A closure system and method of forming containers comprising a closing element. The closing element is integrally sealable to the container at one of the openings to be closed, and a preferential separation zone between the container and the closing element, the closure system comprising a first guiding and/or coupling portion for guiding and controlling the movement of the closing element from a first blocking position, wherein the closing element is integral to the container, to a second unblocking position, wherein the closing element is separated from the container via the preferential separation zone. The closure system further includes a first thread on the insert and a second thread formed within the closing element.

Methods and devices for manufacturing plastic preforms and plastic containers are provided. Methods of manufacturing a plastic preform having an inner undercut include forming a preform of plastic in amorphous state and inserting a plug within the mouth of the preform. The plug includes an upper plug member and an expandable element, the expandable element having an initial outer diameter in plan view with the plug in an initial condition and a deployed outer diameter in plan view with the plug in a deployed condition. Methods further include deploying the plug to the deployed condition with the expandable element positioned to engage a side wall proximate the inner undercut and crystallizing the plastic of the preform along the finish portion.

The inventive technology encompasses new and novel methods for manufacturing helium-free balloons using improved injection molding systems and techniques. The invention includes new and novel preform, as well as parison based methods and methods of manufacturing integrated helium-free balloons compatible with external support components.

A container includes a plastics pressure vessel defining a hollow interior volume suitable for containing a quantity of a liquid, and comprising an inlet/outlet aperture extending through a wall thereof, and being in fluid communication with the hollow interior thereof. An insert, manufactured from a different, harder plastics material to that of the pressure vessel is provided within the inlet/outlet aperture, which is sealingly united (fused) with a periphery of the container to be securely retained therein. The plastics pressure vessel can be blow moulded around the insert so as to sealingly unite or fuse with the insert in the region of the interface between the different materials of which vessel and insert are formed. The insert may have a series of flats machined or otherwise formed around and into its outer circumferential surface so the insert is inhibited from axially or rotationally displacing relative to the pressure vessel.

A method for producing a flexible pouch made of flexible thermoplastic material, including steps of: (i) preparing hot flexible thermoplastic material in a pasty state, (ii) placing a so-called proximal pre-molded insert onto a mounting such that the insert is arranged in a ring around the mounting, (iii) coating all or part of the insert with hot flexible thermoplastic material in the pasty state, (iv) locking the blow-mold shells around the insert, and (v) injecting a pressurized gas into the chamber so as to expand the sleeve from inside onto the inner surface of the mold or expand the sleeve from the outside by creating negative pressure inside the chamber.

The present disclosure provides a container and a process for producing the container. In an embodiment, the process includes placing a sleeve bag on valve assembly (SBoV) in a blow mold apparatus. The blow mold apparatus has two opposing and movable molds. The SBoV has a valve seat. The process includes extending a parison of flowable polymeric material around the SBoV and between the opposing molds. The process includes moving the opposing molds to a closed position and pressing an upstream portion of the parison against the valve seat. The process includes blow molding a downstream portion of the parison into a container-shape within the closed mold. The process includes forming a container with the valve seat melt bonded to a neck portion of the container.

The present disclosure provides a container and a process for producing the container. In an embodiment, the process includes placing a sleeve bag on valve assembly (SBoV) in a blow mold apparatus. The blow mold apparatus has two opposing and movable molds. The SBoV has a valve seat. The process includes extending a parison of flowable polymeric material around the SBoV and between the opposing molds. The process includes moving the opposing molds to a closed position and pressing an upstream portion of the parison against the valve seat. The process includes blow molding a downstream portion of the parison into a container-shape within the closed mold. The process includes forming a container with the valve seat melt bonded to a neck portion of the container.

The present invention relates to a pressure vessel, comprising a connecting element, an inner vessel and a support shell which surrounds the inner vessel, wherein the pressure vessel has the following features: the connecting element comprises a neck section in the form of a sleeve and a shoulder section; the connecting element is bonded via its outer face to an inner face of the inner vessel; the inner vessel is bonded to the support shell in such a way that the inner vessel is arranged in a sandwich-like manner at least in sections between the connecting element and the support shell; and the pressure vessel has at least one orifice delimited by the neck section of the connecting element, wherein the pressure vessel is characterized in that the outer face of the connecting element facing the inner vessel at least partly has a mean roughness of more than 50 m.

A process of manual, semi-automatic and fully-automated integration of discrete components into a container that results in fast, reliable, cost-effective, and scalable production of composite containers is disclosed. The process can be embodied in manufacturing equipment that has a series of stations and may be called an assembly device. The equipment can produce containers, tubs, canisters, cartridges, etc. which are easily separated into different bio-degradable or compostable parts. Other container types are possible and are contemplated.

A pressure vessel having an inner container made of thermoplastic plastic, and at least one metal part embedded in the inner container. A collar that includes the metal part is formed on the inner container, the collar being configured such that it is gas-tight with respect to the metal part.