Abstract: A cleanable conveyor frame and a method for making a cleanable frame having a simplified frame design. Infeed and outfeed assemblies are movable between operating and cleaning positions. An outfeed assembly includes a drive for a conveyor belt and a position limiter-scraper assembly. The position limiter-scraper assembly comprises a roller extending between two connecting plates mounted to outfeed mounting plates, a scraper assembly having a scraper blade mounted to a mounting bar extending between the two connecting plates and a leaf spring extending rearward from the mounting bar for biasing the scraper blade into contact with the conveyor belt.

Abstract: A nip guard (10) for use with a conveyor system which includes a pulley (84) and a flexible conveyor belt (88) which is engaged with and which passes over the pulley (84), the conveyor belt (88) including an outer load-carrying surface (82) and an inner surface (86), wherein the nip guard (10) includes supporting structure (64, 66, 60) and, mounted to the supporting structure (60, 64, 66), at least one belt scraping element (46) configured to be in scraping contact with the inner surface (86) of the belt (88).

Abstract: A retractable purging mechanism is preferably comprised of a bracket that is connectable to a 3D printer. An actuatable shaft is secured to the bracket and the shaft engages a rocker arm, which in turn engages a collecting tray and moves the collecting tray from a first position to a second position. The collecting tray is adapted to receive a material that is discarded when, for example, a different print colour is used in 3D printing. A sweeper is also provided, the sweeper connected to the collecting tray to remove the material from the collecting tray.

Abstract: A self-service terminal has a bin for storing media items. A mechanism is coupled to the bin that has a pathway for selectively conveying a media item from the bin to a dispenser. A heater device is mounted in the pathway for sanitizing the media item as it is conveyed to the dispenser. The heater device has a heating element set to a predetermined temperature and a roller driven by a motor set to move the media item past the heating element at a predetermined rate of speed. By selecting the predetermined temperature to 116° C. and the predetermined rate of speed to 181 mm/sec, 99.9999% of the viral load of a known type pathogen, i.e., SARS-CoV-2, is eliminated from the media item by the sanitization process.

Abstract: To provide a roller scraper capable of having a long service life. A roller scraper that removes attached substances on a surface of a roller, the roller scraper including a scraper main body that is supported on a floor portion and a scraping claw that is disposed in such a manner as to project in a width direction of the scraper main body. The scraping claw is placed against the roller in such a manner as to be in contact with the surface of the roller, and an opening is formed in the scraper main body.

Abstract: A contact protection structure can be positioned on a belt body to prevent a pinching gap, where the belt body presents a conveyor belt deflected by a roller, and where a roller holder supporting the roller and attachable to the belt body also supports the contact protection structure.

Abstract: A secondary belt cleaner system for cleaning the surface of the return side of an endless conveyor belt. The system includes a plurality of blade devices that are rotatably biased against the return side surface using a respective torsion spring therein. Each blade device includes a head portion formed by a blade support and a replaceable blade tip that is releasably secured to the blade support. The head portion is connected to one end of a blade arm and the other end of the blade arm is coupled to a rotatable shaft inside a housing that is fixedly secured to a support shaft having mounting brackets at each end for mounting the system transversely to the conveyor belt frame. Adjacent blade devices have different blade arm lengths in order to have the blade coverage overlap with no gaps in between.

Abstract: A cleaning device includes a sheet conveyance roller, and a cleaning unit that cleans a surface of the sheet conveyance roller. The cleaning unit includes a cleaning member that can come in contact with the surface of the sheet conveyance roller, and a pressing roller that presses the cleaning member against the surface of the sheet conveyance roller. The pressing roller includes a low Young's modulus area formed at least on a part of the pressing roller in a radial direction, the low Young's modulus area having a Young's modulus lower than a Young's modulus of the sheet conveyance roller. When the surface of the sheet conveyance roller is cleaned, the pressing roller is pressed against the sheet conveyance roller so as to elastically deform in the radial direction in a state where the cleaning member is sandwiched between the pressing roller and the sheet conveyance roller.

Abstract: A conveyer assembly, and a method of maintenance thereof, the assembly comprising a conveyer belt supported in rotation by a frame, and guard rails on each longitudinal side of the belt, wherein lever arms connected to pivoting fingers resting between the upper run of the belt and the frame connect the guard rail to the frame; and wherein upon deployment of the lever arms, the fingers pivot into contact with the upper run of the belt, thereby pushing the upper run of the belt up away from the frame, while the guard rails are lifted up from the frame; and upon release of the lever arms, the fingers pivot back between the upper run of the belt and the frame, thereby releasing the upper run of the belt while the guard rails are lowered to the frame.

Abstract: A conveyor comprises an endless belt and a belt return device. The endless belt comprises an upper run and a lower run and is configured to convey conveying material in a conveying direction. An intermediate space is defined between the upper run and the lower run. The belt return device facilitates transitioning of the endless belt between the lower run and the upper run. The endless belt defines at least one passage opening which allows the exit of at least a portion of an intermediate space material which is formed by a portion of the conveying material which has reached the intermediate space. At least a portion of the endless belt comprises a conveyor track and a passage track. The passage track defines the at least one passage opening. The conveyor track and the passage track are arranged side by side in the conveying direction.

Abstract: Conveyor belt cleaners are described. In some embodiments, the cleaner is installable and removable from the conveyor along a length thereof. In some embodiments, the cleaner is supported on one or more flexible supports. In some embodiments, the cleaner is removably attachable on the conveyor without modifying the conveyor. In some embodiments, the cleaner is removably mountable to one or more rails of the conveyor. In some embodiments, a side roller is supported on a drop bracket used to support a generally horizontal roller such as a return roller.

Abstract: A self-cleaning ring conveyor includes a first roller having a first rotational axis and a second roller having a second rotational axis that is parallel with the first rotational axis. The conveyor also includes a first ring extending around a combination of the first roller and the second roller and a second ring extending around the combination of the first roller and the second roller. The first ring and the second ring are parallel to each other. The conveyor also includes a first scraper having a first scraping slot and a second scraping slot. The first ring extends through the first scraping slot and the second ring extends through the second scraping slot.

Abstract: A heated scraper bar assembly for a conveyor belt system having a reservoir configured to retain a liquid. A heating element is configured to heat the liquid in the reservoir. A scraping system is affixed to the reservoir and in thermal communication with the liquid. The scraping system increases in temperature through the thermal communication with the heated liquid to prohibit frozen process materials from sticking to the scraping system. The scraper bar assembly is useful for removing frozen debris from an active conveyor belt system.

Abstract: A belt conveyor having a pair of side frames between which a belt is moved for conveying items includes a pair of idler rollers about which the belt is disposed for conveying items there between, a tension roller that is biased into engagement with the belt, and a driven roller operative to drive the belt about the idler and tension rollers. The tension and driven rollers are mounted between the side frames and are disposed lower than the idler rollers, with the tension roller mounted by a tensioner mount configured to impart a biasing force to the tension roller against the belt.

Abstract: A conveyor belt scraper (44) which has a molded base (10), a scraper element (46) which is molded to the base (10), and resiliently compressible inserts (80, 82) between relatively movable opposed surfaces of the base (10) and the scraper element (46).

Abstract: A printing apparatus includes a transport belt, a print head, a static eliminating section, and a wiping section. The transport belt electrostatically adsorbs a medium on an outer surface thereof and transports the medium in a transport direction.

Abstract: We disclose a roller guard with discharge for friction-driven sweep conveyors. This disclosure limits the introduction of particulate matter into the interface between a driven roller and an inner surface of a continuous conveyor belt. The roller guard assembly is mounted between an upper belt portion and a lower belt portion near the drive roller and has a retaining wall member oriented at an angle that is neither parallel with nor at a right angle to the longitudinal axis of the belt and at such an angle that particulates carried on the inner surface of the lower belt portion are directed toward the discharge aperture in the first sidewall.

Abstract: A drive device for a belt conveyor device includes a drive pulley, a first pulley, a second pulley, a support frame, and a drive motor. The drive pulley has a drive shaft direction length less than a plurality of previously set belt widths of the endless belt and has the driving shaft direction length being set to a same length regardless of the plurality of previously set belt widths of the endless belt. Axial lengths of the first pulley and the second pulley are set to the same length as the axial lengths of the head pulley and the tail pulley. The support frame is rotatably attached to the first pulley and the second pulley. The drive motor hung from a lower surface of the support frame in order for the drive pulley to be positioned at an approximately center portion in a width direction of the endless belt.

Abstract: The pulley device comprises first and second pulleys each provided with a set of sheaves. The two pulleys are designed to be respectively fixed to a fixed point and to a person to be rescued. A rope is fixed to one of the two pulleys and arranged in such a way that the first pulley moves towards the second pulley when a pull is exerted on the rope. An enclosure connects the first pulley to the second pulley and surrounds the path of the rope between the two pulleys. One end of the rope extends outwards from the enclosure to enable a pull to be exerted on the end of the rope.

Abstract: In accordance with one aspect, a cleaner for a conveyor belt is provided having a scraper blade for engaging a conveyor belt traveling in a downstream direction and a rigid fulcrum member extending laterally transverse to the downstream direction. The cleaner includes a blade mount member having an upper arm portion connected to the scraper blade, an intermediate portion spaced upstream from the rigid fulcrum member, and a lower arm portion extending from the intermediate portion, under the rigid fulcrum member, and downstream beyond the fulcrum member. The cleaner has a resilient support for the blade mount member configured to allow the blade mount member to resiliently rock about the rigid fulcrum member as the scraper blade is impacted during conveyor belt operations.

Abstract: An improved belt scraper assembly for belt conveyors includes one or more blade assemblies and one or more hinge assemblies mounted on either side of a supporting flexible member for facilitating twin blade cleaning. The one or blade assemblies are operatively connected to the hinge assembly, which is adapted to ensure limited rotational motion of said blade assembly.

Abstract: A reversible belt scraper has two opposed replaceable scraper blades and a central shaft. Each replaceable scraper blade has a scraping surface and a base opposite to the scraping surface. The body of the scraper blades from the scraping surface to the base is comprised of elastomeric material. The scraper blades have at least one bracket in their bases. In at least one embodiment, the scraper blades have a plurality of brackets in their bases. The brackets in the bases of the scraper blades attach to the central shaft. End mounts at the end of the central shaft provide a means to mount the reversible belt scraper. In at least one embodiment, the brackets in the replaceable scraper blades are formed in a manner to accommodate the other scraper blade and allow both scraper blades to be mounted in a single row of apertures in the central shaft.

Abstract: A drying device for bulk material, comprises a conveyor on which a first majority of perforated plates with location surfaces for the bulk material is guided along a rail comprising an upper rail section, a lower rail section and a first deflection rail section at an end, in which the perforated plates are deflected from the upper into the lower rail section, and a second deflection rail section at an opposite end in which the perforated plates are deflected from the lower into the upper rail section. A scraper device comprises one or more scraping elements arranged so that the location surface of a perforated plate moving along the first or second deflection rail section comes into contact with the scraping elements, and is cleaned by means of a relative movement between the scraping elements and the perforated plate.

Abstract: A feeder assembly for an agricultural harvester, including a first shaft, a second shaft opposite the first shaft, a chain extending around the first shaft and the second shaft, wherein the chain is configured to convey agricultural through the agricultural harvester, and a self-adjusting object deflector assembly positioned between the first shaft and the second shaft, wherein the self-adjusting object deflector assembly comprises a deflector biased against the chain and configured to block the agricultural material from interfering with a connection between the chain and the first shaft.

Abstract: In one aspect, a scraper blade for a conveyor belt is disclosed that provides improved strength and durability of a connection between a resilient blade body and an insert molded in situ with the blade body. The blade body has an upper portion with a scraping tip and a lower portion with a pair of laterally spaced depending leg portions. The insert has a pair of laterally spaced side wall portions with variable wall thicknesses and laterally outwardly facing sides that extend along laterally inwardly facing sides of the blade body leg portions. Each insert side wall portion and the blade body lower portion include a plurality of recesses having an undercut configuration and a plurality of projections extending laterally and filling the corresponding recesses in which the projections are received to keep the blade body and the insert connected together under loading during conveyor belt operations.

Abstract: A removable cartridge cleaner assembly is provided that has an insertion device for ease in installing an elongate cartridge assembly carrying belt cleaner assemblies onto an elongate support extending across a conveyor belt in an operative position thereon. In one form, an elongate lever handle pivotally connected to the elongate cartridge assembly can be used to generate a leveraged insertion force, preferably by an operator that does not need to reach into the operating envelope of the conveyor system, e.g. beyond tensioning mechanisms or under the belt. The handle and the cartridge assembly can have an over-center locking mechanism therebetween for providing the operator tactile feedback as to when pivoting of the lever handle has caused the cartridge assembly to be shifted to its operative position on the support.

Abstract: A V-plow belt cleaner has a cleaning element providing first and second opposing cleaning edges which can be flipped over so that the second cleaning edge is adjacent the conveyor belt; and reconnecting the V-plow belt cleaner to its mount. The flip-able V-plow belt cleaner may comprise: left and right arms defining an apex and providing a mounting interface for cleaning media; a front arm holder attached proximate the apex; a rear support bar attached proximate rearward ends of the arms for maintaining a spacing; one or more rear arm holders attached to the rear support bar; and two or more power arms for connecting to a V-plow mount, each power arm being pivotably connected to a front or rear arm holder and being mountable to positions both above and below the V-plow cleaner.

Abstract: A flight conveyor for conveying material includes a frame, drive and idler wheel(s) rotatably mounted on the frame, segments for supporting the material, shafts for pivotally interconnecting the segments to an endless row which has an upper row and a lower row running, during operation, over the drive and idler wheel(s) and a number of conveyor flights for bringing the material along in the conveying direction. A scraper is arranged at the drive wheel for successively scraping off adhered material from segments and flights such that the conveyor can be used for conveying products tending to adhere to the surfaces of the segments and the flights since the adhered products are automatically removed by the scraper.

Abstract: An arrangement for stripping material from the lower run of the conveyor belt includes scrapers divided into groups, arranged over the width of the conveyor belt and lying resiliently elastically against the underside of the lower run. The scrapers are arranged obliquely to the direction of travel of the lower run. The scrapers of a first group are oriented angled relative to the scrapers of an adjacent second group. The arrangement provides for each scraper to be supported at least indirectly on the supporting frame of the belt conveyor via at least two wound leg springs. Each respective leg spring is connected by its upper end to a front or rear end portion of the scraper, and is connected rotatably by its lower end to a transverse strut of a supporting frame.

Abstract: A cleaning device configured to clean an outer surface of a conveyor belt on a conveyor belt system is disclosed. The cleaning device can include a fluid dispensing device configured to dispense cleaning fluid to the outer surface of the conveyor belt. A wiping device is provided to remove excess cleaning fluid. A protective cover is provided that substantially covers at least the fluid dispensing device. Fastener mounts are provided to allow attachment of the cleaning device on top of the conveyer system.

Abstract: A snap-fit scraper blade is provided for being snap-fit onto a mounting pole. The scraper blade has a blade body including an upper scraping portion and a lower mounting portion. The lower mounting portion has depending legs with inner surfaces that are configured for snap-fitting the scraper blade body onto a square mounting pole.

Abstract: Conveying systems and method for detecting the presence and amount of biological contaminants or additives on a conveyor belt. The conveyor system includes a conveyor belt having embedded biosensors. Transmitters co-located in the belt with the biosensors transmit biosensor signals to a remote controller. The remote controller allows remote monitoring of the contamination level on the conveyor belt.

Abstract: A replaceable conveyor scraping blade has a blade body extending lengthwise along a longitudinal axis. The blade body is produced from a material having a flexible, elastic quality. The blade body comprises a base portion, and intermediate portion, and a terminal end. The base portion is attachable to a tensioning device for biasing the blade body against a conveyor belt. The intermediate portion is generally arcuate and comprises a leading surface and a trailing surface. The leading surface extends upwardly relative to the base portion. The trailing surface is opposite the leading surface. It also extends upwardly relative to the base portion and has a scalloped surface when viewed in cross-section extending lengthwise along the longitudinal axis. The terminal end has a scraping surface separating an uppermost portion of the trailing surface from an uppermost portion of the leading surface.

Abstract: A product removal method that includes providing a blade adjacent a conveyor belt along a path of the conveyor belt and operating the conveyor belt. A product removal system that has a rod oriented generally parallel to a conveyor drum is disclosed. A frame is rotatably carried by the rod and has a first portion extending adjacent a conveyor belt curved path and a second portion extending adjacent a return plane of the conveyor belt. A blade is adjacent the first portion. A product removal system for an oven is disclosed that has scraper assemblies rotationally biased about an axis of rotation.

Abstract: A conveyor belt scraper includes a non-linear scraping edge for directing product towards the center of the scraper. The non-linear scraping edge comprises two obliquely extending portions that intersect at an obtuse angle to define a nadir of a channel. The non-linear scraping edge is formed at the top end of a curved inner surface that abuts a conveyor belt wrapped around a reversing element. Channeling surfaces are formed between the non-linear scraping edge and an outer surface of the scraper. The scraping edge and channeling surfaces direct product away from the conveyor belt and over the outer surface of the scraper.

Abstract: An ink jet printer includes a cleaning blade that cleans the surface of a transport belt that attracts a sheet of recording paper by electrostatic adsorption and transports the attracted recording paper, and a pressing roller. The width of the cleaning blade is smaller than the width of the pressing roller that is located downstream of the cleaning blade, and thus, ink, paper dust, and the like that have escapes from both ends of the cleaning blade to the outside and have not been wiped off are caught by the pressing roller.

Abstract: A liquid discharging apparatus includes a transporting endless belt, a discharging head and a cleaning mechanism. The transporting endless belt has an adhesive support surface, and configured and arranged to intermittently transport a medium by supporting the medium on the adhesive support surface. The discharging head is configured and arranged to discharge a liquid onto the medium supported by the transporting endless belt. The cleaning mechanism has a cleaning roller configured and arranged to clean the transporting endless belt by coming into contact with the transporting endless belt. When a total length of the transporting endless belt is L1, an intermittent transport distance of the transporting endless belt is L2, and a contact length of the cleaning roller with the transporting endless belt in a transport direction is L3, L3 is longer than L2, and L1 is a non-integer multiple of L2.

Abstract: A device including a supporting structure, at least one scraping member upwardly and downwardly delimited by upstream and downstream sides, and an elastic material that is overmolded on the scraping member and connecting the scraping member to the supporting structure, the upstream side of the scraping member being covered with the overmolded elastic material.

Abstract: A flight conveyor for conveying material includes a frame, drive and idler wheel(s) rotatably mounted on the frame, segments for supporting the material, shafts for pivotally interconnecting the segments to an endless row which has an upper row and a lower row running, during operation, over the drive and idler wheel(s) and a number of conveyor flights for bringing the material along in the conveying direction. A scraper is arranged at the drive wheel for successively scraping off adhered material from segments and flights such that the conveyor can be used for conveying products tending to adhere to the surfaces of the segments and the flights since the adhered products are automatically removed by the scraper.

Abstract: A reversible belt scraper has two opposed replaceable scraper blades and a central shaft. Each replaceable scraper blade has a scraping surface and a base opposite to the scraping surface. The body of the scraper blades from the scraping surface to the base is comprised of elastomeric material. The scraper blades have at least one bracket in their bases. In at least one embodiment, the scraper blades have a plurality of brackets in their bases. The brackets in the bases of the scraper blades attach to the central shaft. End mounts at the end of the central shaft provide a means to mount the reversible belt scraper. In at least one embodiment, the brackets in the replaceable scraper blades are formed in a manner to accommodate the other scraper blade and allow both scraper blades to be mounted in a single row of apertures in the central shaft.

Abstract: A belt unit includes: a belt member; a belt supporting unit including a plurality of supporting rollers for supporting the belt member, and a pair of side units for supporting end portions of each of the plurality of supporting rollers; and a cleaning unit, including a cleaning blade for cleaning the belt member, detachably mountable to the belt supporting unit. The cleaning unit includes a connecting portion connectable to one of the side units so that the belt supporting unit from which the cleaning unit is demounted is placed in a standing state such that the one of the side units is directed downward and the other side unit is directed upward.

Abstract: A removable cartridge cleaner assembly is provided that has an insertion device for ease in installing an elongate cartridge assembly carrying belt cleaner assemblies onto an elongate support extending across a conveyor belt in an operative position thereon. In one form, an elongate lever handle pivotally connected to the elongate cartridge assembly can be used to generate a leveraged insertion force, preferably by an operator that does not need to reach into the operating envelope of the conveyor system, e.g. beyond tensioning mechanisms or under the belt. The handle and the cartridge assembly can have an over center locking mechanism therebetween for providing the operator tactile feedback as to when pivoting of the lever handle has caused the cartridge assembly to be shifted to its operative position on the support.

Abstract: A device for cleaning a conveyor belt soiled with fluid substances, and in particular for machines used for spraying paint or other products, is disclosed. The conveyor belt has an upper section and a lower return section comprising a (a) reverse roller in contact with the return section of the belt to collect the fluid substances on the belt; (b) doctor blade for scraping the fluid substances collected from the reverse roller; (c) at least one secondary belt conveyor mounted on a pair of supporting rollers and disposed beneath the doctor blade for collecting the fluid substances from the doctor blade and for conveying the fluid substances toward one end of said secondary belt conveyor; and (d) means at the end of the secondary belt conveyor for scraping the fluid substances from the secondary belt conveyor and for conveying the substances to a final collection and/or recycling means.

Abstract: A conveyor belt scraper includes a non-linear scraping edge for directing product towards the center of the scraper. The non-linear scraping edge comprises two obliquely extending portions that intersect at an obtuse angle to define a nadir of a channel. The non-linear scraping edge is formed at the top end of a curved inner surface that abuts a conveyor belt wrapped around a reversing element. Channeling surfaces are formed between the non-linear scraping edge and an outer surface of the scraper. The scraping edge and channeling surfaces direct product away from the conveyor belt and over the outer surface of the scraper.

Abstract: An improved conveyor belt assembly is provided with telescoping housing sections and a tension system for extending and retracting the sections relative to one another to maintain a selected tension on the conveyor belt. The assembly also has a lower end with a stepped profile matching the stepped profile of the cleated belt, so as to pick up and discharge fallen seeds or material and eliminate gaps where fallen seeds and material may collect. One or more scrapers are provided adjacent the lower track of the belt to push stray seeds and material off the lower track for pick up by the cleated belt at the lower end of the assembly.

Abstract: A belt cleaner includes one or more cleaner unit (6) which has a support plate (8) providing a scraping portion (7), an upper resilient block (9), and a lower resilient block (10), wherein said support plate (8) is supported by said upper resilient block (9) to be held in a forward leaning posture to make the scraping portion oppose to the belt running direction (X) so that the support plate (8) may be shifted to an upright posture by deformation of the upper resilient block (9), and wherein said lower resilient block (10) may deform resiliently to move said upper resilient block (9) including the scraping portion (7) upon application of pushing forces, such as bumping shocks or the like thereto so that shocks may be absorbed.

Abstract: An improved bulk material conveyor belt scraper comprises a skirt that shields mounting surfaces from the bulk material dust. By shielding the mounting surfaces from bulk material dust, such dust does not interfere with the replacement of the scraper blade. The belt scraper also comprises an improved securing mechanism for attaching belt scrapers to belt scraper mounts. The improved securing mechanism comprises pegs that have an elongate transverse cross-section that more evenly distributes bearing loads between the belt scrapers and their respective mounts. This eliminates local yielding that can cause belt scrapers to become loose over time.

Abstract: A reversible belt scraper blade provides two opposed scraping surfaces on an integrally constructed body. Each scraping surface has an elastomeric wear region transitioning to an elastomeric central region. Two integral frame members are integrally joined into the central region. Each integral frame member runs the length of the belt scraper blade and is at least partially exposed at their ends. End mounts attach to the exposed integral frame members and the reversible belt scraper blade is reversible about the end mounts. The wear regions may have sub-regions of different hardness to provide good scraping qualities combined with improved structural rigidity. The central region may also have sub-regions of different hardness to improve structural rigidity.

Abstract: A cleaning assembly for a conveyor belt includes a first blade assembly, a second blade assembly, and a coupling mechanism supporting the first and second blade assemblies. The first blade assembly includes a first blade positionable into contact against a conveyor belt adjacent a turn portion of the belt. The second blade assembly includes a second blade positionable into contact against the belt downstream from the first blade.

Abstract: A device for stripping material from a conveyor belt of a belt conveyor in the area of a curve of a discharge drum below a discharge location of the belt conveyor, comprising a stripping body provided with a carrying element through which the stripping body is pulled or pullable against the conveyor belt, wherein the stripping body is further provided with a lift-off element which is disposed in the stripping body and offset from the carrying element and supports the stripping body when the latter is displaced in the belt running direction. The stripping body may include a plurality of stripping elements which define stripping edges and which have improved wear resistance compared to a material of the stripping body, wherein the stripping elements are configured and/or arranged, so that the stripping edges of adjacent stripping elements overlap partially overlap.