Patent ID: 8376732
Filing Date: 2013-02-19
Classification: B29C,B29K

Abstract:
1. A stripper assembly for use in a mold stack for forming a preform suitable for blow-molding into a final-shaped container, the stripper assembly comprising: a stripper plate connectable, in use, to a stripper plate actuator; neck rings configured to cooperate to define a portion of a neck region of the preform; a stripper ring configured to define at least a portion of a top sealing surface of the neck region of the preform; the stripper plate being configured to actuate the neck rings and the stripper ring, in unison, along substantially the whole length of a complete ejection path, which is substantially parallel to a longitudinal axis of the mold stack; and wherein the neck rings are configured for movement in a direction substantially perpendicular to the longitudinal axis of the mold stack, over at least a portion of the complete ejection path, whereby at a completion of the complete ejection path, the stripper ring and the neck rings render the preform removable from the mold stack.