Patent ID: 7311509
Filing Date: 2007-12-25
Classification: B29C,B29L

Abstract:
1. A molding apparatus ( 1 ) including a moving mold ( 10 ) for shaping molten plastic into product made within said moving mold ( 10 ), said moving mold includes opposed mold blocks which meet in a closed mold block configuration to define the moving mold in a forward run of said mold blocks with said mold blocks separating to an open configuration in a return run of said mold blocks, said moving mold ( 10 ) being surrounded by an air block housing ( 11 ) in said forward run and said return run of said mold blocks to define a cooling chamber ( 13 ) exteriorly around said moving mold ( 10 ), a source of cooling air ( 24 ), the cooling air ( 24 ) being contained by said housing ( 11 ) within said cooling chamber ( 13 ) to act on and provide cooling of said moving mold ( 10 ); said cooling chamber maintaining a trapped cooled air environment about said moving mold.