EP1105331A1 - Device for transferring a material in the form of a film that is applied to a carrier strip onto a substrate - Google Patents

Device for transferring a material in the form of a film that is applied to a carrier strip onto a substrate

Info

Publication number
EP1105331A1
EP1105331A1 EP99944354A EP99944354A EP1105331A1 EP 1105331 A1 EP1105331 A1 EP 1105331A1 EP 99944354 A EP99944354 A EP 99944354A EP 99944354 A EP99944354 A EP 99944354A EP 1105331 A1 EP1105331 A1 EP 1105331A1
Authority
EP
European Patent Office
Prior art keywords
film
substrate
sliding element
carrier strip
carrier tape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99944354A
Other languages
German (de)
French (fr)
Other versions
EP1105331B1 (en
Inventor
Christoph Manusch
Wulf Herrmannsen
Wolfgang Bauersachs
Hartmut Rudolf
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.)
Henkel Pritt Produktions GmbH
Original Assignee
Henkel Pritt Produktions GmbH
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
Application filed by Henkel Pritt Produktions GmbH filed Critical Henkel Pritt Produktions GmbH
Publication of EP1105331A1 publication Critical patent/EP1105331A1/en
Application granted granted Critical
Publication of EP1105331B1 publication Critical patent/EP1105331B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/002—Web delivery apparatus, the web serving as support for articles, material or another web
    • B65H37/005—Hand-held apparatus
    • B65H37/007—Applicators for applying coatings, e.g. correction, colour or adhesive coatings
    • 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
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1348—Work traversing type
    • 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
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure
    • Y10T156/1795—Implement carried web supply
    • 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

Definitions

  • the invention relates to a device for transferring a substance applied in the form of a film onto a carrier tape to a substrate, such as a writing or drawing sheet, with a housing in which a supply spool for the film-coated carrier tape and an empty spool for receiving the stripped carrier tape are arranged , wherein the film-coated carrier tape is guided over an application foot, which is provided at least in the area wrapped by the carrier tape with a clip-like sliding element made of a friction-reducing material, which is attached to the application foot.
  • Handheld devices of this type for transferring a film for example adhesive, masking compound, marking dye, etc.
  • a film for example adhesive, masking compound, marking dye, etc.
  • various designs for the configurations of the application foot are known.
  • the application foot can be equipped with an application roller, which preferably has a rubber-elastic tread.
  • the outer diameter of a functionally appropriate application roller cannot be kept as small as desired, because it conforms well to the substrate, it has a minimum thickness for the elastic race requires and the rotational mobility requires a sufficient difference between the stub axle and the outer diameter, such an application role has disadvantages.
  • the application foot usually has an application bar, which has advantages over an application roller, since a sharper angling of the carrier tape is possible in the transfer phase, as a result of which the tear-off after the transfer has taken place has less tendency to form a flutter edge.
  • plastics which have good sliding behavior, such as polytetrafluoroethylene (PTFE), which, however, is many times more expensive than the standard materials normally used for the components of a generic device. For reasons of cost, the use of an application foot made of polytetrafluoroethylene is therefore ruled out.
  • PTFE polytetrafluoroethylene
  • a generic device is known from US-A-5, 30, 904.
  • the application foot is provided in the area wrapped by the carrier tape with a sliding element made of a friction-reducing rubber-like material which is attached to the application foot.
  • This sliding element is said to improve the transfer of the film to the substrate. It has a rotationally symmetrical curve profile in the active pressure segment of the application bar and therefore has a small linear contact area with the substrate. It has been found that when the adhesive layer is transferred to a substrate, the adhesive layer tears easily, so that the carrier tape on its silicone layer slides over the substrate and the drive is interrupted.
  • the object of the invention is therefore to improve a generic device in such a way that a flawless transfer of the film to the substrate is ensured with the least possible effort.
  • the pressing area of the sliding element lies flat against the substrate with the interposition of the carrier tape.
  • the sliding element itself can nevertheless be extremely small in this embodiment, for example it can be produced as a semifinished product of very small dimensions (for example with an outer diameter of 1 to 1.2 mm and 0.2 to 0.3 mm wall thickness) by being on the desired one Cut long, slit lengthways and then spread and pushed onto the application foot. This can also be done automatically in a simple manner.
  • the sliding element consists of polytetrafluoroethylene (PTFE), since this material has particularly good sliding behavior.
  • PTFE polytetrafluoroethylene
  • the end section of the application foot receiving the sliding element likewise has an at least partially elliptical cross-sectional shape.
  • the sliding element can then be produced in a particularly simple manner since the inner contour thereof can largely correspond to the outer contour. It is then also held securely on the application foot.
  • FIG. 2 is a side view, partly in section, of the application foot of a device according to the invention without a sliding element
  • FIG. 3 shows the front view of the application foot
  • 4 shows a side view, partly in section, of the application foot according to FIG. 2 with the extension arm pivoted in and the sliding element attached
  • FIGS. 4 and 5 are front views of FIGS. 4 and
  • FIG. 1 shows a conventional device for transferring a substance applied in the form of a film onto a carrier tape to a substrate according to the prior art without a sliding element, but only with the parts that are important for the invention, namely an application foot, generally designated 1.
  • This application foot 1 is equipped with an application bar 2, around which a coated carrier tape 3, which comes from a supply spool (not shown) of the device, is guided around the order bar 2. After the transfer of the layer 4 to a substrate, it is passed on as a blank tape 5 to a winding spool (not shown). With regard to the smooth running of the device and a flawless transfer of the film to the substrate, it has been found that such an application foot 1 is not satisfactory.
  • FIGS. 2 ff Another embodiment of the application foot is therefore provided, as shown in FIGS. 2 ff.
  • An application foot according to the invention of a device according to the invention is generally designated 6 in the figures.
  • This application foot 6 has tape guide ears 7, between which the carrier tape is guided.
  • the application foot 6 is provided with a cantilever arm 9 which is pivotably articulated on the application foot 6 via a film hinge 8.
  • This cantilever arm 9 is designed at the end as a receiving profile (end section 10) for a clip-like sliding element 15.
  • Grooves 13 are recessed on the application foot 6, which serve to achieve a latching engagement of the extension arm 9 on the application foot 6 in the pivoted-in position of the extension arm 9, for which purpose locking cams 12 are provided on the extension arm 9 on both sides.
  • the cantilever arm 9 preferably has ribs 11 which are directed in a slow direction. These ribs 11 are used in conjunction with the selection of an elastic material, for example polyolefin, for particularly good contact securing between the application bar (end section 10) and possible unevenness in the substrate plane. Since the clip-like sliding element 15 made of polytetrafluoroethylene is also elastic, this is achieved by applying pressure to the entire transfer width of the ribbon even with an uneven substrate and reliably preventing bubbles from forming, similar to an elastic roller, so that a smooth coating takes place on the substrate. Essential to the invention, as can be seen particularly well from FIGS.
  • the sliding element 15 has an elliptical cross-sectional shape, such that when the film is transferred to the substrate, the pressing region 15a of the sliding element 15 lies flat against the substrate with the carrier tape being arranged in between. Furthermore, it is provided that the end section 10 of the application foot 6 or the extension arm 9 receiving the sliding element 15 also has an at least partially elliptical cross-sectional shape, this area is indicated in FIG. 2 by the reference number 10a.
  • Figures 4 and 5 show the cantilever arm 9 in the pivoted and locked position.
  • the film hinge 8 is pivoted about 90 °.
  • the clip-like sliding element 15 placed on the end section 10 of the extension arm 9 is additionally fastened in that stop stages 16 and 17 are provided on the application foot 6 and on the extension arm 9, respectively, whereby the sliding element 15 is secured against rotation.
  • stop stages 16 and 17 are provided on the application foot 6 and on the extension arm 9, respectively, whereby the sliding element 15 is secured against rotation.
  • the application foot 6 is a front view with latching cams 12 clipped into the grooves 13 and accordingly attached sliding element 15 to recognize.
  • stops 19 on the application foot 6 it is achieved that in the event of a possible excessive contact pressure with improper handling of the device, the application bar formed by the sliding element 15 receives a final end stop which is dimensioned such that the sliding element 15 is still a few tenths of a millimeter above the contour of the tape guide ears 7 protrudes so that the transfer function always remains secure.
  • the ends 20 of the clip-like sliding element 15 are advantageously recessed in recesses 21 of the band guide ears 7, which ensures that the carrier band is squeezed from the ends possibly squeezed by the lengthening of the hose from which the sliding element 15 is preferably made 20 is kept away.
  • the invention is not limited to the exemplary embodiments shown. Further configurations are possible without leaving the basic idea.
  • the sliding element 15 does not have to have an exact elliptical cross-sectional shape, it is essential that it has one flat pressing area 15a forms.

Landscapes

  • Adhesive Tape Dispensing Devices (AREA)
  • Wire Bonding (AREA)
  • Chemically Coating (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Formation Of Insulating Films (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Basic Packing Technique (AREA)
  • Coating Apparatus (AREA)

Abstract

A device for transferring a material in the form of a film that is applied to a carrier strip onto a substrate such as a sheet of writing paper or drawing paper. The inventive device comprises a housing that accommodates a supply reel for the film-coated carrier strip and an empty reel that receives the carrier strip when the coating is removed. The film-coated carrier strip is guided via an application foot that is provided with at least one clip-type sliding element which is made of a friction-reducing material in the area around which the carrier strip is twisted and secured to said foot. The aim of the invention is to prove an improved device enabling the film to be transferred onto the substrate as easily as possible. This is achieved by providing the sliding element (15) with an elliptical cross-sectional shape so that when the film is transferred onto the substrate, the sliding element (15) presses against the substrate in a flat area (15) located thereon and the carrier strip is arranged in between.

Description

"Gerat zum Übertragen eines m Form eines Filmes auf ein"Device for transferring a shape of a film onto a
Tragerband aufgebrachten Stoffes auf ein Substrat"Carrier tape of applied material on a substrate "
Die Erfindung betrifft ein Gerat zum Übertragen eines in Form eines Filmes auf ein Tragerband aufgebrachten Stoffes auf ein Substrat, wie ein Schreib- oder Zeichenblatt, mit einem Gehäuse, in dem eine Vorratsspule für das filmbeschichtete Tragerband und eine Leerspule zur Aufnahme des entschichteten Tragerbandes angeordnet sind, wobei das filmbeschichtete Tragerband über einen Auftragsfuß gefuhrt ist, welcher wenigstens im vom Tragerband umschlungenen Bereich mit einem clipsartigen Gleitelement aus einem reibungsmmdernden Material versehen ist, welches am Auftragsfuß befestigt ist.The invention relates to a device for transferring a substance applied in the form of a film onto a carrier tape to a substrate, such as a writing or drawing sheet, with a housing in which a supply spool for the film-coated carrier tape and an empty spool for receiving the stripped carrier tape are arranged , wherein the film-coated carrier tape is guided over an application foot, which is provided at least in the area wrapped by the carrier tape with a clip-like sliding element made of a friction-reducing material, which is attached to the application foot.
Derartige Handgerate zum Übertragen eines Filmes (z.B. Klebstoff, Abdeckmasse, Markierfarbstoff, usw.) sind bekannt. Dabei s nd, um eine Leic tgangigkeit und gute Ubertragbar- keit des Filmes auf das Substrat anzustreben, unterschiedliche Ausfuhrungen für die Ausgestaltungen des Auftragsfußes bekannt. So kann der Auftragsfuß beispielsweise mit einer Auftragsrolle ausgerüstet sein, die vorzugsweise eine gummi- elastische Laufflache aufweist. Da jedoch der Außendurchmesser einer funktionsgerechten Auftragsrolle nicht beliebig klein gehalten werden kann, weil eine gute Anschmiegung an das Substrat eine Mindestdicke für den elastischen Laufring erfordert und die Drehbeweglichkeit eine ausreichende Differenz zwischen Achsstummel und Außendurchmesser voraussetzt, hat eine solche Auftragsrolle Nachteile. Üblicherweise weist deshalb bei den meisten Lösungen der Auftragsfuß eine Auftragsleiste auf, die gegenüber einer Auftragsrolle Vorteile hat, da eine schärfere Abwinkelung des Trägerbandes in der Transferphase möglich ist, wodurch der Abriß nach vollzogenem Transfer weniger zur Ausbildung eines Flatterrandes neigt. Nachteilig gegenüber einer Lösung mit einer Auftragsrolle ist dagegen, daß bei der Auftragsleiste das Trägerband unter Reibschluß über diese geführt wird, was je nach Trägerbandqualität zu unerwünschter Schwergängigkeit führen kann .Handheld devices of this type for transferring a film (for example adhesive, masking compound, marking dye, etc.) are known. In order to strive for smoothness and good transferability of the film to the substrate, various designs for the configurations of the application foot are known. For example, the application foot can be equipped with an application roller, which preferably has a rubber-elastic tread. However, since the outer diameter of a functionally appropriate application roller cannot be kept as small as desired, because it conforms well to the substrate, it has a minimum thickness for the elastic race requires and the rotational mobility requires a sufficient difference between the stub axle and the outer diameter, such an application role has disadvantages. Therefore, in most solutions, the application foot usually has an application bar, which has advantages over an application roller, since a sharper angling of the carrier tape is possible in the transfer phase, as a result of which the tear-off after the transfer has taken place has less tendency to form a flutter edge. On the other hand, it is disadvantageous compared to a solution with an application roller that the carrier strip is guided over the carrier strip with frictional engagement, which, depending on the carrier strip quality, can lead to undesired stiffness.
Grundsätzlich sind Kunststoffe bekannt, die ein gutes Gleitverhalten aufweisen, wie beispielsweise Polytetrafluorethy- len (PTFE), welches jedoch im Preis um ein Vielfaches höher liegt als die üblicherweise für die Bauteile eines gattungsgemäßen Gerätes eingesetzten Standardwerkstoffe. Aus Kostengründen scheidet deshalb die Verwendung eines Auftragsfußes aus Polytetrafluorethylen aus.Basically, plastics are known which have good sliding behavior, such as polytetrafluoroethylene (PTFE), which, however, is many times more expensive than the standard materials normally used for the components of a generic device. For reasons of cost, the use of an application foot made of polytetrafluoroethylene is therefore ruled out.
Da Polytetrafluorethylen kein echtes Thermoplast ist, muß auch ausgeschlossen werden, den gleitaktiven Bereich des Auftragsfußes im Mehrkomponenten- oder Hinterspritzverfahren mit diesem hochwertigen Material zu beaufschlagen. Eine denkbare Lösung, wie das Abkleben der Auftragsleiste mit einer selbstklebenden fluorkunststoffbeschichteten Folie, ist zwar schon untersucht worden, jedoch aus fertigungstechnischer Sicht für einen Massenartikel ungeeignet.Since polytetrafluoroethylene is not a real thermoplastic, it must also be ruled out to apply this high-quality material to the sliding active area of the application foot in a multi-component or back-injection process. A Conceivable solution, such as masking the application bar with a self-adhesive fluoroplastic-coated film, has already been investigated, but is unsuitable for a mass-produced article from a manufacturing point of view.
Ein gattungsgemäßes Gerät ist aus US-A-5, 30, 904 bekannt. Bei diesem Gerät ist der Auftragsfuß im vom Trägerband umschlungenen Bereich mit einem Gleitelement aus einem rei- bungsmindernden gummiartigen Material versehen, das am Auftragsfuß befestigt ist. Dieses Gleitelement soll die Übertragung des Filmes auf das Substrat verbessern. Es weist dabei im aktiven Anpreßsegment der Auftragsleiste einen rotationssymmetrischen Kurvenverlauf und dadurch bedingt einen kleinen linienförmigen Kontaktbereich mit dem Substrat auf. Es hat sich herausgestellt, daß beim Übertragen der Klebstoffschicht auf ein Substrat die Klebstoffschicht leicht einreißt, so daß das Trägerband auf seiner Silikonschicht über das Substrat gleitet und der Antrieb unterbrochen wird.A generic device is known from US-A-5, 30, 904. In this device, the application foot is provided in the area wrapped by the carrier tape with a sliding element made of a friction-reducing rubber-like material which is attached to the application foot. This sliding element is said to improve the transfer of the film to the substrate. It has a rotationally symmetrical curve profile in the active pressure segment of the application bar and therefore has a small linear contact area with the substrate. It has been found that when the adhesive layer is transferred to a substrate, the adhesive layer tears easily, so that the carrier tape on its silicone layer slides over the substrate and the drive is interrupted.
Aufgabe der Erfindung ist es deshalb, ein gattungsgemäßes Gerät so zu verbessern, daß mit geringstmöglichem Aufwand eine einwandfreie Übertragung des Filmes auf das Substrat gewährleistet wird.The object of the invention is therefore to improve a generic device in such a way that a flawless transfer of the film to the substrate is ensured with the least possible effort.
Diese Aufgabe wird bei einem Gerät der eingangs bezeichneten Art erfindungsgemäß dadurch gelöst, daß das Gleitelement eine elliptische Querschnittsform aufweist, derart, daß beimThis object is achieved according to the invention in a device of the type described in the introduction in that the sliding element has an elliptical cross-sectional shape, such that when
Übertragen des Filmes auf das Substrat der Andrückbereich des Gleitelementes unter Zwischenanordnung des Tragerbandes flächig am Substrat anliegt.Transfer of the film to the substrate, the pressing area of the sliding element lies flat against the substrate with the interposition of the carrier tape.
Auf überraschend einfache Weise ist es erfindungsgemäß möglich, durch einfache Änderung der Querschnittsform des Gleitelementes eine wesentlich größere Kontaktfläche zwischen dem Gleitelement einerseits und dem Substrat andererseits zu schaffen, um eine ausreichende Andruckfläche zur Verfugung zu stellen, die gewährleistet, daß die Klebstoffschicht nicht abreißt, so daß eine einwandfreie Funktion des Gerätes gegeben ist. Das Gleitelement selbst kann bei dieser Ausbildung gleichwohl ausgesprochen klein sein, es kann beispielsweise als Halbzeug kleinster Abmessungen (beispielsweise mit einem Außendurchmesser von 1 - 1,2 mm und 0,2 bis 0,3 mm Wandstarke) hergestellt werden, indem es auf die gewünschte Lange abgeschnitten, in Längsrichtung geschlitzt und dann aufgespreizt und auf den Auftragsfuß geschoben wird. Dies kann auf einfache Weise auch automatisch erfolgen.In a surprisingly simple manner, it is possible according to the invention to create a substantially larger contact area between the sliding element on the one hand and the substrate on the other hand by simply changing the cross-sectional shape of the sliding element, in order to provide a sufficient contact surface which ensures that the adhesive layer does not tear off, so that the device functions properly. The sliding element itself can nevertheless be extremely small in this embodiment, for example it can be produced as a semifinished product of very small dimensions (for example with an outer diameter of 1 to 1.2 mm and 0.2 to 0.3 mm wall thickness) by being on the desired one Cut long, slit lengthways and then spread and pushed onto the application foot. This can also be done automatically in a simple manner.
Besonders vorteilhaft ist vorgesehen, daß das Gleitelement aus Polytetrafluorethylen (PTFE) besteht, da dieses Material ein besonders gutes Gleitverhalten aufweist. Natürlich können auch Materialien mit vergleichbaren Eigenschaften einge- setzt werden.It is particularly advantageously provided that the sliding element consists of polytetrafluoroethylene (PTFE), since this material has particularly good sliding behavior. Of course, materials with comparable properties can also be used. be set.
Weiterhin ist vorteilhaft vorgesehen, daß der das Gleitelement aufnehmende Endabschnitt des Auftragsfußes ebenfalls eine wenigstens bereichsweise elliptische Querschnittsform aufweist. Das Gleitelement kann dann besonders einfach hergestellt werden, da die Innenkontur desselben der Außenkontur weitgehend entsprechend kann. Es ist dann zudem sicher am Auftragsfuß gehalten.Furthermore, it is advantageously provided that the end section of the application foot receiving the sliding element likewise has an at least partially elliptical cross-sectional shape. The sliding element can then be produced in a particularly simple manner since the inner contour thereof can largely correspond to the outer contour. It is then also held securely on the application foot.
Die Erfindung ist nachstehend anhand der Zeichnungen beispielsweise näher erläutert. Diese zeigen in:The invention is explained below with reference to the drawings, for example. These show in:
Fig. 1 in isometrischer Darstellung einen Auftragsfuß eines Gerätes nach dem Stand der Technik ohne Gleitelement,1 isometric view of an application base of a device according to the prior art without a sliding element,
Fig. 2 in Seitenansicht teilweise im Schnitt den Auftragsfuß eines erfindungsgemäßen Gerätes ohne Gleitelement,2 is a side view, partly in section, of the application foot of a device according to the invention without a sliding element,
Fig. 2a im Schnitt das Gleitelement für das Gerät nach Fig. 2,2a in section, the sliding element for the device of FIG. 2,
Fig. 3 die Vorderansicht des Auftragsfußes, Fig. 4 in Seitenansicht teilweise im Schnitt den Auftragsfuß nach Fig. 2 mit eingeschwenktem Auslegerarm und aufgesetztem Gleitelement,3 shows the front view of the application foot, 4 shows a side view, partly in section, of the application foot according to FIG. 2 with the extension arm pivoted in and the sliding element attached,
Fig. 5 eine Vorderansicht der Fig. 4 und5 is a front view of FIGS. 4 and
Fig. 6 in isometrischer Darstellung den Auftragsfuß.6 is the isometric view of the application foot.
In Figur 1 ist ein herkömmliches Gerat zum Übertragen eines in Form eines Filmes auf ein Tragerband aufgebrachten Stoffes auf ein Substrat nach dem Stand der Technik ohne Gleitelement dargestellt, allerdings nur mit den für die Erfindung bedeutsamen Teilen, nämlich einem allgemein mit 1 bezeichneten Auftragsfuß. Dieser Auftragsfuß 1 ist mit einer Auftragsleiste 2 ausgerüstet, um den ein beschichtetes Tragerband 3, das von einer nicht dargestellten Vorratsspule des Gerätes kommt, um die Auftragsleiste 2 gefuhrt ist. Nach dem Transfer der Schicht 4 auf ein Substrat wird es als Leerband 5 zu einer nicht dargestellten Aufwickelspule weitergeleitet. Im Hinblick auf die Leichtgangigkeit des Gerätes und eine einwandfreie Übertragung des Filmes auf das Substrat hat sich herausgestellt, daß ein solcher Auftragsfuß 1 nicht zufriedenstellend ist.FIG. 1 shows a conventional device for transferring a substance applied in the form of a film onto a carrier tape to a substrate according to the prior art without a sliding element, but only with the parts that are important for the invention, namely an application foot, generally designated 1. This application foot 1 is equipped with an application bar 2, around which a coated carrier tape 3, which comes from a supply spool (not shown) of the device, is guided around the order bar 2. After the transfer of the layer 4 to a substrate, it is passed on as a blank tape 5 to a winding spool (not shown). With regard to the smooth running of the device and a flawless transfer of the film to the substrate, it has been found that such an application foot 1 is not satisfactory.
Erfindungsgemaß ist deshalb eine andere Ausgestaltung des Auftragsfußes vorgesehen, dies ist in den Figuren 2 ff. dargestellt. Ein erfindungsgemaßer Auftragsfuß eines erfindungsgemaßen Gerätes ist in den Figuren allgemein mit 6 bezeichnet. Dieser Auftragsfuß 6 weist Bandfuhrungsohren 7 auf, zwischen denen das Tragerband gefuhrt ist. Der Auftragsfuß 6 ist mit einem Auslegerarm 9 versehen, der schwenkbar über ein Filmscharnier 8 am Auftragsfuß 6 angelenkt ist. Dieser Auslegerarm 9 ist endseitig als Aufnahmeprofil (Endabschnitt 10) für ein clipsartiges Gleitelement 15 ausgebildet. Am Auftragsfuß 6 sind Nuten 13 ausgespart, die dazu dienen, in eingeschwenkter Lage des Auslegerarmes 9 ein rastendes Einklinken des Auslegerarmes 9 am Auftragsfuß 6 zu erreichen, wozu am Auslegerarm 9 beidaußenseitig Rastnocken 12 vorgesehen sind.According to the invention, another embodiment of the application foot is therefore provided, as shown in FIGS. 2 ff. An application foot according to the invention of a device according to the invention is generally designated 6 in the figures. This application foot 6 has tape guide ears 7, between which the carrier tape is guided. The application foot 6 is provided with a cantilever arm 9 which is pivotably articulated on the application foot 6 via a film hinge 8. This cantilever arm 9 is designed at the end as a receiving profile (end section 10) for a clip-like sliding element 15. Grooves 13 are recessed on the application foot 6, which serve to achieve a latching engagement of the extension arm 9 on the application foot 6 in the pivoted-in position of the extension arm 9, for which purpose locking cams 12 are provided on the extension arm 9 on both sides.
Wie aus Figur 3 hervorgeht, weist der Auslegerarm 9 vorzugsweise langsgerichtete Rippen 11 auf. Diese Rippen 11 dienen in Verbindung mit der Wahl eines elastischen Materiales, z.B. Polyolefin, für eine besonders gute Kontaktsicherung zwischen der Auftragsleiste (Endabschnitt 10) und möglichen Unebenheiten der Substratebene. Da das clipsartige Gleitelement 15 aus Polytetrafluorethylen ebenfalls elastisch ist, wird dadurch erreicht, daß auch bei unebenem Substrat die gesamte Transferbreite des Bandes mit Druck beaufschlagt wird und ahnlich einer elastische Rolle eine Blasenbildung zuverlässig verhindert wird, so daß eine glatte Beschichtung auf dem Substrat erfolgt. Erfindungswesentlich weist das Gleitelement 15, wie besonders gut aus den Figuren 2a und 4 hervorgeht, eine elliptische Querschnittsform auf, derart, daß beim Übertragen des Filmes auf das Substrat der Andrückbereich 15a des Gleitelementes 15 unter Zwischenanordnung des Trägerbandes flächig am Substrat anliegt. Ferner ist vorgesehen, daß der das Gleitelement 15 aufnehmende Endabschnitt 10 des Auftragsfußes 6 bzw. des Auslegerarmes 9 ebenfalls eine wenigstens bereichsweise elliptische Querschnittsform aufweist, dieser Bereich ist in Figur 2 mit dem Bezugszeichen 10a angedeutet.As is apparent from FIG. 3, the cantilever arm 9 preferably has ribs 11 which are directed in a slow direction. These ribs 11 are used in conjunction with the selection of an elastic material, for example polyolefin, for particularly good contact securing between the application bar (end section 10) and possible unevenness in the substrate plane. Since the clip-like sliding element 15 made of polytetrafluoroethylene is also elastic, this is achieved by applying pressure to the entire transfer width of the ribbon even with an uneven substrate and reliably preventing bubbles from forming, similar to an elastic roller, so that a smooth coating takes place on the substrate. Essential to the invention, as can be seen particularly well from FIGS. 2a and 4, the sliding element 15 has an elliptical cross-sectional shape, such that when the film is transferred to the substrate, the pressing region 15a of the sliding element 15 lies flat against the substrate with the carrier tape being arranged in between. Furthermore, it is provided that the end section 10 of the application foot 6 or the extension arm 9 receiving the sliding element 15 also has an at least partially elliptical cross-sectional shape, this area is indicated in FIG. 2 by the reference number 10a.
Die Figuren 4 und 5 zeigen den Auslegerarm 9 in eingeschwenkter und arretierter Lage. Dabei ist das Filmscharnier 8 um ca. 90° verschwenkt. Das auf den Endabschnitt 10 des Auslegerarmes 9 aufgesetzte clipsartige Gleitelement 15 ist zusätzlich dadurch befestigt, daß Anschlagstufen 16 und 17 am Auftragsfuß 6 bzw. am Auslegerarm 9 vorgesehen sind, wodurch das Gleitelement 15 gegen Rotation gesichert ist. Durch die Anlage des Auslegerarmes 9 an einer Traverse 18 des Auftragsfußes 6 wird erreicht, daß der freie Endabschnitt 10 des Auslegers 9 in seiner Gesamtheit nachgiebig ausfedern kann.Figures 4 and 5 show the cantilever arm 9 in the pivoted and locked position. The film hinge 8 is pivoted about 90 °. The clip-like sliding element 15 placed on the end section 10 of the extension arm 9 is additionally fastened in that stop stages 16 and 17 are provided on the application foot 6 and on the extension arm 9, respectively, whereby the sliding element 15 is secured against rotation. By placing the cantilever arm 9 on a crossmember 18 of the application foot 6, it is achieved that the free end section 10 of the cantilever 9 can spring out in its entirety.
Aus Figur 5 ist der Auftragsfuß 6 in Vorderansicht mit in die Nuten 13 eingeklinkten Rastnocken 12 und dementsprechend befestigtem Gleitelement 15 zu erkennen. Durch Anschläge 19 am Auftragsfuß 6 wird erreicht, daß bei einem möglichen, zu starken Anpreßdruck bei unsachgemäßer Handhabung des Gerätes die vom Gleitelement 15 gebildete Auftragsleiste einen letzten Endanschlag erhält, der so dimensioniert ist, daß das Gleitelement 15 immer noch einige Zehntel mm über die Kontur der Bandführungsohren 7 hervorragt, so daß die Transferfunktion immer gesichert bleibt. Weiterhin ist erkennbar, daß vorteilhaft die Enden 20 des clipsartigen Gleitelementes 15 in Ausnehmungen 21 der Bandführungsohren 7 versenkt angeordnet sind, wodurch erreicht wird, daß das Trägerband von den durch das Ablängen des Schlauches, aus dem das Gleitelement 15 vorzugsweise hergestellt wird, möglicherweise verquetschten Enden 20 ferngehalten wird.From Figure 5, the application foot 6 is a front view with latching cams 12 clipped into the grooves 13 and accordingly attached sliding element 15 to recognize. By stops 19 on the application foot 6 it is achieved that in the event of a possible excessive contact pressure with improper handling of the device, the application bar formed by the sliding element 15 receives a final end stop which is dimensioned such that the sliding element 15 is still a few tenths of a millimeter above the contour of the tape guide ears 7 protrudes so that the transfer function always remains secure. Furthermore, it can be seen that the ends 20 of the clip-like sliding element 15 are advantageously recessed in recesses 21 of the band guide ears 7, which ensures that the carrier band is squeezed from the ends possibly squeezed by the lengthening of the hose from which the sliding element 15 is preferably made 20 is kept away.
In Figur 6 ist der gesamte Auftragsfuß 6 in Funktionslage, d.h. mit eingeschwenktem und arretiertem Auslegerarm 9, nochmals dargestellt, und zwar in der Endlage des clipsartigen Gleitelementes 15 mit Sicherung gegen Rotation und Längs erschiebung.In Figure 6 the entire application foot 6 is in the functional position, i.e. with pivoted and locked cantilever arm 9, shown again, in the end position of the clip-like sliding element 15 with protection against rotation and longitudinal displacement.
Natürlich ist die Erfindung nicht auf die dargestellten Ausführungsbeispiele beschränkt. Weitere Ausgestaltungen sind möglich, ohne den Grundgedanken zu verlassen. Das Gleitelement 15 muß selbstverständlich nicht eine exakte elliptische Querschnittsform aufweisen, wesentlich ist, daß es einen flächigen Andrückbereich 15a bildet. Of course, the invention is not limited to the exemplary embodiments shown. Further configurations are possible without leaving the basic idea. Of course, the sliding element 15 does not have to have an exact elliptical cross-sectional shape, it is essential that it has one flat pressing area 15a forms.

Claims

Patentansprüche : Claims:
1. Gerät zum Übertragen eines in Form eines Filmes auf ein Trägerband aufgebrachten Stoffes auf ein Substrat, wie ein Schreib- oder Zeichenblatt, mit einem Gehäuse, in dem eine Vorratsspule für das filmbeschichtete Trägerband und eine Leerspule zur Aufnahme des entschichteten Trägerbandes angeordnet sind, wobei das filmbeschichtete Tragerband über einen Auftragsfuß gefuhrt ist, welcher wenigstens im vom Tragerband umschlungenen Bereich mit einem clipsartigen Gleitelement aus einem reibungsmindernden Material versehen ist, welches am Auftragsfuß befestigt ist, dadurch gekennzeichnet, daß das Gleitelement (15) eine elliptische Querschnittsform aufweist, derart, daß beim übertragen des Filmes auf das Substrat der Andruckbereich (15a) des Gleitelementes (15) unter Zwischenanordnung des Tragerbandes flachig am Substrat anliegt .1. An apparatus for transferring a substance applied in the form of a film onto a carrier tape onto a substrate, such as a writing or drawing sheet, with a housing in which a supply spool for the film-coated carrier tape and an empty spool for receiving the stripped carrier tape are arranged, wherein the film-coated carrier tape is guided over an application foot, which is provided at least in the area wrapped by the carrier tape with a clip-like sliding element made of a friction-reducing material, which is attached to the application foot, characterized in that the sliding element (15) has an elliptical cross-sectional shape such that when the film is transferred to the substrate, the pressure area (15a) of the sliding element (15) lies flat against the substrate with the carrier tape arranged in between.
2. Gerat nach Anspruch 1, dadurch gekennzeichnet, daß das Gleitelement (15) aus Polytetrafluorethylen (PTFE) besteht . Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der das Gleitelement (15) aufnehmende Endabschnitt (10) des Auftragsfußes (6) ebenfalls eine wenigstens bereichsweise elliptische Querschnittsform aufweist. 2. Device according to claim 1, characterized in that the sliding element (15) consists of polytetrafluoroethylene (PTFE). Apparatus according to claim 1 or 2, characterized in that the end section (10) of the application foot (6) receiving the sliding element (15) also has an at least partially elliptical cross-sectional shape.
EP99944354A 1998-08-19 1999-08-10 Device for transferring a material in the form of a film that is applied to a carrier strip onto a substrate Expired - Lifetime EP1105331B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19837573 1998-08-19
DE19837573 1998-08-19
DE19859270 1998-12-22
DE19859270 1998-12-22
PCT/EP1999/005786 WO2000010897A1 (en) 1998-08-19 1999-08-10 Device for transferring a material in the form of a film that is applied to a carrier strip onto a substrate

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EP1105331A1 true EP1105331A1 (en) 2001-06-13
EP1105331B1 EP1105331B1 (en) 2003-05-21

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US (1) US6629552B1 (en)
EP (1) EP1105331B1 (en)
JP (1) JP2002523317A (en)
KR (1) KR100538418B1 (en)
CN (1) CN1098797C (en)
AT (1) ATE240899T1 (en)
BR (1) BR9913117A (en)
CA (1) CA2341201A1 (en)
DE (1) DE59905667D1 (en)
DK (1) DK1105331T3 (en)
ES (1) ES2200549T3 (en)
HK (1) HK1036788A1 (en)
ID (1) ID30070A (en)
PL (1) PL192728B3 (en)
PT (1) PT1105331E (en)
RU (1) RU2204524C2 (en)
TR (1) TR200100129T2 (en)
WO (1) WO2000010897A1 (en)

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DE10001465C2 (en) * 2000-01-15 2003-11-13 Pritt Produktionsgesellschaft Device for transferring a substance applied in the form of a film onto a carrier tape onto a substrate
CN1178829C (en) * 2000-06-30 2004-12-08 普乐士文具株式会社 Film delivery means and method for making minor diameter roll of delivery head thereof
US7163040B2 (en) * 2004-01-13 2007-01-16 Sanford L.P. Correction tape applicator tip with cylindrical projection
EP1609841A1 (en) * 2004-06-22 2005-12-28 Stone & Webster Process Technology, Inc. Integrated desulfurization and FCC process
US8397784B2 (en) 2010-08-31 2013-03-19 Sanford, L.P. Correction tape dispenser with variable clutch mechanism
US8746313B2 (en) 2010-12-29 2014-06-10 Sanford, L.P. Correction tape re-tensioning mechanism and correction tape dispenser comprising same
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US8746316B2 (en) 2011-12-30 2014-06-10 Sanford, L.P. Variable clutch mechanism and correction tape dispenser with variable clutch mechanism

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KR920701028A (en) 1989-05-20 1992-08-10 아까시로 다로오 Warrior Warrior
WO1991009805A1 (en) * 1989-12-27 1991-07-11 Czewo-Plast Kunststofftechnik Gmbh Dispenser for applying an adhesive material onto a substrate
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CN1323917C (en) * 2001-07-05 2007-07-04 Bic学会 Hand-held device for applying film, for example, of adhesive, covering or coloured material from backing tape onto substrate

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Publication number Publication date
CN1098797C (en) 2003-01-15
KR20010072688A (en) 2001-07-31
TR200100129T2 (en) 2001-06-21
BR9913117A (en) 2001-05-15
ES2200549T3 (en) 2004-03-01
PT1105331E (en) 2003-10-31
EP1105331B1 (en) 2003-05-21
ATE240899T1 (en) 2003-06-15
HK1036788A1 (en) 2002-01-18
PL192728B3 (en) 2006-12-29
RU2204524C2 (en) 2003-05-20
JP2002523317A (en) 2002-07-30
DK1105331T3 (en) 2003-09-15
ID30070A (en) 2001-11-01
CA2341201A1 (en) 2000-03-02
KR100538418B1 (en) 2005-12-22
US6629552B1 (en) 2003-10-07
WO2000010897A1 (en) 2000-03-02
CN1312768A (en) 2001-09-12
DE59905667D1 (en) 2003-06-26
PL345947A1 (en) 2002-01-14

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