Patent ID: 7134867
Filing Date: 2006-11-14
Classification: B29C,B29K,B29L

Abstract:
1. A molding apparatus for blow molding a polymeric container having a neck finish defining an opening, a shoulder integrally molded to the neck finish, a sidewall integrally molded to the shoulder, and a base integrally molded to the sidewall in opposition to the shoulder, the base including a chime and a bottom, the chime being generally vertically disposed with a slight inward curve at the location it joins with the bottom, wherein the invention comprises: a pair of side mold members having a surface for molding the chime configuration; a push-up mold member having a surface for molding the bottom configuration; at least one vent coincident with a split line between the pair of side mold members and the push-up mold member, said split line having a circumference, said vent allowing trapped air to escape during a molding process; a plurality of foot surfaces disposed at an outer perimeter of the surface for molding the bottom, said outer perimeter adjacent to the vent at a location where the surface for molding the bottom joins with the surface for molding the chime and wherein the vent is disposed between the surface for molding the bottom and the surface for molding the chime; and wherein the foot surfaces extend an incremental distance from the surface molding the chime and the surface molding the bottom such that the chime of the molded container presents a glasslike profile appearance.