Vehicular component assembly with hard coated element

Details Vehicular component assembly with hard coated element Vehicular component assembly with hard coated element

1997-07-17

1999-12-14

Husar, Stephen

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362520, 362549, F21V 3102

Patent

active

060008148

ABSTRACT:
A vehicle component assembly includes a hard coated polymeric element with a resinous polymeric molded element or gasket integrally molded to a predetermined area thereof. Preferably, the element is a polycarbonate optical lens, such as a headlight lens, which is coated with a protective coating or hard coat which provides abrasion resistance and optionally includes ultraviolet radiation absorbers to protect the resinous polymeric molded element from UV radiation degradation. Adhesion is improved by priming the area of the polycarbonate element which receives the gasket with a primer coating. Preferably, the area to be gasketed is primed with a first adhesion promoting primer followed by a second adhesion promoting primer, wherein the first adhesion promoting primer improves the adhesion of the second primer to the protective coating, while the second primer, in turn, improves the adhesion of the molded element or gasket to the first primer and the hard coated element. The gasket is preferably molded on a peripheral portion of the element which may include grooves or other formed portions for mechanical interlocking the gasket with the polymeric element. Preferably, the gasket is formed from a melt-processible gasket material, such as polyvinyl chloride, thermoplastic urethane, or an ethylene-styrene polymer.

REFERENCES:
patent: 5552970 (1996-09-01), Takezawa et al.
patent: 5560706 (1996-10-01), Yamazaki et al.
A copy of four (4) photographs of a conventional lens and a gasket as shown in Figs. 14A and 14B, no date given.

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