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US 2018/0304518 A1Published application
Bottle with extended neck finish and method of making same
AssigneeSilgan Plastics LLC
InventorsRandal Porter, Neal Thomas
Life of this patent
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AssigneeSilgan Plastics LLC
InventorsRandal Porter, Neal Thomas
Estimating the term…
A blow molded synthetic resin bottle has a body and an elongated neck with the body providing a shoulder extending about the base of the neck. The neck has a first collar extending thereabout spaced adjacent the shoulder and at least one additional collar extending thereabout adjacent the upper end of the neck. The resin in the neck is substantially unoriented. To produce the bottle, a synthetic resin preform is injection molded with a generally tubular body and the elongated neck. This preform is placed in a blow mold cavity having a body receiving portion and a neck receiving portion that has a recess extending thereabout seating the first collar therein. The additional collar is disposed outwardly of the mold cavity and is disposed on the upper surface of the mold.
A method for making a container, the method comprising:
The method of the 3, further comprising rotating the preform about a longitudinal axis of the preform during said heating of the preform.
A system for blow molding a preform, the preform comprising a closed body, an open end, and a neck located between the closed body and the open end, wherein the neck comprises a thread formation proximate the open end and a collar proximate to the closed body, the system comprising:
Dependencies are inferred from the claim text.