Disclosed are multilayer films with high toughness performance, where the films have an elastic ethylene copolymer in the core layer.

Methods and systems for making a film made of dynamically vulcanized thermoplastic elastomeric material are provided herein. The subject methods and systems achieve dimensional stability of an elastic film by applying thermal treatment as part of the film making process and enhance the shrinkage of the film by intentionally with stretching the film while hot and freezing the film in the stretch. The systems and methods are useful in controlling shrinkage of DVA post film extrusion.

A method of fabricating a container from a substantially tubular preform. The preform is preheated to a temperature above the glass-transition temperature of the preform and placed in an expansion zone configured to accommodate the preform and in fluid communication with the nozzle of an injection head. The expansion zone is disposed adjacent to the nozzle and about the longitudinal axis defined by the injection head. A volume of an injection liquid is injected from the injection head into the preform cavity of the preform while the preform is in the expansion zone and the preform is expanded, while still in the expansion zone, into a container. Concurrently with the injecting and expanding of the preform, the preform is heated by energizing a plurality of infrared-emitting elements disposed about the preform and projecting infrared radiation into the expansion zone.

An object of the present invention is to provide a bending die that has a simple configuration and is capable of bending a rod-shaped body in a three-dimensional XYZ direction quickly and reliably. The bending die includes XY-plane forming dies that are to be clamped in an X direction to bend the rod-shaped body in an XY plane, and Z-direction forming dies that are to be clamped in a Z direction to bend the rod-shaped body in the Z direction, wherein when both the XY-plane forming dies and the Z-direction forming dies are clamped, a cavity that forms the rod-shaped body bent in the three-dimensional XYZ direction is defined therebetween.

A sensor for real time monitoring the quality of welding joints in the plastic film at the production of plastic bags on roll by measuring material changes in the welding joint is provided. The sensor comprises at least two electrode pairs arranged to measure changes in the dielectric properties of the material when the welding joint is passing through the measuring gap of the electrodes and provide a measuring signal proportional to the material change in the welding joint. The measuring signal is evaluated to detect defective welding joints in the plastic film. The electrodes are arranged so that one pair of the electrodes constitutes the signal measuring gap arranged for measuring the welding profile. The form of the measuring electrode conforms to the direction and form of the welding joint. The other pair of electrodes constitutes the reference measuring gap arranged to provide an averaged signal across the surface of the plastic film. The difference between the reference signal and the measuring signal then provides a signal which can be used for monitoring the welding quality.

The present invention concerns a cellulose based composition for manufacturing a film or foil, which composition comprises at least one selected from the group consisting of cellulose acetate butyrate, cellulose acetate propionate and ethyl cellulose, together with tall oil fatty acid ester, as well as a manufacturing method thereof. The invention also concerns packaging film comprising the composition and use of the composition.

An apparatus for fabricating a container. The apparatus includes an injection head establishing fluid communication between an injection liquid source and a preform cavity of a substantially tubular preform through a nozzle of the injection head. The longitudinal axis of said injection head being substantially vertically oriented and passing through the nozzle. The apparatus further includes a plurality of infrared-emitting elements projecting infrared radiation into an expansion zone which is disposed adjacent to the nozzle and about the longitudinal axis. The expansion zone is configured to accommodate the preform when it is positioned in fluid communication with the nozzle.

The present invention relates to a process for producing a polymer film (P) comprising a polyamide composition (PC) by extruding the polyamide composition (PC) through an annular die and then stretching the tube thus obtained by blowing in air. The present invention further relates to the polymer film (P) obtainable by the process of the invention and to a process for packaging foodstuffs with the polymer film (P).

A plurality of containers fabricated from plastic preforms, wherein the form of each of the containers is partially defined, through expansion of the containers by other containers adjacent thereto. A package including a plurality of the plastic containers is also provided.

The present disclosure is related to an inflation and sealing device that can include low or non-stick surfaces and bump-off elements to prevent sticking to a holding region proximal to the exit from the inflation and sealing device.