| abstract |
THE SUBJECT OF THE INVENTION IS A PROCESS FOR TREATING A LAMINATED GLAZING, ACCORDING TO WHICH IS INJECTED THROUGH AN EXTERNAL SHEET LASER RADIATION OF A WAVELENGTH AT WHICH AT LEAST THIS EXTERIOR SHEET IS TRANSPARENT, WHEN A LAYER SITUATED BEHIND HAS AN ABSORPTION COEFFICIENT ENHANCED TO THE RADIATION IN QUESTION. THEREFORE CAN BE CARRIED OUT ON A DETERMINED TRAJECTORY, A THERMAL TREATMENT OR HARDENING OF AT LEAST OF THE THERMOSPLASTIC INTERLAYERS, AND IN PARTICULAR, TRACING IN THE LAMINATED GLAZING, AN INFALSIFIABLE MARK. A SUBJECT OF THE INVENTION IS ALSO SHEET GLAZING MARKS BY THESE PROCESSES. |