B29C49/46

Method for the production of filled containers from thermally conditioned preforms
11707877 · 2023-07-25 · ·

A method for producing containers filled with liquid content from preforms made of thermoplastic material. The liquid content is fed as a pressure medium into thermally conditioned preforms during a forming and filling phase in a mold of one of a plurality of forming stations arranged circumferentially spaced apart on a common, continuously rotationally driven working wheel. A compensating device compensates for thermal consequences of centrifugal force acting on the liquid content fed into the preform during the forming and filling phase. The compensating device imparts a temperature profile to the preform in a circumferential direction, which is not point-symmetrical in relation to a longitudinal axis of the preform to produce a thermally differentiated partial circumferential region. The preform is inserted into the mold such that the thermally differentiated partial circumferential region faces in a radial direction of the working wheel.

METHOD OF INSTALLING A SEAL FOR A CONTAINER PRIOR TO CONTAINER EJECTION
20230001624 · 2023-01-05 ·

A method of hydraulically blow molding a container from a preform using a liquid end product as a liquid blow medium. The method includes the steps of hydraulically blow molding a formed and filled container from a preform using the liquid blow medium and engaging a fluid tight seal with the container while the container is retained within a mold in the forming station. The engaging of the seal includes engaging an axially extending ring of the seal in one of a press-fit or frictional engagement with an inner surface of the container such that the seal is retained on the container by that engagement.

METHOD OF INSTALLING A SEAL FOR A CONTAINER PRIOR TO CONTAINER EJECTION
20230001624 · 2023-01-05 ·

A method of hydraulically blow molding a container from a preform using a liquid end product as a liquid blow medium. The method includes the steps of hydraulically blow molding a formed and filled container from a preform using the liquid blow medium and engaging a fluid tight seal with the container while the container is retained within a mold in the forming station. The engaging of the seal includes engaging an axially extending ring of the seal in one of a press-fit or frictional engagement with an inner surface of the container such that the seal is retained on the container by that engagement.

METHOD FOR STERILIZING BLOW MOLDING MACHINE, AND BLOW MOLDING MACHINE

A blow molding machine is subjected to a sterilizing treatment in a simple manner. A liquid sterilizer is filled into preforms of at least the same number as the number of spindles. In a heating unit that heats the preforms to a molding temperature, some of the liquid sterilizer is caused to diffuse, and blow air is blasted into preforms in which the liquid sterilizer remains to cause the liquid sterilizer to diffuse in a molding unit, and molded bottles are discharged.

METHOD FOR STERILIZING BLOW MOLDING MACHINE, AND BLOW MOLDING MACHINE

A blow molding machine is subjected to a sterilizing treatment in a simple manner. A liquid sterilizer is filled into preforms of at least the same number as the number of spindles. In a heating unit that heats the preforms to a molding temperature, some of the liquid sterilizer is caused to diffuse, and blow air is blasted into preforms in which the liquid sterilizer remains to cause the liquid sterilizer to diffuse in a molding unit, and molded bottles are discharged.

SYSTEM FOR SIMULTANEOUSLY FORMING AND FILLING A POLYMERIC CONTAINER

A system for simultaneously forming and filling a polymeric container with a product. The system includes a mold defining a container profile and a mold vacuum vent extending from the container profile to an upper surface of the mold. A striker plate is secured to the upper surface of the mold. The striker plate defines a striker vacuum vent that aligns with the mold vacuum vent to allow some of the product to be pulled by vacuum out of the mold through the mold vacuum vent and the striker vacuum vent.

SYSTEM FOR SIMULTANEOUSLY FORMING AND FILLING A POLYMERIC CONTAINER

A system for simultaneously forming and filling a polymeric container with a product. The system includes a mold defining a container profile and a mold vacuum vent extending from the container profile to an upper surface of the mold. A striker plate is secured to the upper surface of the mold. The striker plate defines a striker vacuum vent that aligns with the mold vacuum vent to allow some of the product to be pulled by vacuum out of the mold through the mold vacuum vent and the striker vacuum vent.

METHOD AND INSTALLATION FOR MANUFACTURING AND TREATING STERILE PLASTIC CONTAINERS
20230001623 · 2023-01-05 · ·

The invention relates to a method and an plant for the production and treatment of sterile plastic containers, in which preforms made of a thermoplastic material are heated in the region of a heating section and then formed into containers by pneumatic or hydraulic pressure, and wherein the preforms or the containers or both are sterilized and pass through at least one low-germ zone which is surrounded by an enclosure, characterized in that the enclosure 2, 2′ has an outer housing 3, 3′ and an airlock chamber 4, 4′ through which treatment medium is extracted from the low-germ zone 1, 1′ and at the same time air is extracted from the outer environment of the outer housing 3, 3′.

METHOD AND INSTALLATION FOR MANUFACTURING AND TREATING STERILE PLASTIC CONTAINERS
20230001623 · 2023-01-05 · ·

The invention relates to a method and an plant for the production and treatment of sterile plastic containers, in which preforms made of a thermoplastic material are heated in the region of a heating section and then formed into containers by pneumatic or hydraulic pressure, and wherein the preforms or the containers or both are sterilized and pass through at least one low-germ zone which is surrounded by an enclosure, characterized in that the enclosure 2, 2′ has an outer housing 3, 3′ and an airlock chamber 4, 4′ through which treatment medium is extracted from the low-germ zone 1, 1′ and at the same time air is extracted from the outer environment of the outer housing 3, 3′.

Mould filling with subsequent closing under internal pressure

Disclosed is an apparatus for expanding and filling plastic parisons to form plastic containers with a liquid medium, with at least one transforming station which has a hollow mould, inside which the plastic parisons can be expanded into plastic containers and can be simultaneously filled by application of a liquid medium, wherein the transforming station is arranged on a carrier and wherein the transforming station has a filling device which feeds the liquid medium to the plastic parisons under pressure, wherein the transforming station has a pressure chamber to which a gas can be applied, wherein for filling of the plastic parisons the filling device can be introduced into the pressure chamber and after the filling can be removed at least partially, and wherein a closing unit can be introduced into the pressure chamber, in order to close the expanded und filled plastic containers.