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US 5,800,757 AGranted
System and method for molding a basketball backboard
AssigneeModern Technologies Corp.
InventorsFredric Louis Abrams, Robert F. Freund
Life of this patent
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Abstract
A system and method are disclosed for molding a part, such as a point-of-purchase display, is shown. The system includes a plasticator and press. The molded part comprises an in-molded graphics sheet which becomes molded integral with the part.
Claims46
A method for molding a part comprising the steps of:
- loading a barrel of a plasticator with a plurality of molding materials comprising a plurality of thermoplastic polymers and long reinforcing fibers, said barrel having a screw rotatable mounted therein;
- heating said barrel;
- rotatable driving said screw to blend said plurality of molding materials together to create a molten suspension in a storage area of said barrel such that a majority of said long reinforcing fibers remain intact;
- axially retracting said screw in a first direction as said molten suspension is accumulated in said storage area;
- axially driving said screw in a second direction to force said molten suspension out of said barrel, said second direction being opposite said first direction;
- severing said molten suspension to provide a billet;
- laying a sheet into a mold, said sheet comprises a graphic image on a side thereof;
- placing said billet onto said sheet;
- and
- integrally molding said sheet into said part.
7 more elements
Dependencies are inferred from the claim text.