Method of making snap-on plastic cover for sun-damaged vinyl-cov

Details Method of making snap-on plastic cover for sun-damaged vinyl-cov Method of making snap-on plastic cover for sun-damaged vinyl-cov

1985-04-01

1986-02-04

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156250, 156256, 156285, 156267, 180 90, 264553, 264554, 264571, 280752, 296 70, B32B 3118

Patent

active

045684049

ABSTRACT:
A rigid snap-on plastic cover for a sun-damaged vinyl-covered dashboard pad is installed in an automobile without loosening or removing the dashboard pad from a dashboard substructure. The snap-on cover is made by draping a preheated softened polycarbonate sheet over a mold positioned on a narrowed support. A partial vacuum is produced in the region covered by the draped polycarbonate material, causing it to be drawn against the mold for support and to conform thereto. A skirt portion of the polycarbonate material from the support is severed after the vacuum is released, and the forward portion of the hardened polycarbonate is lifted over the mold, forcing any breakage of the "back draft" portion of the polycarbonate to occur in forward corner locations that will not be visable when the snap-on cover is installed in the automobile. The peripheral portions of the polycarbonate material are cut cleanly away and the outer surface is spray painted. The cover then is snapped into position over the vinyl covered dashboard pad in the automobile, after applying glue to the inner surface.

REFERENCES:
patent: 2510845 (1950-06-01), Waters et al.
patent: 3770546 (1973-11-01), Childress et al.

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