EP0433575B2 - Vorrichtung zum Aufkleben von Marken aus einer Prägefolie - Google Patents

Vorrichtung zum Aufkleben von Marken aus einer Prägefolie Download PDF

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Publication number
EP0433575B2
EP0433575B2 EP90118271A EP90118271A EP0433575B2 EP 0433575 B2 EP0433575 B2 EP 0433575B2 EP 90118271 A EP90118271 A EP 90118271A EP 90118271 A EP90118271 A EP 90118271A EP 0433575 B2 EP0433575 B2 EP 0433575B2
Authority
EP
European Patent Office
Prior art keywords
substrate
sticking
adhesive
cylinder
speed
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.)
Expired - Lifetime
Application number
EP90118271A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0433575B1 (de
EP0433575A1 (de
Inventor
Alex Nyfeler
Michael Wessner
Ohannes Minnetian
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.)
Electrowatt Technology Innovation AG
Original Assignee
Electrowatt Technology Innovation 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
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Application filed by Electrowatt Technology Innovation AG filed Critical Electrowatt Technology Innovation AG
Publication of EP0433575A1 publication Critical patent/EP0433575A1/de
Publication of EP0433575B1 publication Critical patent/EP0433575B1/de
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Publication of EP0433575B2 publication Critical patent/EP0433575B2/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/062—Presses of the rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/50—Printing presses using a heated printing foil combined with existing presses
    • B41P2219/51—Converting existing presses to foil printing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D2033/04—
    • B42D2033/24—
    • B42D2033/30—
    • B42D2035/02—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1705—Lamina transferred to base from adhered flexible web or sheet type carrier
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1705—Lamina transferred to base from adhered flexible web or sheet type carrier
    • Y10T156/1707—Discrete spaced laminae on adhered carrier
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1737—Discontinuous, spaced area, and/or patterned pressing

Definitions

  • the invention relates to a device for gluing of brands on a substrate in the preamble of claim 1 Art.
  • Such devices are suitable for example for gluing a band-shaped printed product with individual optical eye-catching brands.
  • a device of the type mentioned is already known (WO-83/00659). Brands are made from a hot-melt adhesive film transferred to a ribbon-shaped substrate at equal intervals. The substrate and the film are rotating between a Stamp cylinder and an impression cylinder continuously passed through, thereby evenly on the circumference of the stamp cylinder spaced raised flat and flat stamp surfaces the hot stamping foil locally over predetermined areas of the transfer the impression cylinder running substrate.
  • GB 2138 360 A describes a device for transmitting Pieces of hot stamping foil on a ribbon-shaped substrate known.
  • a heated stamp that moves up and down presses in bottom dead center of his movement that on a carrier tape supplied hot stamping foil on the substrate, the Hot stamping foil connects to this, while the carrier tape and the substrate, inhibited in its movement, stop.
  • the carrier tape is fed again and the substrate, wherein the carrier tape with the the unused rest of the hot stamping foil is lifted off the substrate and rolled up.
  • EP 170 832 A1 describes hot stamping foils with holograms known. They are sticked to the substrate with a Carrier tape connected.
  • a method is also known (DE-A-3 511 146), in which a Printing material adhesive in a desired printing result corresponding surface shape printed and in a second Process step under an optically effective film layer Exposure to pressure and heat on the adhesive application containing side of the printing material is glued.
  • the invention has for its object a device to create an inexpensive Stick marks on at predetermined, isolated places allows a substrate.
  • Fig. 1, 1 means a substrate made of paper, plastic or Metal foil in the form of a long ribbon or in the form of an arch.
  • the substrate 1 is one in a previous one Operation with motifs 2 printed on one or both sides Paper tape, the motif 2 z. B. from a number, one here indicated by a small frame and a background motif exists like this from banknotes or securities is known.
  • Motifs 2 have a MoT motif division. An arrangement of several parallel rows is also conceivable the motifs 2 on the substrate 1, this arrangement of the Motifs 2 the rule, especially for curved substrates 1 is.
  • the motif 2 is by a at a predetermined location glued on mark 3 or 3 'added.
  • the motif division MoT accordingly, the substrate 1 is not by means of one here device shown can be divided into individual securities.
  • the Device comprises devices for feeding and taking away the Substrate 1 and for unwinding and winding up the carrier tape 5 first tape guide means for the substrate 1 and at least one second tape guide means for the carrier tape 5 with the hot stamping foil 4 ( Figure 2).
  • the substrate 1 and the carrier tape 5 are, for example, in the same, with an arrow indicated direction 8 by the sticking device drawn. All axes of the rolls required for the tape guide and cylinders are parallel to one another and in FIG. 3 aligned perpendicular to the drawing plane. The drive required facilities are not shown here.
  • the first tape guide means also includes an unwinding roller 9 a stock of the substrate 1 and a first deflection roller 10 one side of an adhesive station 11, which consists of a stamp cylinder 12 and an impression cylinder 13, and on on the other hand, a pulling device 14 and a winding roller 15, the substrate 1 stuck with marks 3, 3 '(FIG. 1) records.
  • the traction device 14 the at least one drive cylinder 16 and has a second deflection roller 17, detects the substrate 1 by means of the drive cylinder 16 and the second deflection roller 17th and pulls it at a predetermined feed speed V from the unwind roll 9. After the first pulley 10 it comes together with the hot stamping foil 4 to stick on Marks 3, 3 'between the cylinders 12 and 13 through Traction device 14. Under a predetermined tension the substrate stuck with marks 3, 3 'on the winding roll 15 wound up.
  • Each gluing station 11 ' has a stamp cylinder 12' and one Impression cylinder 13 '.
  • Each of cylinders 12 and 13 or 12 'and 13' formed pair closes an adhesive plane 18th a, in which the substrate 1 and the carrier tape 5 through the Move glue station 11 or 11 '.
  • the Gluing level 18 common to the gluing stations 11, 11 ', one Tangential plane to all impression cylinders 13, 13 '.
  • Between the gluing stations 11, 11 ' is a predetermined distance A. intended.
  • Each of the adhesive stations 11, 11 'arranged one behind the other transfers the mark 3 or 3 ', which on the hot stamping foil 4 of the glued from the previous gluing station 11 or 11 ' follows immediately, in successive motifs 2. Does the last gluing station 11 'the mark 3' in the predetermined motif 2 attached, the following mark 3 is again from the first Gluing station 11 glued into the next motif 2.
  • the first adhesive station 11 transfers marks 3 to the substrate 1, the on the hot stamping foil 4 z. B. in the first, the third, the fifth etc. brand division MaT are included, while the subsequent adhesive station 11 'brands 3' stuck in the second, fourth, sixth etc. MaT brand division are arranged.
  • the drive rollers 20 are between the Supply roll 19 and the first tape roll 21 are arranged.
  • a further, fourth tape roll 26 can be arranged between the gluing stations 11, 11 'can the third tape roll 23, but before the gluing station 11 '. All parts 19 to 26 of the second tape guide means are on the side of the stamp cylinder 12 or 12 'facing Arranged substrate 1.
  • the carrier tape 5 with the hot stamping foil 4 is from the supply roll 19 at a predetermined belt speed B processed, which generate the drive rollers 20, between which the carrier tape 5 with the hot stamping foil 4 is passed through.
  • the first tape roll 21 lowers the carrier tape 5 into the adhesive plane 18 onwards.
  • the carrier tape 5 lies after the first tape roll 21 on the substrate 1, the adhesive layer 6 (FIG. 2) Hot stamping foil 4 faces the substrate 1. Both bands 1 and 5 through the gluing station 11 and through the gluing stations 11, 11 'pulled. After the gluing station 11 or 11 ' the second tape roll 22 or 22 'lifts the carrier tape 5 from the Substrate 1 from, which in the gluing station 11 or 11 'on the Mark 1 or 3 '(FIG.
  • the stamp cylinder 12 or 12 ' carries on its circumference evenly distributed radially raised smooth stamp 27 whose Stamp surfaces 28 are curved such that they are part of a Stamp cylinder 12 or 12 'imaginary, concentric cylinder jacket Form 29, which on the substrate 1 in the area of the Sticking the marks 3, 3 'rolls off the predetermined location.
  • the reference numerals 27 to 29 are only on one indicated single position of the stamp cylinder 12.
  • the scope the cylinder jacket 29 is, for. B. an integer multiple of Motif division MoT.
  • the adhesive device can also be the beginning Process mentioned hot stamping foil 4, the carrier tape 5 as a tough, crystal clear protective layer is formed, which with the Hot stamping foil 4 is firmly connected.
  • the stamp cylinders 12, 12 ' are displaceable on their axis and thereby enable the stamps 27 to be aligned laterally to the predetermined position of the motifs 2.
  • the stamp cylinder 12 or 12 ' has at least one revolution a working cycle Az, which consists of an adhesive phase and a Feed phase exists, which is preferably one of the adhesive phase include the following intermediate phase.
  • a working cycle Az which consists of an adhesive phase and a Feed phase exists, which is preferably one of the adhesive phase include the following intermediate phase.
  • Figure 3 are for example, the stamp cylinder 12 or 12 'with three Stamp 27 shown, d. H. three run per revolution Duty cycles Az. Another division of the stamp cylinder 12 or 12 'is conceivable. Only during the gluing phase the stamp surfaces 28 roll on the impression cylinder 13 or 13 '.
  • the cylinder jacket 29 and the impression cylinder 13 or 13 ' rotate at a peripheral speed that the Feed speed V corresponds.
  • the stamp 27 and the impression cylinders 13 and 13 ' have a predetermined temperature.
  • the adhesive layer 6 is on the one hand by the carrier tape 5 and the hot stamping foil 4 and on the other hand, through the substrate 1 to be glued on necessary temperature can be heated.
  • the substrate 1 and the carrier tape 5 are advanced to the second tape roll 22 and 22 ', respectively the carrier tape 5 deflected from the adhesive plane 18 and the plane glued mark 3 or 3 'from the carrier tape 5 and from the hot stamping foil 4 is separated.
  • the substrate 1 and the carrier tape 5 are therefore free in the subsequent feed phase slidable.
  • the carrier tape 5 is in the adhesive plane 18 during the remaining time of the feed phase advantageously by one a predetermined length is pushed back around the hot stamping foil 4 to exploit better.
  • the carrier tape 5 in the adhesive plane 18 Feed speed V the reduces necessary belt speed B compared to the feed speed V.
  • the third tape roll 23 is located between two adhesive stations 11 and 11 ', it directs the carrier tape 5 instead of Auxiliary roller 24 by means of the fourth belt roller 26 back into the Adhesive level 18 so that the carrier tape 5 together with the Substrate 1 is guided through the following adhesive unit 11 '.
  • each adhesive station 11 or 11 ' a cooling section 30 or 30' arranged so that before Cut off the mark 3 or 3 'when the carrier tape 5 is deflected around the second tape roll 22 or 22 'the adhesive layer 6 Brand 3 or 3 'has cooled sufficiently and the adhesive is one sufficient strength developed to when separating from the Hot stamping foil 4 fraying the edges of the mark 3 or 3 ' to avoid.
  • the drive systems of the adhesive stations 11, not shown here, 11 ', the pulling device 14, the winding roll 15, the drive rollers 20 and the take-up roll 25 are in common Control device 31 by means of lines not shown here connected.
  • sensors not shown here, are controlled variables detectable and communicable to the control device 31. From this, it calculates the drive power, coordinated with one another and the speed for each drive system.
  • the control device 31 monitors the temperatures of all heated surfaces, e.g. B. the stamp surfaces 28, and the cooling capacity of the Cooling sections 30, 30 ', with their not shown here Temperature sensors control variables are transmitted.
  • the described adhesive device enables the brands 3, 3 'in a continuous process isolated from one another to predetermined ones Glue points on the substrate 1 without the substrate 1 stopped in the gluing station 11 or 11 'for gluing and then accelerated again. This is through the special shape of the stamp surfaces 28 reached that part a cylinder jacket concentric with the punch cylinder 12 or 12 ' 29 and their peripheral speed during the rolling motion the stamp 27 on the impression cylinder 13 or 13 ' is equal to the feed speed V.
  • 11 and 11 has the carrier tape 5 immediately after the Cooling section 30 advantageously has a storage loop 32.
  • the Length of the storage loop 32 is by adjusting the height of the predetermined third roll of tape 23 above the adhesive level 18 adjustable.
  • the MaT brand division is thus the distance A and adaptable to MoT motif division.
  • Storage loop 33 is provided for the substrate 1, which on the same side of the adhesive layer 18 as the impression cylinder 13 or 13 'is arranged.
  • a deflection roller steers 34 the substrate 1 from the adhesive plane 18 from the carrier tape 5 path.
  • the substrate 1 wraps around one perpendicular to the adhesive plane 18 Slidable tension roller 35 and passes over the following Impression cylinder 13 'back into the adhesive plane 18.
  • the Length of the storage loop 33 is determined by the distance of the tension pulley 35 predetermined to the adhesive level 18.
  • By moving the Tensioner 35 is the motif division MoT of the substrate 1 to the Distance A and the MaT division can be adjusted.
  • the adhesive stations 11, 11 ′ are advantageously in the adhesive plane 18 slidably arranged by the distance A of the motif division MoT and adapt to the MaT brand division. Depending on your needs individual gluing stations 11 ′ additionally in the gluing plane 18 installed or removed from the gluing device.
  • the pulling device 14 is advantageous for an aftertreatment of the motif 2 completed with the mark 3, 3 '. If there is an embossing or printing, is on the Substrate 1 another security feature that is about parts of the substrate 1 and the mark 3, 3 ', by means of this Work steps attachable.
  • the drive cylinder 16 can, for. B. as Embossing or printing roller can be provided. Also a night temp Adhesive layer 6 of the brand 3 or 3 'to improve their adhesive strength on the substrate 1 can be used as an aftertreatment, especially at high feed speeds V.
  • the pulling device 14 points as an embossing station or as a printing station at least one counter pressure roller 36 and one guide roller 36 ' additionally on that roll on the drive cylinder 16.
  • Feed speed V 60 m / min. or more are preferred instead of a single counter-pressure roller 36 also several such arranged on the drive cylinder 16 so that the adhesive layer 6 is heated long enough.
  • the adhesive device advantageously has the control device 31 connected sensors 37 and 38 to a high-precision Stick the marks 3, 3 'on the predetermined location to achieve the motives 2.
  • the sensors 37 and 38 are e.g. B. optical readers, the light in transmission or in reflection received, the light received by each with the Feed speed V or with the belt speed B passing division mark is modulated.
  • the sensor 37 or 38 is preferably displaceable and / or exchangeable attached so that it quickly changes to the position of the Division marks on the new substrate 1 or on the new one Hot stamping foil 4 is customizable.
  • the first sensor 37 is between the first Deflection roller 10 and the first gluing station 11 arranged and registers the passing of the division marks on the Substrate 1.
  • the second sensor 38 is, for. B. between the supply roll 19 and arranged the drive rollers 20 and reads the passing Graduation marks from hot stamping foil 4. Subdivide them the MaT brand division is an integer.
  • the stamp cylinder 12 or 12 ' preferably has one whose axis connected encoder 39 or 39 'on, so Lines of the control device 31, not shown, are more precise The angle of rotation value of the stamp cylinder 12 or 12 'can be transmitted is.
  • the control device 31 processes the signals from the sensors 37 and 38 and the rotary encoder 39 and 39 'and regulates the belt speed B, the feed rate V and the angular rate of the stamp cylinder 12 or 12 'on the predetermined values so that the marks 3, 3 'in the gluing device 11 or 11 'exactly on their on the motifs 2 predetermined space are aligned.
  • the control device 31 advantageously regulates the angular velocity of the stamp cylinder 12 or 12 'during each Gluing and intermediate phase such that the peripheral speed the stamp surfaces 28 is equal to the feed speed V.
  • the angular velocity of the Stamp cylinders 12 or 12 ' are reduced or enlarged, depending on whether the motif division MoT is larger or smaller than the distance between the stamp surfaces 28 on the cylinder jacket 29.
  • Carriage 40 is present on which the axes of the belt rolls 21, 22, 23 and 21, 22, 22 ', 23, 23' and 26 are arranged so the carrier tape 5 with a, with the feed speed V compared, smaller belt speed B from the supply roll 19 unwindable and more exploitable.
  • the carrier tape 5 has a speed that from the belt speed B and the speed of the Sled 40 composed and at least during the Gluing and intermediate phase equal to the feed speed V of the substrate 1.
  • a movement of the carriage 40 in the Direction 8 or opposite increases Speed of the carrier tape 5 in the adhesive plane 18th compared to the belt speed B or reduced or reverses them, d. H. the carrier tape 5 is opposite to the direction of travel 8 withdrawn by the predetermined length.
  • a drive 41 transmits, for. B. by means of a linkage 42, the predetermined periodic movement on the carriage 40, the Speed is predetermined at each point of movement.
  • a Odometer 43 is fixed on the sticking device arranged and reads, for example, waymarks on the Slide 40 off. By means of lines not shown here is the Odometer 43 connected to the control device 31 and you transmit the respective position of the Carriage 40 at its predetermined, through two reversal points 44 and 45 limited distance.
  • the control device 31 regulates depending on the position of the carriage 40 and the Signals from the sensors 37 and 38 and the rotary encoder 39, 39 ' Speed of the drive 41.
  • the drive 41 z. B.
  • a stepper or linear motor which by means of a predetermined Pulse sequence is controlled from the control device 31 because the predetermined differential speed V-B on the route in the direction 8 during a larger portion of the Work cycle Az can be generated and the movement of the slide 40 the motif division MoT and the brand division Mat optimally is customizable.
  • the substrate 1 is pulled by the pulling device 14 through the gluing stations 11, 11 'at the predetermined uniform feed rate V drawn using the signals of the Sensor 37 is controlled by the control device 31.
  • the control unit calculates 31 the necessary angular velocity of the stamp cylinder 12, 12 'depending on the respective phase of the Working cycle Az.
  • the carrier tape 5 through the Drive rollers 20 granted the belt speed B, the Regulation by means of the signals from the sensor 38 and two predetermined values, the first of which is the number of Division marks in each division MaT and the second die Number of gluing stations 11, 11 'indicates.
  • the carriage 40 becomes adhesive phase from the first reversal point 44 evenly with the differential speed V-B in the running direction 8 moves to the second reversal point 45.
  • the mark 3 or 3 'in the hot stamping foil 4 moves in the Adhesive plane 18 together with the substrate 1 at the feed rate V and lies on the predetermined position on the Motif 2 on. From the temporal sequence of the signals from the Sensors 37 and 38 recognize the control device 31 the exact one Alignment of the marks 3 and 3 'on the motif 2. Any Deviations are caused by brief changes in the belt speed B corrected. With the help of the signals from the Sensor 37 and the encoder 39 and 39 'synchronizes the Control device 31 the movement of motif 2 to stamp 27, so that the stamp surfaces 28 exactly on the marks 3 and 3 ' are aligned and roll on them.
  • the adhesive layer 6 is on a Surface line of the cylinder jacket 29 heated and below that of Stamp 27 and the impression cylinder 13 and 13 'exerted Pressure glued to the substrate 1.
  • Walk in the intermediate phase the carrier tape 5 and the substrate 1 lying one on top of the other Cooling section 30 or 30 '. After that is the strength of the glue in the adhesive layer 6 so large that the mark 3 or 3 'on the Substrate 1 is firmly connected and from the hot stamping foil 4th is separated when the carrier tape 5 by means of the tape roll 22nd or 22 'is directed away from the substrate 1.
  • the carriage 40 is in the meantime at the second turning point 45 arrives and returns to during the feed phase first reversal point 44 back to shortly before the start of next gluing phase again in the direction 8 in motion to put.
  • the drive rollers 20 move the carrier tape 5 forward in one working cycle Az by as many mark divisions MaT as marks 3, 3 'are simultaneously stuck on during the gluing phase.
  • This process is illustrated in the diagram in FIG. 4.
  • the reference numerals not mentioned in the following, which are not shown in FIG. 4, relate to FIG. 3.
  • the substrate 1 travels a distance W 1 at the feed speed V.
  • the carrier tape 5 is unwound a distance W 2 from the supply roll 19 at the tape speed B and is moved in the adhesive plane 18 by a distance W 3 .
  • the function of the distance W 3 during each working cycle Az arises from the broken line W 2 and the superimposition of the movement of the carriage 40.
  • the carrier tape 5 has the feed speed V, while between each second reversal point 45 and each first reversal point 44, ie during the feed phase, is withdrawn by a predetermined length.
  • each adhesive station 11 or 11 'advantageously has or any group of such stations 11, 11 'you assigned carrier tape 5 or 5 'with independent tape guides, those in the drawing by the supply and take-up rolls 19 and 25 or 19 'and 25' are indicated.
  • This arrangement enables on the same motif 2 ( Figure 1) at least two marks 3 and 3 ' ( Figure 1) or crosswise to the direction 8 side by side lying motifs 2 of the same substrate 1 at least one each Stick on mark 3 or 3 '. Also sticking on different brands 3 and 3 'possible, which are also different Can have sizes.
  • the two gluing stations 11 and 11 ' are as in FIG 6 arranged around the marks 3, 3 'on both sides to glue the substrate 1.
  • the independent band guides are in the drawing by the supply and take-up rolls 19 and 25 or 19 'and 25' indicated.
  • the second gluing station 11 ' is the arrangement of the stamp cylinder 12 'and the impression cylinder 13 'compared to the arrangement in the first gluing station 11 interchanged, the through the supply and take-up rolls 19 ', 25' shown tape guide for the Carrier tape 5 'on the side of the stamp cylinder 12' of the Substrate 1 is provided.
  • the substrate 1 faces when leaving the gluing device on one side the one in the first Gluing station 11 glued brands 3 and on the other the marks 3 'attached by the second gluing station 11'.
  • the adhesive layer 18 ( Figure 3) is advantageous as Part of the lateral surface 18 'of the single impression cylinder 13 trained to 18 space by rolling up the adhesive layer save up.
  • the distance A ( Figure 3) determined between the adhesive stations 11, 11 '.
  • the gluing stations 11, 11 ' are on the lateral surface 18' in the direction the axis 46 or rotatable about the axis 46, wherein the angle ⁇ is changeable.
  • the carriage 40 has the shape of a circular sector, the Tip not shown here is rotatable about the axis 46.
  • the Drive 41 sets the carriage 40 in an oscillating motion the period of oscillation from the length of the duty cycle Az to the Axis 46.
  • the axes of the belt rolls 21, 22 and 23 or 21, 22, 22 ', 23, 23' and 26 move on the carriage 40 in one predetermined radial distance about axis 46.
  • the impression cylinder 13 rotates in the running direction 8 and has a peripheral speed that that of the Traction device 14 generated feed speed V des Substrate 1 corresponds.
  • the drive rollers 20 promote that Carrier tape 5 from the supply roll 19 to the first tape roll 21 and the used carrier tape 5 from the third tape roll 23 or 23 'to the take-up roll 25.
  • the tape roll 22 or 22 ′ lifts the carrier tape 5 from the substrate 1 from, the marks 3, 3 'glued to the substrate 1 from Carrier tape 5 are detached.
  • curved substrates 1 Stickers 3, 3 'to cover include the facilities for closing and Advantageously lead away a feeder 48 and a boom 49.
  • a supply stack 50 is in the area of the feeder 48 in the running direction 8 arranged in front of the impression cylinder 13. After the impression cylinder 13 is within reach the cantilever 49 a stack 51 on which the glued Substrates 1 are stacked.
  • the impression cylinder 13 has for transporting the arcuate substrate 1 over the outer surface 18 'has at least one driver 52 which holds the substrate 1 on the lateral surface 18 'at a predetermined angle of rotation of the Back pressure cylinder 13 detected or released.
  • the feeder 48, the boom 49 and the driver 52 are not by means shown lines connected to the control device 31, the to synchronize the movements of the feeder 48 and the Cantilever 49 with the corresponding position of the driver 52 is set up.
  • the feeder 48 lifts a single one from a supply stack 50 Substrate 1 and the leading edge of which synchronously Driver 52 on the impression cylinder 13 too. That from Carrier 52 is detected substrate 1, smooth to one by the Size of the substrate 1 predetermined part of the outer surface 18 ' nestled, at least one gluing station 11 or 11 ' fed and pasted with the mark 3 or 3 '.
  • For example can have at least one counter pressure roller 36 for the aftertreatment be arranged on the impression cylinder 13, under which the pasted substrate 1 passes.
  • the boom 49 lifts that Substrate 1 at the predetermined angle of rotation from the lateral surface 18 ', in which the driver 52 releases the substrate 1, and places it on the stack 51.
  • FIG. 2 instead of a hot stamping foil 4 (FIG. 2) there is also one ordinary film can be used without adhesive layer 6 (FIG. 2), for example an embossing foil 53 shown in FIG. 9, which has the marks 3, 3 '( Figure 2).
  • FIG. 9 means 5 the carrier tape made of paper, polyester, etc. as the carrier of the Embossing foil 53 with low tensile strength.
  • the stamping foil 53 is glued to the carrier tape 5 with a separating layer 54, wherein whose adhesive force z. B. can be canceled by exposure to heat.
  • stamping foil 53 z. B the optically variable diffraction pattern 7, such as diffraction gratings or holograms, embedded the material of the embossing foil 53 for at least part of the electromagnetic waves in the range of wavelengths of 0.3 up to 10 ⁇ m is well transparent.
  • Sections of stamping foil 53 form the marks 3 composed of the diffraction patterns 7. For example, they serve after being glued to a security as a visually striking authenticity feature.
  • the adhesive strength of the glued marks 3 can be determined at certain Adhesives by means of a predetermined one for sticking on Side of the embossing film 53 applied adhesion promoter layer 53 ' be improved.
  • the ribbon-shaped substrate 1 is the first Deflection roller 10 applied to the impression cylinder 13 and under passed through at least one gluing station 11, 11 '(FIG. 3), to the second deflection roller 17, which the substrate 1 from The impression cylinder 13 lifts off and the traction device 14 feeds.
  • the pulling device 14 pulls the substrate 1 through the Sticking device.
  • For example are ultraviolet, x-rays, gamma or electron beams usable, whereby UV light is particularly easy to use.
  • the adhesive becomes relatively thin applied with an application unit 55, one Applicator roller 56 predetermined elastic not shown here Has printing areas on which to transfer the adhesive unroll the surface to be coated.
  • an application unit 55 one Applicator roller 56 predetermined elastic not shown here Has printing areas on which to transfer the adhesive unroll the surface to be coated.
  • An irradiation station 57 has one Radiation source 58, one in the applied adhesive Activation of adhesive strength sufficient radiation dose generated.
  • acrylic resin-based adhesives are those based on epoxy resin even in the presence of atmospheric oxygen enableable.
  • the application unit 55 between the first deflection roller is an example 10 and the first gluing station 11 on the impression cylinder 13 arranged on which the substrate 1 in the running direction 8 is transported.
  • the coating unit 55 coated the predetermined areas of the substrate 1 for pasting Adhesive.
  • Applying the low-viscosity adhesive to the substrate 1 has the advantage of a possible surface structure of the Substrate 1 at the predetermined location for gluing level out so that the brilliance of brand 3 ( Figure 9) through this surface structure is not affected.
  • the irradiation station 57 is after the application unit 55 and before the first gluing station 11.
  • Acrylate-based adhesive is the activated adhesive until Sticking the marks 3 to protect against atmospheric oxygen, for example using a local nitrogen atmosphere.
  • stamp cylinder 12 transmits with its stamp 27, which is not necessarily have to be heated, the marks 3 on the with Adhesive prepared predetermined locations of the substrate 1.
  • the marks 3 adhere to the viscous and through the activation spots that have become sticky enough so that they become themselves detach properly from the embossing foil 53 and from the carrier tape 5.
  • Advantageously heated stamp surfaces 28 carry the 3 brand heat and facilitate the detachment from the carrier tape 5.
  • the adhesive between the mark 3 and the substrate 1 is reached its full adhesive strength at room temperature after a Curing time of maximum 48 hours.
  • the device has the advantage that the stamping foil 53 with less heat must be resilient and the thin adhesive lighter Surface structure of the substrate 1 is adaptable as one Hot stamping foil.
  • the supply of a predetermined amount of energy after activation in the form of heat or radiation to the adhesive under the Brand 3 shortens the curing time of the adhesive, since that with Brands 3 pasted substrate 1 can be processed more quickly.
  • the energy supply to the adhesive can be done in a post-treatment both on one side by the mark 3 or by the substrate 1 through and from both sides.
  • a post-treatment both on one side by the mark 3 or by the substrate 1 through and from both sides.
  • the heat by means of the heated stamp surfaces 28 of the Stamp cylinder 12 and / or by means of the heated drive cylinder 16 and the counter pressure rollers 36 in the pulling device 14 supplied or the energy is by means of radiation in another, between the deflection roller 17 and the pulling device 14 arranged irradiation device 59 in the Glue introduced, in addition to those listed above
  • Radiation types the whole range of electromagnetic waves can be used, which is suitable for heat production (IR, micro, Centimeter waves etc.).
  • the irradiation station 57 is after the gluing station 11 installed.
  • the adhesives Process on acrylic resin basis, since the activation only after the placement of the marks 3 and the marks 3 also without Nitrogen atmosphere gives oxygen access to the activated Refuse glue.
  • the first belt roll 21 lowers the carrier belt 5 with the stamping foil 53 facing the substrate 1 into the Adhesive layer 18.
  • the irradiation station 57 is arranged on the second belt roll 22. That at the predetermined locations with an adhesive layer 60 printed substrate 1 comes together with the embossing film 53 between the stamp cylinder 12 and the impression cylinder 13.
  • the stamp surface 28 presses on the mark 3 of the stamping film 53 the adhesive layer 60, all air bubbles under the brand 3 be pushed away. Due to the surface tension of the The embossing foil 53 remains on the non-activated adhesive Adhesive layer 60 adhere until the radiation in the subsequent irradiation station 57 the activation of the Initiates adhesive.
  • the radiation dose is predetermined that the adhesive strength of the marks 3 on the substrate 1 already after the further transport to the second belt roll 22 so large is that when lifting the carrier tape 5 after the tape roll 22 the mark 3 from the embossing film 53 and from the carrier tape 5 solves. Only the radiation from the is exemplary Carrier tape 5 and the stamping foil 53 shown through.
  • the adhesive is applied instead of on the Substrate 1 also possible directly on the embossing film 53, for.
  • Belly in an adhesive layer 60 applied over the entire surface Carrier tape 5 with the embossing film 53 is removed from the supply roll 19 at the belt speed B by means of the drive rollers 20 handled.
  • the commission 55 and in some cases the Irradiation station 57 is along the path of the embossing film 53 arranged between the drive rollers 20 and the auxiliary roller 61. In this arrangement there is advantageously more time to apply and at most available for activating the adhesive, since the Belt speed B lower than the feed speed V of the substrate 1.
  • FIGS. 10 to 12 are included those of Figures 3, 5 to 8 can be combined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Labeling Devices (AREA)
  • Credit Cards Or The Like (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Steroid Compounds (AREA)
  • Making Paper Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP90118271A 1989-12-21 1990-09-24 Vorrichtung zum Aufkleben von Marken aus einer Prägefolie Expired - Lifetime EP0433575B2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CH457189 1989-12-21
CH457189 1989-12-21
CH4571/89 1989-12-21
CH133290 1990-04-19
CH1332/90 1990-04-19
CH133290 1990-04-19

Publications (3)

Publication Number Publication Date
EP0433575A1 EP0433575A1 (de) 1991-06-26
EP0433575B1 EP0433575B1 (de) 1994-12-21
EP0433575B2 true EP0433575B2 (de) 1999-10-06

Family

ID=25687367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118271A Expired - Lifetime EP0433575B2 (de) 1989-12-21 1990-09-24 Vorrichtung zum Aufkleben von Marken aus einer Prägefolie

Country Status (8)

Country Link
US (1) US5207855A (da)
EP (1) EP0433575B2 (da)
JP (1) JPH03200535A (da)
AT (1) ATE115916T1 (da)
CA (1) CA2028649A1 (da)
DE (1) DE59008083D1 (da)
DK (1) DK0433575T3 (da)
FI (1) FI906300A (da)

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Also Published As

Publication number Publication date
CA2028649A1 (en) 1991-06-22
ATE115916T1 (de) 1995-01-15
EP0433575B1 (de) 1994-12-21
US5207855A (en) 1993-05-04
DE59008083D1 (de) 1995-02-02
FI906300A (fi) 1991-09-22
JPH03200535A (ja) 1991-09-02
FI906300A0 (fi) 1990-12-20
EP0433575A1 (de) 1991-06-26
DK0433575T3 (da) 1995-05-08

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