Abstract: The invention relates to a calibrating device and to a method for calibrating a film tube. An elastically deformable element (704) is secured to the sleeve (703) such that a fluid, in particular a gas, preferably air, can be introduced or discharged via a fluid connection such that a specific pressure P1 and/or a specific volume V1 is set in an area (708) enclosed by the sleeve and the elastically deformable element at a given temperature. Annular bodies (706) and (707) are arranged within the area (708), and a surface section of each annular body (706), (707) supports a respective region of the elastically deformable element (704). The elastically deformable element (704) regions which are supported by the annular bodies are located in the inlet region (711) and the outlet region (712) of the calibrating device for the film tube (713).

Abstract: The present invention relates to a method and a device for producing a roll (18) made of a material web (5) of flexible material which is guided via a contact roller (19) of a winder and is wound in the said winder to form a roll (18), wherein the contact roller (19) maintains contact with the roll (18) during winding and the wrap angle (?) of the material web (5) passing over the contact roller (19), as the former is progressively wound, is maintained throughout at a variable reference value predetermined for each winding. In this way the wrap angle (?) for the winding can be adapted to the respective composition of the material web (5), which improves the quality of the winding.

Abstract: The invention relates to a supply device for the supply of filled sacks to a palletizing device, comprising a main supply belt for the supply of a first row of filled sacks on a sliding area of the palletizing device, wherein beneath the main supply belt at least one secondary feed belt is assembled for the supply of another row of filled sacks on the sliding area beneath a first row of filled sacks.

Abstract: The invention relates to a method for monitoring a winding device (10), comprising the following steps: Displaying of a schematic illustration of functional units (20) of the winding device (10) on a display device (30), Detection of at least one operating parameter (40) of at least one functional unit (20) of the winding device (10), Displaying of the at least one detected operating parameter (40) on the display device (30) next to the schematic illustration of the corresponding functional unit (20).

Abstract: A palletizing device for a piling of layers from at least two rows of filled sacks to a sack stacking comprising a sliding device with a sliding area for the formation of a layer of filled sacks and a supply device with at least a conveyor belt for the supply of filled sacks in a feed position on the sliding area, wherein the sliding device comprises a sliding table beneath the sliding area and a slider for sliding of the filled sacks from a sliding position on the sliding area on the sliding table, wherein the conveyor belt is performed in a way that a supply distance between a feed position and the sliding position is smaller than a sliding distance between the sliding position and a frame of the sliding device at the supply edge of the conveyor belt.

Abstract: The present invention relates to a method for changing material in an extrusion device comprising at least two supply devices for supplying feedstock for an extruder, comprising the following steps: identifying a change request for changing the material in the extrusion device, preparing the supply devices for changing the material, separating at least two supply devices from the feed of feedstock to the extruder, discharging feedstock from the separated supply devices, filling subsequent material into the empty supply devices.

Abstract: The present invention relates to a method for changing material in an extrusion device comprising at least two supply devices for supplying feedstock for an extruder, comprising the following steps: identifying a change request for changing material in an extrusion device, predetermining a production stability for a time after the material of at least one supply device has been changed, comparing the predetermined production stability to a threshold value of stability, changing the material in at least one supply device depending on the result of comparison.

Abstract: The invention relates to a film product (10) comprising a substantially continuous extension with an upper side (12), a lower side (14) and two laterally extending edges (16a), characterised in that a continuous edge portion (20a) made from a first material is arranged on each of the two edges (16a) and a continuous main portion (30) made from a second material is arranged between the edge portions (20a), the first material having a higher surface adhesion than the second material.

Abstract: The invention relates to a drying device (10) for a drying between inking units of a printing machine (1), with which a substrate (2) can be transported via rotating cylinders (3.1, 3.2, 3.3) and is printable with a coloring agent (4), with an air supply unit (11) for supplying of air (5) in direction of the substrate (2) in order to effect a drying of the coloring agent (4), a suction unit (12) for discharging the air (5), a control unit (20), which controls and/or regulates the air supply unit (11) in dependence of the operating parameters (B) in a way that altering drying areas (13.1, 13.2, 13.3) are adjustable at the substrate (2).

Abstract: A device for turning over an object, particularly a package of stacked sacks, having a holder device for the purpose of receiving, turning over, and releasing the object, the holder device including two transport elements for conveying the object, and having a rotary device for rotating the transport elements about a stationary axis of rotation, the rotary device including a rotatable frame to fasten the transport elements on both sides thereof, where the transport elements are fastened to the frame in a manner allowing movement, where the rotary device has a rotary drive which drives the frame on both sides.

Abstract: A film-making machine that produces stretch film includes an outlet device with an outlet gap for outlet of free-flowing film material and a rotatably mounted casting roll that receives the released free-flowing film material on a surface of the casting roll, and a cleaning device with a rotatably mounted cleaning roll that contacts the film material lying on the surface of the casting roll, wherein the cleaning device has an adjusting mechanism with a circumferential adjustment that adjusts a cleaning position of the cleaning roll along a circumferential direction of the casting roll.

Abstract: The invention relates to a device for cooling a film (1) which can be produced in a film extrusion system in particular, comprising a housing (11) that has at least one channel (12), at least one inlet opening (13), and at least one outlet opening (14) through which a cooling gas (2) can flow and comprising an adjusting arrangement (10) with which the cooling gas (2) volumetric flow rate that can flow out of the outlet opening (14) and the temperature of the cooling gas (2) that can flow out of the outlet opening (14) can be adjusted. According to the invention, the adjusting arrangement (10) comprises a lever system which has a movable actuator (15) and a movable valve element (16), said actuator (15) acting on the valve element (16) such that an actuating effect of the valve element (16) is reinforced.

Abstract: The invention relates a device for suctioning off waste products of the production machine comprising a suction chamber at which at least a suction element is assembled which extends into a suction space, which is outside the suction chamber in order to convey waste products into the suction chamber, wherein the suction element comprises an inlet area, which is facing the suction space and an outlet area, which ends in the suction chamber.

Abstract: Method for the determination of the winder quality of a film roll (10) of a film (30) on a winder roller (20) comprising the following steps: determination of the roll hardness (WH) of the film roll (10) during the winding on of the film (30) on the winder roller (20), determination of a variation from the determined roll hardness (WH) of the film roll (10) from at least one standard value (V1, V2) for the roll hardness (WH) of the film roll (10), determination of the film roll (10) using the determined variation.

Abstract: The invention relates to a guiding device for guiding a blown film between a film blowing die and a take-off roller device, comprising at least two lateral guides located opposite one another for laterally guiding the blown film, wherein at least one lateral guide is provided with a first guide segment and a second guide segment, which are connected to one another in an articulated manner. At least one lever kinematics is provided, which is in drive connection with a drive device, and which is interconnected with the two guide segments such that when the drive device is actuated by way of the lever kinematics, the angles of attack (?a, ?e) of the two guide segments to the conveyance direction (F) of the blown film can be varied.

Abstract: The invention relates to a die device (10) for an extrusion blow-molding apparatus (100) for producing a multilayered blown film (300), with an inner surface (310) and an outer surface (320), having a die orifice for the discharge of a multilayered material melt (300), wherein a temperature-control device (30) is arranged in order to set a different temperature on the two sides (310, 320) of the material melt (300). The invention also relates to a method for equalizing the differences in viscosity of the materials of the layers (350) by a controlled (40, 60) temperature setting.

Abstract: The invention relates to a receptacle (10), in particular a flexible bag (10) made of paper, with a front part (20), a back part (30) and a bottom (50), which is closed by a bottom unit, and with an opening (1) lying opposite the bottom (50), wherein the bottom unit has a bottom portion (120) of the front part (20) and a bottom portion (130) of the back part (30), the bottom portion (130) of the back part (30) is shorter than the bottom portion (120) of the front part (20), such that the bottom portion (120) of the front part (20) is secured directly on the back part (30) by turning the bottom unit (100) back along a fold line (101), and the opening (1) is formed by a peripheral edge (2) which extends at a height of the front part (20) and of the back part (30) and which is at least partially frayed, thereby reducing the danger of injury at the edge (2).

Abstract: The invention relates to a reel handling system for a winder (50), in which bobbins (1) with a material web (2) can be applied, with the result that a plurality of reels (3) which are wound on the bobbins (1) with a material web (2) are produced, having a feed unit (10), in order to transfer a plurality of bobbins (1) to a receiving unit (20), wherein the receiving unit (20) is arranged movably between the feed unit (10) and a transfer station (60), by way of which receiving unit (20) bobbins (1) can be transferred to the winder (50) and reels (3) can be transferred from the winder (50) to the transfer station (60), wherein a positioning device (80) is provided between the transfer station (60) and the feed unit (10), which positioning device (80) brings about positioning of the bobbins (1) during the movement of the receiving unit (20) in the direction of the transfer station (60).

Abstract: The invention relates to a reel handling system for a winder (50), in which bobbins (1) with a material web (2) can be applied, with the result that a plurality of reels (3) which are wound on the bobbins (1) with a material web (2) are produced, having a feed unit (10), in order to transfer a plurality of bobbins (1) to a receiving unit (20), wherein the receiving unit (20) is arranged movably between the feed unit (10) and a transfer station (60), by way of which receiving unit (20) bobbins (1) can be transferred to the winder (50) and reels (3) can be transferred from the winder (50) to the transfer station (60), wherein the transfer station (60) has a holding device (61), to which a winding shaft (62) is fastened releasably on one side, wherein the bobbins (1) can be pushed onto the winding shaft (62) during the movement of the receiving unit (20) in the direction of the transfer station (60).

Abstract: The invention relates to a roll handling system for a winder (50) in which cores (1) are applicable each with a material web (2) so that a plurality of rolls (3) consisting of cores (1) wound with the material web (2) are produced with a supply unit (10) in order to transfer a plurality of cores (1) to a receiving unit (20), wherein the receiving unit (20) is movably assembled between the supply unit (10) and a transfer station (60) with which cores (1) are transferable to the winder (50) and rolls (3) are transferable from the winder (50) to the transfer station (60). According to the invention the receiving unit (20) comprises a first contact surface (23) with positioning means (24) in order to align the core (1) at the receiving unit (20) via a positioning device (80) assembled between the supply unit (10) and the transfer station (60).