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
  • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
  • B26D3/10—Making cuts of other than simple rectilinear form
• • 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
  • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
  • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
  • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
  • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
  • B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
  • B26D1/18—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
  • B26D1/185—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage for thin material, e.g. for sheets, strips or the like
• • 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
  • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
  • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
  • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
  • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
  • B26D1/22—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
  • B26D1/225—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller for thin material, e.g. for sheets, strips or the like
• • 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
  • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
• • 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
  • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
  • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
• • 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
  • B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
• • 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
  • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
  • B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
  • B26F1/3826—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work using a rotary circular cutting member
• • 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
  • Y10T83/202—With product handling means
  • Y10T83/2066—By fluid current
  • Y10T83/207—By suction means
• • 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
  • Y10T83/647—With means to convey work relative to tool station
  • Y10T83/6584—Cut made parallel to direction of and during work movement
  • Y10T83/6587—Including plural, laterally spaced tools
• • 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
  • Y10T83/647—With means to convey work relative to tool station
  • Y10T83/6584—Cut made parallel to direction of and during work movement
  • Y10T83/6592—Interrelated work-conveying and tool-moving means
  • Y10T83/6595—With means to move tool laterally of feed direction during cutting

Definitions

• the present invention relates to a device for longitudinal cutting of a width of continuously moving material, in particular paper or the like, for cutting at least one strip along a variable longitudinal profile in random sequence, this device comprising at least a first pair of cutting tools cooperating with at least one counter-piece arranged perpendicular to the direction of travel of the width of material, at least one frame on which said movable cutting tools are mounted along a translation axis parallel to the counter-piece so as to modify the interval between the two cutting tools and along an axis of rotation perpendicular to the counter-piece so as to modify the cutting angle.
• Cutting devices for a continuously moving width are well known in the stationery field, for example in machines used for preparing mail where there are devices for cutting either envelopes or documents intended to be placed in envelopes.
• the documents to be cut from the same width of paper are identical, the shape and the cutting pitch being regular.
• the cutting tool is, therefore, formed of a cutting blade mounted on a rotary cylinder which makes it possible to cut, in the web of continuously moving paper, at least one profile or shape at each turn that the cylinder performs. , this profile or this form reproducing identically and cyclically.
• This type of cutting tools does not allow to cut random variable profiles or shapes that are not part of a reproducible sequence.
• Publication GB-702 116 describes another cutting device comprising two points or rollers provided on each side of the web width and each mounted at the end of an oscillating arm capable of moving laterally to cut the edges of the width of paper according to a non-rectilinear cutting profile.
• the lateral displacement of each cutting tool is obtained by a drive finger coupled to the swinging arm and guided in a cam profile provided in a rotary cylinder.
• the cutting profile obtained by this device is also cyclic, the path of the cutting tools being identical for each revolution of the cylinder.
• the present invention aims to overcome these drawbacks by proposing a cutting device making it possible to cut, in a width of continuously moving material, a variable longitudinal profile with random and controlled sequence, while being a device simple, economical, easy to set up and configure, and able to respond to high production rates.
• the invention relates to a cutting device of the kind indicated in the preamble, characterized in that each cutting tool is coupled to a drive mechanism in translation and a drive mechanism in rotation, these mechanisms being controlled from combined by at least one central control unit according to a cutting line with variable longitudinal profile with predetermined and controlled random sequence.
• the cutting tools can be chosen from the group comprising laser beams, ultra-sonic beams, water jets, cutting points, circular knives.
• this cutting device can comprise a second pair of cutting tools for cutting from the same width of material continuously passing a second strip according to a second variable longitudinal profile with a predetermined and controlled random sequence.
• each cutting tool is mounted on a carriage movable in translation on the frame along at least one transverse guide, the carriage being coupled to the drive mechanism in translation.
• the rotary drive mechanism advantageously comprises at least one actuator on board the mobile carriage and coupled to its cutting tool directly or by a mechanical transmission.
• the cutting device may include at least one pressing mechanism arranged to move the cutting tools between at least one raised rest position in which they are distant from the counter-piece and a lowered working position in which they are in pressure contact with the counter-piece.
• the pressing mechanism comprises at least one jack mounted on the mobile carriage and the cutting tool is carried by the jack rod, or vice versa, this rod defining the axis of rotation.
• the cutting tool may comprise a circular knife and a tangent circular counter knife carried by a support oscillating around said axis of rotation and coupled to the rotation drive mechanism.
• the counter-piece advantageously comprises the circular counter-knife extended by a roller and driven in rotation about its axis by an actuator on board the oscillating support.
• the translational drive mechanism comprises at least one actuator common to a pair of cutting tools and coupled to the mobile carriages by a mechanical transmission arranged to translate the mobile carriages in the opposite direction and synchronously .
• the actuators can be chosen from the group comprising motors, geared motors, servomotors, jacks, electromagnets, and mechanical transmissions can be chosen from the group comprising gears, pinions and racks, screws without end with reverse pitch or double screws and nuts, the rods, the gears and the rods.
• the counterpiece comprises at least one cylinder movable in rotation about its axis.
• the cutting device is advantageously completed by at least one automatic evacuation unit of the waste coming from the cutting comprising at least one suction nozzle placed near each cutting tool and connected to a container by a piping via a central control unit. aspiration.
• FIG. 1 is a schematic layout view of a cutting device according to the invention
• Figures 2A and 2B are top views of a cutting profile drawn in a width of paper to obtain respectively one and two strips of cut paper
• FIG. 3 is a perspective view of the cutting device according to the invention
• FIG. 4 is a bottom view of the device of FIG. 3
• FIGS. 5A and 5B are views in perspective and in section respectively of an alternative embodiment of the cutting device according to the invention
• Figures 6 to 8 are top views of the cutting device of Figure 3 according to three other different embodiments.
• the cutting device 5. finds its application in a mail preparation machine 1 of which only the "cutting" part is shown in this figure.
• This mail preparation machine 1 is distinguished from conventional machines by the fact that the envelope 14 is part integral of the width of material 10, which is in this case a width of paper, in which are printed and cut the documents 13 to be folded.
• This new technique has many advantages such as increased scrolling speed, improved security and integrity of mail, as well as a reduced cost price per ply.
• FIG. 2A illustrates a first sample of a width of paper 10 in which is cut a strip 11 comprising two envelopes 14 and three documents 13.
• FIG. 2B illustrates a second sample of a width of double paper 10 ′ in which are cut two strips 11, 11 'each comprising two envelopes 14 and three documents 13, offset from each other, each strip 11, 11' having its own profile 12, 12 '.
• the cutting device 5 can be applied to other areas requiring a so-called “dynamic" cutting in stationery, textiles, plastics, sheet metal or similar, and the width of material 10 can be a width of paper, cardboard, fabric, nonwoven, plastic film, sheet metal or the like.
• the width of paper 10 is unwound from a pre-printed reel carried by a reel 2. It can also come directly from an online printer.
• the width of paper 10 passes through a first system of roller tensioners 3 and then a grooving unit 4 arranged to mark with a fold 15 the side flaps 16 of the envelope 14 then facilitating the folding operation.
• the width of paper 10 passes through the cutting device 5 represented only by its two cutting tools 60 and the suction nozzles 8 of its unit for automatically evacuating cutting waste.
• This cutting device 5 makes it possible to cut the longitudinal edges or edges of the paper width 10 to form a strip of paper 11 in which the documents 13 are set to the correct width and the side flaps 16 envelopes 14 are created, the latter exceeding the width of the documents 13.
• the paper waste generated by this cutting device 5 is automatically evacuated by the suction nozzles 8 towards a storage container via a central vacuum (not shown).
• the web of paper 10 continues its path through a second system of roller tensioners 6 then a cross-cutting unit 7 using for example a rotary knife cylinder making it possible to separate the documents 13 from the envelopes 14 in order to feed a unit of sorting and accumulation then a unit for folding and closing the envelope 14 with its documents 13 (not shown).
• the cross section unit 7 is controlled by a central control unit (not shown) controlled according to the formats to be cut, the cutting length of the envelopes 14 being different from that of the documents 13.
• This control can be obtained by means of a computer program supplemented or not by a signal delivered by sensors arranged to detect marks printed on the width 10 or strip of paper 11 in order to identify the formats to be cut between the documents 13 and the envelopes 14.
• the cutting device 5 illustrated with reference to Figures 3 and 4 comprises a frame 50 made for example of welded or similar and designed to carry at least a first pair of cutting tools 60 cooperating with at least one counterpiece 70 arranged perpendicular to the direction of travel of the paper width 10 represented by the arrow D, the paper width 10 moving between the cutting tools 60 and the counterpiece 70 so as to cut the longitudinal edges of the paper width 10 to create the variable longitudinal profile with random sequence 12 predetermined and controlled.
• the cutting tools 60 are mounted movable relative to the frame 50 along two axes: an axis of rotation A perpendicular to the counterpiece 70 so as to modify the cutting angle of each cutting tool 60 and a translation axis B parallel to the counterpiece 70 so as to modify the interval between the two cutting 60.
• each cutting tool 60 is coupled to a rotational drive mechanism 80 and a translational drive mechanism 90 controlled in a combined manner along the two axes of rotation and translation by a central processing unit. control (not shown) as a function of the predetermined variable longitudinal profile with random sequence 12.
• the counter-piece 70 comprises a cylinder 71 mounted movable in rotation about its axis C relative to the frame 50. Depending on the applications, this counter-piece 70 can of course have a different shape and be fixed relative to the frame 50.
• the cylinder 71 is rotated by a drive mechanism of which only a pulley 72 is shown and is guided in bearings integral with the side walls of the frame 50 or by any other equivalent means.
• the drive mechanism may consist of an actuator of any type, coupled directly or by a mechanical transmission to the axis of the counterpiece 70 and controlled by a central control unit (not shown) as a function of the speed. scrolling width of paper 10.
• the cylinder 71 can be made of steel of a hardness preferably greater than that of the cutting tools 60 and equal for example to 63 HRC, obtained by heat, chemical or similar treatment.
• each cutting tool 60 comprises a circular knife 61 rotating around its axis E, driven in rotation by the counterpiece 70, made of steel with a hardness for example equal to 61 HRC and mounted in a body 62.
• the axis A passing through the axis C and the axis E passing through the axis A, the fulcrum P of the circular knife 61 on the cylinder 71 is aligned on the axis A.
• the body 62 is carried by a carriage 63 movable in translation relative to the frame 50 along transverse guides 51 of axis B by ball bearings or the like.
• the rotary drive mechanism 80 of each cutting tool 60 is on board the corresponding mobile carriage 63.
• a servomotor 81 coupled to the cutting tool 60 by a small motor pinion 82 meshing with a large toothed wheel 83 secured to the body 62 forming a speed reducer.
• the body 62 is guided in rotation relative to the movable carriage 63 at the end of a rod 64 by means of ball bearings or the like.
• This rod 64 is part of a pneumatic cylinder 65 or the like also on board the mobile carriage 63, forming a pressing mechanism arranged to move the circular knife 61 vertically between at least one raised rest position in which it is not in contact with the counter-piece 70 and authorizes the threading of the width of paper 10 and a lowered working position in which it is in contact with the counter-piece 70 under a certain pressure used both to make the cut by crushing and to compensate for the wear of the circular knife 61.
• the small driving pinion 82 has a width greater than that of the large toothed wheel 83 allowing the vertical movement of the circular knife 61 between its rest and working positions while remaining geared.
• other pressing mechanisms may be suitable.
• the translational drive mechanism 90 is common to the two cutting tools 60 and comprises, in the example shown, a servomotor 91 coupled to the cutting tools 60 by a small motor pinion 92 meshing two small toothed wheels 93 diametrically opposed, each meshing with a rack 94 secured to a movable carriage 63 for displacing these movable carriages 63 in translation synchronously and in opposite directions.
• the reverse translation of the moving carriages 63 is obtained by reversing the direction of rotation of the booster 91.
• a central control unit (not shown) makes it possible to control the operation of the various actuators and in particular of the servomotors 81, 91 in a simple, very precise and combined manner as a function of the variable longitudinal profile 12 to be cut in the paper width 10, this profile being random, non-cyclical and totally mastered.
• This central control unit is controlled by means of a computer program supplemented or not by a signal delivered by sensors arranged to detect marks printed on the width 10 or strip of paper 11 in order to identify the formats to be cut between the documents 13 and envelopes 14.
• the actuators 81, 91 used in these drive mechanisms 80, 90 may consist of other types of motors or geared motors, jacks, electromagnets or the like.
• the use of servomotors 81, 91 has the advantage of being able to control with very great precision the displacements of these motors, without delay in starting, nor inertia in stopping and thus to have a great flexibility of control.
• rotary drive mechanism 80 it is preferable to provide an actuator 81 for each cutting tool 60, these cutting tools 60 being movable in translation.
• An actuator for two cutting tools 60 would be complicated to implement at the level of the mechanical transmission to be provided.
• FIGS. 5 A and 5B illustrate another cutting device 5 ′ according to the invention in which each cutting tool 60 ′ comprises a circular knife 61 and a circular counter knife 61 ′, these knives being tangent in the cutting zone for create a chisel cut.
• the counter-piece 70 ' comprises a roller 71' arranged in the extension of the counter-knife 61 'and arranged to guide the width of material 10.
• the assembly formed by the knife 61, the counter-knife 61' and the roller 71 ' is carried by an oscillating support 53 on board the mobile carriage 63 and coupled to the rotary drive mechanism 80 similar to the previous example.
• the circular knives 61 and 61 ' are rotated about their axis E by an actuator 73 coupled to the lower circular knife 61' and the roller 71 'directly or by a mechanical transmission.
• the actuator 73 can be any type of motor or the like.
• the pressing mechanism consisting of the jack 65 is no longer necessary.
• the oscillating supports 53 are moved by the translational drive mechanism 90 to disengage the knives 61, 61 ′ from the cutting zone.
• the translational drive mechanism 100 comprises a mechanical worm gear 101 with inverted steps 101a, 101b, this worm 101 being guided in bearings 102, 103 and controlled in rotation by an actuator such that a motor coupled to one of its ends and not shown.
• Each thread 10Ia 5 101b engages a nut 104 provided in a mobile carriage 63, the rotation of the worm screw 101 in a direction causing the translation of the mobile carriages 63 and therefore of the cutting tools 60 simultaneously and in opposite directions, the translation reverse being generated by reversing the direction of rotation of the actuator.
• the translational drive mechanism 110 comprises a mechanical transmission by a link system 112, 113.
• An actuator 111 such as an electric motor, a servomotor or the like carries on its motor shaft a connecting rod 112 coupled to the movable carriages 63 by eccentric rods 113, the rotation of the actuator 111 in a direction causing the translation of the cutting tools 60 simultaneously and in opposite directions, the reverse translation being generated by reversing the direction of rotation of the actuator 111 .
• FIG. 8 illustrates a drive mechanism in translation 120 similar to the previous one except that the rods 123 are each coupled to a toothed wheel 124 engaging a common motor pinion 125.
• the actuator can rotate in the same direction of rotation and causing the two translational movements of the movable carriages 63 simultaneously and in opposite directions, each translational movement being obtained on a half-turn of the actuator (not shown). This solution avoids having to stop the actuator to reverse its direction of rotation each time it is necessary to change the direction of translation.
• the cutting device 10, 10 'according to the invention can be completed by a second pair of cutting tools 60, 60' arranged in the axis of the first pair of cutting tools 60 or on an axis offset in view to cut a second strip in the same width of material and according to a variable longitudinal profile, identical or different from the first, as illustrated for example in FIG. 2B.
• each document can be easily personalized and dedicated to an identified envelope.
• This mail preparation machine 1 can therefore be used for transactional mail as well as routing without difficulty and with a guarantee of respect for the integrity of the mail, that is to say that the right documents are in the right envelope.
• the width of paper 10 is threaded in the different units 3 to 7 and beyond.
• the circular knives 61 are raised by means of the jacks 65 and then the cutting tools 60 are calibrated with respect to the width of paper 10 printed.
• a computer program is entered into the central control unit which corresponds to the strip to be cut or a program already memorized is chosen.
• the circular knives 61 are lowered into the working position and the machine is started.
• the width of paper 1 pulled by the roller tensioner system 6 runs continuously through the cutting device 5 which cuts the longitudinal edges of the width of paper 10 according to a variable profile with random sequence determined by the width of the documents 13 and the width and the lateral flaps 16 of the envelopes 14.
• the central control unit controls the drive mechanisms in rotation 80 and in translation 90 cutting tools 60 simultaneously and in a combined manner to move the circular knives 61 according to a combined rotation and translation allowing the creation of a curved cutting line.
• the operating mode of the cutting device 5 ′ according to FIGS. 5 A and 5B is similar except that it is no longer necessary to raise and lower the knives 61.
• the invention achieves the goals set by means of a simple cutting device, inexpensive and very flexible to use, the cutting tools 60, 60 'or the like making it possible to generate any shape of a longitudinal section line and at any time of movement of the paper width 10 without any notion of cycle and in a controlled manner.

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Publications (1)

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ID=36127350

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Citations (3)

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• 2005
  • 2005-07-25 FR FR0507878A patent/FR2888768B1/fr not_active Expired - Fee Related
• 2006
  • 2006-07-24 BR BRPI0613655-9A patent/BRPI0613655A2/pt not_active Application Discontinuation
  • 2006-07-24 WO PCT/FR2006/001798 patent/WO2007012739A1/fr not_active Application Discontinuation
  • 2006-07-24 EP EP06778906A patent/EP1922187A1/de not_active Withdrawn
  • 2006-07-24 JP JP2008523405A patent/JP2009502526A/ja active Pending
  • 2006-07-24 CA CA 2612909 patent/CA2612909A1/fr not_active Abandoned
• 2007
  • 2007-12-30 IL IL188491A patent/IL188491A0/en unknown
• 2008
  • 2008-01-25 US US12/019,806 patent/US20080115641A1/en not_active Abandoned

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