Blow molded receptacle and system for making same
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United States of America Patent
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Oct 9, 2012
Grant Date -
Apr 12, 2007
app pub date -
Oct 7, 2005
filing date -
Oct 7, 2005
priority date (Note) -
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Abstract
A system for making blow molded receptacles is disclosed generally comprising two mold portions that, when positioned adjacent each other, at least partially enclose a cavity defined by a molding surface, against which the walls of a blow molded receptacle are blown. One of the portions is a mold core, which has a base surface and a raised portion extending out from the base surface into the cavity. The raised portion has an outer surface and a side surface, which results in a corresponding, inner sidewall on the blow-molded receptacle. The raised portion houses a punch partly disposed in an opening in the side surface for punching a hole in the sidewall. In some embodiments, the side surface is substantially perpendicular to the seal between the two mold portions, and an actuator displaces the punch in a direction substantially parallel to the seam.
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