EP1022123A2 - Procedé et dispositif pour la fabrication de matériaux de rembourrage et matériaux ainsi produits - Google Patents

Procedé et dispositif pour la fabrication de matériaux de rembourrage et matériaux ainsi produits Download PDF

Info

Publication number
EP1022123A2
EP1022123A2 EP00101066A EP00101066A EP1022123A2 EP 1022123 A2 EP1022123 A2 EP 1022123A2 EP 00101066 A EP00101066 A EP 00101066A EP 00101066 A EP00101066 A EP 00101066A EP 1022123 A2 EP1022123 A2 EP 1022123A2
Authority
EP
European Patent Office
Prior art keywords
cutting
phase
cardboard
groove
sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00101066A
Other languages
German (de)
English (en)
Other versions
EP1022123B1 (fr
EP1022123A3 (fr
Inventor
Bruno Lang
Jens Erlecke
Franz Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intimus International GmbH
Original Assignee
Schleicher & Co
Schleicher and Co International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1999102227 external-priority patent/DE19902227A1/de
Priority claimed from DE19911628A external-priority patent/DE19911628A1/de
Application filed by Schleicher & Co, Schleicher and Co International AG filed Critical Schleicher & Co
Publication of EP1022123A2 publication Critical patent/EP1022123A2/fr
Publication of EP1022123A3 publication Critical patent/EP1022123A3/fr
Application granted granted Critical
Publication of EP1022123B1 publication Critical patent/EP1022123B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/0065—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including slitting and expanding flat material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0082—General layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0088—Control means

Definitions

  • the invention relates to a method and an apparatus for Manufacture of upholstery material, especially for packaging purposes, as well as a corresponding upholstery material.
  • packagings made of rigid flat material such as cardboard, corrugated cardboard, Cardboard or the like are usually torn or opened otherwise dismembered and collected the waste paper cycle fed. Proper disposal is not an option insignificant work and costs.
  • the invention has for its object improvements in Propose area of packaging.
  • a particular upholstery material made of inherently rigid material suitable for packaging purposes Flat material such as cardboard, cardboard or the like. by partially dividing the flat material into strip sections is cut that in the transverse direction of the strip Adjacent strip sections in the region of in the longitudinal direction the strip with spaced connection areas stay connected and by the Strip sections in a direction transverse to a neutral surface of the flat material between the connection areas be deformed so that adjacent in the transverse direction Strip sections deflected in opposite directions become.
  • the inventive shaping of the flat material can With regard to the starting flat material, there may be a disposal problem and a manufacturing problem due to the resulting cushioning material be solved. A disturbing in itself because raw material that has become superfluous, such as a packaging box, is not disposed of costly, but immediately for a new use in a convenient way converted.
  • a thickness between about 0.5 mm and about 5 mm and perpendicular to the surface area is usually only slightly compressible by the reshaping according to the invention with a cushion material an essentially three-dimensional structure, now being deformed by the envelope surface of the Material determined "thickness" of the material a multiple of the Output thickness can be and a shock-absorbing flexibility in the area of the deflected strip sections is created.
  • the separation into Longitudinal strips of the upholstery material are flexible in the transverse direction, so that it can be used, for example, for packaging Bottles can be placed perfectly around the bottle contour. Also in the longitudinal direction there is bending and / or compression of the structure consisting of continuous strips possible.
  • the cushioning effect is essentially in the range of oppositely deflected strip sections generated after Separation and deformation essentially deflected permanently are frictionally in shape due to edge friction being held. Improved conservation of deflection can be achieved by making the cut at the edges is slightly frayed or finely serrated. Therefor are suitably machined cutting discs Contraption.
  • the open, three-dimensional upholstery material structure can for example generated by a stamping process at which the forming essentially simultaneously over a larger, in particular the entire area of the starting material he follows. Separation by strip cutting is preferred with a parallel to the neutral surface of the flat material running cutting direction, whereby to generate the Connecting sections of the strip cut in sections is interrupted. This is the shaping of the starting material in a continuously progressing process energy saving possible and it can also be used for generation Larger upholstery material parts relatively small, space-saving erectable cutting devices can be used. For Upholstery material production can be modified, suitable for Strip cut document shredder or the like be used.
  • a particularly advantageous material structure can be Training are generated by groups of, for example three transversely adjacent connection areas are separated from each other in the transverse direction. This allows the flexibility of the cushioning material in Longitudinal direction, i.e. with a curvature around a parallel to the transverse direction Axis, can be improved because in the separation area a mutual movement of each of the connection areas holding together groups of strips becomes. In addition, a reversible extensibility of the material in Transverse direction created.
  • the cushioning material made possible by the invention can exclusively from the rigid base flat material exist because neither new material is produced in the upholstery material production Substances such as glue or the like are added at temperatures or environmental conditions must be worked in which unfavorable changes may occur.
  • Suitable starting materials are in particular packaging materials such as stiff paper, fine cardboard, cardboard or corrugated cardboard, the materials being single-layer or multi-layer could be.
  • Typical initial thicknesses are between approx. 0.5 and approx. 5 mm, but can also be larger in exceptional cases or be smaller.
  • Typical thicknesses of the upholstery material produced can be between double and five times the starting material thickness and / or between approx. 1 mm and approx. 25 to 30 mm.
  • Particularly suitable strip widths normally limited in parallel Strip sections can be between about 0.5 and 4 times that The thickness of the flat material is between 1 and 2 times this starting thickness.
  • Such relatively compact Cross sections retain their shape and promote damping.
  • the mean strip length between successive Connection areas can be more than 5 times, preferably be between 20 times and 40 times the thickness of the Flat material and / or between about 3 and about 20 times, in particular between about 10 and about 15 times as large as the stripe width. This is a good compromise between the one that can be achieved through the free strip length Upholstery material thickness and the damping effect achievable. It should be noted that experience has shown that Upholstery becomes smaller as the strip length increases.
  • Shredder designated document shredder.
  • she has a Cutting unit with two interacting, counter-drivable Cutting rollers, each of which is a plurality of Has cutting discs axially delimited by cutting edges and between which there are axial gaps, into each of the cutting disks of the other cutting roller in an overlap area up to a maximum Intersection depth for generating a cutting intervention intervention.
  • Cutting rollers designed such that the cutting engagement between adjacent cutting discs during one revolution is interrupted at least once.
  • Cutting discs preferably circular peripheral surfaces have through at least one circumferential groove or edge recess are interrupted, the groove having a groove depth that is equal to or greater than the maxiamle overlap depth interacting cutting discs. So it comes outside the groove area in the area of the cutting gap to a Overlap and thus a separation of neighboring Material areas while in the non-overlapping peripheral section There is no cutting intervention in the area of the groove and accordingly one of the strip sections in the transverse direction connecting bridge remains.
  • Their longitudinal extent is in essentially determined by the circumferential length of the groove area, which is equal to or deeper than the overlap depth is. This circumferential length can e.g. between approx. 2% and approx. 5 % of the cutting wheel circumference length.
  • the cutting discs each have two diametrically opposed grooves, generally preferred is when a cutting disc is preferably an even number of regularly distributed around the circumference of the cutting disc Has grooves, for example two, four, six or eight such Grooves.
  • the cutting rollers are arranged to each other in such a way that in an overlap area of cutting disks at least in some Cutting discs next to a groove of a cutting disc one cutting roller one groove of a cutting disc the other Cutting roller lies.
  • the cutting rollers rotate, they hit the grooves on some axial cuts of the cutting rollers offset opposing cutting rollers.
  • the padding material particularly preferred deformation in can be achieved essentially symmetrically to the starting material surface.
  • each groove is flatter in itself than the maxiamle overlap depth as long as only that Sum of the groove depths greater than the maximum overlap depth is, so that a clear distance in the cutting gap remains between the groove bases or groove bottoms.
  • grooves are adjacent Cutting discs of a cutting roller in the circumferential direction offset an even fraction of 180 ° are, for example by 45, 60 or 90 °. Because of this offset the grooves can be achieved that the connection areas individual strips or groups of strips in the longitudinal direction seen alternately offset from each other. Thereby the cut upholstery material is cut lengthways and in Good flexibility in the transverse direction and reversible in the transverse direction stretchy.
  • Embodiment provided that the cutting discs one above the other or essentially vertically one above the other are arranged, whereby a material supply of the usually flat flat material and a discharge of the manufactured Upholstery material in the horizontal direction is possible.
  • a suitable collection and / or transport device at the material outlet or the like it is e.g. particularly easy, a suitable collection and / or transport device at the material outlet or the like.
  • a preferably for operating the device described suitable method for the drive electric motor for the Cutting device of the device is characterized in that from a direct current, in particular of any origin, by shaping an at least single-phase alternating current is generated with which the drive electric motor is fed becomes.
  • the direct current can be in one AC variable frequency can be converted. This allows adaptation to a required one Operating state of the electric motor. Preferably at low load on the electric motor during operation a high one Frequency set, which is particularly important when using of squirrel cage motors a higher speed and thus faster destruction of documents results.
  • Several fixed speeds can be provided with which different speeds (slow, medium, fast) for different operating modes can be set.
  • the gear ratios for the cutting unit can be different be selected, especially for high torques at normal Rotational speed. By increasing the frequency there is a higher one Speed possible.
  • Other advantages, especially when starting up of the electric motor can be changed continuously the frequency and thus the speed can be achieved. The wear of the entire device can be reduced by eliminating sudden peak loads or jerky speed changes. Further will the operating comfort increases.
  • the amplitude of the AC voltage can be varied to adapt to what is requested by a user Operating behavior of the electric motor.
  • The is preferred generated alternating current sinusoidal, whereby by the power electronics the converter also other, especially any Shapes or waveforms can be generated.
  • the direct current from a fixed installed DC network possibly from an emergency power supply or an accumulator.
  • the direct current from any alternating current supply is preferred generated, especially a single phase AC power supply.
  • a desired, for example three-phase, Alternating current are generated.
  • a three-phase motor operated from a normal socket With such a procedure can have a device for producing upholstery material a three-phase motor operated from a normal socket become.
  • Other advantages that arise when reshaping a AC via a DC link into one Supply alternating current for the electric motor are the freely adjustable frequency, within wide limits, Amplitude and form of the alternating current generated. Detailed Explanations can be found below in the Figure description.
  • a possible method according to the invention can provide that the alternating current for the electric motor through an inverter as the first converter generated from direct current is, the inverter preferably via a DC link with a rectifier as the second converter connected to generate the direct current from the mains voltage is.
  • the converters are preferably power electronics assemblies, for example with TRIACS, power transistors or thyristors as valves.
  • they can Inverters are connected to each other via a kind of buffer on the other hand, it may be possible to connect them directly to one another couple, possibly via a DC link.
  • the Inverter depends on the alternating current to be generated trained, usually with six valves for Generation of three-phase current.
  • suitable device of the drive electric motor has at least one converter that consists of a direct current an alternating current with at least one phase for the Electric motor generated.
  • the converter works as an inverter and preferably generates three-phase current.
  • Three-phase motor or an asynchronous motor can be used.
  • With a converter with power electronics generates an alternating current of essentially any shape become.
  • the first A rectifier can be used as a second converter be provided by which it is possible to use the direct current to generate from an AC supply.
  • the second The converter can have a different design DC link connected to the first converter.
  • a Frequency adjustment of the first inverter to change the speed the motor can be adjusted by hand for example a minimum of three to a maximum of ten times Excessive frequency.
  • Figures 1 to 3 show a device 1 for manufacturing of shock-absorbing padding material from packaging cardboard or other suitable, inherently rigid flat material.
  • the Device has one on lockable, steerable castors attached housing with a box-shaped lower housing part 2 with largely flat top 3 and one with one A few centimeters above the lower part of the housing horizontally arranged, flat upper housing part 4, on the Front controls for the machine are arranged.
  • An integrated cutting device 20 for the flat material includes a longitudinal end attached to the top 3 Stop bar 21 and one with a transverse distance of about 40 cm to the stop bar, vertical Cutting knife 22 that one on the cutting knife side open, horizontal gap 23 between the lower part top 3 and housing upper part 4 bridges and also as a support for the upper part of the housing serves.
  • the cutting device 20 allows for large pieces of flat material Strips with a working width corresponding to the cutting unit Cut or cut width.
  • the cutter 5 is arranged around a horizontal axis 6 rotatably mounted upper cutting roller 7 and vertically underneath one rotatable about an axis 8 parallel to axis 6 has lower cutting roller 9.
  • the one above the other Cutting rollers are started from below the cutting unit the housing front wall attached electric motor 10 via a Synchronization gear 11 driven counter-rotating.
  • Each of the solid metal material by turning (grooving) manufactured cutting rollers (Fig. 6) has a continuous Cutting shaft 12 and protruding therefrom at regular intervals Cutting disks 13, between which annular groove Spaces 14 are formed.
  • Each of the cutting disks has an interrupted groove in the area explained later, substantially cylindrical radial peripheral surface 15 and is essentially axially delimiting by the gaps level and perpendicular to the shaft axes Cutting edges 16 limited.
  • a cutting roller shown in FIG. 5 is the circumferential surface by a central, in the circumferential direction running V-groove 17 divided and the to Side edges of adjacent peripheral surface strips are through an axial knurling 18 roughened.
  • the surface roughening which is also caused by shot or sand blasting can improve the feeding behavior of the cutting unit.
  • the cutting discs can also be used as individual washers be made with the intermediate layer of the spacers or the like on a shaft are lined up.
  • the vertical distance between the cutting roller axes 6, 8 is dimensioned so that the cutting disks each up to a maximum depth of engagement or overlap 49 are engaged with each other and alternately one Cutting disc of a cutting roller in the gap or Clearance between two cutting discs on the opposite Roller engages.
  • the cutting rollers are located on both sides of the material guide channel in downward or upward rectangular recesses 29, 30 inserted at the level of the boundary surfaces 27, 28 Baffles 31, 32 of a stripping device 33 bridges are.
  • the rectangular U-shaped baffles are inserted and run between the two cutting rollers between the edges of the recesses 29, 30 horizontally in the extension of the boundary surfaces 27, 28 and tangentially to the cutting shafts near the bottom of the gaps near the shaft 14. They have a rectangular shape in the area of the cutting disks Slots through which the cutting discs with small side distance, but without edge contact in the Project area of the material guide channel 26.
  • the Baffles serve to scrape off the finished one Upholstery material from the cutting rollers and prevent one Carrying cuttings through the rollers in the area of Recesses. They are individual compared to conventional ones single scrapers with comparable scraping effect much cheaper to produce, for example stamped in one piece from a sheet metal part and to form the Rectangular angle shape can be bent.
  • the cutting unit 5 is known, similar to a cutting unit Document shredder built for strip cut, where however due to a special geometry of the cutting rollers in the Area of the cutting discs not continuous, but in Longitudinal sections interrupted cuts generated become. As a result, the treated flat material is in one another divided contiguous strip sections, where the strip sections to achieve sufficient padding alternately in opposite directions are deflected or deformed. This can be done by the in Fig. 4th geometry of the cutting discs shown as an example become.
  • the cutting disks of the cutting roller 40 there are each shaped identically, but are axially adjacent Cutting disks rotated 90 ° from each other.
  • the front cutting disk 41 has two on its circumference grooves 43, 44 arranged diametrically to the cutting shaft axis 42, which, for the sake of simplicity, are shown as circular cylindrical, but usually by knurling or other roughening structured outer peripheral surface in Interrupt circumferential direction.
  • the grooves each have a largely flat, vertical to the shaft radius aligned groove base 45, which over extends a circumferential angle of, for example, approximately 10 to 15 ° and by parallel to each other and perpendicular to Edge portions 46 running in the groove base in the circumferential direction is limited. These go about halfway up in about 45 ° inclined surfaces 47 inclined to the radial direction. This Oblique flattening, also through a transition radius can be replaced, breaks the groove edges and serves the Avoidance of an unwanted transverse crack in the event of an overlap adjacent cutting discs in the groove area.
  • the groove depth 48 which is the radial distance between the groove base 45 and the imaginary arcuate extension of the radial Corresponds to the circumferential surface in the central region of the groove in the embodiment shown to the center distance of the Adapted cutting shafts and the diameter of the cutting discs, that it is greater than the maximum overlap 49 of the adjacent cutting disks in the cutting engagement.
  • This overlap 49 (FIG. 6) is calculated as Difference between the sum of the maximum cutting wheel radii interacting cutting rollers and the center distance the cutting rollers. That adjacent to the cutting disc 41
  • the cutting disc 50 is 90 ° relative to the latter about the axis 42 twisted while the subsequent cutting disc 51 again aligned with the front cutting disc 41 and the rear Cutting disc 52 with the second cutting disc 50, etc.
  • FIG. 6 shows an axial section of the cutting unit in the material feed direction considered, with the cutting rollers opposite the 4 rotated by, for example, approximately 30 ° are so that the grooves can be seen in an oblique view.
  • the overlap area standing groove 44 of the disk 41 are for clarification groove-limiting surfaces with the reference numerals given in Fig. 4 featured. It can be seen that with further counter-rotation of the cutting rollers the grooves themselves offset opposing cutting disks at the same time run into the cutting gap 19 or meet (see Fig. 7). This results in an axial direction repetitive sequence of different intervention conditions between interacting cutting disks.
  • the flat material 60 enters the overlap region in the horizontal feed direction 61 the cutting discs and is everywhere where the cutting edges of interacting cutting disks overlap if necessary, separated by shear, where in each case the width of the resulting strip sections essentially the width of the cutting discs corresponds.
  • the cutting separation of the Material each time the material enters the general lenticular overlap area (between the points 62 and 63 in Fig. 7) and continues as it progresses Rotation of the cutting rollers while pulling material into the Cutting gap continues, as long as cutting edges are axially aligned opposite.
  • the material is on both sides of the Cut from the adjacent cutting discs in the in each case assigned to the cutting disc, opposite Gap pushed in, resulting in deformation of neighboring Strip sections in opposite directions relative to the normally flat neutral surface 64 of the flat material leads.
  • the progressing in the longitudinal direction Strip cutting is interrupted as soon as the cutting intervention is lifted between interacting cutting disks. In the example shown, this is the case where the grooves 56, 58 meet.
  • the one in this area Flat material remains largely intact and uncut and forms a connection area 67 which is transverse connects adjacent strip sections and holds together. It it is obvious that the length of the interruption of the Longitudinal section of the circumferential extent of the groove section depends on the deeper than the maximum overlap depth is.
  • the shown in Fig. 8 from single-ply corrugated cardboard 60 by means of the device described padding material consists of 68 parallel to each other in the longitudinal direction Strip sections 65, 66, the width of which in the transverse direction 69 is determined by the width of the cutting discs and in the example is approximately 4 mm. Adjacent in the transverse direction 69 Strip sections hang in the range from longitudinally spaced connection areas 67 with each other together, the length of the connection areas essentially is determined by the groove widths of the knife disks and can be, for example, about 6 to 8 mm.
  • connection areas or Cut breaks between individual strips alternately offset against each other In the middle across the area shown connecting zone 70 is the front strip section 65 with the next strip section 66 connected. Also to the next section of the strip 71 and the adjacent strip 72 a connecting zone of approximately the same width. Between stripes 72 and the neighboring strip 73, on the other hand, run in the longitudinal direction running cut transverse to the connection zone 70, through which the contiguous group of four neighboring Strips 65, 66, 71, 72 in this area from the neighboring one Group of four in the same way connected strips is separated. The separation causes these streak groups refer to opposite directions if necessary can bend the flat material surface. These four stripes comprehensive periodicity is related to by the 6 explained sequence of cutting interventions I, II, III, IV and V causes, those passing through the connection zone 70 Longitudinal cuts in the area of the cutting operations I and V are generated.
  • connection zone 74 following in the longitudinal direction lie the dividing the connecting zone in the longitudinal direction Longitudinal cuts offset by two stripe widths in the transverse direction, so that e.g. between strips 66 and 71 continuous cut.
  • transverse direction there is an elastic Extensibility, so that the material without tearing e.g. be pulled apart to twice its width can. This results in an expanded metal-like structure of the exploded upholstery material, the connecting areas stand at an angle to the direction of stretching.
  • FIG. 9 shows a possible arrangement with an inverter 112 as the first converter using a direct current is fed and three-phase alternating current or three-phase current any frequency, shape and amplitude.
  • the inverter 112 of the rectifier 114 which consists of single-phase Alternating current makes a direct current. That's why he's at one AC connector 115 connected, for example a common single-phase power outlet in an office.
  • the inverter 112 is via a three-phase connection line 117 with a three-phase motor 118 as the drive electric motor (corresponds to the motor 10 from Fig.2) connected.
  • the Three-phase motor 118 has, in particular at one shaft end 119, a speed sensor 120, the speed and / or location of the rotor of the motor 118 is detected.
  • the data is transferred via a Return 121 returned to inverter 112. She can regulate the supply of the three-phase motor 118 be used.
  • the motor 118 drives this according to FIG. 2 Cutting unit 5, which the from the engine via the gear 11 driven, intermeshing cutting rollers 7 and 9 having.
  • the inverter 112 can be supplied with one possibly much higher than that at the AC connection 115 lying voltage.
  • FIG. 10 shows a dashed line 123 of a Capacitor motor compared to a characteristic curve 125 of a Three-phase motor.
  • the torque M is plotted over the Speed n, which is correlated with the operating frequency.
  • the characteristic curve 125 of the three-phase motor the starting torque is higher than the characteristic curve 123 of the Capacitor motor, as well as the breakdown torque, that's the area of the maximum moment M.
  • the pronounced Saddle area of characteristic curve 123 the lower area Speeds following the starting torque.
  • FIG. 11 shows a diagram in which an operating characteristic field is shown.
  • the torque M is plotted against the ratio of the operating frequency f to the nominal frequency f N.
  • characteristic curve 125 There are laterally shifted characteristic curves, similar to characteristic curve 125 from FIG. 2.
  • Their maxima that is to say the tilting moments, form an envelope shown in dash-dotted lines, which first runs horizontally and then falls approximately parabolically.
  • the power P of the motor is also plotted over f / f N , but dotted.
  • f / f N is 1.
  • the corner frequency f eck is also 50 Hz, the ratio of the two to each other is therefore 1.
  • the power curve begins as a straight line of origin and runs off f / f N is 1 as a constant. This means that the power of the motor increases up to the corner frequency f eck at f / f N and remains approximately the same from the corner frequency.
  • Voltage and output power are proportional to each other in the squirrel-cage motor.
  • the nominal frequency can be selected to be greater than 50 Hz, for example 120 Hz.
  • the first operating point 127 with M1 has its almost maximum torque at f / f N less than 1.
  • This first operating point 127 is taken by setting the frequency f less than f N via the inverter 112 for handling large quantities of cardboard or thicker qualities in a device for producing upholstery material. Although the cutting speed drops, the maximum torque is almost there. An increase in torque is possible by increasing the voltage below f N.
  • the second operating point 129 was selected at a frequency significantly greater than f N. Although the torque M 2 obtained is considerably lower than that of the first operating point 127, the frequency f and consequently the cutting speed are approximately twice as high. This second operating point 129 is preferably selected to cope with thinner cushion material to be produced.
  • the dash-dotted curve 128 is the curve on which all operating points lie.
  • the motor In the range up to f equal to f N , the motor is driven with a constant magnetic flux.
  • the tipping moment remains constant. If the voltage reaches its maximum value, only the frequency is increased further. The magnetic flux and with it the available torque decrease due to field weakening. As a result, the tipping moment decreases quadratically with an essentially constant power.
  • the motor torque output can be increased by appropriate selection of the voltage control characteristic (variation of the cut-off frequency) and the motor output can thus be optimized.
  • the motor registers during initial operation in the field weakening area a low load or quantity of raw material, so it continues to operate in this area. To monitoring of the current is advantageous. Will be against The inverter regulates the supply of stronger starting material 112 the frequency back to corner frequency. Becomes moreover, even stronger or more raw material fed, the inverter controls the frequency as well optionally the voltage back to the maximum torque of the Motors to control. Reach frequency and / or voltage a lower threshold or the motor current an upper one Threshold value, the motor 118 is switched off.
  • a device according to the invention can be in one device the inverter 112 for the production of upholstery material and the rectifier 114 and a DC link 113 included. This way, a compact as well device that is easy to connect. This is then only to a normal single-phase mains socket by plugging in.

Landscapes

  • Crushing And Pulverization Processes (AREA)
  • Gasket Seals (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Body Structure For Vehicles (AREA)
EP00101066A 1999-01-21 2000-01-20 Procedé et dispositif pour la fabrication de matériaux de rembourrage et matériaux ainsi produits Expired - Lifetime EP1022123B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19902227 1999-01-21
DE1999102227 DE19902227A1 (de) 1999-01-21 1999-01-21 Verfahren und Vorrichtung zum Betreiben eines Elektromotors eines Dokumentenvernichters
DE19911628 1999-03-16
DE19911628A DE19911628A1 (de) 1999-03-16 1999-03-16 Verfahren und Vorrichtung zur Herstellung von Polstermaterial sowie Polstermaterial

Publications (3)

Publication Number Publication Date
EP1022123A2 true EP1022123A2 (fr) 2000-07-26
EP1022123A3 EP1022123A3 (fr) 2002-05-29
EP1022123B1 EP1022123B1 (fr) 2005-05-04

Family

ID=26051413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101066A Expired - Lifetime EP1022123B1 (fr) 1999-01-21 2000-01-20 Procedé et dispositif pour la fabrication de matériaux de rembourrage et matériaux ainsi produits

Country Status (6)

Country Link
US (1) US6419867B1 (fr)
EP (1) EP1022123B1 (fr)
CN (1) CN100398311C (fr)
AT (1) ATE294698T1 (fr)
DE (1) DE50010197D1 (fr)
ES (1) ES2243150T3 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9205621B2 (en) * 2005-01-26 2015-12-08 Ranpak Corp. Apparatus and method for making a wrappable packaging product
JP2008137665A (ja) * 2006-11-30 2008-06-19 Fujitsu Ltd 緩衝機能付き梱包
US8008882B2 (en) * 2007-11-16 2011-08-30 Michilin Prosperity Co., Ltd. Rotation speed controlling system for shredder motor
US8770749B2 (en) 2010-04-15 2014-07-08 Oakley, Inc. Eyewear with chroma enhancement
EP2769262A4 (fr) 2011-10-20 2015-04-01 Oakley Inc Oculaire ayant une agglomération de chromie
JP5991694B2 (ja) * 2013-07-17 2016-09-14 株式会社ソニー・インタラクティブエンタテインメント 光ディスクドライブ
WO2016077728A1 (fr) * 2014-11-13 2016-05-19 Ranpak Corporation Appareil et procédé pour l'expansion d'un matériau en feuilles à fentes pour former un produit d'emballage expansé
US10093438B2 (en) * 2014-12-29 2018-10-09 Packsize Llc Converting machine
CA2985793A1 (fr) 2015-05-13 2016-11-17 Ranpak Corp. Ensemble d'alimentation en materiau de charge et procede de chargement d'une machine de transformation en produit de calage
CN105364987A (zh) * 2015-12-18 2016-03-02 南京工程学院 一种用于硬质包装袋的修边器
EP3609694B1 (fr) * 2017-04-10 2021-04-28 Ranpak Corp. Matériau de papier à feuille fendue extensible, système de conversion en produit de calage et procédé d'extension
US11020930B2 (en) * 2017-05-11 2021-06-01 Pregis Innovative Packaging Llc Splice member on stock material units for a dunnage conversion machine
DE102018121618A1 (de) * 2018-09-05 2020-03-05 Hauni Maschinenbau Gmbh Trennvorrichtung und Verfahren zum Auftrennen einer Flachbahn in eine Vielzahl von verbundenen Streifen sowie Vorrichtung und Verfahren zum Herstellen eines Strangs
GB2593957B (en) * 2020-11-06 2022-05-11 Corridoor Ltd Structure formation apparatus, method and structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523382A2 (fr) * 1991-06-17 1993-01-20 Sealed Air Corporation Dispositif pour la fabrication de matière de garnissage à partir de bandes continues
EP0560465A2 (fr) * 1988-12-06 1993-09-15 Ghaleb Mohammad Yassin Alhamad Shaikh Produit métallique pour l'utilisation dans l'extinction des incendies et la prévention des explosions
US5439730A (en) * 1992-09-11 1995-08-08 Productive Solutions, Inc. Flowable loose packing dunnage
US5667871A (en) * 1992-03-16 1997-09-16 Geopax Ltd. Slit sheet packing material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754974A (fr) * 1969-06-27 1971-02-18 Cellu Prod Co Procede de fabrication de materiaux thermoplastiques reticulaires ou analogues, produits pour son execution et articles ainsi obtenus,
CH644478A5 (fr) 1981-12-18 1984-07-31 Cerac Inst Sa Procede et moyens pour alimenter en energie electrique un outil portatif.
JPS58181620A (ja) * 1982-04-20 1983-10-24 Tohoku Polymer Kk 包装用網状材の製造方法およびその装置
US5207756A (en) 1988-12-06 1993-05-04 Shaikh G. M. Y. Alhamad Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
DE19627599A1 (de) 1996-07-09 1998-01-15 Schleicher & Co Int Dokumentenvernichter
DE19629564C2 (de) 1996-07-15 2000-10-19 Glibitski Marks Kleiner Hochleistungselektroantrieb für Asynchron-, Synchron -und andere Wechselstrommotoren
DE19835093A1 (de) 1997-07-25 1999-02-25 Fellowes Mfg Co Vorrichtung zum Steuern eines Papierschredders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0560465A2 (fr) * 1988-12-06 1993-09-15 Ghaleb Mohammad Yassin Alhamad Shaikh Produit métallique pour l'utilisation dans l'extinction des incendies et la prévention des explosions
EP0523382A2 (fr) * 1991-06-17 1993-01-20 Sealed Air Corporation Dispositif pour la fabrication de matière de garnissage à partir de bandes continues
US5667871A (en) * 1992-03-16 1997-09-16 Geopax Ltd. Slit sheet packing material
US5439730A (en) * 1992-09-11 1995-08-08 Productive Solutions, Inc. Flowable loose packing dunnage

Also Published As

Publication number Publication date
CN1268473A (zh) 2000-10-04
ES2243150T3 (es) 2005-12-01
EP1022123B1 (fr) 2005-05-04
US6419867B1 (en) 2002-07-16
CN100398311C (zh) 2008-07-02
DE50010197D1 (de) 2005-06-09
EP1022123A3 (fr) 2002-05-29
ATE294698T1 (de) 2005-05-15

Similar Documents

Publication Publication Date Title
DE3313103C2 (fr)
EP1022123B1 (fr) Procedé et dispositif pour la fabrication de matériaux de rembourrage et matériaux ainsi produits
EP2276600B1 (fr) Fraise à queue présentant différents angles d'inclinaison
DE202007010399U1 (de) Schneidklinge und drehende Schneidanordnung für Schredder
DE69630243T2 (de) Verfahren und vorrichtung zur herstellung von geschnittetem käse
DE2812807A1 (de) Vorrichtung zur zerkleinerung blattfoermigen materials, beispielsweise von papierblaettern
DE2100204C3 (de) Vorrichtung zum Herstellen selbstschneidender Schrauben durch Walzen eines Gewindes in einen Rohling
DE3112639C2 (fr)
EP0447854B1 (fr) Dispositif de coupe pour destructeur de documents
DE3133358C2 (fr)
DE2823245C2 (de) Schneidsatz für eine Vorrichtung zum Zerkleinern von Nahrungsmitteln
DE69908389T2 (de) Maschine zum herstellen von polstermaterial und einrichtung zum perforationsheften
EP3034219A1 (fr) Procédé de décolletage en développante à stratégie à plusieurs coupes
DE2659231A1 (de) Aktenvernichter
EP2698207B1 (fr) Système de coupe à deux arbres à plusieurs niveaux
DE3234485A1 (de) Zerkleinerungsvorrichtung fuer abfall
DE19911628A1 (de) Verfahren und Vorrichtung zur Herstellung von Polstermaterial sowie Polstermaterial
DE1475509B1 (de) Kernringlose hydrodynamische Kupplung mit konstanter Fuellung
DE102015100314B4 (de) Motor mit nicht-kreisförmigen Statorkern, Vorrichtung zur Herstellung eines Motors und Motor-Herstellungsverfahren
EP3127614B2 (fr) Broyeur a cylindres ayant un mode de fonctionnement couper/couper et mode de fonctionnement dos/dos
CH690323A5 (de) Verfahren und Vorrichtung zum Schneiden von kontinuierlich geforderten, flochigen Produkten insbesondere aus Papier.
DE2310997A1 (de) Messerkopf fuer gutter
DE602004008495T2 (de) Industrieller Schredder
DE1782067A1 (de) Verfahren und Vorrichtung zum Schneiden von blattfoermigem Gut,insbesondere von Tabakblaettern
EP0730908B1 (fr) Déchiqueteur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020928

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RTI1 Title (correction)

Free format text: CLAIMS 1-16 CONCERN A MACHINE AND METHOD FOR MANUFACTURING INFLATABLE CUSHIONS COMPRISING ELECTRICAL CONTACTS AND ADJUSTA

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: PROCESS AND DEVICE FOR PRODUCTION OF CUSHIONING MATERIAL AND THE CUSHIONING MATERIAL SO PRODUCED

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

RTI1 Title (correction)

Free format text: PROCESS AND DEVICE FOR PRODUCTION OF CUSHIONING MATERIAL AND THE CUSHIONING MATERIAL SO PRODUCED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050504

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50010197

Country of ref document: DE

Date of ref document: 20050609

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050804

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050804

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: MARTIN YALE INTERNATIONAL GMBH

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: MARTIN YALE INTERNATIONAL GMBH

Free format text: SCHLEICHER & CO. INTERNATIONAL AKTIENGESELLSCHAFT#BERGHEIMER STRASSE 6-12#D-88677 MARKDORF/BODENSEE (DE) -TRANSFER TO- MARTIN YALE INTERNATIONAL GMBH#BERGHEIMER STRASSE 6-12#88677 MARKDORF/BODENSEE (DE)

Ref country code: CH

Ref legal event code: NV

Representative=s name: ZIMMERLI, WAGNER & PARTNER AG

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20050812

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051017

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: MARTIN YALE INTERNATIONAL GMBH

Effective date: 20050831

NLS Nl: assignments of ep-patents

Owner name: MARTIN YALE INTERNATIONAL GMBH

Effective date: 20050915

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2243150

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060131

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
26N No opposition filed

Effective date: 20060207

BERE Be: lapsed

Owner name: SCHLEICHER & CO. INTERNATIONAL A.G.

Effective date: 20060131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050504

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: MARTIN YALE INTERNATIONAL GMBH

Free format text: MARTIN YALE INTERNATIONAL GMBH#BERGHEIMER STRASSE 6-12#88677 MARKDORF/BODENSEE (DE) -TRANSFER TO- MARTIN YALE INTERNATIONAL GMBH#BERGHEIMER STRASSE 6-12#88677 MARKDORF/BODENSEE (DE)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120126

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IE

Payment date: 20130121

Year of fee payment: 14

Ref country code: CH

Payment date: 20130123

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20130121

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20130121

Year of fee payment: 14

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: WAGNER PATENT AG, CH

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20140123

Year of fee payment: 15

Ref country code: DE

Payment date: 20140124

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20140122

Year of fee payment: 15

Ref country code: FR

Payment date: 20140124

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20140123

Year of fee payment: 15

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20140801

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 294698

Country of ref document: AT

Kind code of ref document: T

Effective date: 20140120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140801

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140120

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50010197

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20150120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150120

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20150930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150121

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150202

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20160226

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140120