Blow molded article
AssigneeSupreme Casting & Tooling
InventorSteve A. Kovacs
Life of this patent
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Abstract
A blow molded hollow plastic article having openings at both ends. One of those openings is a main opening and a secondary opening defined by an angled passageway is provided adjacent the main opening. The article is blow molded in a single operation by a method which includes the step of laterally stretching a tubular parison from which the article is to be molded so as to receive a primary mandrel for forming said opening and a secondary mandrel for forming the passageway. Air is introduced into the parison through the secondary mandrel to form the inner end portion of the passageway while the parison is expanded to conform to the shape of the mold.
Claims2
A blow molded plastic article having a body portion of corrugated form which is molded in one piece and which defines:
- an internal space;
- a main opening at a first end of said portion communicating with said space and extending about a first axis;
- a passageway defining a secondary opening adjacent said main opening;
- and a further opening at a second end of said body portion opposite said first end;
- said passageway including an outer portion which extends about a second axis spaced from and generally parallel to said first axis, and an inner portion which is inclined inwardly towards said first axis and communicates with said internal space, said article being formed by blow molding in a single operation.
Dependencies are inferred from the claim text.