Abstract: Apparatus for manufacturing an open-mouth bag of at least one layer of a flexible bag material, and method of manufacturing a bag by such apparatus. The apparatus includes a shaping device with a shaping box in the contour of the bag shape to be formed, with a top end and a bottom end, a conveying device for transporting the bag material along the shaping box, a closing device for joining the bag material along the shaping box to form a tube, and a closing station for generating a bag bottom, which is disposed beneath the bottom end of the shaping box. A partial vacuum device is configured to generate intermittently, a partial vacuum. When manufacturing a bag, the bag material is draped around the shaping box in the contour of the bag shape to be formed as continuous material and is joined to form a tube by the closing device.

Abstract: Filling unit (1) for a packaging machine (100) for filling bulk materials (50) into packages (60), and packaging machine with a filling unit (1), comprising a conveyor device (2), by means of which bulk materials (50) can be conveyed into a package (60), and a control device (3), which is suitable and configured to guide a filling stream (4) into a package (60). A fill level sensor device (5) including a sensor device (6) is provided, which is suitable and configured to detect a first fill level (7) and a second fill level (8) of bulk materials (50) in a package (60), wherein the first fill level (7) corresponds to a lower fill level than the second fill level (8). The control device (3) regulates the filling stream (4) by way of the fill levels determined by the sensor device (6). With the method according to the invention, the package is filled until the second fill level is detected. Then the filling stream is reduced until the first fill level is detected. Thereupon the filling stream is increased.

Abstract: Apparatus and method of manufacturing open-mouth bags, comprising a storage device with a supply of bag film, a control device for controlling, a conveying device for conveying the bag film and/or the bag body along a conveying path, a welding device with welding means for making a bottom seam in the bag film and a cutting device with a cutting means for separating a predetermined film length of the bag film to form the bag body of an open-mouth bag. The control device controls the conveying device so as to cause a relative motion of the bag body and the bag film and a distance between the bag body and the bag film is generated prior to making the bottom seam. The control device controls the conveying device and the welding means so that while welding the bottom seam the welding means extend at least up to the bottom end of the bag body.

Abstract: A packaging machine and method for filling bulk materials into packages with a rotatable machine frame and a plurality of circumferentially arranged filling spouts. During frame rotation, bulk materials are filled into packages. A machine silo is configured at the machine frame which has a storage volume for storing a quantity of bulk materials for filling a plurality of packages. Bulk materials are filled into the attributed packages from the silo through the filling spout. The machine silo is connected with a material supply with a controllable closing member for feeding bulk materials to the machine silo. A controller controls the closing member of the material supply dependent on the fill level to reduce the height of fall of the bulk materials being fed into the silo, or to avoid a free fall of the bulk materials during the feeding of bulk materials into the machine silo.

Abstract: A filling machine for filling open-mouth bags with bulk material wherein the open-mouth bag is at least temporarily received in a container with a cleaning apparatus, and a cleaning apparatus for cleaning a tubular inner wall of the container e.g. from particles of bulk material, the cleaning apparatus including a cleaning device that is movable in the container in a longitudinal direction. The cleaning device has a laminate of a multitude of layers. The layers extend transverse to the longitudinal direction and the laminate includes two end layers having one end face each. One end layer is configured as a top layer with a top surface and one end layer, as a bottom layer with a bottom surface. The laminate is configured with a plurality of outwardly oriented fluid outlet ports for directing a fluid flow toward the tubular inner wall of the container.

Abstract: A compaction station and method with a compacting device for compacting open-mouth bags filled with bulk materials includes a container with a tubular inner wall and a takeup space for taking up a filled open-mouth bag, and a support unit on a height-displaceable lifting device, wherein when the lifting device is in a lowered position the support unit is supported from beneath and when in an elevated position, it is suitable to take over a filled open-mouth bag from an adjacent conveyor device. A pressure plug that can be lowered from above is included which, when in a lowered position acts on the bulk material from above, and in an elevated position allows takeover of a filled open-mouth bag from an adjacent conveyor device.

Abstract: A compacting device and method is provided for compacting bulk material in an open package, the compacting device including a poker compactor accommodated on a carrier device. The poker compactor includes a gas-permeable outer wall connected with a suction duct. The poker compactor is suitable to be inserted into an open package for the poker compactor to come into contact with the bulk material to degas and compact the bulk material in the open package. The poker compactor has a longitudinal axis around which it is pivotally accommodated.

Abstract: An apparatus and method for compacting bulk material in an open container having a compacting device including a poker compactor, the poker compactor having an outer wall and being suitable to be inserted into an open container to cause the outer wall of the poker compactor to contact the bulk material and to degas and compact the bulk material in the open container. The outer wall of the poker compactor is at least partially formed by a gas-permeable, outer suction wall of a suction device and the poker compactor includes a vibration exciter to support degassing the bulk material by way of vibrating motion of the poker compactor generated by the vibration exciter. The vibration exciter is radially surrounded by a tube device and the suction wall surrounds the tube device.

Abstract: Apparatus and method for filling bulk goods into empty open bags (3) comprising at least one weighing unit (7) and at least one filling station (11-18) and a bag receiving unit (10) disposed thereat, wherein a bag (3) received by the bag receiving unit (10) is filled. The bag receiving unit (10) is configured as a receiving box (30) having a receiving space (31) to receive a bag (3). The receiving box (30) is provided with a suction aperture (34) to temporarily receive in the receiving box (30) the empty bag (3) intended for receiving in a form-fit at least in sections. The receiving box (30) comprises suction apertures (34) in a lower region (31a) and in at least one region (31b, 31c) above that which are controlled differently.

Abstract: Apparatus and method for filling flowable materials such as fluids and bulk goods into flexible open-mouth bags, the apparatus including a stationary part and a movable part wherein the movable part is provided with multiple filling stations. Each filling station has a retaining device fastened to the movable part. A plurality of handling stations are received and distributed at the stationary part. A handling station is configured to take over empty open-mouth bags and a handling station is configured for filling a bag. One handling station is provided with a weighing unit. A bag receiving unit is configured to receive and guide the bag. The bag receiving unit at the handling station equipped with a weighing unit can be temporarily decoupled from force transmission to the retaining device to enable separate weighing of the bag receiving unit with the bag.

Abstract: A processing device and method for processing a stack of bags having a multitude of open-mouth bags are provided, including a stacking device on which the stack of bags can be disposed in a base position, wherein the open-mouth bags of the stack have a bag length and an open filling mouth at one end. A marker device and a bag conveying device are provided that are suitable and provided for gripping the topmost open-mouth bag of the stack in the base position and displacing it to a take-up position that is only partially supported on the stack of bags and putting at least one mark on the open-mouth bags in the take-up position.

Abstract: Packaging machine and method for filling dusting product such as bulk material into open-mouth bags via a filling process. The filling process is controlled by weight via a control device and a weighing device. A batching element conveys product and introduces it through a filling spout into an open-mouth bag appended for the filling process. The filling spout is connected with a collecting tank through a flow connection such that a pressure surge occurring during the filling process is utilized for transferring into the collecting tank the displacing air contained in the open-mouth bag and including the dusting product to receive and settle the displacing air in the collecting tank and to deposit at least part of the dust content of the displacing air in the collecting tank as deposited product.

Abstract: A coated fabric (11), comprising a fabric (12) from polymer tapes (12a, 12b), wherein the fabric (12) is coated with a sealing layer (13), wherein • at least a portion of the polymer tapes (12a, 12b) have a breaking tenacity of less than 45 cN/tex, preferably 15 to 40 cN/tex and an elongation at break of more than 30%, preferably of 40 to 90%, and/or • wherein the sealing layer (13) is formed from a composition A comprising at least one ethylene/?-olefin interpolymer, and wherein the composition has a density from 0.905 to 0.930 g/cc, preferably from 0.910 to 0.

Abstract: An apparatus and method for compacting bulk material in an open container having a compacting device including a poker compactor, the poker compactor having an outer wall and being suitable to be inserted into an open container to cause the outer wall of the poker compactor to contact the bulk material and to degas and compact the bulk material in the open container. The outer wall of the poker compactor is at least partially formed by a gas-permeable, outer suction wall of a suction device and the poker compactor includes a vibration exciter to support degassing the bulk material by way of vibrating motion of the poker compactor generated by the vibration exciter. The vibration exciter is radially surrounded by a tube device and the suction wall surrounds the tube device.

Abstract: Apparatus and method for processing open-mouth bags comprising a handling device for exchanging open-mouth bags with a rotary packaging machine. The handling device comprises a rotating device that circulates around a rotation axis of the handling device and is provided with two gripping arms for gripping the open-mouth bags. The two gripping arms are disposed for separate, longitudinal movement transverse to the rotation axis of the rotating device to enable longitudinal movement of the gripping arms relative to the rotating device in addition to the circulating motion around the handling device.

Abstract: Apparatus (1) and method for packaging flowable materials such as fluids and bulk goods (4) into flexible empty open-mouth bags (3) comprising a stationary part (5) and a movable part (6) wherein the movable part (6) is provided with multiple filling stations (11-18) traveling along. Each filling station (11-18) has a retaining device (20) fastened to the movable part (6). A plurality of handling stations (41-48) are received and distributed at the stationary part (5). A handling station (41) is configured as a takeover station to take over empty open-mouth bags (3) and a handling station (42) is configured for filling a bag (3). One handling station (44) is provided with a weighing unit (7). A bag receiving unit (10) is fastened to each of the retaining devices (20) to receive a bag (3), the bag receiving unit (10) being configured to receive and guide the bag (3).

Abstract: Packaging machine and method for filling open-mouth bags comprising a filling spout, wherein by way of a motion oriented upwardly relative to the filling spout an open-mouth bag can be appended to the filling spout. A dosing device and a weighing device are provided for weighing a pre-defined quantity of a product intended for bagging. A volume flow control device is provided to control during the filling process a strength of the volume flow into the open-mouth bag in dependence on the time. The volume flow control device comprises a filling element and a control device to control during the filling process a strength of the volume flow into the open-mouth bag in dependence on the filling process so as to keep the top bag wall of the open-mouth bag substantially free of product intended for bagging. The filling element serves as a dosing device to transport the product intended for bagging from a dispensing silo into the open-mouth bag.

Abstract: Apparatus and method for processing materials such as granular matter mined from deposits, comprising a tubular container disposed upright and an axle device provided centered therein. A processing chamber for receiving the material to be processed is provided between the axle device and the inner wall of the tubular container. The tubular container is driven rotatingly. Engaging dogs are provided in the processing chamber as working elements.

Abstract: A packaging machine and method for filling bags with a supporting structure to which at least one filling box is fastened which includes a conveyor element and to which a weighing device and a filling spout are assigned. A control device is provided. The filling box is retained non-communicating with the supporting structure and the assigned filling box and is weighed separately by the assigned weighing device to discharge from the filling box a predefined quantity of intended fill product by way of differential weighing and to fill it into the bag through the filling spout. The control device controls the strength of a volume flow into the bag over the time of the filling process so that the intended fill product is maintained at a high fill height while overflow is simultaneously prevented.

Abstract: A processing device for processing at least one stack of bags including a plurality of bags, wherein at least one stacking device is provided on which the stack of bags can be arranged in a base position, wherein the bags in the stack of bags have a bag length and a bag width, including providing at least one centering device having at least two centering units disposed opposite one another and disposed so that a driving device can move them relative to one another, towards one another and away from one another, and that the centering unit provided on a first side is at least temporarily coupled with a return side of at least one continuous belt and wherein the centering unit provided on a second side is at least temporarily coupled with the carrying side of at least one continuous belt.