Abstract: An apparatus is provided for cutting pieces from laminar material wound in coil using a laser or plasma cutting machine. In one apparatus according to the invention, a cutting station includes at least one moveable cutting head arranged between the station's entrance and exit, and a means to position a portion of laminar material on a cutting plane. The positioning means includes three separate locking devices, each of which can lock on a portion of the laminar material as it passes through the cutting station. The three locking devices are arranged in succession: the first near the cutting station's entrance, the second near the exit, and the third between the first and second locking devices. At least the third locking device is movable, in the space between the other two devices, along a portion of laminar material while the material is kept under tension.

Abstract: In a turn-up method for a reel-up for reeling of fiber webs, a web travelling in direction (S) is cut by two water jet nozzles moving in a transverse direction in relation to the web travelling direction (S). Two cuts (C1, C2) are formed by two water jet nozzles starting from the edges of the web (W) and moving to the web center where the cuts (C1, C2) cross or meet forming a V-shaped tail end (V1). After the cuts the movement of the water jet nozzles is stopped and after the return movement of the water jet nozzles, cutting is started again from the center toward the edges so that the web W is cut by two cuts (C3, C4) and a substantially V-shaped beginning end (V2) to the web W is formed and between the cuts (C1, C2) for the tail end (V1) and the cuts (C3, C4) for the beginning end (V2) there is formed one web reject part (R) with two substantially V-shaped cuts.

Abstract: The sheet manufacturing apparatus includes an accumulation unit that accumulates a material containing a fiber and a resin; a heating unit that includes a first rotating body and a second rotating body and heats a sediment accumulated by the accumulation unit; a displacement mechanism that displaces the heating unit to a first position where the first rotating body and second rotating body nip and heat the sediment and a second position where the first rotating body and the second rotating body are separated from each other; and a controller that displaces the first rotating body and the second rotating body to the first position after heating the first rotating body and the second rotating body in the second position.

Abstract: A method for selectively feeding rolls of paper coming out of a log saw unit (10), wherein the log saw unit (10) comprises (n) feeding channels (12) for feeding logs (11) towards a cutting device (13) provided at the outlet with (n) unloading belts (14) in a number equal to the feeding channels (12), comprises a step of generating a stop signal relating to a portion of a packaging unit downstream of the log saw unit (10) further to the detection of accumulation of rolls (11?) and/or of stopping of a packaging machine, as well as a step of attributing said stop signal to a feeding channel/sub-group of feeding channels (12) operatively associated with the portion of the packaging unit, called “feeding channels/sub-groups of feeding channels (12) subject to stopping”, wherein the method—upon receipt of the stop signal—comprises at least the steps of: ending the cutting of the log (11) in progress on all of the (n) feeding channels (12) of the log saw unit (10), selectively stopping the forward movement of a n

Abstract: In accordance with one embodiment, a paper processing apparatus comprises a perforation unit configured to include a rotary blade for perforating conveyed paper in a direction parallel to a conveyance direction and be capable of moving the rotary blade in a direction orthogonal to a conveyance path of the paper; a skew detection section configured at the upstream side of the perforation unit to detect the skew of the paper; a skew correction mechanism configured to incline the perforation unit and the rotary blade according to the detected skew amount of the paper; and a control section configured to control the position of the rotary blade and move the rotary blade to a perforation processing position before the paper is conveyed to the perforation unit.

Abstract: A sheet conveying device includes a belt arranged to carry sheets from an upstream end to a downstream end of a transport path, the belt having an array of perforations; and an array of suction nozzles arranged below the belt for sucking-in ambient air through the perforations of the belt. At least one blow nozzle is arranged at the downstream end of the transport path for blowing out a gas through the perforations of the belt. The downstream end of the transport path is defined by a deflection roller. A plurality of blow nozzles are formed by circumferential grooves in the peripheral surface of the deflection roller.

Abstract: A sheet manufacturing apparatus includes a web forming unit configured to form a web that includes fibers and a resin, a transferring unit configured to transfer the web that has been formed, a first cutting unit configured to cut the web in a direction intersecting with a transfer direction of the web being transferred, and a heating unit having a first roller configured to heat the web that has been cut.

Abstract: The disclosure relates to a method for trimming unwanted edges from a moving paper web. The disclosure also relates to the trimming of unwanted edges while the web is traveling on a structured papermaking fabric. The method uses a water nozzle having a diameter of 0.02? or less. The method also includes the removal of the unwanted edge trimmings to a trim chute through the use of moving air, for example, an air knife. The disclosure also relates to an edge trimming apparatus.

Abstract: A system for manufacturing pluralities of consecutive sheets bearing successively varying arrangements of design features is disclosed. The system may include a pattern imparting roller having a substantially cylindrical acting surface reflecting features of a design pattern thereon, the design pattern having a machine direction repeat length; and a separating mechanism disposed downstream of the pattern imparting roller, configured to effect repeated and spaced cutting, perforating or scoring along separation lines, between portions of a material web, the separation lines being spaced apart on the web by sheet length measured along the machine direction. The sheet length is less than the design pattern repeat length.

Abstract: In a processing machine including a processor having a processing blade and a receiver having a reception member and in which a blade edge of the processing blade and a reception portion, of the reception member, engage with each other to process a paper sheet therebetween, the processing blade is one processing blade selected from a blade group and is attached to the processor so as to be changeable to another processing blade of the blade group, reception portions of kinds corresponding to a plurality of kinds of the processing blades of the blade group are formed on the reception member, and the processing blade attached to the processor is positioned so as to be in a position where the blade edge is engageable with the reception portion of the corresponding kind.

Abstract: The disclosure relates to a method for trimming unwanted edges from a moving paper web. The disclosure also relates to the trimming of unwanted edges while the web is traveling on a structured papermaking fabric. The method uses a water nozzle having a diameter of 0.02? or less. The method also includes the removal of the unwanted edge trimmings to a trim chute through the use of moving air, for example, an air knife. The disclosure also relates to an edge trimming apparatus.

Abstract: In a processing machine including a processor having a processing blade and a receiver having a reception member and in which a blade edge of the processing blade and a reception portion, of the reception member, engage with each other to process a paper sheet therebetween, the processing blade is one processing blade selected from a blade group and is attached to the processor so as to be changeable to another processing blade of the blade group, reception portions of kinds corresponding to a plurality of kinds of the processing blades of the blade group are formed on the reception member, and the processing blade attached to the processor is positioned so as to be in a position where the blade edge is engageable with the reception portion of the corresponding kind.

Abstract: A web turn-up cutting method and apparatus for severing a continuous web that is traveling in a travel direction. The apparatus comprising a first water nozzle and a second water nozzle that are mountable on respective nozzle carriages and transversely movable. The apparatus further comprising a water jet controller adapted to activate a water supply of the first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles being adapted to define together a substantially X-shaped cut on the traveling continuous web. The substantially X-shaped cut defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing. A method of manufacturing paper in a papermaking machine.

Abstract: There is provided a slitting-material slitting apparatus including: a rotatable male blade; a female blade that is provided below the male blade; and a wrap section that wraps a slitting-material around the female blade such that the slitting-material makes contact with the female blade on a coated layer side of the slitting-material configured by a support body with a coating layer on the support body harder than the support body; wherein the relative position of the male blade and the female blade are determined such that the male blade slits the slitting-material in a state in which the coating layer is wrapped against the female blade by the wrap section and in contact with the female blade.

Abstract: An apparatuses is disclosed that forms selected perforation designs and patterns. The perforation designs and patterns can be formed in linear or nonlinear fashion, can extend in the cross direction or the machine direction and can be formed to complement or match an embossed or printed design on the web. The perforation designs and patterns can be formed utilizing various mechanical perforating techniques.

Abstract: In a paper production machine, trim is cut at a trim station located near a final reel with a trim handling duct leading into a recycling pulper. The trim is propelled into the pulper using an air jet without using a source of vacuum in the duct. A linear air jet for propelling trim in a trim duct is also disclosed.

Abstract: A web turn-up cutting method and apparatus for severing a continuous web that is traveling in a travel direction. The apparatus comprising a first water nozzle and a second water nozzle that are mountable on respective nozzle carriages and transversely movable. The apparatus further comprising a water jet controller adapted to activate a water supply of the first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles being adapted to define together a substantially X-shaped cut on the traveling continuous web. The substantially X-shaped cut defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing. A method of manufacturing paper in a papermaking machine.

Abstract: A method and apparatus for producing sheets from the pseudostems of banana plants in the family Musaceae, each pseudostem having a longitudinal axis. The method includes the steps of feeding a pseudostem (14) into a workstation, supporting (62, 34) the pseudostem for rotation thereof about its longitudinal axis within the workstation, and contacting the rotating pseudostem along substantially its entire length with a fiber-separating device (38), whereby a continuous sheet of fiber (60) is removed from the pseudostem by the fiber-separating device during rotation. Raw paper may also be made by laminating two or more of these sheets together such that the direction of the generally parallel fibers in at least two adjacent sheets is not aligned and then curing the sheets to form raw paper.

Abstract: The invention relates to a method for the production of a web of tissue paper, including the steps of: depositing a layer of an aqueous suspension of papermaking fibers on at least one forming fabric; reducing the water content of the layer until the weight percentage of fiber in the layer is brought up to a first value; wet-embossing the layer in a nip between a pair of embossing rollers; and drying the layer to form a web of tissue paper.

Abstract: An apparatuses is disclosed that forms selected perforation designs and patterns. The perforation designs and patterns can be formed in linear or nonlinear fashion, can extend in the cross direction or the machine direction and can be formed to complement or match an embossed or printed design on the web. The perforation designs and patterns can be formed utilizing various mechanical perforating techniques.

Abstract: A method and apparatus for producing sheets from the pseudostems of banana plants in the family Musaceae, each pseudostem having a longitudinal axis. The method includes the steps of feeding a pseudostem (14) into a workstation, supporting (62, 34) the pseudostem for rotation thereof about its longitudinal axis within the workstation, and contacting the rotating pseudostem along substantially its entire length with a fibre-separating device (38), whereby a continuous sheet of fibre (60) is removed from the pseudostem by the fibre-separating device during rotation. Raw paper may also be made by laminating two or more of these sheets together such that the direction of the generally parallel fibres in at least two adjacent sheets is not aligned and then curing the sheets to form raw paper.

Abstract: Creping and cutting procedure and equipment, for paper manufacture which consists of a creping doctor (1) carrying a blade (2) which carries out the creping; a support plate (12) which can pivot on a pivot shaft (5) in the geometrical center of which the creping blade (2) works; primary means of actuation (3) which through the support plate (12) cause the rotation of the creping doctor (1) on a pivot shaft (4); and secondary means of actuation of variation of angle (6) which act on the support plate (12) and cause its rotation on a pivot shaft (5) ; in such a way that it is possible, with only two doctors (1), (7) to carry out the maneuvers of creping, blade changing, cutting and cleaning.

Abstract: A method for producing an article made of a web material, comprising at least one ply, wherein a superabsorbent material in powder form is associated with said ply.

Abstract: An embossing system for embossing and perforating at least a portion of a web is provided comprising a first embossing roll having embossing elements and at least a second embossing roll having embossing elements, wherein the elements of the first and second embossing rolls define perforate nips for embossing and perforating the web and wherein at least a predominate number of the perforate nips are substantially oriented in the cross-machine direction. Moreover, substantially all of the nips defined by the embossing elements of the first and second embossing rolls can be substantially oriented in the cross-machine direction. Further, the cross-machine embossing elements are at an angle of about 85° to 95° from the machine direction.

Abstract: A paper machine for continuous production of paper in a paper web (4) is described. The paper machine comprises a plurality of drivable rolls (5) for control of the paper web (4) and a translation device for moving a means essentially perpendicular to the paper web (4), which translation device comprises a motor, a holder for the means (16), and an attachment device (17), a first arm (18), being arranged on the attachment device (17) turnable around a first axis (23) of rotation and arranged to be turned by the motor (15), and a second arm (19), being arranged turnable around a second axis (28) of rotation, at a distance from the first axis (23) of rotation, mechanically coupled to the first arm (18). The holder (16) and the mechanical couplings are arranged in such a way that the rotation of the first arm (18) by the motor (15) results in an essentially linear movement of the holder (16).

Abstract: Guiding and cutting apparatus for use in a paper converting and sheet inserting apparatus. Guiding apparatus includes first and second rollers for engaging lateral edges of a web and a driving apparatus configured to permit the rollers to rotate at different surface speeds relative to one another. Cutting apparatus includes an angled blade for transversely cutting each side-by-side portion of a slit web into discrete sheets. Two side-by-side sheets are cut from respective web portions separately in time. Method, blade apparatus, web brake and slitter apparatus are disclosed.

Abstract: A method and apparatus for producing sheets from the pseudostems of banana plants in the family Musaceae, each pseudostem having a longitudinal axis. The method includes the steps of feeding a pseudostem (14) into a workstation, supporting (62, 34) the pseudostem for rotation thereof about its longitudinal axis within the workstation, and contacting the rotating pseudostem along substantially its entire length with a fibre-separating device (38), whereby a continuous sheet of fibre (60) is removed from the pseudostem by the fibre-separating device during rotation. Raw paper may also be made by laminating two or more of these sheets together such that the direction of the generally parallel fibres in at least two adjacent sheets is not aligned and then curing the sheets to form raw paper.

Abstract: Machine for producing a web includes a system for predefining a quantity of a grade to be produced utilizing a measuring arrangement for measuring quality data during production of the web. The system defines the quantity of the grade to be produced by using data measured by the measuring arrangement during the production of the web.

Abstract: A retaining and adjusting device is provided for displaceable furniture parts, in particular for a leaf that is hinged so that it can pivot horizontally on an item of furniture, e.g. for a leaf of an upper cupboard. The device includes at least one control lever, whose length can be adjusted and which can be hinged on the part, the length of the control level and/or the position of the bearing point of the control lever being adjustable when the furniture part is closed.

Abstract: Equipment for leading a web threading tail in a paper machine has at least two sequential surfaces (11) in the direction of travel of the web threading tail (10), between which a nozzle (12) is arranged to form a directed air blast and thus to transport the web threading tail (10). The equipment has an element (13) in which an exhaust zone (20) is arranged in the surface (11) before the nozzle (12) in the direction of travel of the web threading tail (10), for leading air away from the element (13) between the web threading tail (10) and the surface (11).

Abstract: A method for threading a running paper web from a preceding section to a following section of a paper-making or paper-finishing machine, includes the steps of: providing a threading tail of the running paper web by cutting it from the running paper web at least one of its edges; providing at least one sensing element for gaining data from at least one property of the threading tail and/or threading process; transferring the gained data into a data collecting system and/or into an analysis system; and using the data for influencing the at least one property of the threading tail and/or the threading process.

Abstract: An arrangement in the on-line finishing of a paper machine, which includes at least one finishing stage (12, 13) for the paper web produced, has cutting equipment (16) for forming the tail as well as tail threading equipment (15) for carrying the tail through the finishing stage (12, 13). At the end of the finishing stage (12, 13) there is a draw point (24), through which a carrier rope system (17) included in the tail threading equipment (15) is adapted to pass. The draw point (24) is formed between one cylinder (28) and a wire (29) arranged in contact with it for forming a single-contact draw point.

Abstract: A method for forming plate-like ceramic articles, comprising at least one step for deposition by pouring of at least one layer of a ceramic mixture that comprises an aqueous vehicle on a substantially absorbent transfer surface adapted to draw the aqueous vehicle, at least one step for drying so as to obtain a continuous material strand, and a cutting step for cutting the strand into a plurality of ceramic articles. An apparatus for performing the method comprising a framework for supporting an absorbent transfer surface, at least one unit for depositing at least one mixture layer onto the surface, at least one drying unit for at least partial drying of the mixture layer to obtain a continuous strand of plastic ceramic material, and a cutting unit.

Abstract: A water jet cutter for separation of a trim strip from a moving paper, cardboard, tissue or other type of fiber web, in a machine for the production and/or conversion of the fiber web, including at least one nozzle whose water jet is directed onto the fiber web. An advantage of the present invention is to simplify the construction of the device while maintaining at least equal operational reliability, and to enable installation above a pulper in order to eliminate the necessity for removal and extraction systems.

Abstract: The invention relates to an arrangement for threading a pulp web (W) from the press section (1) of a pulp machine to the dryer (2) of the pulp machine. The arrangement comprises a closing tail threading belt (3) or the like, which is arranged to convey the narrow tail end (Wh) formed on the pulp web (W) inside the dryer (2), where the tail threading cord travels outside the edge of the normal web line of the pulp web. The tail end (Wh) can subsequently be broadened into a normal-width pulp web (W). The arrangement further comprises means (7) for gripping the tail end (Wh) in order to bring the tail end inside/between a closing tail threading cord (3) or the like, whereby the gripping means (7) are arranged to function at the normal running speed of the pulp machine.

Abstract: An arrangement in tail threading in a multinip calender of a paper machine comprises rolls that form nips, extraction rolls as well as tail threading apparatus for guiding the tail to be transferred during tail threading through the multinip calender. The arrangement includes a holding point adapted prior to the last nip and a cutting device. The arrangement further includes a support device adapted at the holding point for supporting the tail during cutting.

Abstract: The invention relates to a device for detaching a paper web 9 from a wire 4, where the pulp suspension is fed in between a wire 4 and a felt 5 by a headbox 2, the wire 4 and felt 5 are guided together over a forming roll 3, and are separated from one another after the web 9 has formed. It is especially characterised by the separation point 10 of wire 4 and felt 5 being located at a distance from the forming roll 3.

Abstract: An apparatus is available for transferring a flexible material web from an upstream section to at least one downstream section of a machine having a web running direction. The machine is configured for at least one of manufacturing and treating the material web. The apparatus includes two separation elements configured for splitting and thereby separating the material web into an edge strip, an adjoining transfer strip and a remaining web adjoining the transfer strip, the edge strip extending in the web running direction. The apparatus further includes at least one deflection device configured for deflecting the edge strip away from the transfer strip and simultaneously tautening the edge strip upon deflection thereof.

Abstract: A method and equipment for tail threading in a paper machine in which tail threading is carried out in stages: the web is guided to the broke treatment at a selected dryer, a cut is formed in the web to separate a narrow tail from the rest of the web, i.e. the broke web, prior to the dryer, the edge opposite to the cut of the broke web is turned away from the cutting point to form an open draw between the tail and the broke web, the tail is guided from the selected dryer to the following section while the broke web is transferred further to the broke treatment, while travelling in a controlled manner, the tail is widened to the full width and the broke web is simultaneously reduced away.

Abstract: An apparatus transfers a moving web of a flexible material from a web guide surface. The web guide surface outputs the moving web, and the moving web has at least one web edge. The apparatus includes at least one edge nozzle, each edge nozzle being positioned so as to be proximate one at least one web edge. Each edge nozzle is configured for separating the moving web from the web guide surface and is further configured to function as a severing device. Each edge nozzle is thereby configured for transversely severing the moving web and forming a new start portion thereof. Each edge nozzle briefly ejects therefrom a high-energy air jet, each high-energy air jet being ejected between the web guide surface and the moving web.

Abstract: A method and apparatus in ropeless tail threading in a multi-roll calender is disclosed wherein the threading tail is guided through the multi-roll calender in such a way that, before the multi-roll calender, the threading tail is guided first of all to the broke processing and then cut when the tail threading begins. The tail threading takes place in stages, so that at least once during the tail threading the threading tail in connection with the multi-roll calender is guided to broke processing and cut, after which the tail threading is continued, once the previous stage has succeeded.

Abstract: A method and an apparatus for web threading in a drying section of a paper machine or the like. A leader (24) and a so called run-down strip are formed by cutting in the web coming to the drying cylinder in the drying section. An underpressure box (18) is arranged at the opening gap between the drying cylinder (14) and the drying wire, on that side of the wire which is away from the web, whereby this box can direct against the web an underpressure which is controllable in the machine's cross direction. The underpressure box creates an underpressure region (34?) between the leader and the underpressure box, the region having an underpressure p1 at the detachment point, i.e. in the area where the wire is detached from said drying cylinder (14), which underpressure is sufficient to detach the leader from said drying cylinder.

Abstract: The invention concerns a method and a device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web. In the event of disturbance, the web (P) is made to be wound in a controlled way around at least one web guide roll (18a).

Abstract: A trim hold down box apparatus is disclosed for assisting in the separation of trim cut from an edge of a sheet by a cutter prior to the sheet being transferred from a forming wire of a forming section to a press section of a paper making machine. The apparatus includes a frame which is adjustably secured to the former and is disposed downstream relative to the cutter. A box cradle is secured to the frame and a trim box is movably connected to the box cradle such that floating of the trim box with the forming wire is permitted. The arrangement is such that the forming wire is disposed between the trim and the trim box. A biasing arrangement extends between the trim box and the box cradle so that biasing of the trim box relative to the forming wire is permitted. The trim box has a first and a second end and the first end of the trim box is connected to a source of partial vacuum. The second end of the trim box cooperates with the forming wire and is disposed in a vicinity of the trim.

Abstract: Tear-off device for sections (46) of a continuous material (18) with a pullout mechanism (10) for the transport of the continuous material (18) and with a tear-off mechanism (12), which has at least two pressure-applying elements (24, 26, 70), which are disposed on two opposite sides of the continuous material (18) and of which at least one can be positioned against the continuous material (18) by means of a positioning device, with the positioning device having at least one motor (42; 49; 60) and a control device (43) for the temporal control of the motor (42; 49; 60), with which the pressure-applying elements (24; 26; 70) can be positioned at a controllable point in time.

Abstract: An arrangement of high-pressure water devices in a paper machine including two or more consecutive sub-totalities for making paper is disclosed and includes pump devices for producing high-pressure water, high-pressure water operating devices located in a sub-totality, arranged in various consumption points, and connections to lead high-pressure water from the pump devices to the operating devices. The pump devices include at least one pump unit, from which connections are arranged to various consumption points, which belong to two or more consecutive sub-totalities. A method for arranging a high-pressure water device in a paper machine is also disclosed.

Abstract: In the manufacture of a paper or board web (W), the web is slit or cut, the rising/lowering (H) of the edges of a slit/cut gap (C) formed at the slitting/cutting point or the width (L) of the gap is measured by means of a measurement device (21A; 21B; 21C), and the curl of the paper or board web (W) is regulated based on the result of measurement. A paper or board machine line has means for regulating curl in the web (W); means for slitting or cutting the paper or board web and for measuring the rising/lowering (H) of the edges of a slit/cut gap (C) formed at the slitting/cutting point or the width (L) of the slit/cut gap (C) in connection with the manufacture of the web (W) in order to regulate the curl of the web (W) based on the result of measurement.

Abstract: A machine for the manufacture or treatment of a material web, in particular of a paper or cardboard web, including a rope guide for the threading of a marginal web strip. The rope guide has two endless ropes which can be brought together to form a rope nip and whose run course can be correspondingly changed for the positioning of the rope nip in a threading position within a plane extending in the machine running direction and perpendicular to the material web.

Abstract: A paper machine for manufacturing a fiber web traveling in a machine direction and having a tail includes at least one rope defining a rope nip. A threading arm assembly is positioned in association with the rope nip. The threading arm includes a frame and a diverter carried by the frame. The diverter is movable to divert the tail in a direction transverse to the machine direction toward the rope nip.

Abstract: A method and an arrangement in tail threading in a paper machine, in which the paper web is dried in production by means of a plurality of dryer groups consisting of a dryer section, and in which tail threading the threading tail is cut, taken as wetted to the finishing device, and spread to its full width for production, and in which method, before the threading tail is take to the finishing device, the dryer section is kept in the settings of production operation or is set to otherwise correspond to production, except that a wetting process is started, in which the web is wetted at the full width for the duration of the tail threading, essentially before its cutting, to achieve an even moisturizing effect, and the wetting process is stopped after web is being spread.