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For reinforcement of openings in glazing units

A technology of glass windows, reinforcements, applied in the field of devices for strengthening said openings

Active Publication Date: 2019-04-30
SAINT GOBAIN VITRAGE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The openings cause two problems in terms of resistance to mechanical stress: the cutouts form edges that have to bear the load during the use of the glazing unit, and the cutouts form areas of stress concentration due to local removal of material

Method used

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  • For reinforcement of openings in glazing units
  • For reinforcement of openings in glazing units
  • For reinforcement of openings in glazing units

Examples

Experimental program
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Effect test

Embodiment Construction

[0035] figure 1 A glass substrate pierced with enhanced openings according to the invention is shown. A glass substrate 1 of the inorganic glass plate type comprises a through-opening 2 . The ring reinforcement 3 is bonded via its bonding track 6 which completely surrounds the opening 2 on the main surface of the glass substrate 1 and glue 4 . In a), the perimeter of the hole in the ring is smaller than the perimeter of the opening of the glass substrate, and the reinforcement thus covers part of the opening. In this case, the opening in the glass substrate surrounds the hole in the reinforcement. In b), the perimeter of the holes in the reinforcement is larger than the openings in the glass substrate (the holes surround the openings), and the holes in the reinforcement are partially hidden by the main surface of the substrate. In this case, the hole in the reinforcement surrounds the opening in the glass substrate. In the case in question, the distance "d" between the edg...

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Abstract

The invention relates to a glazing unit comprising a glass substrate comprising a pane of inorganic glass, said glass substrate comprising a through-opening, a reinforcement being bonded to the main body of said glass substrate by means of a bonding track surrounding said opening. face. The area of ​​the opening is thus enhanced. The reinforcement may comprise a housing formed at least in part by an aperture, said housing receiving a circuit carrying LEDs illuminating an edge face of the opening. This may form a device for illuminating the passenger compartment of a motor vehicle.

Description

technical field [0001] The invention relates to the field of glazing units provided with openings and proposes means for reinforcing said openings. Background technique [0002] In use, glazing units are exposed to thermal or mechanical stresses, especially during their handling, which they must withstand in order to prevent them from breaking. For example, vehicle windshields are exposed to mechanical forces on their perimeter during their installation into the vehicle body, whether this is done manually or robotically. In addition to mechanical stress, the glazing unit may also be exposed to heat source stress, for example during a windshield defogging cycle. These stresses at the edges of the glazing unit from thermal or mechanical sources lead to a risk of cracking. In order to provide high mechanical strength in the glazing unit, compressive edge stresses are generated during the manufacture of the glazing unit. These edge stresses are known and specified in the spec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60Q3/208B32B17/10F21V8/00F21V23/00
CPCB32B17/10293B32B17/10541B60Q3/208
Inventor T.克洛斯A.埃尼翁
Owner SAINT GOBAIN VITRAGE SA