US 10,500,781 B2 · Method for forming a container from a preform wherein the wall of the preform is vibrated during said forming

Abstract

A method using an injection device having an outlet through which a liquid is injected into a preform and includes the steps of placing a preform in a malleable state in fluidic communication with an outlet of the injection device, forming the container by expanding the preform during a forming step, the forming step including at least an injection step, wherein pressurized liquid is injected into the preform through the outlet of the injection device such that the liquid expends expands the preform into a container and fills the container. The method includes a step of heating the wall of the preform during at least a part of the forming step by vibrating the wall of the preform.

Claims18

Dependent claims

A method for forming a container from a preform and filling the container with a liquid using an injection device having an outlet through which the liquid is injected into the preform, the method comprising the steps of:

placing a preform in a malleable state in fluidic communication with the outlet of the injection device,
forming the container by expanding the preform, the forming of the container including at least an injection step where pressurized liquid is injected into the preform through the outlet of the injection device such that the liquid expands the preform into a container and fills the container,
heating a wall of the preform during at least a part of the forming step by vibrating the wall of the preform during the at least part of the forming step.

A forming station for forming a container from a preform by injecting a liquid into the preform to expand the preform into a container and by heating a wall of the preform by vibrating the wall of the preform during at least part of forming of the container, the forming station comprising:

a source of pressurized liquid,
a injection device having an inlet in fluidic communication with the source of pressurized liquid and an outlet in fluidic communication with the inlet, the injection device configured to inject the pressurized liquid into the preform through the injection device during an injection step,
at least one vibratory device configured to emit vibrations and transmit the vibrations to a wall of the preform, and
a control device configured to actuate the vibratory device during at least a part of forming of the container, the vibrations being configured to heat the wall of the preform when the vibratory device is actuated.

1 more element

Dependencies are inferred from the claim text.

Method for forming a container from a preform wherein the wall of the preform is vibrated during said forming

Life of this patent

Method for forming a container from a preform wherein the wall of the preform is vibrated during said forming

Life of this patent

Abstract

Claims18