Patent ID: 6488878
Filing Date: 2002-12-03
Classification: B29B,B29C,B29K

Abstract:
A method for forming a molded article comprising the steps of:forming a molded article within an injection mold, removing said molded article from said injection mold while said article retains an amount of heat; inserting a cooling pin having an outlet nozzle in its rip portion into the interior of said molded article after said molded article has been removed from said injection mold; directing a flow of cooling fluid toward a dome portion of said molded article where crystallization occurs so as to substantially prevent said crystallization in said dome portion and thereby form a molded article which is substantially free of any crystallization; cooling exterior portions of said molded article after said molded article has been removed from said injection mold; providing a take-off plate having a holder for said molded article, said holder having a plurality of openings for exposing exterior portions of said molded article to a flow of cooling fluid; said removing step comprising loading said molded article into said holder in said take-off plate; and said exterior cooling step comprising providing a cooling platform with a plurality of nozzles connected to a source of cooling fluid, positioning said cooling platform adjacent said take-off plate, and blowing a cooling fluid through said nozzles and through said openings in said holder onto said outer surfaces of said molded article.