Abstract: The invention relates to an adjusting device (10) for controlling a discharge thickness (AD) of a nozzle discharge slot (110) of a flat film machine (100), comprising a plurality of adjusting bolts (20) for carrying out an adjusting movement for changing the discharge thickness (AD), wherein the adjusting bolts (20) comprise an adjusting region (SB) between a closing end position (SE) and an opening end position (OE), wherein further starting from the opening end position (OE), the adjusting region (SB) comprises a basic stroke path (BH) for a basic adjustment of the discharge thickness (AD) and, starting from the closing end position (SE), comprises a process stroke path (PH) for process controlling of the discharge thickness (AD).

Abstract: The invention relates to a method for controlling a thickness profile (DP) of a film track (FB) along a transverse direction (QR) by means of a plurality of adjusting means (120) for adjusting a slot opening (112) of a discharge nozzle (110) of the flat film machine (100), comprising the following steps: acquiring a thickness profile (DP) along the transverse direction (QR) of the film track (FB) transverse to a production direction (PR) of the flat film machine (100), comparing at least a partial section of the acquired thickness profile (DP) with a preset profile (VP), determining at least one local profile deviation (PA) in a deviation section (AA) as a result of the comparison, generating at least one controlling intervention for the adjustment of at least one adjusting means (120) in an intervention section (EA) different from the deviation section (AA).

Abstract: A process for manufacturing a tubular film such as an edible casing film or a packaging film. The process includes the steps of providing a preblended powder composition containing a polymer matrix, a plasticizer, and water; feeding the preblended powder composition to an extruder; heating the preblended powder composition to a temperature above 100 degrees Celsius for a sufficient time to fully hydrate the polymer matrix and to convert the powder composition to a flowable mass; and extruding the flowable mass through a tubular die of the extruder to form the tubular film. The tubular film comprises: about 40-75 wt % polymer matrix; about 10-35 wt % plasticizer; and about 10-35 wt % water. The polymer matrix component is fully hydrated under the temperature, pressure and shear conditions inside the extruder, and may have a component which is only fully hydrated at temperatures above about 100 degrees Celsius.

Abstract: The invention relates to a process for manufacturing a pre-impregnated fibrous material comprising a continuous fibre fibrous material and at least one thermoplastic polymer matrix, characterized in that said pre-impregnated fibrous material is made of a single unidirectional ribbon or a plurality of parallel ribbons unidirectional and in that said method comprises an impregnation step, in particular at the core, of said fibrous material being in the form of a roving or of several parallel rovings by said thermoplastic polymer being in powder form, said step of impregnation being carried out with said at least one thermoplastic polymer and said fibrous material the D90/D10 ratio of which by volume of the thermoplastic polymer particles ranges from 1.

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At an initial operation of the nozzle assembly for conveying the melt, the adjusting elements for subsequent regulation of the slot size are set uniquely free from play as the initial setting. The invention further relates to a control and/or regulation system.

Abstract: Disclosed herein is a roof cover board and a method of manufacturing an improved cover board product. The method includes receiving waste materials or first use materials, the waste materials or first use materials containing a mixture of cellulose, plastic and other materials; separating the cellulose and the plastic from the mixture; shredding the separated cellulose using a first shredder into a stream of cellulose and shredding the separated plastic using a second shredder into a stream of plastic; selecting a cellulose to plastic ratio from a plurality of cellulose to plastic ratios; metering shredded cellulose from the stream of cellulose and shredded plastic from the stream of plastic according to the selected cellulose to plastic ratio; mixing the metered shredded cellulose and plastic; forming said mixture into a mat; and consolidating the mat into a finished good using heat and pressure.

Abstract: A line for producing a cast film is disclosed having a slot die, a chill roll, an electrode assembly, an insulator assembly, a sensor device, and a control device. The electrode assembly is arranged between an impingement area of the cast film on the chill roll and a removal area. The insulator assembly is arranged between the electrode assembly and the chill roll shell. The sensor device continuously determines the left and right cast film edge. According to the determined left and right cast film edge the control device moves the insulator assembly in such a way that the insulator assembly is arranged: a) between the left end face of the chill roll and the left cast film edge; and b) between the right end face of the chill roll and the right cast film edge.

Abstract: A flattening apparatus includes a mold holding unit configured to suck and hold a mold including a flat portion, a substrate holding unit holding a substrate, an exposure unit irradiating a light curing composition supplied onto the substrate with light at least via the mold to cure the composition, the composition being irradiated with the light and cured in a state where the flat portion of the mold is in contact with the composition on the substrate, a gas suction unit sucking gas from a spatial region between the mold and the mold holding unit, a gas supply unit supplying the gas to the spatial region, and a control unit controlling the gas suction unit and the gas supply unit to perform temperature adjustment processing for supplying the gas to the spatial region in a state where the mold is sucked and held onto the mold holding unit.

Abstract: A method of manufacturing a polymer film includes melting a resin, extruding the melted resin through a die to produce a polymer film, shaping the polymer film, cooling the polymer film, illuminating a surface with a light source, capturing an image of a shadow cast by the polymer film on the surface while the polymer film is between the light source and the surface, calculating a frequency spectrum of at least a portion of the captured image, and adjusting a process parameter of the melting, the extruding, the shaping, or the cooling based on the frequency spectrum.

Abstract: A mould for the production of closures with tear-off membrane in a compression moulding machine, comprises: a male die element including a first abutment surface and a female die element movable relative to each other along a moulding orientation. The mould is positionable between a closed configuration, in which the male die element and the female die element are in contact with each other, and an open configuration, in which the male die element and the female die element are spaced apart. The female die element includes: a first block, a second block and a third block, aligned with each other and movable along the moulding orientation; a first spring, interposed between the first block and the second block; a second spring, interposed between the second block and the third block and configured to apply an opening force along the moulding orientation.

Abstract: Provided is a dielectric material (1, 2, 3, 4) to solve the problems of low production efficiency and high production cost of the existing dielectric material. The dielectric material (1, 2, 3, 4) is a tube structure. The tube wall of the tube structure is formed from a foam material foamed. The dielectric material further includes metal wires (11, 21, 31, 41). The metal wires (11, 21, 31, 41) are disposed in the longitudinal direction of the tube structure, and are evenly distributed in the tube wall of the tube structure without being in contact with each other. The dielectric material (1, 2, 3, 4) with such a structure has the advantages of simple structure, accurate control of the dielectric constant, light weight per unit volume, easy and efficient production, and stable technical indicators. Further provided is a dielectric material production method.

Abstract: A method of controlling a control apparatus for controlling a forming apparatus operable to form a layer of a formable material on a substrate is provided. The method includes acquiring data that specifies a drop amount and a drop position on the substrate of each of droplets, calculating a spread of each of the droplets assuming that a spread shape of each of the droplets is a polygon, and calculating a surface area of an overlapping region in which a region of a droplet that spreads into the polygon and a region of a recessed portion in the mold to be filled with the formable material overlap, and correcting, based on a result of the calculation, the data so that the recessed portion is filled with the formable material.

Abstract: A method for producing a press molded body is provided in which a material X that contains a thermoplastic resin Rx and carbon fibers A having a weight average fiber length LwA and a material Y that contains a thermoplastic resin Ry and carbon fibers B having a weight average fiber length LwB are heated, and the heated material X and material Y are pressed within a mold at the same time, thereby producing a press molded body which has a region X that is formed of the material X and a region Y that is formed of the material Y. This method for producing a press molded body is configured such that: LwB<LwA; LwB is from 0.1 mm to 15 mm (inclusive); and the press molded body has a transition zone XY where the region X and the region Y overlap with each other.

Abstract: A process for manufacturing an article made of recovered rubber crumb is provided. According to the process: a) crumb particles are mixed with particles of a solute; b) a molded article is produced by molding the mixture from step a) in a closed mold under predetermined temperature and pressure conditions; and c) the molded article is brought into contact with a solvent so as to dissolve at least one portion of the particles of said solute.

Abstract: Certain examples described herein relate to a removable unit for a three dimensional printing system. The removable unit comprises at least one compartment to store build material for a three-dimensional print job, a coupling to engage with a printer device of the three-dimensional printing system, and a memory. The memory is configured to store instructions for the three-dimensional print job for the printer device, and the instructions are readable from the memory by the printer device when the removable unit is engaged with the printer device.

Abstract: A PFA molded article of a copolymer (PFA) of tetrafluoroethylene (TFE) and perfluoro(alkylvinyl ether) (PAVE), the content of the PAVE therein being from 1 to 10% by mol, characterized in that the PFA molded article has a flex life value of not less than 2,000,000 times, a zero shear viscosity of from 10,000 to 20,000 Pa·s, and a heating weight loss of not more than 0.05% by weight, and a process for the production thereof. The PFA molded article has a high flex life value, a low heating weight loss and a low zero share viscosity yet maintaining excellent mechanical properties such as tensile strength, etc., and can be produced in good yields.

Abstract: An extrusion head and a method for producing an elongated hollow body as an extrudate of an extrusion of extrusion material are provided. The extrusion head includes: a housing; a mandrel mounted in the housing, and a mouthpiece arranged downstream of the mandrel in a direction of extrusion. The extrusion material can flow around the mandrel in the direction of extrusion of the extrusion head. The mandrel includes an end-side mouthpiece section arranged in an opening of the mouthpiece so as to form a circumferential gap between the end-side mouthpiece section and an opening in the mouthpiece, and the mandrel is pivotable about at least one axis transverse to the direction of extrusion to change a geometry of the circumferential gap.

Abstract: An extruder system for rapid change between different melt strength polymers is provided. The extruder system includes at least three polymer extruders; a flow spool; and a multilayer feedblock including a first combining zone, a second combining zone, and at least one cartridge insert arrangement in each of the first combining zone and the second combining zone; where each cartridge insert arrangement is configured to receive a cartridge insert, the cartridge insert directing flow of a polymer from one of the polymer extruders. Also provided are method of forming an encapsulated coating with the extruder system and an encapsulate coating formed with the extruder system.

Abstract: A positioning apparatus includes a guide, a movable member capable of moving in a first direction while being guided by the guide, and a driver configured to drive the movable member in the first direction. The driver includes a feed screw extending in the first direction, a nut configured to threadably engage with the feed screw and move in the first direction along with a rotation of the feed screw, and a connecting device configured to connect the nut and the movable member. The connecting device includes a hollow rod with one end connected to the movable member and the other end connected to the nut, and the feed screw is inserted into a hollow portion of the rod.

Abstract: An imprint apparatus which is advantageous in improving the accuracy of alignment of a mold and a substrate without reducing productivity is provided.