Method of assembling laminated glazing including overmolded parts
A technology of overmolding and assembling method, applied in the direction of lamination device, lamination, vehicle parts, etc., can solve problems such as inconvenience for industrial products, deterioration of reflected optical quality, affecting transmission optical quality, etc.
Active Publication Date: 2022-04-08
SAINT GOBAIN VITRAGE SA
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- Application Information
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Problems solved by technology
[0021] 3) The transmitted optical quality around the part is severely affected due to the deformation of the two glasses near the part; and
[0022] 4) Degraded reflective optical quality of glazing in the vicinity of components
These cutting and stacking operations are difficult to master and inconvenient for industrial products
Method used
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Embodiment Construction
[0056] refer to Figure 1a with 1b , the overmoulded parts 10, 11 are shown in top and bottom position, respectively, of a windshield 1 of a motor vehicle.
[0057] Figure 1a Products such as those visible to the driver of the vehicle are shown. The silk-screened portions 20, 21 on the face 4 of the windshield hide part of the overmoulded parts 10 and 11 from the view of the occupants of the motor vehicle, but make useful parts visible from the view of the cockpit of the vehicle. These silkscreen parts are in Figure 1b is artificially shown transparent in order to be able to see the overmolded parts 10 and 11 introduced between the glass sheets.
[0058] The overmolded part 10 is a cable strap that allows the camera located inside the vehicle to be connected to its computer located elsewhere in the cockpit of the vehicle. The overmolded part 10 is located at the top center of the windshield and is equipped with connectors at each of its two ends.
[0059] The overmolded ...
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Abstract
The invention relates to - a method of assembling a laminated glazing (1), wherein - an overmolded part (10; 11) is placed inside a window cut in a sheet of adhesive (4); - the overmolded part (10; 11, 4d) and pre-cut adhesive sheets (4, 4e) are point-bonded (5) on the first glass sheet (2) near the window so that the sides of the first glass sheet abutting against the lateral walls of the overmolded part (10; 11, 4d); - point bonding (6) of the adhesive sheet (4, 4e) and the second glass sheet (3); and - the assembly of laminated glazing (1) by applying suitable temperatures and pressures in a conventional manner; - the laminated glazing (1) obtained by this method and its use for transport vehicles, the construction industry, urban furniture or interior design application.
Description
technical field [0001] The present invention relates to the field of curved and laminated glazing for motor vehicles or other applications where it is desired to integrate components into an intervening adhesive sheet (e.g. polyethylene Alcohol butyral-PVB-). Background technique [0002] Currently, glass manufacturers find it very difficult to integrate components with significant thickness and area, ie typically thicker than 0.2mm and lateral dimension greater than 5mm. [0003] In fact, such a part placed directly between the glass sheets would create additional volume. Furthermore, PVB is known to have difficulty flowing over distances greater than a few millimeters during assembly and autoclavage. Furthermore, the extra volume occupied by the part will cause a local thickening of the glazing and will lead to deformation of the internal and external glass constituting the product. Therefore, different undesirable behaviors may occur: [0004] - Excessively high local...
Claims
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IPC IPC(8): C03C27/06B32B17/10B60Q1/02B60K35/00B60Q1/26
CPCB32B17/10036B32B17/10541B32B17/10761B60Q1/268B60Q1/0094C03C27/06B32B7/12B32B17/1055B32B17/10871B60Q1/02C03C27/10B32B2605/006B32B37/182B32B2307/412B32B2307/416B32B2551/08B32B2605/00
Inventor P.弗勒堡
Owner SAINT GOBAIN VITRAGE SA