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US 5,900,199 AGranted
Process for making a vehicle grille guard
AssigneeAlgonquin Automotive
InventorsFloyd R. Dickson, Lino C. Mallia
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Abstract
The present invention provides a new and improved process of producing vehicle grille guards by gas-assisted injection molding and the grille guards produced thereby. The process includes injecting a plastic resin into a mold cavity in an amount less than the total volume of the mold cavity. An inert gas in then injected into a center portion of the cavity and a hollow gas channel extending throughout the center portion is formed, forcing the plastic resin to flow along an outer surface of the cavity.
Claims6
A process of producing a vehicle grille guard formed as one component, the process comprising the steps of:
- injecting a plastic resin into a mold cavity in an amount less than the total volume of said mold cavity;
- injecting an inert gas into a center portion of said cavity;
- and
- forming a hollow gas channel extending throughout said center portion, forcing said plastic resin to flow along an outer surface of said cavity;
- wherein said grille guard obtains a substantially smooth exterior surface as said resin flows along said outer surface of said cavity.
2 more elements
Dependencies are inferred from the claim text.