公开(公告)号：US20200254675A1

公开(公告)日：2020-08-13

申请号：US15776273

申请日：2016-11-16

Applicant: DISCMA AG

Inventor： Pankaj KUMAR ,  Pascal BERNIER

IPC: B29C49/06 ,  B29C49/42 ,  B29C49/46 ,  B67C3/02

Abstract: A method of forming a container from a plastic preform while using a liquid as a blow medium. During the method, liquid is withdrawn from the container to reduce pressure within the container prior to disengaging of the injection head from the container. In one aspect the method involves the opening of a recirculation valve to reduce the pressure. The opening of the recirculation valve allowing air dispersed within the liquid to rise to the top of the container before disengaging of a forming head from the container. As a result, splashing and spillage of liquid from the neck of the container is eliminated when the forming head disengages from the container.

公开(公告)号：US20190061223A1

公开(公告)日：2019-02-28

申请号：US16077280

申请日：2017-02-10

Applicant: DISCMA AG

Inventor： Franck LHOMME ,  Pascal BERNIER

IPC: B29C49/46 ,  B29C49/58 ,  B29C49/78 ,  B29C49/06 ,  B29C49/12

Abstract: A method comprising a first injection step, wherein a first predetermined volume of pressurized liquid is injected into the preform, the predetermined volume corresponding to a fraction of the container volume, the first injection step causing an expansion of the preform into a first intermediate container. The method further comprising a second injection step, wherein, once the first predetermined volume of liquid has been injected, the liquid injection speed is reduced and the pressurized liquid is further injected in the first intermediate container until a predetermined switch pressure in the liquid injection circuit is reached, the second injection step causing an expansion of the first intermediate container into a second intermediate container, and —a third injection step starting once the predetermined switch pressure is reached, wherein the liquid injection speed is decelerated until the liquid injection is stopped.

公开(公告)号：US20220281155A1

公开(公告)日：2022-09-08

申请号：US17751499

申请日：2022-05-23

Applicant: DISCMA AG

Inventor： Franck LHOMME ,  Pascal BERNIER

IPC: B29C49/46 ,  B29C49/06 ,  B29C49/12 ,  B29C49/58 ,  B29C49/78

Abstract: An injection device for simultaneously forming and filling a container by injecting a pressurized liquid in a preform. The device includes a molding cavity, a pressurized liquid source and an injection nozzle in fluidic communication with the pressurized liquid source. The injection nozzle is arranged to be placed in fluidic communication with a preform in the molding cavity. A liquid injection circuit is defined by the injection nozzle, the pressurized liquid source and the preform. Also provided is a volume measuring feature for measuring the volume of liquid injected in the preform from the pressurized liquid source and a pressure measuring feature for measuring the pressure in the liquid injection circuit.