A method for forming an uncured rubber component, the method includes conveying an uncured extruded rubber strip extruded continuously from an extruder using a conveyor, the conveyor including a first conveyor and a second conveyor located at a downstream side of the first conveyor in a convey direction, the step of conveying including shrinking the uncured extruded rubber strip, wherein the step of shrinking is such that the uncured extruded rubber strip, in a relaxed state of a U-shaped manner, passes through fluid held in a tank between the first conveyor and the second conveyor without being restrained so that the uncured extruded rubber strip shrinks freely while receiving buoyancy from the fluid, and cutting the uncured extruded rubber strip in a predetermined length to form an uncured rubber component, after the step of shrinking.

A system for producing a homogenous extrudate powder coating composition having predetermined properties, the system comprising a color library database that is configured to store one or more input formulation data objects capable of use in controlling the inputs and operation of an electronically controlled homogenous extrudate mixer.

A method of manufacturing a blown film (F) comprising extruding it through a die (D), flattening the film with a folding angle that varies, measuring a transverse profile of a characteristic property of the blown film, which property is summed over two juxtaposed portions of a wall of the flattened film, and estimating a polar profile on the basis of said transverse profile, the method further comprising determining polar positions of the periphery of the flattened blown film that correspond to a transverse position of the film, determining discretized angle values flanking each of the polar positions, and, on the basis of said discretized angle values, computing interpolation coefficients that associate the polar profile of the film with a discretized polar profile of the film, and, based on said interpolation coefficients, updating the estimation of the discretized polar profile of the film by applying a Kalman filter.

A device and method for the production of a tubular film in a blown film method with a blown film line. It includes a lay-flat device and a takeoff device with a pair of take-off rolls, in which the tubular film can be laid flat, and at least one venting device of the previously flattened tubular film. The deaerating device includes a movement device for a cutting device with cutting elements and is arranged in the transport direction of the flattened tubular film downstream of the pair of take-off rolls so that the flattened tubular film can be slit and deaerated by the deaerating device.

The continuity of a functional layer of a web (32, 60, 78) is assessed by forwarding the web, detecting (42, 63) the presence of the functional layer and a discontinuity and/or a thin region in the functional layer, and generating a signal in response to the discontinuity and/or thin region. The functional layer comprises a detectable component (360) in a thermoplastic composition. The detecting is carried out by a machine vision system capable of detecting the detectable component (360) in the functional layer. The detectable component (360) can be active or passive. Also included are systems for carrying out the process.

An apparatus (31) for correcting the bending of the molten resin includes a temperature-adjusting device (32) arranged surrounding an extrusion passage (12) for extruding the molten resin (8) of an extrusion die head (7) along the direction of extruding the molten resin (8), a measuring means (33) for measuring the horizontal position of the molten resin (8) extruded from an extrusion opening (20) of the extrusion passage (12), and a control means (34) for controlling the temperature-adjusting device (32) based on the results measured by the measuring means (33).

A multi-layer film comprising, an outer two layers of the multi-layer film comprising a linear low density polyethylene (LLDPE) butene resin, a next two inwardly successive layers of the multi-layer film comprising a linear low density polyethylene (LLDPE) hexene resin, wherein at least one of the next two inwardly successive layers comprises one or more recycled resin components, wherein at least one of the one or more recycled resin components are filtered using continuous filtration, a core layer of the multi-layer film comprising a linear low density polyethylene (LLDPE) hexene resin, and at least one edge of the multi-layer film comprising a folded edge.

A compression moulding machine comprises: an extrusion unit configured to extrude a rod of pasty polymeric material; a cutting element, configured to portion the rod into individual charges; a rotary carousel, including a plurality of moulds, each mould being configured to receive a respective charge and to form a corresponding object from the charge; a feeder, configured to convey each charge to a respective mould at a feed position; an inspecting device, configured to capture inspection data, representing a composition of the rod or of the charges.

A process for fabricating a powder coating composition having a desired color from solid input filaments. A plurality of solid input filaments is fed to a mixer in accordance with an input formulation for a color. The input filaments are liquefied at the mixer, and the liquefied input filaments are combined together in the mixer into an extrudate mixture. The extrudate mixture is removed from the mixer, solidified, and then the solidified extrudate mixture is milled into a powder.

A method for controlling the thickness of a continuous elongated element made of elastomeric material, applied according to coils wound on a forming support, includes: advancing a head end of the continuous elongated element toward the forming support; subjecting, during the advancement, the continuous elongated element to a first stretching with a first stretch coefficient before applying on the forming support; and subjecting, during the advancement, the continuous elongated element to a second stretching with a second stretch coefficient during the application on the forming support. During the first stretching, a span of the continuous elongated element adjacent to the head end is stretched with a supplementary stretch coefficient greater than the first stretch coefficient, in a manner so as to confer, also to the span adjacent to the head end, a stretch and a section similar or substantially equivalent to those of the rest of the continuous elongated element.