Provided is a measurement device (10) for detecting local thickenings in a film web (20), more particularly an extrusion and/or coextrusion film, having a first roll (14) for rolling on the film web (20) that can be moved along, a second roll (18) that can be supported indirectly above the film web (20) on the first roll (14) for rolling on the film web (20) that can be moved along, wherein the second roll (18) is resiliently guided in the thickness direction of the film web (20) that can be moved along, more particularly in the vertical direction, and at least one distance sensor (24) that is stationary with respect to the first roll (14) and/or to the film web (20) that can be moved along, for detecting a distance of the second roll (18). The second roll (18), which can be displaced from a local thickening of the film web (20) in the thickness direction of the film web (20), makes it possible to quickly and easily detect local thickenings in a film web (20).

Methods and systems of measurement for blown film lines are provided. The sensing system includes a terahertz (THz) sensor positioned adjacent to a film bubble extruded from a blown film die, and a sensor support configured to guide the THz sensor around the circumference of the film bubble to measure its film thickness.

A dispenser for discharging a mixture of gas and paste material includes: a nozzle part (2) provided in a tip end part of a body (11) and having a tip end opening; a flow path (4) for the mixture extending from an introduction part (5) for the mixture to the tip end opening through a hollow space of the nozzle part; a needle part (3) movable in the flow path of the nozzle part to open and close the flow path; a driving part (7, 8, and 9) that drives the needle part; and a stopper part (10, 14, and 16) that limits an operation range of the needle part. The nozzle part has a tapered section in which an inside diameter of the flow path of the nozzle part relative to an operation range of a tip end of the needle part decreases toward the tip end opening.

The present invention aims to provide a method for producing a pellet and an apparatus for producing a pellet, including a conveyor belt that conveys a strand formed by melting a composition containing a thermoplastic resin and an additive and then ejecting the molten composition from a feeder, a liquid-spraying device spraying a liquid toward the strand conveyed, a gas-blowing device blowing a gas toward the strand conveyed, a strand cutter cutting the strand conveyed into a pellet, the liquid-spraying device, the gas-blowing device, and the strand cutter being disposed in this order in the conveying direction of the strand, a measurement device measuring a surface temperature of the strand, the measurement device being disposed upstream of the strand cutter in the conveying direction, and an adjustment mechanism adjusting driving of at least one of the liquid-spraying device and the gas-blowing device in accordance with the surface temperature measured.

A rubber extrusion device comprises a control plate having an adjustment flow path communicating with an extrusion flow path formed in a head and an extrusion port formed in a die is interposed between the head and the die; the control plate is slid along and between the head and the die to change a position of a communication region of the extrusion flow path with respect to the adjustment flow path at a leading end opening of the extrusion flow path to set the control plate at a desired position; and unvulcanized rubber, obtained by mixing and kneading rubber material while extruding the rubber material forward with a screw, passes through the extrusion flow path and the adjustment flow path to be extruded from the extrusion port.

A rubber extrusion device comprises a control plate having an adjustment flow path communicating with an extrusion flow path formed in a head and an extrusion port formed in a die is interposed between the head and the die; the control plate is slid along and between the head and the die to change a position of a communication region of the extrusion flow path with respect to the adjustment flow path at a leading end opening of the extrusion flow path to set the control plate at a desired position; and unvulcanized rubber, obtained by mixing and kneading rubber material while extruding the rubber material forward with a screw, passes through the extrusion flow path and the adjustment flow path to be extruded from the extrusion port.

Plant for producing non-woven fabric, which comprises a cooling chamber provided with a first and with a second cooling section traversed by filaments of non-woven fabric. In addition, the plant comprises a feed duct connected to the cooling chamber in order to convey, within the latter, a cooling gas by means of the action of a fan, and provided with a first and with a second valve arranged for determining corresponding flows of the cooling gas to be introduced, respectively, in the first and in the second cooling section. A pressure sensor is employed in order to determine the pressure in the cooling chamber, by controlling the fan in a feedback manner.

Plant for producing non-woven fabric, which comprises a cooling chamber provided with a first and with a second cooling section traversed by filaments of non-woven fabric. In addition, the plant comprises a feed duct connected to the cooling chamber in order to convey, within the latter, a cooling gas by means of the action of a fan, and provided with a first and with a second valve arranged for determining corresponding flows of the cooling gas to be introduced, respectively, in the first and in the second cooling section. A pressure sensor is employed in order to determine the pressure in the cooling chamber, by controlling the fan in a feedback manner.

A dry granulation process using a twin-screw extruder for granulating a powder mixture which includes at least one active ingredient and at least one carrier. The process includes steps of kneading the powder mixture in the screw barrel of the twin-screw extruder at a barrel temperature below a melting point of the at least one active ingredient and a melting point or a glass transition temperature of the at least one carrier to provide a kneaded powder mixture, and extruding the kneaded powder mixture to form granules. Granules and tablets produced using the dry granulation process in the twin-screw extruder are also provided.

The invention relates to an apparatus and to a method for film production and/or film processing, characterized by a device for determining the flatness and/or evenness of the film and for further processing and/or outputting the determined results.