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US 7,842,360 B2Granted
Method of manufacturing multiple levels of automobile trim
AssigneeNorthern Engraving Corporation
InventorsArnis E. Peters, Dan Weinstock, Kevin J. Rink
Life of this patent
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Abstract
A method for using a single injection molding apparatus to manufacture at least two and up to four different levels of automobile trim pieces as well as automobile trim level pieces manufactured by the methods of this invention.
Claims3
A decorative automobile trim piece comprising:
- a preshaped formed aluminum sheet having a decorated first surface and a second surface wherein the metal sheet has a thickness of from 0.005 inches to about 0.025 inches;
- and
- a resin layer applied to the preshaped formed aluminum sheet second surface wherein at least a portion of the resin layer has a thickness of no greater than 2.5 mm and wherein the resin layer is a glass filled nylon resin including from about 10 to about 30 wt % of glass fibers wherein the automobile trim piece is formed by injection molding and wherein the aluminum sheet is preformed before is it placed in an injection molding mold wherein the resin material has a coefficient of expansion that is similar to the coefficient of expansion of the preshaped formed aluminum sheet.
Dependencies are inferred from the claim text.