Back to results
US 7,232,306 B2Granted
Modified injection takeout tube
AssigneeGraham Packaging Company, L.P.
InventorJames Dunman
Life of this patent
Estimating the term…
Abstract
A cooling device and method useful for reducing the total injection molding cycle time of an injection molded tube, and more particularly to applying cooling to areas of a preform that are not in direct contact with the water cooled inside surface of a take out tube.
Claims11
A cooling apparatus comprising:
- a take out tube, said take out tube comprising:
- a closed end;
- an open end;
- a fluid inlet;
- a fluid outlet;
- at least one fluid channel for circulating fluid from said fluid inlet to said fluid outlet;
- a first coupling on an outside surface of said take out tube;
- and a cooling sleeve, said cooling sleeve comprising:
- an inlet;
- a plurality of holes;
- at least one channel fluidly connecting said inlet to said plurality of holes;
- and
- a second coupling on an inside surface of said cooling sleeve;
- said first and second couplings cooperating to couple said take out tube to said cooling sleeve;
- and
- said plurality of holes positioned beyond said open end of said take out tube when said take out tube and said cooling sleeve are coupled.
13 more elements
Dependencies are inferred from the claim text.