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US 6,852,268 B1Granted
Process for preparing a molded article
AssigneeUniversity of Massachusetts
InventorsArthur K. Delusky, Thomas M. Ellison, Herbert Rees
Life of this patent
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Abstract
A film is placed over a mold cavity and molten plastic deposited thereon to form a combination of a film with molten plastic thereon. The film-molten plastic combination is then formed in said mold cavity into a molded article in the shape of the mold cavity.
Claims17
Process for preparing a molded article which comprises:
- providing a mold cavity;
- preparing a combination of an unformed blank of plastic material with molten plastic thereon by freely flowing molten hot plastic onto the unformed blank wherein the unformed blink is heated;
- placing said unformed blank-molten plastic combination in a position over said mold cavity, with the unformed blank being positioned closer to the mold cavity than the plastic;
- and
- forming said unformed blank-molten plastic combination in said mold cavity into a molded article having the shape of said mold cavity, wherein the unformed blank forms a film as an outer layer of the molded article.
2 more elements
Dependencies are inferred from the claim text.