Vehicle glazing panel repair

Details Vehicle glazing panel repair Vehicle glazing panel repair

B - Operations, Transporting

32

B

B32B 17/10 (2006.01) B29C 73/02 (2006.01) B29C 73/24 (2006.01)

Patent

CA 2686413

In hot ambient conditions (particularly in climates having strong sunshine) vehicle glazing panels can reach high temperatures frequently in excess of 50°C and on occasions up to 90°C plus. In such high temperature conditions it is a known problem that small glazing panel breaks or cracks can become elongated (or result in shattering of the glazing panel) when stresses are applied to the glazing panel. The invention provides a method of repairing a flaw (such as a crack or break) in a vehicle glazing panel by first, wetting the surface of the glazing panel in the vicinity of the flaw and then generating a forced air flow to enhance evaporation of the wetted glazing panel, and subsequently conducting a repair process on the flaw.

Dans des conditions ambiantes chaudes (notamment sous des climats où le soleil tape fort) les panneaux de vitrage de véhicules peuvent atteindre des températures dépassant souvent les 50 °C et parfois même les 90 °C. Dans des conditions de températures élevées, il est bien connu que les petites fissures sur un panneau de vitrage peuvent s'allonger (ou finir par briser le panneau de vitrage) lorsque des contraintes sont appliquées sur le panneau de vitrage. La présente invention concerne un procédé de réparation d'un défaut (telle une fissure) sur un panneau de vitrage de véhicule, qui consiste d'abord à humidifier la surface du panneau de vitrage à proximité du défaut, puis à générer un flux d'air forcé afin d'accélérer l'évaporation du panneau de vitrage humide, et ensuite à réparer le défaut.

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