CN102300795B - Device for cutting fibrous web - Google Patents
Device for cutting fibrous web Download PDFInfo
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- CN102300795B CN102300795B CN201080005904.3A CN201080005904A CN102300795B CN 102300795 B CN102300795 B CN 102300795B CN 201080005904 A CN201080005904 A CN 201080005904A CN 102300795 B CN102300795 B CN 102300795B
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- Prior art keywords
- pipeline
- bracket
- nozzle
- guiding groove
- pressure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
- B65H19/265—Cutting-off the web running to the wound web roll using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5153—Details of cutting means
- B65H2301/51534—Water jet
Abstract
A device for cutting a fibrous web by a pressurized medium, comprising: - a beam that is arranged essentially transversally to the direction of travel of the fibrous web; - a carriage that is adapted to move, to which a nozzle for cutting the fibrous web is attached; - a line (4) for conveying the pressurized medium to the nozzle the first end of the line (4) being adapted to be connected to a pressure feed and the second end of the line (4) being adapted to move in connection with the carriage. The device is characterized in further comprising a guide trough (13) for forming the guide of the line (4), that the line (4) is adapted to move in the guide trough as an essentially U-shape loop, when the distance between the first end and the second end changes according to the position of the carriage, and that the movement of the line is arranged to be provided by the movement of the carriage fitted in a linear module.
Description
Technical field
The present invention relates to a kind of device using associatedly with fiber web machine, paper machine and lap machine, be in particular for passing through the device of pressure medium cutting fibre web.Particularly, the present invention relates to a kind of device of pressure medium cutting fibre web that passes through, this device comprises:
Beam, its be substantially arranged on fiber web direct of travel laterally;
Bracket, it is suitable for mobile, and the nozzle of cutting fibre web is attached to this bracket;
Pipeline (line), it is for pressure medium is guided to nozzle, and the first end of pipeline is suitable for being connected to pressure feed portion, and it is mobile that the second end of pipeline is suitable for associated brace.
Background technology
Casper has described a kind of simple technique with the EP 1022381 (corresponding patent US 6135000 and priority application CA 2260290 thereof) of Hilker, and this can think the description the properest to prior art.Therefore,, during the machine rolls of the reeler in changing paper machine, knownly by special device, utilize water jet cutting fibre web.This device is included on guide rod mobile at least one, preferred two brackets, and comprises nozzle; Nozzle moves together with bracket, for launching water jet, cuts mobile fiber web.Except moving nozzle, this device also comprises mobile flexible pipe wheel, its objective is directly the transporting of high pressure hose that keeps leading to nozzle during bracket rapid movement.Longitudinal supply unit of flexible pipe is connected to the running gear of bracket simultaneously, and all can control supply during cutting and return movement.
In addition, the patent US 5782426 of Kinnunen and Mikkonen discloses the method and apparatus that cuts moving web by the reeler of paper machine.
Summary of the invention
The object of the invention is to reduce or or even eliminate the problems of the prior art that occur in above-mentioned publication.
Except other objects, to achieve these goals, apparatus according to the invention be characterized in that, also comprise the guiding groove (guide trough) for forming the guiding piece of pipeline, when the distance between first end and the second end changes according to the position of bracket, pipeline is suitable for moving and becoming approximate clevis eye in guiding groove, and the motion of pipeline is set to be provided by the motion of bracket.
By lighter structure, described device occupies less space, and can be assemblied in more flexible and general mode the cadre (dry end) of the machine (for example paper machine or lap machine) of producd fibers web, due to existing space availability ratio because of any limiting condition of Web transfer apparatus (web transfer), framework and building regulation limited, so this is useful when carrying out modernization.Because bending is less, thus lighter structure can use with together with thinner girder structure because lighter than in known technology not long ago of the moving mass associated with beam.Due to mobile be lighter quality, so can make that the motion of bracket is faster, acceleration/accel is higher, and after rapid movement, slow down required power and structure can be less.Because only have bracket to move, independently actuating mechanism is not used for mobile flexible pipe, so can reduce moving mass.In known technology, for the rapid movement of bracket, must carry out good control to flexible pipe.
In addition, the operation of described device can be more reliable, and this advantage comes from that break period of causing because of device reduces and the efficiency of manufacturing line improves.By described mode, the bending of high pressure line is minimized, and the life-span of these parts keeps longly as much as possible thus.
The object of the invention is to provide following scheme, and by this scheme, described device can be manufactured in more useful and lighter mode, and has as much as possible can being used in assembly by standardized parts.Therefore,, in the situation that there is possible fault, be easy to for example by safeguarding from warehouse standard of replacement parts.Should remember, for example the value of production of machinery lost hours of the paper machine of producd fibers web may be considerable.
The example of said embodiment and advantage refer to where applicable according to device of the present invention, even this point not always mention separately.
Accompanying drawing explanation
Below with reference to accompanying schematic figure, describe the present invention in detail, wherein:
Fig. 1 illustrates described device as the block diagram in a side of nozzle;
Fig. 2 be from the unilateral observation of axle drive shaft to the block diagram of linear modules;
Fig. 2 A illustrates the section of linear modules;
Fig. 3 is the block diagram of pressure portion;
The section that the section A-A along in Fig. 1 of beam of illustrating Fig. 4 A obtains;
Fig. 4 B can be used in the block diagram that energy in the supporting construction of pipeline shifts chain (energy transfer chain);
Fig. 5 A is when the extreme position of the close pipeline of cutting, the birds-eye view that pipeline is advanced in guiding groove;
Fig. 5 B be after cutting movement and return movement during, the birds-eye view of advancing of pipeline in guiding groove;
Fig. 5 C is when bracket and nozzle thereof have returned to initial position, the birds-eye view of advancing of pipeline in guiding groove after cutting movement;
Fig. 6 illustrates the exemplary position of beam on the reeler of paper machine or lap machine;
Fig. 7 A is mounted in the lateral plan of the sealing member in nozzle opening;
The lateral plan that Fig. 7 B is mounted in the sealing member in nozzle opening and is positioned at the nozzle of cut point;
Fig. 8 A illustrates by flat rubber belting and supports the advancing of pipeline be crooked ring-type;
Fig. 8 B illustrates flat rubber belting in Fig. 8 A and the cross section A-A of pipeline;
Fig. 9 illustrates by magnet support flat rubber belting on guiding groove and the section of pipeline;
Figure 10 illustrates by recess supports flat rubber belting on guiding groove and the section of pipeline;
Figure 11 is the birds-eye view of the beam of the servo-unit assembly (booster module) that comprises integrated form;
Figure 12 A is the birds-eye view of the motion of pipeline, and wherein the pipeline of rigidity is turned around the first end of pipeline;
Figure 12 B is the birds-eye view of the motion of pipeline, and wherein flexible pipeline is along transverse direction Linear-moving;
Figure 13 is the birds-eye view of beam, according to arranging of Figure 12 B, introduces its pipeline;
Figure 14 is the lateral plan of lightweight (lightweight) beam;
Figure 15 is the birds-eye view of lightweight beam;
Figure 16 illustrates the part sectional view of lightweight beam;
Figure 17 is the schematic top plan view that simple band drives beam;
Figure 18 illustrates boiler check valve and the high pressure filter being integrated in pressure portion.
The application's invention relates to a kind of for passing through the device of pressure medium cutting fibre web, and this device comprises:
Beam, its basic setup become direct of travel in fiber web laterally;
Bracket, it is suitable for mobile, for the nozzle of cutting fibre web, is attached to this bracket;
Pipeline, for pressure medium is transported to nozzle, the first end of pipeline is suitable for being connected to pressure feed portion, and the second end of pipeline is suitable for associatedly with bracket mobile;
It is characterized in that, this device also comprises for forming the guiding groove of the guiding piece of pipeline, when the distance between first end and the second end changes according to the position of bracket, this pipeline is suitable for moving and becoming approximate clevis eye in guiding groove, and the motion of pipeline is set to be provided by the motion that is assemblied in the bracket in linear modules.
Of the present invention, for cutting the first embodiment of mobile fiber web, guide rod is crossed fiber web and is extended, and guide rod is positioned partially at outside fiber web at the partial-length at two edges.Guide rod can be one or be preferably two, thus the overlapping guide rod of forming section on the line of centers of fiber web.Guide rod or a pair of guide rod are in the direction that moving web intersects in fact.Crisscrossly refer to crisscross with respect to the manufacturing direction of the fiber web of advancing in fiber web machine.Due to overlapping guide rod, the region of line of centers comprises can be cut the zonule of twice.Correspondingly, when fiber web moves, this initial position provides tapered region when cutting fibre web, and for example by air blowing, to guide this tapered region be the necessary part of for example changing reeler.
Guide rod or a pair of guide rod are preferably built in elongated linear modules.Whole guide rod structure can arrange as a whole, linear modules has been comprised be attached to framework attachment point, provide the inner structure of longitudinal movement and for the attachment point of actuator, this actuator for example can be servomotor.In addition, movable support bracket is provided with the attachment point that can be built directly in linear modules.Due to these attachment points, the pipeline that transports pressure medium can further be attached to bracket.Linear modules comprises the guiding surface being limited by the guide rod for longitudinal movement, and bracket is suitable for moving on guiding surface.The power of bracket for example transmits by the rotation of cog belt.The rotation of cog belt is for example driven by servomotor or stepper motor.This structure of statement of facts is favourable, with regard to power delivery, has the cog belt of control and tension adjustment power to be also connected to modular construction and suitable gear system, so that suitable power and speed to be provided.
The supporting structure of crossing fiber web of described device is the beam of foil structures preferably, obtains dramatic benefit thus in manufacturing, transport and installing.Foil structures can consist of hollow section, and therein at least one section can retain suitable narrow space, and particularly, this space is suitable for the pipeline that pressure fluid is transported in guiding.During movement of bracket, guiding effect is useful.During the cutting movement of bracket and return movement, can utilize this guiding effect.The object of guiding effect is when rapid movement, in a controlled manner, and with the motion of bracket supply line abreast, and needn't be along the direction of cutting supply line in the vertical.Correspondingly, during return movement, motion can be carried out more slowly, makes thus pipeline in narrow space, reach in a controlled manner if having time stable.
About the operation of pipeline, the preferred adequate rigidity of pipeline is to resist bending, and its smooth surface, therefore, when having extra length, does not have and the trend self being wound around.Particularly, the motion of pipeline is by following support: surface treatment preferably for example, is carried out with the reagent (plastics, teflon or the dry smoothing preparation such as silicon) that reduces friction force in this surface.
In the second embodiment of the present invention, can use the energy transfer chain that is suitable for controlling pipeline in guiding groove.In the situation that do not allow pipeline only to move according to the freedom of motion of bracket, by energy, shift chain, can guarantee the good also failure-free of pipeline longitudinally to control.Energy shifts chain and is preferably suitable for advancing on its side, therefore can support by stayed surface.
In the third embodiment of the present invention, can carry out by the servo-unit assembly of integrated form the assembling of implement device, the servo-unit assembly of this integrated form is done as a wholely to transmit and assemble.Under clean prerequisite, carry out pre-assembledly, can prevent that in the case waste material and impurity from entering in system, because the easy stopped nozzles of impurity, weaken or prevent from cutting result.Pre-assembled module can be used as closed cell and transmits, therefore the in the situation that of assembling, pre-assembled module must be only by mechanically attached in place, and be electrically connected gentle being dynamically connected, and must be provided for the transmission flexible pipe (system that preferably belongs to area of low pressure) of medium.After transmitting flexible pipe, the preliminary filtration of medium is set.
In the fourth embodiment of the present invention, pipeline be not along its longitudinally with respect to bracket move supply with, but pipeline is configured to advance to the side of pipeline.Pipeline longitudinally with bending laterally there is flexibility.Pipeline is formula twist preferably, and when bracket moves, and above-mentioned flexibility allows bracket at high speed and a mobile half width of crossing whole fiber web or surpassing fiber web post.In device, the first end of pipeline therefore along machine direction in the position different from the second end of pipeline, the second end of pipeline moves with bracket along guide rod.
In the fifth embodiment of the present invention, the structure of bracket be lightweight and its motion by skidding, guided.Skidding between bracket and guide rod can be dismantled, and therefore easily safeguards.Skidding preferably consists of teflon.The cog belt traction bracket that moves through of bracket is realized, and cog belt is assemblied between two cog belt pulleys to be driven and that control.Longitudinal supply and the batching return movement during of pipeline during cutting is configured to, the direction from spool along guide rod.
In the sixth embodiment of the present invention, boiler check valve and/or high pressure filter are integrated in pressure portion.Integrated advantage is that quality mobile together with bracket is reduced, and the total mass of beam reduces.Need boiler check valve to make pressure pipeline remain on pressurized state, thus, can be more easily and start reliably cutting.Do not allow air to enter pressure pipeline, when the cutting stage starts, remove again air and will disturb cutting.When starting, cutting blows out the nozzle that also can unnecessarily wear and tear using air as volume of air portion.High pressure filter is preferably placed at the end of pressurized pipeline, therefore, in the situation that occurring to block, just can change high pressure filter, thereby conventionally once to blow down to open whole pressure pipeline.
In an embodiment of the present invention, can control pipeline by flat rubber belting, on pipeline side, use thus flat rubber belting, so that pipeline hardening be conducive to control.Flat rubber belting can preferably consist of spring metal (spring metal).The present invention utilizes the rigidity difference of flat rubber belting when cross bending.
Typical water cutter sweep according to the present invention is realized in order to the bracket of moving nozzle by being configured to, so that moving mass is as much as possible little.In the present invention, by movable support bracket simply, provide the motion of pipeline, and without different mechanisms, pipeline is moved fast or at a slow speed, to process the length of supply or the length of extraction.According to the present invention, by the motion of bracket, can realize with mode mobile pipeline between first end and the second end corresponding to the motion with bracket.By remove extra device or structure with respect to known technology, can make described device light, economical and creative.
The specific embodiment
Fig. 1 be the side from nozzle 2 be this side of fiber web 1 observe be intended to the block diagram for the beam 10 of water cutting.Shown in figure, partly overlap and the path of appreciiable nozzle 2 in opening 26.In the mode of typical metal thin plate structure, beam 10 can support at its two ends and/or certain is in for example Bezier point (Bessel point) and supports (support and do not show) between its two ends.In beam 10, there is linear modules 5; Linear modules 5 is preferably equipped with good unit, comprise guide rod 6, bracket 3, for the rigidity of the power transfering device of movable support bracket 3 and sufficient support self, linear modules 5 can be considered to so-called self-supporting (self-supporting) structure thus.In the end of linear modules 5, servomotor 7 is installed, linear modules also comprises the confession electric axis (power supply shaft) of outfit for this reason.Linear modules 5 can preferably be installed as described above, and be easy to when needed with maintenance association with corresponding surplus spare parts, change.Being between the space of linear modules 5 reservations, be built with guiding groove 13 and be beneficial to pipeline 4 to control.Guiding groove 13 is the spaces that retain for pipeline 4, wherein can by controlled mode, carry out the motion of pilot line 4, and pipeline 4 preferably curves clevis eye.Guiding groove 13 is the limited slender space by stayed surface 13A below and the areal of support on side (bearing surface) 131,132 restrictions.
Fig. 2 is the block diagram from the linear modules 5 of the unilateral observation for electric axis.Linear modules 5 preferably includes the bracket 3 being integrated in guide rod 6.Because complete standard equipment provides with compact form, use and except miscellaneous part, also comprise that the linear modules 5 of electric supply installation 51 is suitable.Linear modules 5 provides cutting required speed and acceleration/accel, and the effect needing after cutting is slowed down with safety.Linear modules 5 also comprises that sufficient rigidity is to resist bending, and this self-supporting quality is favourable in installing and transporting.
Fig. 2 A illustrates a plurality of cross sections of the linear modules 5 cutting out.For motion of translation is provided, essential part is comprised of guide rod 6 and roller 36, and bar 6 is longitudinal bearing (longitudinal bearing), and roller 36 is in the direction by 6 guiding of these bars; The motion of bracket 3 is along realizing by the guide rod 6 on the prolonging direction at linear modules 5 and roller 36.Two rollers (one is profile type) shown in figure, but for stable motion direction, at least three rollers 36 that need order to install.Roller 36 ground associated with bracket 3 and bearing fit.Contacting based on sphere between roller 36 and guide rod 6, bracket 3 can easily move and not large friction thus.The sense of motion of figure neutral line guide rod 5 is directions of viewer's eyes.Linear modules 5 comprises the power transfering device 51 for movable support bracket 3.Power transfering device 51 comprises cog belt 14, cog belt pulley and actuator, and actuator is for example servomotor 7, stepper motor or allied equipment.A part for cog belt 14 is also associatedly with bracket 3 attached, and this band is suitable for being positioned at the form of elongate loop of the inside of linear guide bar 5 and advances.In the structure of linear guide rod 5, be formed with suitable opening advancing for cog belt 14.The other end of cog belt 14 comprises gear and cog belt pulley 16 (not shown)s of cooperation, by gear and cog belt pulley 16, can for example by servomotor 7, carry out movable support bracket 3.Bracket 3 comprises the attachment point 37 for attached pipeline 4 and pressure portion 11.Correspondingly, attachment point 37 is also provided for attached linear modules 5.The main body of linear modules 5 is preferably made by aluminium, aluminum alloy or other sheet metals, the profile that can for example utilize suitability for industrialized production to form by extruding in it is manufactured thus.In addition, can make cavity, thus loss of weight by reinforcement in body (ribbing).
Fig. 3 illustrates the block diagram of pressure portion 11, so pressure channel 35 path from the inlet to the outlet represents with empty pipeline.Pressure channel 35 is through narrow material neck (narrow material neck) MK; This material neck MK in assembly is suitable for sliding (run) in guide slits (guide groove) 17, with reference to figure 4.The design of pressure channel 35 is that the medium for example pressure of water transmits by pressure channel 35 from a side of guiding groove 13, and contacts with the bracket 3 in linear modules 5.Material neck MK is suitable for along elongated guide slits 17, in guiding groove 13, slides.MK is narrow for material neck, so guide slits 17 does not provide and enters guide slits 17 or from guiding groove 13, by guide slits 17, arrive the chance of the sidepiece of linear modules to pipeline 4.Guide slits 17 is preferably narrower than the diameter of pipeline 4, so that this setting is safer.The edge of guide slits 17 is cavetto, inclination or polishing slightly, the surface of pipeline 4 so that its edge can not wear and tear too early.In this way, the second end 4B of pipeline 4 is transported to pressure portion 11, and further by pressure channel 35 associated with bracket 3 be transported to nozzle 2.Pressure portion 11 is assembled in beam 10, and material neck MK is slided in guide slits 17.The medium of pressurization is transported to nozzle 2, so pressure portion 11 comprises the narrow material neck MK corresponding to elongated guide slits 17; And pressure channel 35 transports along described material neck MK, so that pressure medium is sent to nozzle 2 from pipeline 4.
Fig. 4 A illustrates the section that is suitable for water cutting that the section A-A along in Fig. 1 of beam 10 obtains.Beam 10 comprise correspond respectively on beam and beam under the space of each cutting part.This specification sheets concentrates on lower part, and the first half is identical, but in practice, but can turn upside down and longitudinally at the diverse location of beam 10, implement.Being the lower space that linear modules 5 retains, can see that bracket 3 is near linear modules 5, pressure portion 11 is arranged on bracket.Pressure medium is supplied in pressure portion 11 by pressure feed portion 21 and by the pipeline 4 in guiding groove 13.The pressure forming in medium is preferably provided by pneumatic high-voltage pump 8 (not shown)s, and feed pipe is connected to pressure feed portion 21 from pneumatic high-voltage pump 8.Pipeline from high pressure pump 8 can be implemented by the plumbing system (pipework) of flexibility or rigidity.Usually, pressure feed portion 21 relates to pressure; This pressure is directly formed by pump or allied equipment and can by pump, be used immediately, or by one group of passage, along transmission path, be sent to more close actuator (actuator), or be directly connected to for example functional device of nozzle 2 and so on (functional device).
Beam 10 can be divided into different spaces with various ways; Fig. 4 A illustrates a kind of mode.At installation phase, the pipeline 4 in guiding groove 13 is suitable for sliding through the ring of U-shaped (180 °).This ring is suitable between areal of support 131,132, makes ring trend towards pressing these areal of supports 131,132.The control of pipeline 4 is based on being supported the motion space of face 131,132 along side direction restriction, and it is inner that pipeline 4 is assemblied in this motion space.The height lower fact of vertical control in guiding groove 13 based on guiding groove 13, pipeline 4 can not cause entanglement thus.Pipeline 4 is suitable for moving on stayed surface 13A, and bearing surface 13A is preferably the surface of the horizontal normal along beam 10 in guiding groove 13.Therefore the inside face of guiding groove 13 is used to form the guide portion of pipeline.Therefore, the rigidity by the inside face of pipeline 4 and the interaction of outside face and pipeline 4 guides.The height of guiding groove 13 preferably the diameter of pipeline 1.5-5 doubly.Restriction guiding groove so that at least one wall of its step-down can be made by some transparent material at least, thus the operation conditions of pipeline can by naked eyes or for example computer sighting device monitor.Can the surface of the inside face of guiding groove 13 or pipeline 4 be processed or be applied with material, improve thus advancing or movability of pipeline, reduce friction or reduce in addition the too early wearing and tearing of pipeline 4.
Fig. 4 B illustrates the energy transfer chain 18 that is suitable for pilot line 4 in guiding groove 13.In the situation that do not allow pipeline 4 to move according to the freedom of motion of bracket 3, by energy, shift chain 18, during cutting and return movement, can guarantee well and longitudinally control reliably pipeline 4.Energy shifts chain 18 and is preferably suitable for advancing on its side, and energy transfer chain 18 is supported by stayed surface 13A thus.Useful capacity shifts chain 18 and easily realizes supported 180 ° of pipeline 4 and turn to.Pipeline 4 is suitable for shifting chain 18 by energy to be supported, and between first end 4A and the second end 4B, slides.The first end of energy transfer chain 18 is fixed firmly to the guiding groove 13 of the end (being called in this application first end 4A) that is positioned at pipeline 4.
Fig. 5 A is when cutting approaches its end position, the birds-eye view of the travel condition of the pipeline 4 in guiding groove 13.Cut direction arrow mark.Pressure feed portion 21 is in the first end 4A of pipeline 4, and first end 4A fixes.The second end 4B of pipeline is in mobile bracket 3.The nozzle 2 of bracket 3 for the sake of clarity, is only shown.In forward movement, because pipeline 4 is drawn forward, pipeline 4 mainly moves with the motion of nozzle 2 linearly.Pipeline 4 moves in the space between areal of support 131,132, and is arranged between areal of support 131,132 and advances with U-shaped, and the flexural center KP of the curvature of clevis eye is positioned at the centre of ring thus.Space between these areal of supports also comprises partition wall (partition wall) 133; Partition wall 133 is longitudinally installed, and partition wall 133 cuts apart the space between areal of support 131,132, and can limit the motion space of pipeline 4.Partition wall 133 can be extendible and/or movably.The motion of pipeline 4 is subject to areal of support 13A restriction below.When flexural center (KP) is crooked around, pipeline 4 is by following at least one support: areal of support 131,132 or partition wall 133.
Fig. 5 B be after cutting movement and return movement during, the birds-eye view of the travel condition of the pipeline 4 in guiding groove 13.Nozzle 2, is mainly that the second end 4B of pipeline 4 is back into its initial position from its end position, i.e. position before cutting.Naturally, therefore pipeline 4 also trends towards to side, avoiding at least to a certain extent, is difficult to control pipeline 4 by promotion.Partition wall 133 limits the space of side now fully, and pipeline 4 must be advanced and to its initial position, advance along its principal direction thus.The ring that pipeline 4 forms was advanced before nozzle 2 to be approximately half speed of the speed of nozzle.One of characteristic of pipeline 4 (property) is, with regard to its bending stiffness, the minimum bending radius R that there is no deformation set of pipeline 4 is slightly less than half of spacing of areal of support 131,132.Therefore pipeline 4 trends towards pushing against areal of support 131,132.In addition, the flexural center KP of pipeline 4 is suitable for moving along the sense of motion of bracket 3.In guiding groove 13, the mode that pipeline 4 is suitable for being similar to the forward movement of bracket 3 straightens.Pressure feed portion 21 is further arranged to through attachment point.
Fig. 5 C be after cutting movement when bracket 3 and nozzle 2 thereof have returned to initial position, the birds-eye view of the travel condition of the pipeline 4 in guiding groove 13.Therefore, Fig. 5 A, Fig. 5 B and Fig. 5 C illustrate following function, and wherein only the motion by bracket 3 makes pipeline 4 motions.In the operation of device, during cutting or return movement, the flexural center KP of pipeline 4 is suitable for moving along the direction of guide rod 6.By being suitably chosen in the characteristic of pipeline 4 in the device operation during cutting or return movement, the character of surface of the running velocity of bracket 3 and guiding groove 13, can be corresponding to the motion of bracket 3, with crooked form supply line 4, and need not support against the inside bend formula of pipeline 4, pipeline 4 is without supporting or supplying with thus, and can alleviate the weight of structure.Normally, the speed of cutting is higher than the speed of return movement, but common return movement is without very fast, because usually have the sufficient time for ensuing cutting.
Fig. 6 illustrates the exemplary position of beam 10 on the reeler of paper machine or lap machine that is suitable for use in water cutting.Fiber web 1 is brought on reeler by roller.Beam 10 is preferably suitable for the web conveyer consisting of roller, wherein fiber web in straight plane (in the case, between dancing roll 34 and reel up drum 30) advance, beam 1 is constant as far as possible apart from the distance of fiber web 1, to guarantee good cutting result.
When roll change more, the nozzle 2 of beam 10 cuts out necessary crack in fiber web 1, these cracks are along the direction of blow-off pipe (blowpipe) 32 through the nip between reel up drum 30 and empty machine rolls iron (machine roll iron) 33, and the air blast that blow-off pipe discharges is elevated to fiber web 1 on machine rolls iron 33.The machine rolls 29 completing can depart from the nip contact of reel up drum 30, and continues to be rolled onto on machine rolls iron 33.Blow-off pipe 32 also can be positioned on another location, this depend on roller substitute mode (be for example positioned under fiber web 1, if the machine rolls completing before changing and before cutting fibre web 1, depart from nip).Because roller has multiple substitute mode, so be example in the substitute mode shown in this and side layout thereof, be not intended to limit the use of this device.This device can also be supplied with for web, after having reached its complete width, fiber web is elevated on empty machine rolls iron 33 with the fiber web 1 on reeler.In the middle of more roll change and web are supplied with, fiber web 1 is tilted to be attached on machine rolls iron 33, and this is because the air layer rotating around machine rolls iron 33 trends towards along inclined direction guiding fiber web 1.When particularly the nip between machine rolls iron 33 and reel up drum 30 seals safely, situation is especially true.For around iron machine rolls 33 guiding fiber webs 1, also utilized the air-flow of blow-off pipe 32.
Fig. 7 A illustrates nozzle 2, and nozzle 2 can be suitable for moving in flexible opening 26 along the direction of guide rod 6.In this way, can be when cutting fibre web 1, protection nozzle 2 is away from shredded paper and smear metal.Smear metal is comprised of the fiber rupturing and the formed paste of medium, and this paste may result in blockage and hinder the motion of nozzle 2 and the operation of medium when dry; Especially true when cutting tissue paper (tissue paper).Flexible opening 26 can be comprised of for example two sheet rubbers, and the direction that these sheet rubbers are parallel to guide rod 6 is mounted to an abutment joint.The speed that nozzle 2 limits with bracket 3 along this abutment joint is slided.With reference to figure 7B, when advancing, nozzle 2 is opened abutment joint a little, and nozzle 2 can not sprayed intrusively by the gap of abutment joint.In effective cutting zone, sealing member 25 can the direction along guide rod 6 extend in identical distance; In non-effective cutting zone, (for example, in resting guard and maintenance position), can change sealing member 25 apart from the distance of nozzle 2, makes nozzle 2 remain on covered state or makes nozzle 2 remain on the state of being uncovered.According to the present invention, abutment joint can comprise above so big pressure, this pressure makes sealing member 25 outwardly-bent from plane according to attachment point.Sealing member 25 also can be realized by bristle, and one end of bristle is attached to the edge of sealing member 25.These bristles are arranged to toward each other, in the gap that nozzle 2 limits at the bristle by both sides, slide.The edge of sealing member 25 or bristle can be designed to or be chosen to make them can not make the deceleration of motion of nozzle 2.Correspondingly, they do not change substantially in time to the resistance of motion, make thus cutting movement and speed keep for a long time constant.
Fig. 8 A illustrates flat rubber belting 19, and flat rubber belting 19 is suitable for supporting pipeline 4, and flat rubber belting is characterised in that its difference in perverted rigidity.Flat rubber belting is several times of bending stiffness of second direction along the bending stiffness of first direction.The first direction of second direction and side direction differs 90 °.The portion of pressure feed shown in figure 21 is to the first end 4A of pipeline, and nozzle 2 to second end 4B, and the second end 4B is suitable for becoming movably.Flat rubber belting 19 slides near pipeline 4, under these circumstances, is the form of the curved face part in negative camber side.Position in cross section A-A shown in Fig. 8 B.
With reference to figure 9, if flat rubber belting 19 comprises metal, flat rubber belting 19 can be ferromagnet, and can realize by magnet 20 control (being held in place, being attached to resting guard and release) of flat rubber belting 19.Magnet 20 can be permanent magnet or electromagnet.By the continuous permanent magnet or the electromagnet that are substantially mounted to row, can be used as temporal continuous events and realize the release of flat rubber belting 19 and pipeline 4 and attached, very long pipeline 4 can be controlled along its length thus.Can control by the confining force that keeps magnet 20 starting point of bracket 3.The magnet 20 of resistance displacing force remains on starting position by bracket 3, until can discharge bracket 3 by discharging the confining force of magnet 20.Magnet 20 by attached in place securely, for example, is attached near in the structure of guiding groove 13.Typically, magnet 20 is elongated tapes.
Flat rubber belting 19 also can be directed, so flat rubber belting 19 is forced into according to the form of the preferred path of pipeline 4, and flat rubber belting 19 trends meet this form.In the case, flat rubber belting 19 can comprise the prestressed spring metal that is provided with expectation.Pre-stressed state can be pipeline 4 at cutting position or cuts the state that position obtains correspondingly-shaped, or pipeline 4 obtains the state of correspondingly-shaped at its resting guard.Unstress state also can be during present cutting, the free position corresponding with the shape of flat rubber belting 19.In this way, in the starting point of bracket 3, pipeline 4 trends towards straightening along the sense of motion of bracket.Then motion is accelerated, and easily controls pipeline 4.When bracket 3 moves, walk around (bypass) unstress state, and make hardly deceleration of motion along the attached pipeline 4 of second direction, because the quality hysteresis quality (mass slowness) in bracket 3 at a high speed trends towards maintaining motion.
With reference to Figure 10, flat rubber belting 19 also can longitudinally guide by groove.The object of groove is to prevent the unsettled or distortion of the combination unit of pipeline 4 and flat rubber belting 19.In the situation that guiding with groove, by drawing along groove or pushing away, flat rubber belting 19 is moved.The length of groove needs not to be for example according to the whole length of advancing on the curved surface in Fig. 8 A.
Figure 11 is the birds-eye view of the servo-unit assembly (booster module) 9 of integrated form.Servo-unit assembly can comprise high pressure filter 28, and 28 pairs of any defect particles of high pressure filter are all enough firm.High pressure filter 28 can comprise for example take the filter that 150 holes are benchmark, and this filter can allow nearly 149 holes to be prematured by solids, but still can be by a hole to nozzle 2 supply pressures.The diameter of the opening of nozzle 2 is within the scope of 0.06mm-0.40mm, and the pressure of use is within the scope of 800bar-2000bar.The servo-unit assembly 9 of integrated form also can be used as spare components and provides, if therefore et out of order, its replaceable close existing servo-unit assembly, thus can make to interrupt does not have rapidly large production loss.
On beam 10, have the easy servo-unit assembly 9 of installing in ，Gai space, space for the servo-unit assembly 9 of integrated form.Shown in figure, by reeler, transmit web, fiber web 1 can be batched during batching.Because the servo-unit assembly 9 of integrated form is easily changed, therefore can for example at run duration, change servo-unit assembly 9.From high pressure pump 8, unload pressure feed portion 21, the servo-unit assembly 9 of integrated form can be reduced to the floor under fiber web.The servo-unit assembly of new alternative integrated form 9 can be connected in placely, reconnect pressure feed portion 21, and basic execution safeguarded and do not destroyed fiber web 1.
Please comparison diagram 12A and Figure 12 B, it illustrates the design of the 4th embodiment separately as parent map.Figure 12 A illustrates unpractical a little method, and wherein the pipeline 4 of fixed measure is by reversing to move around first end 4A.Obviously, the second end 4B of pipeline 4 produces crooked cutting pipeline, and this scheme is not to gear to actual circumstances very much thus.By contrast, with reference to figure 12B, by provide flexible and edge longitudinally laterally to carry out the second end 4B of mobile pipeline 4 linearly for pipeline 4, can realize the cutting of expectation.Stretching pipeline 4 can be in one end of nozzle 2, or pipeline 4 can grow to pipeline 4 without being made by solid tubes (solid pipe).
Figure 13 illustrates according to the scheme of the above-mentioned principle on reeler.For pipeline 4, preferably have housing 38 with isolation shredded paper or similar foreign matter, pipeline 4 can move in housing 38.Also can use hard tube (hard pipe) to realize the pipeline 4 of partial-length in the region of first end 4A and/or the second end 4B.In the housing of isolation, change pipeline 4 relatively easy, when needed, by opening housing, the first end 4A of pipeline and the second end 4B are separated, the pipeline 4 more renewing.In this embodiment, cut direction that can influencing fiber web material 1 is neither limited also not in the position of beam 10, but can cut not only along continuous straight runs, but also (or along the direction between this both direction) mobile fiber web 1 vertically.Bottom water plane in isolation housing 38 should be constructed to the basis as sizing (dimensioning), maintainer's body weight, rather than the bottom water plane of simple pipeline 4.Position after the initial position of the extreme position, pipeline 4 that has shown pipeline 4 on the line of centers of fiber web machine and cutting on the edge of fiber web 1.
Figure 14 illustrates the lateral plan of the embodiment based on lightweight bracket 3, and wherein the motion of bracket 3 is guided by sliding mats 12.Sliding mats 12 between bracket and guide rod 6 can be dismantled, and therefore easily safeguards.Sliding mats 12 can preferably be made by teflon.The traction that moves through cog belt 14 of bracket 3 realizes, and cog belt 14 is suitable for driven between cog belt pulley 16 and controls.The longitudinal supply of pipeline 4 during cutting and batching during return movement are arranged to from spool 22 independently along the direction of guide rod 6.
In order to carry out cutting, two brackets 3 can have the spool 22 of its oneself pipeline 4, and therefore described device is by two cell formations.This scheme also can be implemented as follows: make the pipeline 4 of second nozzle 2 needn't need oneself spool 22, but pipeline 4 can utilize the mode that is similar to band or another driving component to extend to second nozzle 2 from the first nozzle 2.In the case, spool 22 is positioned on another edge of fiber web to be cut 1, and pipeline 4 is crossed fiber web 1 and slided, and pipeline 4 extends to another edge of fiber web machine on whole fiber webs 1 through the first nozzle 2.Another edge of fiber web machine comprises rotation guide reel 15, and pipeline 4 returns on fiber web 1 again via the periphery of rotation guide reel 15, and pipeline 4 ends at second nozzle 2 thus.The axle preferred parallel of guide reel 15 is in the axle of spool 22.When bracket 3 moves, pipeline 4 is transported by spool 22 and guide reel 15, moves in a controlled manner two nozzles 2.Pipeline 4 can be only carry out half rotation around guide reel 15, or in addition carries out the complete rotations such as, two, three.Extra rotation is guaranteed better to clamp effect around guide reel 15.Guide reel 15 can rotate freely, be provided with little actuator or be connected to dummy coupling (dummy coupling).Bracket 3 can be urged near manhole 39 to be safeguarded.
Figure 15 is the birds-eye view of the embodiment based on lightweight bracket 3, removes entity plate on beam 10 to expose structure.In order to move spool 22, be provided with and carriage drive can be arrived to the servomotor 7 of cutting, wet web pickup or the maintenance position of expectation.
Figure 16 illustrates the part sectional view of the embodiment based on lightweight bracket 3 observing from end.Bracket 3 supports by sliding mats 12, and is moved by cog belt 14.Near pipelines 4 nozzle 2 preferably consist of rigid pipe, and can be connected to flexible pipeline 4 from this rigid pipe and batch to carry out.Sliding mats 12 is preferably through the processing that is shaped, to comprise different classification (gradation), angle or flange, it can support and control advancing and moving of bracket 3.Correspondingly, these classifications, angle or flange can be shaped on the side of beam 10, to have corresponding surface, can realize thus the longitudinal guide surface of beam 10.Due to this structure, can easily change sliding mats 12.
According to this embodiment, can also move two brackets with simple scheme.Figure 17 is the schematic plan of simple belt-type drive device.In this plan of establishment, cog belt 14, band or similar driving component are arranged between spool 22 and guide reel 15.Cog belt 14 is crossed fiber web 1 and is returned.The first nozzle 2 is placed along the first cross over line, and second nozzle 2 is placed along the second cross over line.When cog belt 14 is crossed fiber web 1 and returned in the second cross over line, it can turn back to (as shown in figure 17) on spool 22, or it can be transported on used independently rotating member.By mobile cog belt 14, provide cutting movement, two nozzles 2 move simultaneously thus.Pipeline 4 moves to respectively each nozzle 2 with cog belt 14.
Figure 18 illustrates for realizing the modification of pressure portion 11.Between pressure portion 11 and nozzle 2 (" outlet ") and/or within pressure portion 11, also can be integrated with boiler check valve 27 and high pressure filter 28, pressure medium can be transported to nozzle 2 by boiler check valve 27 and high pressure filter 28 thus.Integrated Solution can reduce the quality of pressure portion 11, and reduces thus the quality of bracket 3, thus, can further alleviate the structure of beam 10.Boiler check valve 27 is preferably loading spring formula, and its medium with pipeline 4 inside can not overflowed between cutting.When restarting cutting, it is less that pressure collides (pressure stroke), and correspondingly, described device does not spill on fiber web 1 or floor medium.Cutting can start immediately.Because do not have air to only have medium in pipeline 4, so when cutting starts, can not collide because of air mineralization pressure in nozzle 2.The collision causing because of volume of air in nozzle 2 will make nozzle 2 wear and tear too early.Near nozzle 2, installation high-voltage filter 28 is conducive to safeguard, because high pressure filter 28 is positioned at the end of pressurized pipeline in practice.Conventionally, change any obstruction that high pressure filter 28 can be dredged pressurized pipeline.When correspondingly forming the boring (boring) larger than high pressure filter 28 in pressure portion 11 thus in the time of can installing, can realize the built-in scheme according to Figure 18.
In figure, only illustrate according to a preferred embodiment of the invention.The secondary cause of main design of the present invention is not shown separately in figure, propulsion source or supporting construction that for example the present invention may need, these itself are known in those skilled in the art or are apparent to them.It will be apparent for a person skilled in the art that the present invention is not limited only to example set forth above, and change in the claim that the present invention can be proposed hereinafter.Dependent claims represents possibility embodiment more of the present invention, and should not be considered to the restriction to scope of the present invention.
The Reference numeral that accompanying drawing is used:
1-fiber web
2-nozzle
3-bracket
4-pipeline
The first end of 4A-pipeline
The second end of 4B-pipeline
5-linear modules
51-power transfering device
6-guide rod
7-servomotor
8-high pressure pump
The integrated servo-unit assembly of 9-
10-beam
11-pressure portion
12-sliding mats
13-guiding groove
13A-stayed surface
131,132-areal of support
133-partition wall
14-cog belt
15-guide reel
16-cog belt pulley
17-guide slits
18-energy shifts chain
19-flat rubber belting
20-magnet
21-pressure feed portion
22-spool
23R-torsional spring
23T-translation spring
24-rotates accessory
25-sealing member
26-opening
27-boiler check valve
28-high pressure filter
29-machine rolls
30-reel up drum
31-reeler
32-blow-off pipe
33-machine rolls iron
34-dancing roll
35-pressure channel
36-roller
37-attachment point
38-housing
39-manhole
KP-flexural center
MK-material neck
Claims (15)
1. for passing through a device for pressure medium cutting fibre web (1), comprising:
Beam (10), its be substantially arranged on described fiber web (1) direct of travel laterally;
Bracket (3), it is suitable for mobile, for cutting the nozzle (2) of described fiber web (1), is attached to described bracket;
Pipeline (4), for described pressure medium is transported to described nozzle (2), the first end (4A) of described pipeline (4) is suitable for being connected to pressure feed portion (21), and second end (4B) of described pipeline (4) is suitable for associatedly with described bracket (3) mobile;
It is characterized in that, described device also comprises for forming the guiding groove (13) of the guiding piece of described pipeline (4), when the distance between described first end (4A) and described the second end (4B) changes according to the position of described bracket (3), described pipeline (4) is suitable for for being similar to clevis eye, moving in described guiding groove (13), and the motion of described pipeline (4) is set to be provided by the motion that is assemblied in the described bracket (3) in linear modules (5).
2. device according to claim 1, is characterized in that, described device be assemblied in reeler (31) near, to carry out the roll change of described reeler (31), or machine rolls iron (33) is carried out to web and carries.
3. device according to claim 1, is characterized in that, the upper level of stayed surface (13A) that described pipeline (4) is arranged in described guiding groove (13) moves in the normal of described beam (10).
4. device according to claim 2, is characterized in that, described linear modules (5) comprises the power transfering device (51) for mobile described bracket (3).
5. device according to claim 4, is characterized in that, described power transfering device (51) comprises cog belt (14), cog belt pulley (16) and actuator, and described actuator is servomotor (7) or stepper motor.
6. device according to claim 1, is characterized in that, described guiding groove (13) is suitable for limiting described pipeline (4) at the areal of support (13A, 131,132) of described guiding groove (13) or the motion space in partition wall (133).
7. device according to claim 1, is characterized in that, the mode that described pipeline (4) is suitable for being similar to the forward movement of described bracket (3) straightens in described guiding groove (13).
8. device according to claim 6, it is characterized in that, described pipeline (4) is suitable in the space being limited by described guiding groove (13) flexural center (KP) bending around described pipeline (4), at pipeline described in bending (4) by one of at least support below: described areal of support (131,132) or partition wall (133).
9. device according to claim 8, is characterized in that, the described flexural center (KP) of described pipeline (4) is suitable for moving along the sense of motion of described bracket (3).
10. device according to claim 1, it is characterized in that, described pipeline (4) be suitable for its side against the stayed surface of level (13A), by mobile energy, shift chain (18) and support ground and move between described first end (4A) and described the second end (4B).
11. devices according to claim 1, is characterized in that, described pipeline (4) is suitable for respect to the supported ground of flexural center (KP), taking the shape of the letter U is admitted to or draws from the outside of described pipeline (4).
12. devices according to claim 1, it is characterized in that, described second end (4B) of described pipeline (4) is transported to pressure portion (11), and further by pressure channel (35), is transported to described nozzle (2) associatedly with described bracket (3).
13. devices according to claim 12, is characterized in that, described pressure portion (11) comprises the narrow material neck (MK) for elongated guide slits (17); And described pressure channel (35) transports along described material neck (MK), so that pressure medium is directed to described nozzle (2) from described pipeline (4).
14. devices according to claim 12, is characterized in that, described pressure channel (35) is integrated, by boiler check valve (27) and/or high pressure filter (28), pressure medium is transported to described nozzle (2).
15. devices according to claim 1, is characterized in that, described device is supported by the beam (10) of foil structures.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20095073 | 2009-01-28 | ||
| FI20095073A FI20095073A (en) | 2009-01-28 | 2009-01-28 | Machine for cutting fibrous material |
| PCT/FI2010/050037 WO2010086499A1 (en) | 2009-01-28 | 2010-01-25 | Device for cutting a fibrous web |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102300795A CN102300795A (en) | 2011-12-28 |
| CN102300795B true CN102300795B (en) | 2014-03-12 |
Family
ID=40329528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080005904.3A Active CN102300795B (en) | 2009-01-28 | 2010-01-25 | Device for cutting fibrous web |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2382148B1 (en) |
| CN (1) | CN102300795B (en) |
| CA (1) | CA2748310C (en) |
| FI (1) | FI20095073A (en) |
| WO (1) | WO2010086499A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782426A (en) * | 1995-09-29 | 1998-07-21 | Valmet Corp. | Method and device for reeling a paper or board web |
| EP1022381A2 (en) * | 1999-01-25 | 2000-07-26 | PAPRIMA Industries Inc. | A web cutting device for use in a papermaking machine |
| CN1524144A (en) * | 2001-06-05 | 2004-08-25 | ������ֽҵ��˾ | Equipment and method for changing a blade |
| CN1777554A (en) * | 2003-03-13 | 2006-05-24 | 法比奥·泼尼股份公司 | An automatic and continuous unwinder device for supplying web-like material from reels |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO144622C (en) * | 1979-12-13 | 1981-10-07 | Thune Eureka As | FREMFOERINGSSPRITS. |
| DE3515519A1 (en) * | 1985-04-30 | 1986-10-30 | J.M. Voith Gmbh, 7920 Heidenheim | METHOD FOR TRANSFERRING A TRAIN FROM A FINISHED REEL TO A NEW REWIND CORE AND CARRIER ROLLER FOR IMPLEMENTING THE PROCESS |
| DE69005829D1 (en) * | 1989-09-08 | 1994-02-17 | Fibron Machine Corp | WATERJET CUTTER FOR A MOVING PAPER SHEET. |
| DE69720214T2 (en) * | 1996-06-17 | 2003-12-11 | Beloit Technologies Inc | WINDING DEVICE FOR A MATERIAL RAIL TO BE REWINDED |
| DE19910581A1 (en) * | 1999-03-10 | 2000-09-14 | Voith Sulzer Papiertech Patent | Linear drive unit |
-
2009
- 2009-01-28 FI FI20095073A patent/FI20095073A/en not_active Application Discontinuation
-
2010
- 2010-01-25 CA CA2748310A patent/CA2748310C/en active Active
- 2010-01-25 EP EP10703304.5A patent/EP2382148B1/en active Active
- 2010-01-25 WO PCT/FI2010/050037 patent/WO2010086499A1/en active Application Filing
- 2010-01-25 CN CN201080005904.3A patent/CN102300795B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782426A (en) * | 1995-09-29 | 1998-07-21 | Valmet Corp. | Method and device for reeling a paper or board web |
| EP1022381A2 (en) * | 1999-01-25 | 2000-07-26 | PAPRIMA Industries Inc. | A web cutting device for use in a papermaking machine |
| CN1524144A (en) * | 2001-06-05 | 2004-08-25 | ������ֽҵ��˾ | Equipment and method for changing a blade |
| CN1777554A (en) * | 2003-03-13 | 2006-05-24 | 法比奥·泼尼股份公司 | An automatic and continuous unwinder device for supplying web-like material from reels |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010086499A1 (en) | 2010-08-05 |
| CN102300795A (en) | 2011-12-28 |
| FI20095073A (en) | 2010-07-29 |
| CA2748310C (en) | 2017-03-21 |
| EP2382148A1 (en) | 2011-11-02 |
| FI20095073A0 (en) | 2009-01-28 |
| CA2748310A1 (en) | 2010-08-05 |
| EP2382148B1 (en) | 2015-10-07 |
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