EP0863957B1 - Bande de transfert pour appliquer un adhesif et procede de production correspondant - Google Patents

Bande de transfert pour appliquer un adhesif et procede de production correspondant Download PDF

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Publication number
EP0863957B1
EP0863957B1 EP96942282A EP96942282A EP0863957B1 EP 0863957 B1 EP0863957 B1 EP 0863957B1 EP 96942282 A EP96942282 A EP 96942282A EP 96942282 A EP96942282 A EP 96942282A EP 0863957 B1 EP0863957 B1 EP 0863957B1
Authority
EP
European Patent Office
Prior art keywords
sensitive adhesive
pressure sensitive
transfer
sheets
releasing agent
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
EP96942282A
Other languages
German (de)
English (en)
Other versions
EP0863957A2 (fr
Inventor
Johannes A. Ritter
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0863957A2 publication Critical patent/EP0863957A2/fr
Application granted granted Critical
Publication of EP0863957B1 publication Critical patent/EP0863957B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/64—Addition to the formed paper by contacting paper with a device carrying the material the material being non-fluent at the moment of transfer, e.g. in form of preformed, at least partially hardened coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B05D1/286—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers using a temporary backing to which the coating has been applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/10—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/906—Roll or coil
    • 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
    • Y10T156/18—Surface bonding means and/or assembly means with handle or handgrip
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2839—Web or sheet containing structurally defined element or component and having an adhesive outermost layer with release or antistick coating
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers

Definitions

  • the present invention relates to a transfer path according to the preamble of claim 1, a method for Production of a transfer track according to the preamble of patent claim 11 and a device for using a transfer track according to the preamble of patent claim 19.
  • the invention is based on a transfer track, the Top with a first separator and its bottom is coated with a second separator, the second separator a much stronger separation force has as the first separator, and a method for Production of the transfer path and a device for Using the same.
  • JP-A-05-043847 describes an adhesive-coated on both sides, Silicone-treated carrier tape is described, in which the adhesive coated pages are each covered with a release paper and that Carrier tape with a corona discharge before applying the adhesive is treated.
  • the invention is based on the object that initially to improve the transfer path and to design the method in such a way that it can be realized more cheaply.
  • the invention provides for this that the first separator with self-adhesive pressure sensitive adhesive in the form of an aqueous Dispersion of a pearl polymer for transferring the pressure sensitive adhesive onto sheets Paper is coated and the first separator does not promote wetting Silica-based anti-transmission agent is added.
  • the transfer train can be coated in a central location with pressure sensitive adhesive and together with the pressure sensitive adhesive applied to them are made transportable. So that will the one who wishes to coat his paper sheets with pressure sensitive adhesive from which Production of the transfer tape coated with pressure sensitive adhesive, which he from the central office can get the application ready.
  • Add starch-based thickeners are expedient Refinements of the transfer sheet coated with the pressure sensitive adhesive in the Subclaims specified.
  • the transfer path mentioned above can be produced in a simple manner that the first separator with self-adhesive pressure sensitive adhesive in the form of a aqueous dispersion of a pearl polymer for transferring the pressure sensitive adhesive Sheet of paper or the like material coated and him a Wetting-promoting but not transmission-inhibiting agent based on silica is added.
  • Preferred refinements of the method are further Subclaims specified.
  • the device for using the invention sees a first storage device for that rotatable holding a supply roll out with pressure sensitive adhesive coated transfer track, a transfer section with Printing and counter-pressure roller and a second Storage device for receiving a sleeve for the Rewinding for a role to include the Transfer web and a sheet feeder before.
  • the Storage devices can be above or below the Sheet feeder can be arranged.
  • the staggering or scaling can for example be realized in that under a contact surfaces of a stack of sheets a sheet removal device is arranged, the a shingling or staggering device is connected downstream in the sheet conveying direction, taking the sheets from the bottom with high Speed taken individually and in the shed or Stagger device are braked so that the scales with a given height or are staggered. It is also recommended to consider the extent the braking of the sheets in the relay device to control according to a desired height. Is the Very small height, such as for sticky notes is desired, one also speaks of scaly arches. A large scale height is particularly suitable for that Manufacture of self-adhesive labels.
  • the carrier web can consist, for example, of kraft paper with a basis weight of approximately 100 g / cm 2 or of a non-stretchable polypropylene film with a basis weight of approximately 50-60 g / cm 2 .
  • the surface of the carrier web 2 which is to be coated and faces upward in the illustration according to FIG. 1 is coated over the entire surface with a first separator 4.
  • the carrier 2 is coated over the entire surface with a second separator 3.
  • the first separator and the second separator are selected such that the first separator 4 is less repellent for the pressure-sensitive adhesive 5 which is subsequently to be applied to it over its entire surface, that is to say it has a lower separation force than the second separator 3 for this pressure-sensitive adhesive 5.
  • the degree of pressure-sensitive adhesive repellency can be adjusted by selecting the layer thickness.
  • the first separator can consist of a silicone layer of, for example, 3 g / cm 2 basis weight and the second separator of a silicone layer of, for example, 5 g / cm 2 basis weight.
  • the silicone layer of the first separator 4 is chosen to be so thin that it can protrude through small areas of the carrier web to which the pressure-sensitive adhesive can bind.
  • the first separator 4 can contain a silicone-based wetting-promoting but not transfer-inhibiting agent, such as lumites from BASF, and optionally a starch-based caking agent, such as Colargral from BASF.
  • the silicone layer of the second separator 3 is made so thick that it completely closes the carrier web 2 for the pressure sensitive adhesive and the pressure sensitive adhesive therefore does not find any possibility of adhesion.
  • a pearl polymer such as, is suitable as contact adhesive 5 see, for example, U.S. Patent 3,691,140 or in German patents 28 36 319 or 24 17 312 is described.
  • a permanent pressure sensitive adhesive can also be used for example for the production of Adhesive labels that have a much finer grain as a pearl polymer.
  • the pearl polymer mentioned is before Coating as an aqueous dispersion. If as Separator the silicone layer mentioned is used to improve the liability of the dispersion on the first separator of the dispersion before coating A suitable amount of starch-based thickener added.
  • a suitable thickener is for example that under the name Colagral in Commercially available product.
  • the production of the transfer track 1 succeeds for example with the system shown in FIG. 3, at one unwind station 20, three coating stations 22, 24, 26 and a winding station 28 are arranged one behind the other.
  • the unwind station 20 is from one on trestles around a horizontal axis rotatably mounted carrier web roll 21, the carrier web 2 continuously unwound and a pulley Applicator 23 of the first coating station 22 fed.
  • the first application 23 is on the Top of the carrier web 2 by means of one in one Silicon bath circulating applicator roll silicone solution applied and then to the desired thickness calendered.
  • the silicone bath can, if necessary Lumites and possibly also the Colargral added his.
  • the one on the top with a weak one Carrier web 2 coated with silicone layer led on the downstream side through a first dryer 29, in which the solvent or dispersant for the Silicon expelled from the applied dispersion is, so that on the first dryer 29th leaving carrier web 2 superficially a thin Silicone layer is applied as the first separator 4.
  • the carrier web prepared in this way is in the conveying direction passed through a second coating unit 25, in which by means of another applicator roller on the Another silicone layer on the back of the carrier web applied and then on the desired Layer thickness is set.
  • Downstream is the Carrier web passed through a second dryer 35, in which is the solvent or dispersant for the back coating of the carrier web 2 driven out is so that the leaving the second dryer 35 Carrier web 2 on the top with the first separator 4th and on the back with the second separator 3 from greater layer thickness is provided.
  • So far equipped carrier web 2 is downstream on the downstream second dryer 35 by a third coating unit 27 performed, in which on the first separator Dispersion of the pearl polymer by means of another Application roller is applied.
  • the one in the trough, in which the applicator roller rotates Pearl polymer dispersion is what was previously mentioned Thickener and the wetting agent in the the desired amount has been added.
  • the amount of the thickener to be added may only be as large be that after coating the Pressure sensitive adhesive dispersion on the first separator contiguous, essentially single-ply Pearl layer of pressure sensitive adhesive on the first separator 4 the carrier web 2 is obtained.
  • the carrier web led a third dryer 37 in which the total water content of the adhesive coating as well of the thickener and the wetting agent is driven out. Leaves the third dryer 37 then a transfer lane 1, which on the back with the second separator with high separation force and on the Top with a separator low separation force as well on this with pressure sensitive adhesive in the form of a Perl polymer is provided.
  • the transfer line 1 will in the reeling station 28 towards a storage drum a roll 55 wound. After separation of the coiled transfer web from the third Dryer 37 subsequent transfer web 1 is the Roll 55 with the transfer web wound up ready for transport.
  • the pressure sensitive adhesive 5 applied to the transfer web 1 is in the device designated as a whole with 60 4 on sheets of paper or the like material applied.
  • the device 60 rests on a movable one Underframe 61, in which the drives for the various rollers to be described below are accommodated.
  • Each sheet from a sheet stack 62, whose end edge against a contact surface 66 is applied by the device 60 in the conveying direction 63 transported and in a sheet collector 64 am End of device 60 issued or on a roll 65 wound up.
  • the device 60 has a separating section 72, a replica of this in the conveying direction 63 Scaling and staggering device 74 and one Transfer section 76, the graduation section 74 is connected downstream.
  • the separating section 72 has a suction roller 80 on that below the contact surface 66 of the stack 62nd is arranged and with a high number of revolutions, for example 10,000 revolutions per hour (depending on the type of bow) around their parallel to the leading edge of the stack 62 Axis is driven by rotation.
  • the suction roll 80 is a hollow roller and has several on its periphery evenly distributed, axially parallel suction slots. in the The interior of the hollow roller is essentially stationary an intake duct that is immediately below each the bottom sheet of the stack 62 adjacent Suction slot ends. If the suction channel to a suction pump is connected and the suction roll 80 in rotation is offset (in the representation after Fig.
  • the bottom is Sheet of stack 62 passed by one below it running suction slit sucked in and in the conveying direction 63 subtracted from the stack 62.
  • the arch removed arrives immediately behind the suction roller between two rolls, not shown, of a pair of rolls, of which one is driven and one of the withdrawn sheets Relatively high feed rate given by the Corresponds to the speed at which the bow of the Stack 62 has been withdrawn.
  • the sheets of the stack 62 are therefore successively from the bottom of the stack 62 deducted, the leading edge 33 of a following Sheet 12 still slightly above the rear edge of one preceding sheet 11 lies.
  • the scaling and staggering device 74 has two pairs of rollers spaced apart in the feed direction 63 82, 84, each of which is driven by a roller is.
  • the speed at which the rollers of the Roller pairs 82, 84 are driven is essential less than the take-off speed of a sheet from Stack 62.
  • a subsequent sheet therefore slides on over the top of a in the conveying direction 23 previous sheet, to the extent that between the leading edge 31 of a preceding sheet 11 and the leading edge 33 of a next succeeding almost completely lying on it 12 a constant Section d, called scale or scale height, remains (Fig. 2).
  • the scaled or staggered sheets go to the device 74 between a pressure roller 86 and a lower elastic towards the pressure roller mounted counter-pressure roller 88 of the transfer section 76, one of which is driven.
  • the Pressure roller 86 and backing roller 88 are in the way transfer lane 1 through device 60.
  • a solid stand 71 Furthermore rises above the path of the arch through the Device 60 is a solid stand 71, from which in Conveying direction 63 spaces two mandrels 73 and 75 protrude.
  • a roller sits on the foremost mandrel 73 55, which is generated from the device according to FIG. 3 and has been wound up with adhesive 5 contains coated transfer sheet 1.
  • the staggered sheets run into the gap between the Printing roller 86 or the pressure sensitive adhesive 5 of the transfer web 1 and the counter-pressure roller 88 and get there Pressure in contact with the outside of the pressure sensitive adhesive 5. Since the top of the sheets of stack 62 is at least in one starting from the leading edge of the sheets Width d are coated with an adhesion promoter, becomes the pressure sensitive adhesive 5 during the joint run the transfer belt 1 and the staggered sheets between the upper pressure roller 86 and the Counter-pressure roller 88 on the free, that is part of the. not covered by the following sheet Top of an arch, i.e. parallel to one Front edge 31 of the foremost sheet 11 lying Strips of width d transfer and stick there. At Passing the staggered sheets between rollers 86 and 88 will be on the forefront Arch sections of width d a contiguous Pressure sensitive adhesive layer 5 from the first separator 4 of the transfer path 1 transferred.
  • the transfer path is turned at an acute angle Feed direction 63 deducted, the on the pressure sensitive adhesive adhering shingled or staggered sheets from the transfer sheet still coated with pressure sensitive adhesive taken and steered over the further deflection roller 87 and wound up on the roll 65.
  • the Separation strip 89 removed in FIG. 4 and the roller 87 shifted much further to the right.
  • the transfer ribbon is found 1 without pressure sensitive adhesive completely on the roll 65. It can then again as role 50 of the above in Relation to the unwinding station 20 described in FIG. 3 fed and coated again with pressure sensitive adhesive.
  • the device according to FIG. 4 relates to the first variant an embodiment in which the transfer belt 1 supporting rollers 55 and 65 in the base 61 are accommodated.
  • On roll 55a it is Transfer belt 1a with pressure-sensitive adhesive coating 5a on a Coiled sleeve 73a, which rotates on one with the supporting framework of the substructure 61 firmly connected Carrier 71a is attached.
  • Transfer train 1a is running via the counter pressure roller driven according to arrow f 88 88 and from this to a sleeve 75a which is rotatable another support carried by the substructure 61 72a is attached.
  • the transfer path 1a is moved by the counter pressure roller 88 along with the scaled or staggered sheets through the gap between the platen roller 88 and the Pinch roller 86 is pulled, the transfer path 1a of is pressed below against the arc stream.
  • the one Rolling leaving arc stream is through here separating strip 89a arranged below the same Transfer belt 1a separated and from a downstream Suction roll 90, which is arranged with one below it moving roller 91 a further nip forms, seized.
  • An endless top strap 92 consisting of several bands running in parallel, runs according to arrow 93 around the suction roll 90 and one downstream of this arranged roller 95 um, and a lower strap 96 which is also several in parallel has running belts, runs according to arrow 97 around the Roller 91 and a downstream side to this under the Roller 95 arranged roller 98 um.
  • the distance of the Suction roller 90 with an associated roller 91 to the separating strip 89a is adjustable and depends on the Cutting length.
  • the suction roll 90 and the others Rollers 91, 95, 98 rotate so quickly that the Scaled or staggered sheets isolated again become. That way along the feed path between the suction roller pair 90, 91 and roller pair 96.98 Scattered sheets are in the sheet collector 64 issued and stacked. In this bow collector the individual sheets, whose in the conveying direction 63 rear lower edge in width d (except for the bottom sheet of the stack) with Pressure sensitive adhesive is coated.
  • the second variant of the device according to FIG. 5 looks as a further embodiment of the invention reduced, rising above the device 60 Stand 71b on which the roller 55 as in the 4 shown in FIG Right of arrow f 55 is held rotatable.
  • the Counter-pressure roller 88 pulls this with pressure-sensitive adhesive 5 coated transfer belt 1 together with the according Figure 2 scaled or staggered sheets in the Nip between the counter-pressure roller 88 and the Pressure roller 86, with the transfer path 1 from above is pressed onto the arc stream, and transmits the Pressure sensitive adhesive on the individual sheets included in this Embodiment again on the top with Adhesion promoter (primer) and on the bottom with a release aid are coated.
  • the transfer belt at the last-mentioned embodiment with the scaled or staggered sheets on the sleeve 75a wound that the sheets are on the outside.
  • the Invention which the suction roll and the associated other rollers comprehensive separation station as well the sheet collector 64 and the separating strip 89a are eliminated.

Claims (22)

  1. Bande de transfert (2) dont le côté supérieur est enduit d'un premier élément séparateur (4) et le côté inférieur d'un second élément séparateur (3), le deuxième élément séparateur (3) présentant un pouvoir de séparation considérablement plus élevé que celui du premier élément séparateur (4), caractérisée en ce que le premier élément séparateur (4) est enduit d'un auto-adhésif sous forme d'une dispersion aqueuse d'un polymère en perles pour transférer l'adhésif sur des feuilles en papier et contient un élément à base de silice favorisant le mouillage mais n'empêchant pas le transfert.
  2. Bande de transfert selon la revendication 1, caractérisée en ce que la dispersion contient un élément épaississant à base d'amidon.
  3. Bande de transfert selon une des revendications précédentes, caractérisée en ce que la dispersion contient un élément mouillant à peu près comme le Lumiten.
  4. Bande de transfert selon une des revendications précédentes, caractérisée en ce que le premier élément séparateur (4) est enduit d'un adhésif (5) sur toute sa surface.
  5. Bande de transfert selon une des revendications 1 à 3, caractérisée en ce que le premier élément séparateur (4) est enduit d'un adhésif (5) en bandes longitudinales.
  6. Bande de transfert selon une des revendications 1 à 3, caractérisée en ce que le premier élément séparateur (4) est empreint par l'adhésif (5) sur des surfaces s'étendant de façon longitudinale et transversale.
  7. Bande de transfert selon une des revendications 1 à 6, caractérisée en ce que l'adhésif colle en permanence.
  8. Bande de transfert selon une des revendications précédentes, caractérisée en ce qu'elle est enroulée sur un rouleau (55).
  9. Bande de transfert selon une des revendications précédentes, caractérisée en ce qu'au contact de l'adhésif (5) avec les feuilles (11....19) la bande est enroulée de préférence avec les feuilles qui y collent pour le traitement ultérieur.
  10. Bande de transfert selon une des revendications précédentes, caractérisée en ce que après transfert de l'adhésif (5) sur une feuille, la bande est à nouveau enroulée pour être à nouveau enduite d'adhésif.
  11. Procédé de production d'une bande de transfert suivant une des revendications précédentes, caractérisé en ce que son côté supérieur est enduit d'un premier élément séparateur (4) et son côté inférieur d'un deuxième élément séparateur (3), le deuxième élément séparateur (3) présentant un pouvoir de séparation considérablement plus élevé que celui du premier élément séparateur (4) et que le premier élément séparateur (4) est enduit d'auto-adhésif sous forme d'une dispersion de polymère en perles pour le transfert de l'adhésif sur la feuille en papier et qu'un élément à base de silice favorisant le mouillage mais n'empêchant pas le transfert est ajouté au premier élément séparateur.
  12. Procédé selon la revendication 11, caractérisé en ce qu'un élément épaississant à base d'amidon est ajouté à la dispersion avant l'enduction.
  13. Procédé selon une des revendications 11 ou 12, caractérisé en ce que l'adhésif est appliqué sur le premier élément séparateur au moyen d'un cylindre à gravure, d'une racle sur rouleau ou au moyen d'une centrifugeuse ou par pulvérisation.
  14. Procédé selon une des revendications 11 à 13, caractérisé en ce que l'adhésif est appliqué par sérigraphie ou estampage.
  15. Procédé selon une des revendications 11 à 14, caractérisé en ce qu'après l'enduction la bande de transfert est séchée.
  16. Procédé selon une des revendications 11 à 15, caractérisé en ce que la bande de transfert (1) enduite d'adhésif (5) est enroulée sur un rouleau (55).
  17. Procédé selon une des revendications 11 à 16, caractérisé en ce qu'après le transfert de l'adhésif (5) sur les feuilles (11....19) la bande de transfert est enroulée de préférence avec les feuilles qui y collent pour le traitement ultérieur.
  18. Procédé selon une des revendications 11 à 16, caractérisé en ce que après transfert de l'adhésif (5) sur une feuille, la bande est à nouveau enroulée pour être à nouveau enduite d'adhésif.
  19. Dispositif pour l'emploi d'une bande de transfert selon une des revendications 1 à 10, caractérisé par un premier dispositif de stockage (71, 73) pour maintenir de façon rotative un rouleau de réserve (55) comprenant la bande de transfert (1) enduite d'adhésif (5) ; par une section de transfert (76) avec un rouleau déflecteur (86) pour la bande de transfert et un rouleau d'alimentation (88) coopérant avec le rouleau déflecteur (86) de même que par un deuxième dispositif de retenue (71, 75) pour un rouleau (65) recevant la bande de transfert (1) et par un dispositif d'alimentation (72, 74) pour amener des feuilles, enduites d'agent adhésif sur leur côté supérieur, à la fente entre le rouleau déflecteur (86) et le rouleau d'alimentation (88).
  20. Dispositif selon la revendication 19, caractérisé en ce que les feuilles sont amenées à la fente imbriquées ou en décalage, le bord avant (33) de chaque feuille qui suit (12) reposant sur la feuille précédente (11).
  21. Dispositif selon une des revendications 19 ou 20, caractérisé en ce que sous une surface de contact (66) d'une pile (62) de feuilles est disposé un dispositif de prélèvement de feuilles (80) de telle manière que les feuilles sont retirées l'une après l'autre du dessous de la pile à grande vitesse et sont freinées dans un dispositif à imbriquer et échelonner ou décaler (74) placé à la suite dans le sens de l'acheminement des feuilles, de telle sorte que les feuilles sont imbriquées et en décalage à une hauteur donnée (d).
  22. Dispositif selon une des revendications 19 à 21, caractérisé en ce que dans le sens de l'avancement (63) une bande de déviation (89) est disposée derrière ou à la place du rouleau déflecteur (86).
EP96942282A 1995-11-30 1996-11-29 Bande de transfert pour appliquer un adhesif et procede de production correspondant Expired - Lifetime EP0863957B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19544636 1995-11-30
DE19544636A DE19544636A1 (de) 1995-11-30 1995-11-30 Transferbahn zum Auftragen von Haftklebern sowie Verfahren zu ihrer Herstellung
PCT/EP1996/005306 WO1997020006A2 (fr) 1995-11-30 1996-11-29 Bande de transfert pour appliquer un adhesif et procede de production correspondant

Publications (2)

Publication Number Publication Date
EP0863957A2 EP0863957A2 (fr) 1998-09-16
EP0863957B1 true EP0863957B1 (fr) 2001-08-01

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Application Number Title Priority Date Filing Date
EP96942282A Expired - Lifetime EP0863957B1 (fr) 1995-11-30 1996-11-29 Bande de transfert pour appliquer un adhesif et procede de production correspondant

Country Status (6)

Country Link
US (1) US5985439A (fr)
EP (1) EP0863957B1 (fr)
AT (1) ATE203692T1 (fr)
AU (1) AU1139397A (fr)
DE (2) DE19544636A1 (fr)
WO (1) WO1997020006A2 (fr)

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US6610358B1 (en) 1999-03-12 2003-08-26 Premark Rwp Holdings, Inc. System and method for two sided sheet treating
US8281737B2 (en) 2003-03-10 2012-10-09 Boston Scientific Scimed, Inc. Coated medical device and method for manufacturing the same
EP1861209A1 (fr) * 2005-03-11 2007-12-05 Ryco Book Protection Services Limited Procédé et appareil servant à recouvrir indirectement un substrat d'un adhésif visqueux fluide chaud

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US3691140A (en) * 1970-03-09 1972-09-12 Spencer Ferguson Silver Acrylate copolymer microspheres
JPH0543847A (ja) * 1991-08-13 1993-02-23 Sekisui Chem Co Ltd 両面粘着テープの製造方法
DE4210329A1 (de) * 1992-03-30 1993-10-07 Koenig & Bauer Ag Anordnung zum Verbinden aufeinanderfolgender, zu Rollen gewickelter Papierbahnen
JP2540232Y2 (ja) * 1992-12-28 1997-07-02 東洋ケミカル株式会社 両面粘着転写テープの自動転写器
DE4305081C2 (de) * 1993-02-19 1996-08-01 Minnesota Mining & Mfg Verfahren und Vorrichtung zum Auftragen von Haftkleber auf Bogen aus Papier oder dergleichen Material
JP2888083B2 (ja) * 1993-03-23 1999-05-10 王子製紙株式会社 粘着シート
US5514435A (en) * 1993-03-10 1996-05-07 New Oji Paper Co., Ltd. Adhesive sheet

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Publication number Publication date
ATE203692T1 (de) 2001-08-15
EP0863957A2 (fr) 1998-09-16
WO1997020006A3 (fr) 1997-07-03
US5985439A (en) 1999-11-16
DE19544636A1 (de) 1997-06-05
WO1997020006A2 (fr) 1997-06-05
DE59607429D1 (de) 2001-09-06
AU1139397A (en) 1997-06-19

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