Static structures (e.g. – buildings) – Multiroom or level – Partition secured to and crossed by preconstructed barrier
Patent
1995-09-15
1999-02-02
Safavi, Michael
Static structures (e.g., buildings)
Multiroom or level
Partition secured to and crossed by preconstructed barrier
5220459, 156322, 296 93, E06B 354
Patent
active
058649964
ABSTRACT:
A window panel assembly to be bonded to a vehicle body opening using a conventional, window fixing urethane adhesive disposed between the vehicle pinch-weld flange and a polymeric gasket attached to the window panel. The joint produced between the window fixing adhesive and the polymeric gasket has a bond strength and performance greater than that achieved in conventional metal-to-glass bonds using the same fixing adhesive. The panel assembly of this invention may be sent to the automobile manufacturer so that all the installer needs to do is apply the window fixing adhesive between the gasket and the vehicle in a conventional manner. The strong bond can be achieved even after the panel assembly has been in storage for days, weeks, or even several months prior to installation. The panel assembly includes a gasket bonded to a sheet-like panel and having a surface adapted to receive a window fixing adhesive for bonding the sheet-like panel in the vehicle opening. An adhesion-promoting compound is applied to the gasket surface and heated to a transition temperature of at least about 60.degree. C. When raised to at least this temperature, the adhesion-promoting compound and gasket bond with the fixing adhesive when the window panel assembly is installed. A load exerted on the joint sufficient to cause a failure results in a cohesive failure of the gasket, the fixing adhesive, or both, but not of the adhesion between the gasket and fixing adhesive. A method is also provided for making the panel assembly of this invention.
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Agrawal Raj K.
Veldman Roger L.
Donnelly Corporation
Safavi Michael
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