Patent ID: 6213756
Filing Date: 2001-04-10
Classification: B29C,Y10S

Abstract:
Molding apparatus for molding a container from a parison of a blowable thermoplastic material, said molding apparatus comprising:mold means having an internal cavity for surrounding a portion of a blowable thermoplastic material for forming the exterior of a container when the parison is subjected to internal blowing pressure to form it into the container, said mold means having a restricted opening that forms a configured finish portion of the container, the finish portion having a rim at a free end thereof;an anvil of a hard material positioned against said mold means at said restricted opening, said anvil having an annular restricted opening that is coaxial with and substantially smaller than said restricted opening of said mold means at a location below the rim of the container being formed in the mold means to form a transversely extending partition within the container at a location below the rim; andreciprocating blow pin means adapted to abut against said anvil for introducing pressurized blowing fluid into the parison to cause at least a body portion of the parison to take the shape of the internal cavity of the mold means;wherein said mold means comprises a blow mold for molding the body portion of the container and a neck mold having a cavity for molding the finish portion of the container, said anvil being positioned within the cavity of said neck mold and away from said blow mold.