B29C49/36

Process for treating container preforms with non-contacting plasma treatment
11701443 · 2023-07-18 · ·

Disclosed is a process for treating at least one hollow body made of thermoplastic material, such as a preform or a cap, the treatment process successively including at least the following steps: a first step, consisting in treating at least the inside of the hollow body using hydrogen peroxide; a second step, consisting in heating the hollow body; a third step, consisting in treating the hollow body with plasma in order to reduce the concentration of hydrogen peroxide residues. Also disclosed is a plant for manufacturing containers in which the process is carried out in particular by way of a unit for the plasma treatment of the preforms.

Apparatus and method for coupling and uncoupling media couplings on the base mould
11541589 · 2023-01-03 · ·

Apparatus (1) for reshaping plastic preforms (10) into plastic containers (20) has a blow moulding device (14) which has at least two side parts (14a, 14b) and a base mould (14c) which form a hollow space inside which the plastic preforms (10) are reshaped into the plastic containers (20), wherein the apparatus has a changing device (40) which is suitable and intended either to remove the complete blow moulding device (14) or only parts (14a, 14b, 14c) of the blow moulding device (14) from the blow mould supports (16) thereof and/or to arrange them on the blow mould supports (16), wherein the base mould (14c) is arranged on a base mounting (19), and in a changing mode, through a lifting movement (H) and in particular a lifting and/or lowering of the base mounting (19), the base mould (14c) can be connected to the base mounting (19) or can be disconnected from the base mounting (19), and between the base mounting (19) and the base mould (14c) at least one first disconnectable media connection (21) is provided, by means of which a flowable medium can be supplied to the base mould (14c) and/or by means of which the flowable medium can be discharged from the base mould (14c). According to the invention the media connection (21) between the base mounting (19) and the base mould (14c) can also be made and/or can be broken by the lifting and/or lowering of the base mounting (19).

Apparatus and method for coupling and uncoupling media couplings on the base mould
11541589 · 2023-01-03 · ·

Apparatus (1) for reshaping plastic preforms (10) into plastic containers (20) has a blow moulding device (14) which has at least two side parts (14a, 14b) and a base mould (14c) which form a hollow space inside which the plastic preforms (10) are reshaped into the plastic containers (20), wherein the apparatus has a changing device (40) which is suitable and intended either to remove the complete blow moulding device (14) or only parts (14a, 14b, 14c) of the blow moulding device (14) from the blow mould supports (16) thereof and/or to arrange them on the blow mould supports (16), wherein the base mould (14c) is arranged on a base mounting (19), and in a changing mode, through a lifting movement (H) and in particular a lifting and/or lowering of the base mounting (19), the base mould (14c) can be connected to the base mounting (19) or can be disconnected from the base mounting (19), and between the base mounting (19) and the base mould (14c) at least one first disconnectable media connection (21) is provided, by means of which a flowable medium can be supplied to the base mould (14c) and/or by means of which the flowable medium can be discharged from the base mould (14c). According to the invention the media connection (21) between the base mounting (19) and the base mould (14c) can also be made and/or can be broken by the lifting and/or lowering of the base mounting (19).

Method of extrusion blow molding using a liquid
11541590 · 2023-01-03 · ·

A method of making a container via a simultaneous filling and forming of the container with a liquid product is disclosed. The method comprises the steps of extruding a parison (12, 2), capturing a portion of the parison (12, 2) within a mold (15), and inflating the captured portion of the parison (12, 2) against the mold (15). The captured portion of the parison (12, 2) is inflated against the mold (15) by introducing the liquid product into an interior of the captured portion of the parison (12, 2), wherein the liquid product forms an end product to be sealed within the resultant container.

Trouble recovering method of aseptic filling machine and aseptic filling machine

A trouble recovering method of an aseptic filling machine and an aseptic filling machine which can resume operation at an early stage if a trouble occurs in any of portions during an operation of the aseptic filling machine are provided. A door of a chamber in which the trouble occurred is opened while a pressure in the chamber other than the chamber in which the trouble occurred is kept positive, the trouble is removed and then, the door is closed, an inside of the chamber in which the trouble occurred is cleaned as necessary, the inside of the chamber is sterilized and then, the operation of the aseptic filling machine is resumed.

Method and apparatus for producing plastic preforms and plastic containers with thermal preform storage
11590684 · 2023-02-28 · ·

Method for operating an apparatus for producing plastic preforms and plastic containers, comprising at least one injection moulding machine and one blow moulding machine, wherein the plastic preforms are injection moulded within the injection moulding machine and are formed into plastic containers within the blow moulding machine and are transported from the injection moulding machine to the blow moulding machine, wherein a heating device is arranged downstream of the injection moulding machine and the injection moulding machine and the blow moulding machine are coupled to one another. According to the invention, the plastic preforms produced in the injection moulding machine are transferred directly after production to a thermal preform storage, which holds the plastic preforms at a predetermined temperature and wherein a speed and/or at least one parameter of at least one subsequent treatment device can be changed.

Method and apparatus for producing plastic preforms and plastic containers with thermal preform storage
11590684 · 2023-02-28 · ·

Method for operating an apparatus for producing plastic preforms and plastic containers, comprising at least one injection moulding machine and one blow moulding machine, wherein the plastic preforms are injection moulded within the injection moulding machine and are formed into plastic containers within the blow moulding machine and are transported from the injection moulding machine to the blow moulding machine, wherein a heating device is arranged downstream of the injection moulding machine and the injection moulding machine and the blow moulding machine are coupled to one another. According to the invention, the plastic preforms produced in the injection moulding machine are transferred directly after production to a thermal preform storage, which holds the plastic preforms at a predetermined temperature and wherein a speed and/or at least one parameter of at least one subsequent treatment device can be changed.

Method and apparatus for forming plastic preforms into plastic containers with pre-heating of blow moulds

Method for operating an apparatus for forming plastic preforms into plastic containers, wherein in a working mode a plurality of forming stations are moved along a predetermined transport path by a movable carrier, wherein these forming stations in each case having blow mould arrangements which in a closed state in each case form cavities, within which the plastic preforms are formed into the plastic containers and the plastic preforms are supplied to these forming stations in order to be formed by supplying a flowable medium to the plastic containers, wherein this forming takes place at least temporarily during the transport of the forming stations along the transport path, and wherein at least temporarily at least components of the blow moulding arrangement are tempered. At least parts of the blow mould are pre-heated in a standstill of the carrier or a movement of the carrier, which is slower with respect to a movement of the carrier in the working mode.

Method and apparatus for forming plastic preforms into plastic containers with pre-heating of blow moulds

Method for operating an apparatus for forming plastic preforms into plastic containers, wherein in a working mode a plurality of forming stations are moved along a predetermined transport path by a movable carrier, wherein these forming stations in each case having blow mould arrangements which in a closed state in each case form cavities, within which the plastic preforms are formed into the plastic containers and the plastic preforms are supplied to these forming stations in order to be formed by supplying a flowable medium to the plastic containers, wherein this forming takes place at least temporarily during the transport of the forming stations along the transport path, and wherein at least temporarily at least components of the blow moulding arrangement are tempered. At least parts of the blow mould are pre-heated in a standstill of the carrier or a movement of the carrier, which is slower with respect to a movement of the carrier in the working mode.

SYSTEM AND METHOD FOR FORMING CONTAINERS USING BLOW MOLD AND ELECTRIC HEATING ELEMENTS
20230044759 · 2023-02-09 ·

A system for forming a container includes an injection station configured to inject a liquid material into a mold to form a preform. The system also includes a forming station including an apparatus for forming a container. The apparatus includes a blow mold configured to receive the preform and inject air into the preform to form the container. The blow mold includes an inner mold surface. The apparatus also includes at least one stretching rod configured to contact the preform in the blow mold and stretch the preform. The apparatus further includes electric heating elements coupled to the blow mold and positioned adjacent the inner mold surface to heat the inner mold surface. The system further includes a removal station configured to release the container from the system.