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US 9,802,375 B2Granted
Counter stretch connecting rod and positive fill level control rod
AssigneeDiscma AG
InventorsGeorge David Lisch, Bradley Wilson
Life of this patent
Estimating the term…
Abstract
A mold device and a method related thereto for forming a plastic container from a preform. The mold device comprises a mold defining a mold cavity, an optional stretch initiation rod system for engaging an interior portion of the preform to define a stretch initiation area, and a centrally disposed pressure source positionable within the preform for introducing a pressurized fluid.
Claims9
An apparatus for forming a plastic container from a preform, the preform having an upper portion with an opening, a body, and an internal volume accessible through the opening, the apparatus comprising:
- a mold having a mold cavity for expanding the preform, the mold having an upper end, a lower end and a central portion extending from the upper end to the lower end about a longitudinal axis, the mold having a first aperture for accessing the mold cavity through the upper end, the first aperture being adapted for holding the preform at its upper portion while the body of the preform is placed into the central portion of the mold cavity;
- a liquid supply means for supplying a pressurized liquid through the opening and into the internal volume of the preform;
- and
- a centering rod disposed adjacent to the lower end of the mold and extendable along the longitudinal axis through the lower end into the mold cavity.
1 more element
Dependencies are inferred from the claim text.