In situ automotive gasket and method of making same

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Details

428172, 156 60, 156196, 156289, 1563084, B32B 2302, B32B 3120

Patent

active

057860670

ABSTRACT:
A method of manufacturing and installing an automotive gasket includes providing a peripheral bead of urethane on the interior surface of a window glass or other hinged vehicle part, applying uncured silicone adhesive to a channel flange of the vehicle body frame, closing the hinged vehicle part so that the urethane bead displaces a portion of the silicone adhesive, and curing the adhesive in its displaced condition. Due to the non-adhesive property of the urethane relative to the silicone, the urethane bead does not stick to the silicone, but provides a mating seal with the cured silicone when the hinged vehicle part is closed. The urethane bead can be automatically applied to the window glass or other hinged vehicle part during manufacture of the glass or part. Similarly, the silicone adhesive can be applied to vehicle flanges by machine on the assembly line and the gasket can be cured in situ.

REFERENCES:
patent: 5057354 (1991-10-01), Kunert et al.

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