EP1974878A1 - Dispositif de coupe rotatif - Google Patents

Dispositif de coupe rotatif Download PDF

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Publication number
EP1974878A1
EP1974878A1 EP20080152648 EP08152648A EP1974878A1 EP 1974878 A1 EP1974878 A1 EP 1974878A1 EP 20080152648 EP20080152648 EP 20080152648 EP 08152648 A EP08152648 A EP 08152648A EP 1974878 A1 EP1974878 A1 EP 1974878A1
Authority
EP
European Patent Office
Prior art keywords
roller
counter
cutting
cutting device
inner core
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
EP20080152648
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German (de)
English (en)
Other versions
EP1974878B1 (fr
Inventor
Wilhelm Aichele
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Individual
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Individual
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Filing date
Publication date
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Publication of EP1974878A1 publication Critical patent/EP1974878A1/fr
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Publication of EP1974878B1 publication Critical patent/EP1974878B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B26D2007/202—Rollers or cylinders being pivoted during operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup

Definitions

  • the invention relates to a rotary cutting device, comprising a machine frame, a cutting roll rotatably mounted on the machine frame and a counter roll mounted on the machine frame, wherein the cutting roll and / or the counter roll have an inner core and an outer sleeve arranged around the inner core.
  • a cutting device in which the cutting tool is biased substantially parallel to a rotation axis.
  • the cutting tool has an outer sleeve on which a cutting edge sits, and an inner part, wherein the outer sleeve and the inner part are clamped against each other with a clamping force action substantially parallel to a rotational axis of the cutting tool.
  • a device for punching and / or embossing of webs is known, with a punching cylinder and a counter-pressure cylinder, between which a material web is feasible, wherein the distance between the punching cylinder and the impression cylinder is adjustable and the impression cylinder mounted on a fixed axis rotatable sleeve having. On the axes of several bearings are provided, the game is adjustable via at least one clamping unit.
  • a radially adjustable anvil roll assembly for use with a die iron roll of a rotary die press.
  • the anvil roll assembly includes a cylindrical sleeve having an internal bore, a shaft extending through the internal bore of the sleeve, the shaft being mountable on the rotary die press for selective rotation with respect to the press and selective rotation of the shaft independent of the rotation of the die roller of the press, as well as a idler roller means mounted on the shaft for maintaining a fixed distance between rotation axes of the shaft and the die roller.
  • At least one cam assembly is provided which is eccentrically mounted on the shaft inside the sleeve inner bore, the cam assembly having a radial adjustment of the sleeve with respect to the die roller and the press in response to rotation of the shaft in any one infinite number of individual positions in relation to the press.
  • the invention has for its object to provide a rotary cutting device of the type mentioned, which provides a high quality cutting with a simple structure.
  • the outer sleeve is not supported over its entire inner surface on the inner core, but only by at least one "discrete” abutment.
  • the at least one counter-bearing can be arranged both on the cutting roller and on the counter-roller or only on the counter-roller or only on the cutting roller.
  • the at least one abutment By means of the at least one abutment, it is possible to set a defined force flow on the cutting roller and / or mating roller, via which it is achievable that the outer sleeve or outer sleeves bend less strongly when the action of cutting forces than the inner core or inner cores.
  • the fundamental problem that, since the cutting roller and the counter-roller are clamped on at least one side of the machine frame, they bend.
  • the mating roll bends away from the cutting roll and the cutting roll bends away from the mating roll. This results in an increased distance between the surfaces of the cutting roller and the counter roll, which can lead to a deterioration of the cutting quality.
  • the bending of the cutting roller and / or counter-roller on the surface can be reduced since forces can be diverted away from the outer sleeve into the inner core and from there via a bearing.
  • an appropriate arrangement of the at least one thrust bearing can thereby reduce the relative deflection on the surface of the cutting roller and / or counter-roller.
  • the arrangement and design of the at least one abutment depends on the particular application.
  • the at least one abutment is arranged and designed such that forces which are exerted on one another by the cutting roller and counter-roller can be defined via the at least one abutment on the counter-roller and / or cutting roller. It can be a force flow at the counter roll and / or cutting roller reach, in which the deflection of the outer sleeve is smaller than the deflection of the inner core.
  • the at least one anvil is arranged and designed such that the outer sleeve is movable relative to the inner core by elastic deformation. Due to a relative mobility between outer sleeve and inner core, a relative deflection between outer sleeve and inner core is possible. As a result, it is possible that the outer sleeve deflects less than the inner sleeve when cutting forces act.
  • the at least one counterbearing prefferably be arranged and configured in such a way that deflection of the outer sleeve during a cutting operation is smaller than a deflection of the inner core.
  • a gap (clearance) is outside of the at least one thrust bearing between the outer sleeve and the inner sleeve.
  • the height of this clearance (in the radial direction) may be in an order of magnitude of, for example, between 2 ⁇ m and 100 ⁇ m. He can be taller too be.
  • the at least one counter bearing is arranged and designed such that an at least approximately symmetrical force flow based on the cutting roller length and / or counter roller length results on the cutting roller and / or counter roller during a cutting operation.
  • the force flow is in particular symmetrical to a central transverse plane (which is perpendicular to the axis of rotation) of the cutting roller and / or counter-roller. It can thereby achieve a minimized deflection on the surface of the cutting roller, which is symmetrical to said center plane.
  • the at least one counter bearing is formed for example by a plurality of balls, which are arranged on the inner core.
  • the at least one abutment comprises an annular region, which is arranged on the inner core.
  • the ring area surrounds in particular band-shaped inner core.
  • the annular region is formed for example by a ring element, which is arranged on the inner core.
  • the annular region can also be formed in one piece on the inner core.
  • the width of a ring portion is smaller than the total length of the respective counter roll or cutting roll and in particular considerably smaller. It is for example at most 30% of the total length. In principle, it is advantageous if the annular region has the smallest possible width. At the ring area, where forces are transmitted, must however, the specific surface pressure is within the elastic range. This defines the minimum extent of the ring area.
  • the outer sleeve is fixed to the at least one anvil, for example via form-locking elements.
  • the outer sleeve can be fixed radially and axially with respect to the inner core in a simple manner.
  • At least one seal is arranged between the outer sleeve and the inner core.
  • the seal is arranged in particular on one or more end faces of the outer sleeve. It can thereby seal a gap between the outer sleeve and the inner core.
  • the at least one anvil is arranged symmetrically on the cutting roller and / or counter-roller. If, for example, a single abutment for the cutting roller or counter-roller is provided, then this is arranged centrally (relative to a counter-roller length or cutting roller length). If a plurality of abutment are provided, then these are arranged in particular symmetrically to a median plane of the backing roll or cutting roll.
  • the cutting roller has an outer sleeve, that one or more cutting edges are arranged on the outer sleeve of the cutting roller.
  • the cutting roller and the counter-roller are each provided with at least one abutment, arranged opposing bearing opposite.
  • An abutment of the cutting roller and an abutment of the counter-roller then face each other.
  • the abutments are aligned in a direction transverse to an axis of rotation of the cutting roller.
  • the cutting roller is supported on the counter-roller via at least one support ring.
  • the at least one support ring can be arranged on the cutting roller or the counter-roller.
  • a first support ring and a second support ring are then provided, wherein the at least one abutment is arranged on the counter-roller and / or cutting roller between the first support ring and the second support ring.
  • the counter-roller is in particular rotatably mounted. It can be directly driven (via its own drive or via a transmission device which is connected to the drive of the cutting roller). It is also possible in principle that the counter-roller is driven by frictional engagement with material to be fed.
  • the cutting roller is mounted on both sides of the machine frame. It is then provided in particular a first pivot bearing and a spaced second pivot bearing.
  • the counter-roller is mounted on both sides of the machine frame.
  • the cutting roller is mounted on one side (rotatable, for example, via a single bearing) on the machine frame.
  • Such a rotary cutting device with cantilevered cutting roller can be compact.
  • the counter-roller is mounted on one side "flying" on the machine frame.
  • one or more cross-cutters are arranged on the cutting roller.
  • the rotary cutting device is designed as a cross-cutting device. It can thereby be separated, for example, webs of material with a high cutting rate.
  • one or more longitudinal cutting edges are arranged on the cutting roller.
  • cutting edges are designed so that it is possible to introduce contour cuts.
  • a first embodiment of a rotary cutting device according to the invention which in FIG. 1 shown and designated therein by 10 is realized as a rotary cutting machine. It comprises a machine frame 12, which is designed like a stand. The machine frame 12 has opposite uprights 14 which are connected by a bottom bridge 16 and a top bridge 18. About the bottom bridge 16, the rotary cutting device 10 is placed on a base.
  • the respective uprights 14 in turn comprise opposite uprights 20a, 20b.
  • each a cutting roller 22 and a counter-roller 24 (anvil roller) rotatably mounted.
  • the cutting roller 22 is mounted rotatably about an axis 28 via opposite rotary bearings 26. In FIG. 1 the axis 28 is perpendicular to the plane of the drawing.
  • the cutting roller 22 is associated with a drive for the rotational movement (not shown in the drawing). Via a biasing device 30, the cutting roller 22 can be pressed against the counter-roller 24.
  • the cutting roller 22 is supported on opposite support rings 32 on a surface 34 of the counter-roller 24.
  • the counter-roller 24 is provided with support rings, which are supported on a surface of the cutting roller 22.
  • the pivot bearings 26 for the cutting roller 22 are arranged on a respective bearing device 36, which is linearly displaceable on the machine frame 12.
  • the bearing means 36 as a whole including the pivot bearings 26 and the cutting roller 22
  • the cutting roller 22 has one or more cutting edges 38, which are arranged between the support rings 32.
  • the counter-roller 24 is likewise rotatably mounted about an axis 42 via opposite rotary bearings 40, which are arranged on the respective stator 14.
  • the axis 42 is parallel to the axis 28.
  • a material 44 to be cut which in particular is in the form of a web, is carried out between the counter-roller 24 and the cutting roller 22 between the support rings 32.
  • the counter roll 24 and the cutting roll 22 rotate in opposite directions to each other.
  • the biasing means 30 the cutting roller 22 is pressed to exert a cutting force against the counter-roller 24.
  • the counter-roller 24 has an inner core 46 ( FIGS. 2 to 4 ).
  • the inner core is in particular cylindrically shaped and rotationally symmetrical about an axis 48 which coincides with the axis of rotation 42.
  • first stub shaft 50 and a second stub shaft 52 are arranged, which serve for pivotal mounting of the counter-roller 24.
  • a first counter bearing 54a and a second counter bearing 54b are arranged in the embodiment shown. These abutments 54a, 54b are annular and arranged on the inner core 46 in the manner of a band.
  • the anvils 54a, 54b may be integrally connected to the inner core 46 or may be separate parts, which are fixed to the inner core 46.
  • the first abutment 54a and the second abutment 54b have, as in FIG. 5 indicated, a larger radius r 1 as a surface area 56 (radius r 2 ) of the inner core 46 outside the anvil 54a, 54b.
  • the anvils 54a, 54b are thereby stepped above the surface region 56. They each have a contact region 58, which is radially spaced from the surface region 56 of the inner core 46.
  • the abutments 54a, 54b are "discrete" supports having a width (parallel to the axis 48) which is significantly smaller than the total length of the backing roll 24. More specifically, this width is less than 30% of the total length.
  • the smaller the width of an abutment 54a, 54b the more advantageous it is for the introduction of force.
  • the smaller the width the less the mobility of the outer sleeve 60 relative to the inner core 46 is hindered.
  • the specific surface pressure acting on an abutment is still within the elastic range of the anvil, so that no plastic deformation can take place.
  • the relative width of an abutment relative to the total length of a cutting roller or counter-roller may also be in a range of 0.5% or less. The extent depends on the specific circumstances of the corresponding rotary cutting device.
  • the counter-roller 24 also has an outer sleeve 60, on which the surface 34 of the counter-roller 24 is formed. This surface 34 is in particular cylindrical.
  • the outer sleeve 60 has the shape of a hollow cylinder. The cutting roller 22 with the support rings 32 acts on this outer sleeve 60th
  • the outer sleeve 60 is supported on the discrete counter bearings 54a, 54b; the outer sleeve 60 is not supported over the entire surface area 56 on the inner core 46, but only on the contact areas 58 of the abutment 54a, 54b. Between an inner side 62 of the outer sleeve 60 and the surface region 56 of the inner core 46, a gap 64 is formed. This intermediate space 64 permits a relative deflection between the outer sleeve 60 and the inner core 46, in particular via different elastic deformation of the inner core 46 and the outer sleeve 60.
  • the first abutment 54a and the second abutment 54b are arranged symmetrically on the inner core 46. They have the same distance to a median plane 66 of the counter-roller 24. The center plane 66 is perpendicular to the axis 48. Further, the first abutment 54a has the same distance to a first end 68a of the inner core 46 (outside of the first stub shaft 50) as the second abutment 54b to an opposite second front end 68b.
  • the outer sleeve 60 is fixed relative to the inner core 46.
  • it is fixed on the inner core 46 via form-fitting means via the abutments 54a, 54b.
  • the outer sleeve 60 is axially clamped.
  • opposite support disks 70a, 70b are provided, which are arranged in the vicinity of the respective first front end 68a and second front end 68b.
  • a respective seal 72a, 72b is arranged, this seal in particular has the shape of an O-ring.
  • the support disks 70a, 70b are retained on the inner core 46 via respective circlips 74a, 74b in a direction away from the outer sleeve 60.
  • a height h of the gap 64 is for example in the range between 2 microns and 100 microns, depending on the application.
  • the height h can also be smaller or larger than just mentioned.
  • the counter-roller 24 is provided with at least one counter-bearing as described. It may alternatively or additionally be provided that the cutting roller 22 is provided with one or more abutments. The structure and arrangement of such an abutment on the cutting roller 22 is basically the same as described in connection with the counter-roller 24.
  • the cutting roller 22 is pressed by the biasing means 30 against the counter roll.
  • a force is exerted on the counter-roller 24 and on the cutting roller 22, a counter force is exerted.
  • the counter-roller 24 is clamped via its rotary bearings 40 in the region of the first stub shaft 50 and the second stub shaft 52 on the machine frame 12, respectively. This is in FIG. 6 indicated by the support points 76a, 76b.
  • forces 78 are exerted from the direction of the cutting roller ago. In the embodiment shown, these forces 78 act with respect to the direction of gravity g from above. These forces 78 cause a deflection of the counter roll 24 (especially the inner core 46) down.
  • FIG. 6 is a diagram for a counter-roller having a diameter of 50 mm, in which the deflection dy of the inner core 46 over the length 1 of the counter-roller 24 is shown. In this case, cutting forces in the order of 125 N / mm were exercised.
  • the inner core 46 undergoes a deflection of the order of magnitude of 22 ⁇ m downwards.
  • FIG. 7 the cutting roller 22 is shown with a stub shaft 80a and a stub shaft 80b.
  • a force is exerted in the direction of the counter roll 24. In the embodiment shown, this is a force parallel to the direction of gravity g.
  • the cutting roller 22 is clamped at the top. This is in FIG. 7 indicated by support points 82a, 82b.
  • the cutting roller 22 is bent upwards.
  • an inner core of the cutting roller 22, when having such an inner core bent upwards.
  • FIG. 7 2 a diagram is shown for the deflection of the cutting roller or of an inner core of the cutting roller over the length I of the cutting roller 22.
  • the data correspond to a cutting roller with a diameter of 40 mm with acting cutting forces of 125 N / mm.
  • the outer sleeve 60 is supported on the inner core 46 via the counter bearings 54a, 54b.
  • This support can be provided both for the cutting roller 22 and for the counter-roller 24 or only for the cutting roller 22 or only for the counter-roller 24.
  • It can thereby initiate defined forces during the cutting process and in particular cutting forces and derived.
  • Cutting forces can be introduced from the outer sleeve 60 into the inner core 46 via the abutments 54a, 54b and thereby derive via the corresponding pivot bearings 26 and 40, respectively.
  • the outer sleeve 60 is bent less strong than the corresponding inner core 46. This is greatly exaggerated in FIG. 8 indicated.
  • the outer sleeve 60 also experiences an elastic deformation and deflection.
  • the deformation of the outer sleeve 60 can be significantly lower than that of the inner core 46. This results in the construction of cutting forces a relative deflection or relative movement between the outer shell 60 and the inner core 46.
  • the outer sleeve 60 is less arcuate than the inner core 46, then with respect to the starting point without acting cutting forces, the surface 34 of the outer sleeve 60 (when it comes to the outer sleeve of the backing roll 24) less deflected than the inner core 46.
  • the deviation of the surface 34 of the outer sleeve 60 from the "ideal line" is less strong than if no discrete counter bearings 54a, 54b are provided.
  • the relative deflection of the surface 34 to the cutting roller 22 is less strong and gives better cutting results.
  • thereby longer counter-rollers 24 can be used with a smaller diameter.
  • one or more abutments are provided. These counter-bearings are arranged and designed such that a symmetrical force flow results on the cutting roller 22 or the counter-roller 24.
  • the power flow is in particular symmetrical to the center plane 66.
  • the outer solution 60 can be characterized less deform elastically than the corresponding inner core 46.
  • the rotary cutting device 10 is designed, for example, such that cutting edges are arranged on the cutting roller 22 which are arranged in a longitudinal direction (relative to a longitudinal direction 86 (FIG. FIG. 1 ) for transporting material 44) and in a transverse direction thereto.
  • a second embodiment of a rotary cutting device according to the invention which in FIG. 9 is shown and designated therein by 88, comprises a machine frame 90 on which basically the same as described above, a cutting roller 92 and a counter-roller 94 are each rotatably mounted are.
  • the counter-roller 94 is basically the same design as the counter-roller 24 as described above.
  • the cutting roller 92 is driven by, for example, a drive (not shown in the drawing).
  • a gear 98 is arranged, which engages in a gear 100 which is fixed in rotation with respect to the counter-roller 94.
  • the counter-roller 94 can also be driven by driving the cutting roller 92.
  • the cutting roller 92 has a first roller portion 102a and a second roller portion 102b, wherein these two roller portions 102a, 102b are spaced from each other.
  • a plurality of cross cutters 104 are respectively disposed. These cross cutters are evenly distributed. For example, they are spaced at an angle of 120 ° (relative to a cross section).
  • the transverse cutting edges 104 have a cutting surface 106, which is transverse and in particular perpendicular to a direction of transport of material through the rotary cutting device 88.
  • the cutting surfaces 106 are oriented parallel to a rotational axis 108 of the cutting roller 92.
  • an abutment 110a, 110b is arranged in a central region of each of the first roller portion 102a and the second roller portion 102b.
  • the anvil 110a, 110b is basically the same design as described above. In particular, these are annular regions which are arranged on a respective inner core 112 of the cutting roller 92.
  • the counter-roller 94 also has an inner core 114, on which spaced abutments 116a, 116b are arranged.
  • the counter bearings 116a, 116b are aligned with the counter bearings 110a, 110b and positioned directly opposite one another, so that a direct introduction of force to the counter bearings is possible.
  • the counter bearing 116a is then the counter bearing 110a opposite and the abutment 116b is opposite the abutment 110b.
  • a machine frame 120 is provided on the machine frame 120.
  • a first pivot bearing 122 is arranged for a counter-roller 124.
  • a second pivot bearing 126 is arranged on the machine frame 120 at a distance from the first pivot bearing 122, for example above it.
  • a cutting roller 128 is rotatably mounted. The cutting roller 128 and the counter roller 124 are thereby not each two-sided mounted on the machine frame 120, but held only on one side "flying" on the machine frame 120.
  • the cutting roller 128 has, for example, opposing support rings 130a, 130b. About these support rings 130a, 130b, the cutting roller 128 is supported on a surface 132 of the backing roll 124 from. It is also a version without support ring possible.
  • the cutting roller 128 is provided with cutting edges 134.
  • the blades 134 are adapted to the material to be cut.
  • Counter roll 124 and cutting roll 128 each have an inner core and respective outer sleeves 136 and 138 as described above.
  • the outer sleeve 138 of the cutting roller 128 is supported via a single abutment 140 on the corresponding inner core of the cutting roller 128.
  • the outer sleeve 136 of the counter-roller 124 is supported via an abutment 142 on the inner core of the counter-roller 124.
  • the abutments 140 and 142 are directly opposite to allow a direct application of force.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Rolling Contact Bearings (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
EP20080152648 2007-03-30 2008-03-12 Dispositif de coupe rotatif Active EP1974878B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710016451 DE102007016451A1 (de) 2007-03-30 2007-03-30 Rotationsschneidevorrichtung

Publications (2)

Publication Number Publication Date
EP1974878A1 true EP1974878A1 (fr) 2008-10-01
EP1974878B1 EP1974878B1 (fr) 2010-11-24

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EP20080152648 Active EP1974878B1 (fr) 2007-03-30 2008-03-12 Dispositif de coupe rotatif

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US (2) US20080237386A1 (fr)
EP (1) EP1974878B1 (fr)
AT (1) ATE489207T1 (fr)
DE (2) DE102007016451A1 (fr)

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WO2014019619A1 (fr) 2012-08-01 2014-02-06 Marbach Werkzeugbau Gmbh Dispositif cylindrique de façonnage de nappes de matériau équipé d'un système mélangeur servant à mélanger un fluide d'équilibrage de température
EP3246139B1 (fr) * 2016-05-16 2020-09-30 Tetra Laval Holdings & Finance S.A. Outil de coupe et procédé pour découper une bande ou feuille de matériau
EP3246140B1 (fr) * 2016-05-16 2019-06-26 Tetra Laval Holdings & Finance S.A. Unité de coupe et procédé de coupe
EP3246138B1 (fr) * 2016-05-16 2020-05-06 Tetra Laval Holdings & Finance S.A. Système de coupe et procédé pour découper une bande ou une feuille de matériau
EP3541708B1 (fr) * 2016-11-15 2022-05-11 Mespack Cloud, Llc Machine pour couper des poches ayant un bord péripherique façonné, procédé et poche
DE102018112310A1 (de) * 2018-05-23 2019-11-28 Aichele Werkzeuge Gmbh Rotationsschneidvorrichtung und Verfahren zum Betreiben einer Rotationsschneidvorrichtung

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FR2579507A1 (fr) 1985-03-28 1986-10-03 Gautier Jean Outil de decoupe rotatif
EP0263359A1 (fr) 1986-10-08 1988-04-13 Peters Maschinenfabrik GmbH Dispositif à coupe transversale
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EP0580576B1 (fr) 1991-04-12 1998-07-08 STANLEY, Melvin C. Ensemble radialement reglable de rouleau enclume pour presse rotative de decoupage a l'emporte-piece
EP0976510A2 (fr) 1998-07-29 2000-02-02 Aichele Werkzeuge GmbH & Co. KG Dispositif de coupe rotative
EP1180419A1 (fr) 2000-08-16 2002-02-20 Aichele Werkzeuge GmbH Appareil de coupe
EP1186387A2 (fr) 2000-09-09 2002-03-13 Aichele Werkzeuge GmbH Presse de découpage rotative
EP1238765A2 (fr) 2001-02-21 2002-09-11 Aichele Werkzeuge GmbH Outil de coupe précontraint ainsi que dispositif de coupe ayant un tel outil
DE102004033032A1 (de) 2004-07-07 2006-02-02 Spilker Gmbh Vorrichtung zum Stanzen und/oder Prägen von Materialbahnen
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DE102007016451A1 (de) 2008-10-02
ATE489207T1 (de) 2010-12-15
EP1974878B1 (fr) 2010-11-24
US20130036889A1 (en) 2013-02-14
US20080237386A1 (en) 2008-10-02
DE502008001855D1 (de) 2011-01-05

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