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公开(公告)号：US10906229B2
公开(公告)日：2021-02-02
申请号：US16077274
申请日：2017-02-10
Applicant: DISCMA AG
Inventor： Denis Gillet , Michele Ollari , Roberto Zoni , Massimo Nascimbeni
Abstract: An injection device for injecting a pressurized liquid into a preform and forming a container. The injection device including a piston device having a piston body and a piston head arranged to reciprocate in the piston body and to fluidly isolate an inner chamber of the piston device. The piston body having a recess portion defining a location where the piston head is not in liquid tight contact with the piston body such that liquid can flow from the inner chamber to a part of the piston body on an opposite the inner chamber. The injection device being arranged for driving the piston head in the recess portion in a clean-in-place (CIP) configuration.
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公开(公告)号：US10737432B2
公开(公告)日：2020-08-11
申请号：US16068499
申请日：2017-01-06
Applicant: DISCMA AG
Inventor： Massimo Nascimbeni
Abstract: A method for simultaneously forming and filling a container by injecting a pressurized liquid in a preform. The method includes placing the preform in a mold and injecting the pressurized liquid into the preform such that the liquid expands the preform and urges the wall of the preform against the wall of the molding cavity forming the preform into a container and the container is filled with liquid. A swirl imparting element extends in the injection flow and imparts a swirl flow on the pressurized liquid such that the pressurized liquid applies a centrifugal force on the wall of the preform during forming and filling of the preform, thereby promoting a radial expansion of the preform in radial planes substantially perpendicular to the preform axis.
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公开(公告)号：US20170232655A1
公开(公告)日：2017-08-17
申请号：US15429576
申请日：2017-02-10
Applicant: DISCMA AG
Inventor： Denis Gillet , Massimo Nascimbeni
CPC classification number: B29C49/46 , B29C49/06 , B29C49/4289 , B29C2049/4664 , B29K2105/258 , B29L2031/7158 , B65B3/022 , B65B3/12
Abstract: An injection device for injecting a pressurized liquid into the preform. The injection device includes a piston device having a piston body with a piston head arranged to reciprocate therein. The piston head cooperates with a sealing portion of the piston body to fluidicly isolate an inner chamber of the piston device. The piston body being in fluidic communication with a liquid source for admitting liquid into the inner chamber. The piston body including at least two outlet ducts for delivering pressurized liquid to the injection head. Each outlet duct opening defining an outlet port in a wall of the inner chamber. Each outlet port being centered on an outlet port center, wherein all the outlet port centers extend in the same radial planes of the inner chamber, are at the same distance from the piston axis and are arranged angularly in a regular manner around the piston axis.
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