR), filed on Aug. 12, 2019.
Prior Publication US 2021/0046957 A1, Feb. 18, 2021
Int. Cl. B61D 25/00 (2006.01)
CPC B61D 25/00 (2013.01) 11 Claims
OG exemplary drawing
 
1. An emergency exit window for a public transport vehicle, comprising a pane, wherein the pane comprises:
at least one first zone with variable opaqueness, the first zone of the pane comprising a laminated glass comprising an outer sheet of glass and an inner sheet of glass that are arranged on either side of a film of variable opaqueness,
at least one second breakable zone, which may be broken in order to allow passage of people through the window, the second zone of the pane comprising a laminated glass formed by at least two superimposed sheets of glass, the second zone being devoid of intermediate film arranged between two successive superimposed sheets of the laminated glass, and
at least one third transparent or translucent zone with fixed opaqueness and withstanding breaking of the pane, the third zone of the pane comprising a laminated glass formed by at least two superimposed sheets of glass and an intermediate film arranged between two successive superimposed sheets of the laminated glass.