EP0795356B1 - Sealing and masking strips - Google Patents

Sealing and masking strips Download PDF

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Publication number
EP0795356B1
EP0795356B1 EP96103788A EP96103788A EP0795356B1 EP 0795356 B1 EP0795356 B1 EP 0795356B1 EP 96103788 A EP96103788 A EP 96103788A EP 96103788 A EP96103788 A EP 96103788A EP 0795356 B1 EP0795356 B1 EP 0795356B1
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EP
European Patent Office
Prior art keywords
sealing
lips
masking
masking strip
strip according
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
EP96103788A
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German (de)
French (fr)
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EP0795356A1 (en
Inventor
Klaus-Wilhelm Voss
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.)
Vosschemie GmbH
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Vosschemie 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 Vosschemie GmbH filed Critical Vosschemie GmbH
Priority to ES96103788T priority Critical patent/ES2131883T3/en
Priority to DE59601995T priority patent/DE59601995D1/en
Priority to AT96103788T priority patent/ATE180422T1/en
Priority to EP96103788A priority patent/EP0795356B1/en
Publication of EP0795356A1 publication Critical patent/EP0795356A1/en
Application granted granted Critical
Publication of EP0795356B1 publication Critical patent/EP0795356B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/26—Masking elements, i.e. elements defining uncoated areas on an object to be coated for masking cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/24—Masking elements, i.e. elements defining uncoated areas on an object to be coated made at least partly of flexible material, e.g. sheets of paper or fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/26—Masking elements, i.e. elements defining uncoated areas on an object to be coated for masking cavities
    • B05B12/265—Masking elements, i.e. elements defining uncoated areas on an object to be coated for masking cavities between a door and a post, e.g. foam strips

Definitions

  • the invention relates to a sealing and cover strip according to the preamble of Claim 1.
  • Sealing and cover strips use, preferably in the area of the doors and the Tailgate, where the sealing and cover strips prevent color or penetration Prevent paint mist in the door gap.
  • the adhesive layers for Have fixation on the object to be processed are also in Form of a composite offered that is easy and practical to handle or can be packed.
  • several strips are laterally connected to each other, whereby the connection is continuous or only in the partial area.
  • a method and a device are known from WO 90/15668 with which should be prevented that a paint spray certain surfaces that lead to a belong to the object to be painted, are wetted, these surfaces in a different plane than the surfaces of the object to be painted are and of such a paint spray after passing through a Gap can be achieved.
  • the entry of the paint spray into a gap, e.g. the gap between two body parts is therefore prevented in that a flexible sealing strip is inserted into the gap, which completely covers the gap fills out, this sealing strip using an adhesive tape in the gap area attached or manufactured on site.
  • This sealing strip has e.g.
  • a device for temporarily bridging body joints, in particular in painting work is known from DE-A-41 06 960.
  • This device to prevent the penetration of abrasives or paint particles in the Appropriate treatment of body parts consists of a sealing strip from a cross-sectionally approximately triangular full profile made of a soft foam plastic with an adhesive coating on at least one of the three sides, the one of the cathets of the roughly rectangular triangle Cross-sectional profile is equipped with a reverberating area, during the the catheter area is provided with this adhesive coating. On the objection side, this cross-sectional profile exhibits an arched indentation Formation of a flute-like section. Locks when in use the sealing strip wedge-shaped the gap between two body parts.
  • the arrangement of the adhesive coating on one of the three outer wall surfaces of the triangular sealing strip sets when using the sealing strip ahead that the outer wall surface of one of a body part one to closing gap laterally limiting contact and mounting surface for the Forms sealing strips.
  • a fastening of the sealing strip in the range of undercut body panels is not possible.
  • Cover strips are also known which prevent with the aid of a lateral lip that the paint or its solvent come into contact with the adhesive layer, Da there is no clear demarcation between the new lacquer layer and the old one the edge areas of the newly painted surfaces spray mist, which is also expensive must be eliminated.
  • the perfect Delimitation between the paint surfaces to be repainted and the existing paint surfaces an object, preferably in the area of the doors and the tailgate Vehicle guaranteed without the need for extensive post-processing Transitional areas are necessary.
  • the sealing and cover strip preferably has one on both sides of the adhesive strip Lip and a fillet, the cross section being symmetrical or through different dimensions of the lips and / or fillets too can be asymmetrical.
  • the lip and the fillet are designed such that when used Do not position the lip on the surface that is also to be painted vertically Surface can rest.
  • the basic body or the cross section of the sealing and cover strip is derived from a square.
  • the first area preferably has rounded corners, see above that there is also an approximately semicircular surface can.
  • the second area bears the along the Adhesive layer applied along the longitudinal axis, although conditionally the width in the fillets on both sides second area may be less than in the first area.
  • A is preferably used to build up the adhesive layer mere pressing adhesive, preferably a so-called dispersion adhesive used.
  • An open-celled flexible foam made of polyurethane with a density of 20-30 kg / m 3 is preferably used as the foam, but other foams such as polyester, polystyrene, PVC, polyethylene, polyisocyanate, polyphenol and silicone foams can also be used .
  • the sealing and covering strip according to the invention is preferred distributed in a network, whereby the parallel Sealing and masking strips using the lip are connected, their final advantageous for use Shape by tearing off the adjacent sealing and Receives cover strips.
  • the bond arises from the fact that the manufacture a flat foam pad by sawing or Milling is done. Doing so will match each other opposite cuts in a foam block introduced so that two incisions lie opposite each other and only separated by a narrow tear-off bridge are, the tear-off bridge of two still closed separating lips from two adjacent sealing and masking strips consists.
  • the great inventive advantage is the use the lip as a contact bridge.
  • the finished sealing and cover strip can namely be used so that the Contact bridge with one next to the sealing and cover strip lying, preferably curved surface section Establishes contact and thus direct contact of sprayed-on lacquer with the strip holding it Prevents glue.
  • a contact between paint and Adhesive leads to undesirable edge formation, since this mixture generally hardens and is difficult to remove.
  • 1 to 4 show different embodiments of the sealing and cover strip 100 according to the invention, 200, 300, 400 in a network.
  • the embodiment according to FIG. 1 shows for the individual Sealing and masking strips 100 from the square derived cross-sectional profile 10.
  • the first area 17 takes about 2/3 of the cross-sectional profile 10 and the second Range 1/3 on.
  • the adhesive layer 21 arranged centrally between the lips 13, 14, wherein between the adhesive layer and the lips 13, 14 each a groove 22, 23 is formed.
  • the width B1 of the Adhesive layer 21 is dimensioned smaller than the width B2 of the first area 17.
  • the sealing and cover strips 200, 300, 400 have one different configuration of the first region 17. So is the first region 17 of the embodiment according to FIG. 2 formed approximately semicircular during the embodiment 3 tapering towards each other Flanks 24, 25 and a curved top 26 and the Embodiment according to FIG. 4 flanks running parallel 27, 28, an upper side running at right angles thereto 28a and bevelled corners 29, 30.
  • grooves 22, 23 are in the embodiments 2 and 3 the same as for the sealing and cover strip 100 according to FIG. 1.
  • the sealing and cover strip 400 according to FIG. 4 has instead of fillets, simply sloping surfaces 31, 32 on.
  • the lips 13, 14 or the corresponding tear-off bridge 15 is shorter than that of FIG. 1.
  • Fig. 5 shows a sealing and cover strip according to the invention 100, the one in a car door gap 33 one shown vehicle is arranged.
  • the sealing and Covering strip 100 is such with its adhesive layer 21 fixed on the door frame 34 that one of his lips 13th one curved to the adhesive surface 35 of the vehicle Surface portion of the door frame 34 contacted, so that color penetrating into the car door gap is not used Adhesive layer 21 can reach.
  • the door 36 of the vehicle acts on the first area 17 of the sealing and cover strip 100, with the pressure of adjacent door 36 is sufficient.
  • the color application 37 is in the area of the sealing and cover strip 100 of the latter open-cell foam material absorbed, so that in corners 38, 39 there is no unnecessary accumulation of color.

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  • Seal Device For Vehicle (AREA)
  • Packages (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

A new sealing and covering strip (100) is partially coated with an adhesive layer (21) along the longitudinal axis. Body (16) sections are joined together by lips (13, 14) on the strip. In this original development, a hollow recess (22, 23) is seen between the connecting lips and the adhesive layer. Preferably, in place of a hollow recess between lip and adhesive layer there may be an inclined surface. Other shapes are possible. The shape is symmetrical. Various other lip and flank shapes are described. Various angled, curved and slanted shapes are possible for the upper surface.

Description

Die Erfindung betrifft einen Dicht- und Abdeckstreifen gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a sealing and cover strip according to the preamble of Claim 1.

Bei der Lackierung von Fahrzeugen oder Teilbereichen von Fahrzeugen finden Dicht- und Abdeckstreifen Verwendung, vorzugsweise im Bereich der Türen und der Heckklappe, wo die Dicht- und Abdeckstreifen ein Eindringen von Farbe oder Farbnebel in den Türspalt verhindern sollen.Find when painting vehicles or parts of vehicles Sealing and cover strips use, preferably in the area of the doors and the Tailgate, where the sealing and cover strips prevent color or penetration Prevent paint mist in the door gap.

Dafür sind die verschiedensten Querschnittsprofile für Dicht- und Abdeckstreifen bekannt.There are various cross-sectional profiles for sealing and cover strips known.

So gibt es eckige oder runde Dicht- und Abdeckstreifen, die Kleberschichten zur Fixierung am zu bearbeitenden Objekt aufweisen. Derartige Streifen werden auch in Form eines Verbundes angeboten, der sich einfach und praktisch handhaben bzw. verpacken läßt. Dazu sind mehrere Streifen seitlich miteinander verbunden, wobei die Verbindung durchgehend oder auch nur im Teilbereich ausgeführt ist.So there are square or round sealing and cover strips, the adhesive layers for Have fixation on the object to be processed. Such strips are also in Form of a composite offered that is easy and practical to handle or can be packed. For this purpose, several strips are laterally connected to each other, whereby the connection is continuous or only in the partial area.

Bei diesen Dicht- und Abdeckstreifen ist es nachteilhaft, daß der Lackauftrag bis an den Dicht- und Abdeckstreifen und damit an die Kleberschicht angrenzend erfolgt, so daß das Lösungsmittel des Lacks die Kleberschicht angreift. Daraus folgt eine Verhärtung des Klebers und des anhaftenden Lackes. Die daraus resultierende Unebenheit im Lack- und Kleberfilm nach dem Entfernen des Streifens ist vom Lackierer nur mit großem Zeit- und Arbeitsaufwand zu entfernen. Da derartige Dicht- und Abdeckstreifen in der Regel aus Schaumstoff gefertigt sind, verbleiben nach dem Abziehen des Streifens auch Schaumstoffreste an dem verhärteten Kleber, die zusätzliche Probleme bei der Erstellung einer einwandfreien Lackierung bereiten.With these sealing and cover strips, it is disadvantageous that the paint application up to the sealing and cover strips and thus adjacent to the adhesive layer, so that the solvent of the paint attacks the adhesive layer. It follows hardening of the adhesive and the adhering varnish. The resulting one Unevenness in the paint and adhesive film after removing the strip is from Only remove painters with a lot of time and effort. Because such sealing and Cover strips are usually made of foam, remain after the Peeling off the strip also left foam residue on the hardened adhesive cause additional problems when creating a perfect paint job.

Auch die Trocknung des Lacks in Trockenkammern bei ca. 80°C trägt wesentlich zur Verhärtung des (angelösten) mit Lack beaufschlagten Klebers bei. Darüberhinaus besteht bei runden Dicht- und Abdeckstreifen das Problem, daß die sich kaum derart exakt positionieren lassen, daß die Kleberschicht nahezu vollständig auf dem Objekt aufliegt. Daher sind in der Praxis erhebliche Klebstofflächen vorhanden, die sich mit dem Lack verbinden und verhärten können.Drying the paint in drying chambers at approx. 80 ° C also makes a significant contribution Hardening of the (loosened) adhesive applied with lacquer. Furthermore there is the problem with round sealing and cover strips that they are hardly such have it positioned exactly so that the adhesive layer is almost completely on the object lies on. Therefore, in practice there are considerable areas of adhesive that can be used connect and harden the paint.

Durch die WO 90/15668 ist ein Verfahren und eine Vorrichtung bekannt, mit denen verhindert werden soll, daß ein Farbsprühnebel bestimmte Oberflächen, die zu einem zu lackierenden Gegenstand gehören, benetzt werden, wobei sich diese Oberflächen in einer anderen Ebene als die zu lackierenden Oberflächen des Gegenstandes befinden und von einem derartigen Farbsprühnebel nach dem Durchtritt durch einen Spalt erreicht werden können. Das Eintreten des Farbsprühnebels in einen Spalt, z.B. den Spalt zwischen zwei Karosserieteilen wird daher dadurch verhindert, daß in den Spalt ein flexibler Dichtungsstreifen eingebracht wird, der den Spalt vollständig ausfüllt, wobei dieser Dichtungsstreifen mittels eines Klebebandes im Spaltbereich befestigt oder vor Ort hergestellt wird. Dieser Dichtungsstreifen weist z.B. ein L-förmiges Querschnittsprofil auf, dessen einer Schenke außenseitig mit einer Beschichtung aus einem Klebemittel versehen ist, wobei der innere Übergang des Wandabschnittes zwischen den beiden Schenkelenden bogenförmig nach innen unter Ausbildung eines hohlkehlenartigen Abschnittes eingezogen ist. Die Anordnung der Dichtungsstreifen in einem Spalt zwischen einem beweglichen Karosserieteil, z.B. einer Tür, und einem feststehenden Karosserieteil erfolgt in der Weise, daß der Dichtungsstreifen mit seinem die Kleberschicht tragenden Schenkel an einer den zu verschließenden Spalt einseitig begrenzenden senkrechten Wand des feststehenden Karosserieteiles befestigt wird, was jedoch voraussetzt, daß ein derartiger senkrechter Wandabschnitt vorhanden ist, an dem die Befestigung des Dichtungsstreifens möglich ist. In den Fällen, in denen jedoch diese Befestigungsfläche nicht vorhanden ist, ist dieser Dichtungsstreifen nicht einsetzbar, d.h. somit in allen Fällen, bei denen es sich um Hinterschneidungen an den Karosserieteilen handelt. Beim Schließen des beweglichen Karosserieteiles verformt sich dann der Dichtungsstreifen und dichtet den Spalt ab.A method and a device are known from WO 90/15668 with which should be prevented that a paint spray certain surfaces that lead to a belong to the object to be painted, are wetted, these surfaces in a different plane than the surfaces of the object to be painted are and of such a paint spray after passing through a Gap can be achieved. The entry of the paint spray into a gap, e.g. the gap between two body parts is therefore prevented in that a flexible sealing strip is inserted into the gap, which completely covers the gap fills out, this sealing strip using an adhesive tape in the gap area attached or manufactured on site. This sealing strip has e.g. a L-shaped cross-sectional profile, one of which on the outside with a Coating is provided from an adhesive, the inner transition of the Wall section between the two leg ends in an arc shape is pulled in forming a flute-like section. The order the sealing strip in a gap between a movable body part, e.g. a door, and a fixed body part takes place in such a way that the Sealing strip with its leg carrying the adhesive layer on one of the closing gap on one side delimiting vertical wall of the fixed Body part is attached, but this presupposes that such a vertical Wall section is present on which the fastening of the weather strip is possible. In cases where this mounting surface is not available this sealing strip cannot be used, i.e. thus in all cases where there are undercuts on the body parts. When closing the Movable body part then deforms the weather strip and seals the gap.

Eine Vorrichtung zum zeitweisen Überbrücken von Karosseriefugen, insbesondere bei Lackierungsarbeiten ist durch die DE-A- 41 06 960 bekannt. Diese Vorrichtung zur Verhinderung des Eindringens von Schleifmitteln oder Lackpartikeln bei der entsprechenden Behandlung von Karosserieteilen besteht aus einem Dichtungsstreifen aus einem querschnittlich etwa dreieckigem Vollprofil aus einem Weichschaumkunststoff mit einer Kleberbeschichtung auf wenigstens einer der drei Seiten, wobei die eine der Katheten des etwa als rechtwinkliges Dreieck gestalteten Querschnittprofils mit einem rückschwingenden Bereich ausgerüstet ist, während der außenspringende Kathetenbereich mit dieser Klebstoffbeschichtung versehen ist. Einwandseitig weist dieses Querschnittsprofil eine bogenförmige Einziehung unter Ausbildung eines hohlkehlenartigen Abschnittes auf. Im Gebrauchszustand verschließt der Dichtungsstreifen den Spalt zwischen zwei Karosserieteilen keilförmig. Die Anordnung der Klebstoffbeschichtung an einer der drei Außenwandflächen des dreieckförmigen Dichtungsstreifens setzt bei der Anwendung des Dichtungsstreifens voraus, daß die Außenwandfläche des einen eines Karosserieteiles eine den zu verschließenden Spalt seitlich begrenzende Anlage- und Befestigungsfläche für den Dichtungsstreifen bildet. Eine Befestigung des Dichtungsstreifens im Bereich von hinterschnittenen Karosserieteilflächen ist nicht möglich.A device for temporarily bridging body joints, in particular in painting work is known from DE-A-41 06 960. This device to prevent the penetration of abrasives or paint particles in the Appropriate treatment of body parts consists of a sealing strip from a cross-sectionally approximately triangular full profile made of a soft foam plastic with an adhesive coating on at least one of the three sides, the one of the cathets of the roughly rectangular triangle Cross-sectional profile is equipped with a reverberating area, during the the catheter area is provided with this adhesive coating. On the objection side, this cross-sectional profile exhibits an arched indentation Formation of a flute-like section. Locks when in use the sealing strip wedge-shaped the gap between two body parts. The arrangement of the adhesive coating on one of the three outer wall surfaces of the triangular sealing strip sets when using the sealing strip ahead that the outer wall surface of one of a body part one to closing gap laterally limiting contact and mounting surface for the Forms sealing strips. A fastening of the sealing strip in the range of undercut body panels is not possible.

Es sind auch Abdeckstreifen bekannt, die mit Hilfe einer seitlichen Lippe verhindern daß der Lack bzw. dessen Lösemittel mit der Klebeschicht in Berührung kommen, Da hierbei keine klare Abgrenzung der neuen Lackschicht zur alten besteht, entstehen in den Randbereichen der neu lackierten Flächen Sprühnebel, die ebenfalls aufwendig beseitigt werden müssen.Cover strips are also known which prevent with the aid of a lateral lip that the paint or its solvent come into contact with the adhesive layer, Da there is no clear demarcation between the new lacquer layer and the old one the edge areas of the newly painted surfaces spray mist, which is also expensive must be eliminated.

Es ist daher Aufgabe der Erfindung einen Dicht- und It is therefore an object of the invention a sealing and

Abdeckstreifen der eingangs genannten Art zu schaffen, der eine einwandfreie Abgrenzung zwischen den nachzulackierenden und den vorhandenen Lackflächen eines Objekts, vorzugsweise im Bereich der Türen und der Heckklappe eines Fahrzeuges gewährleistet, ohne daß aufwendige Nachbearbeitungen der Übergangsflächen notwendig sind.To create cover strips of the type mentioned, the perfect Delimitation between the paint surfaces to be repainted and the existing paint surfaces an object, preferably in the area of the doors and the tailgate Vehicle guaranteed without the need for extensive post-processing Transitional areas are necessary.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Vorzugsweise weist der Dicht- und Abdeckstreifen beidseitig des Kleberstreifens eine Lippe und eine Hohlkehle auf, wobei der Querschnitt symmetrisch oder durch unterschiedliche Dimensionierung der Lippen und/oder Hohlkehlen auch asymmetrisch sein kann.The sealing and cover strip preferably has one on both sides of the adhesive strip Lip and a fillet, the cross section being symmetrical or through different dimensions of the lips and / or fillets too can be asymmetrical.

Bei der asymmetrischen Ausgestaltung ist ein breiteres Anwendungssprektrum gegeben.With the asymmetrical design there is a wider range of applications given.

Die Lippe und auch die Hohlkehle sind derart ausgelegt, daß bei anwendungsgemäßer Positionierung die Lippe nicht auf der auch senkrecht zu lackierenden Oberfläche aufliegen kann. The lip and the fillet are designed such that when used Do not position the lip on the surface that is also to be painted vertically Surface can rest.

Der Grundkörper bzw. der Querschnitt des Dicht- und Abdeckstreifens ist von einem Viereck abgeleitet.The basic body or the cross section of the sealing and cover strip is derived from a square.

Die beidseitig angeformten Lippen des Vierecks unterteilen den Dicht- und Abdeckstreifen vorzugsweise in einen ersten Bereich, der ca. 2/3 und einen zweiten Bereich der 1/3 des Querschnitts einnimmt.Divide the lips of the square formed on both sides the sealing and cover strips preferably in a first area, the 2/3 and a second area which takes up 1/3 of the cross-section.

Der erste Bereich hat vorzugsweise abgerundete Ecken, so daß sich auch eine annähernd halbkreisförmige Fläche ergeben kann. Der zweite Bereich trägt die entlang der Längsachse aufgebrachte Kleberschicht, wobei bedingt durch die beidseitigen Hohlkehlen die Breite in diesem zweiten Bereich geringer sein kann als im ersten Bereich.The first area preferably has rounded corners, see above that there is also an approximately semicircular surface can. The second area bears the along the Adhesive layer applied along the longitudinal axis, although conditionally the width in the fillets on both sides second area may be less than in the first area.

Zum Aufbau der Kleberschicht wird vorzugsweise ein durch bloßes Andrücken haftender Klebstoff, vorzugsweise ein sog. Dispersions-Klebestoff verwandt.A is preferably used to build up the adhesive layer mere pressing adhesive, preferably a so-called dispersion adhesive used.

Als Schaumstoff wird vorzugsweise ein offenzelliger Weichschaum aus Polyurethan mit einem Raumgewicht von 20 - 30 kg/m3 eingesetzt, aber auch andere Schaumstoffe, wie Polyester-, Polystyrol-, PVC-, Polyethylen-, Polyisocyanat-, Polyphenol-, und Silikonschäume sind verwendbar.An open-celled flexible foam made of polyurethane with a density of 20-30 kg / m 3 is preferably used as the foam, but other foams such as polyester, polystyrene, PVC, polyethylene, polyisocyanate, polyphenol and silicone foams can also be used .

Der erfindungsgemäße Dicht- und Abdeckstreifen wird vorzugsweise im Verbund vertrieben, wobei die parallel verlaufenden Dicht- und Abdeckstreifen mittels der Lippe verbunden sind, die ihre endgültige zur Verwendung vorteilhafte Form durch Abreißen der benachbarten Dicht- und Abdeckstreifen erhält. The sealing and covering strip according to the invention is preferred distributed in a network, whereby the parallel Sealing and masking strips using the lip are connected, their final advantageous for use Shape by tearing off the adjacent sealing and Receives cover strips.

Der Verbund entsteht dadurch, daß die Herstellung aus einem flächigen Schaumstoffpolster durch Sägen oder Fräsen erfolgt. Dabei werden entsprechende einander gegenüberliegende Einschnitte in einen Schaumstoffblock so eingebracht, daß sich jeweils zwei Einschnitte gegenüberliegen und nur durch eine schmale Abreißbrücke getrennt sind, wobei die Abreißbrücke aus zwei noch zu trennenden Lippen von zwei benachbarten Dicht- und Abdeckstreifen besteht.The bond arises from the fact that the manufacture a flat foam pad by sawing or Milling is done. Doing so will match each other opposite cuts in a foam block introduced so that two incisions lie opposite each other and only separated by a narrow tear-off bridge are, the tear-off bridge of two still closed separating lips from two adjacent sealing and masking strips consists.

Im Gegensatz zur Herstellung des Verbundes durch Kaltverschweißen tritt keine Materialverdichtung auf, so daß ein leichtes Abreißen und damit Trennen der einzelnen Dicht- und Abdeckstreifen voneinander vorgenommen werden kann. Der Trennvorgang erfolgt automatisch an der dünnsten Stelle der Abreißbrücke und damit mittig.In contrast to the production of the composite by cold welding there is no material compression, so that an easy tear off and thus separation of the individual Sealing and cover strips made from each other can be. The separation process takes place automatically at the thinnest point of the tear-off bridge and thus in the middle.

Der große erfinderische Vorteil besteht in der Nutzung der Lippe als Kontaktbrücke. Der fertige Dicht- und Abdeckstreifen kann nämlich so eingesetzt werden, daß die Kontaktbrücke mit einem neben dem Dicht- und Abdeckstreifen liegenden, bevorzugterweise gekrümmten Flächenabschitt Kontakt aufnimmt und somit den direkten Kontakt von aufgesprühtem Lack mit dem den Streifen halternden Klebstoff verhindert. Ein Kontakt zwischen Lack und Klebstoff führt nämlich zu einer unerwünschten Kantenbildung, da dieses Gemisch sich im Regelfall stark verhärtet und schwer zu entfernen ist.The great inventive advantage is the use the lip as a contact bridge. The finished sealing and cover strip can namely be used so that the Contact bridge with one next to the sealing and cover strip lying, preferably curved surface section Establishes contact and thus direct contact of sprayed-on lacquer with the strip holding it Prevents glue. A contact between paint and Adhesive leads to undesirable edge formation, since this mixture generally hardens and is difficult to remove.

Wird der Dicht- und Abdeckstreifen fehlerhaft angebracht, d.h., daß die Lippe nicht als Kontaktbrücke dient, so wird die Bildung einer verhärteten Lackkante dadurch wirksam verhindert, daß die Lippe in Verbindung mit der Hohlkehle einen Kontakt des Lackes mit dem Kleber verhindert.If the sealing and cover strip is incorrectly attached, i.e. that the lip does not serve as a contact bridge, the formation of a hardened lacquer edge effectively prevents the lip in connection with the fillet prevents the paint from coming into contact with the adhesive.

Weitere vorteilhafte Ausgestaltungen sind in den Unteransprüchen gekennzeichnet.Further advantageous refinements are characterized in the subclaims.

Nachstehend wird die Erfindung anhand von Zeichnungen näher erläutert. Es zeigen

Fig. 1
in einer geschnittenen Ansicht der Dicht- und Abdeckstreifen im Verbund,
Fig. 2
in einer geschnittenen Ansicht eine zweite Ausführungsform des Dicht- und Abdeckstreifens im Verbund,
Fig. 3
in einer geschnittenen Ansicht eine dritte Ausführungsform des Dicht- und Abdeckstreifens im Verbund,
Fig. 4
in einer geschnittenen Ansicht eine vierte Ausführungsform des Dicht- und Abdeckstreifens im Verbund, und
Fig. 5
in einer geschnittenen Ansicht der in einem Autotürspalt fixierte Dicht- und Abdeckstreifen.
The invention is explained in more detail below with reference to drawings. Show it
Fig. 1
in a sectional view of the sealing and cover strips in the composite,
Fig. 2
in a sectional view a second embodiment of the sealing and cover strip in the composite,
Fig. 3
in a sectional view a third embodiment of the sealing and cover strip in the composite,
Fig. 4
in a sectional view a fourth embodiment of the sealing and cover strip in the composite, and
Fig. 5
in a sectional view of the sealing and cover strips fixed in a car door gap.

Die Fig. 1 bis 4 zeigen verschiedene Ausführungsformen des erfindungsgemäßen Dicht- und Abdeckstreifens 100, 200, 300, 400 im Verbund.1 to 4 show different embodiments of the sealing and cover strip 100 according to the invention, 200, 300, 400 in a network.

Die Ausführungsform gemäß Fig. 1 weist für den einzelnen Dicht- und Abdeckstreifen 100 ein vom Viereck abgeleitetes Querschnittsprofil 10 auf. Durch auf gegenüberliegenden Seiten 11, 12 angeordnete Lippen 13, 14, die zwischen zwei Dicht- und Abdeckstreifen 100 eine Abreißbrücke 15 ausbilden, wird der Grundkörper 16 in zwei Bereiche 17, 18 unterteilt. Der erste Bereich 17 nimmt etwa 2/3 des Querschnittsprofils 10 und der zweite Bereich 1/3 ein. Beim ersten Bereich 17 sind die Ecken 19, 20 abgerundet, wie auch der Übergang zu den Lippen 13, 14. In dem zweiten Bereich 18 ist die Kleberschicht 21 mittig zwischen den Lippen 13, 14 angeordnet, wobei zwischen der Kleberschicht und den Lippen 13, 14 jeweils eine Hohlkehle 22, 23 ausgeformt ist. Die Breite B1 der Kleberschicht 21 ist geringer bemessen als die Breite B2 des ersten Bereichs 17.The embodiment according to FIG. 1 shows for the individual Sealing and masking strips 100 from the square derived cross-sectional profile 10. By on opposite Pages 11, 12 arranged lips 13, 14, the one between two sealing and cover strips 100 Form breakaway bridge 15, the base body 16 in divided two areas 17, 18. The first area 17 takes about 2/3 of the cross-sectional profile 10 and the second Range 1/3 on. At the first area 17 are the corners 19, 20 rounded, as well as the transition to the lips 13, 14. In the second area 18 is the adhesive layer 21 arranged centrally between the lips 13, 14, wherein between the adhesive layer and the lips 13, 14 each a groove 22, 23 is formed. The width B1 of the Adhesive layer 21 is dimensioned smaller than the width B2 of the first area 17.

Die Dicht- und Abdeckstreifen 200, 300, 400 weisen eine andere Ausgestaltung des ersten Bereichs 17 auf. So ist der erste Bereich 17 der Ausführungsform gemäß Fig. 2 annähernd halbkreisförmig ausgebildet, während die Ausführungsform gemäß Fig. 3 konisch aufeinander zulaufende Flanken 24, 25 und eine gewölbte Oberseite 26 und die Ausführungsform gemäß Fig. 4 parallel verlaufende Flanken 27, 28, eine im rechten Winkel dazu verlaufende Oberseite 28a und abgeschrägte Ecken 29, 30 aufweist. The sealing and cover strips 200, 300, 400 have one different configuration of the first region 17. So is the first region 17 of the embodiment according to FIG. 2 formed approximately semicircular during the embodiment 3 tapering towards each other Flanks 24, 25 and a curved top 26 and the Embodiment according to FIG. 4 flanks running parallel 27, 28, an upper side running at right angles thereto 28a and bevelled corners 29, 30.

Die Ausbildung der Hohlkehlen 22, 23 ist bei den Ausführungsformen gemäß den Fig. 2 und 3 gleich wie bei dem Dicht- und Abdeckstreifen 100 gemäß Fig. 1.The formation of the grooves 22, 23 is in the embodiments 2 and 3 the same as for the sealing and cover strip 100 according to FIG. 1.

Der Dicht- und Abdeckstreifen 400 gemäß Fig. 4 weist statt Hohlkehlen einfach schräg verlaufende Flächen 31, 32 auf.The sealing and cover strip 400 according to FIG. 4 has instead of fillets, simply sloping surfaces 31, 32 on.

Bei den Ausführungsformen gemäß den Fig. 2, 3 und 4 sind die Lippen 13, 14 bzw. die entsprechende Abreißbrücke 15 kürzer ausgebildet als bei der gemäß Fig. 1.In the embodiments according to FIGS. 2, 3 and 4 the lips 13, 14 or the corresponding tear-off bridge 15 is shorter than that of FIG. 1.

Fig. 5 zeigt einen erfindungsgemäßen Dicht- und Abdeckstreifen 100, der in einem Autotürspalt 33 eines nicht dargestellten Fahrzeugs angeordnet ist. Der Dicht- und Abdecksteifen 100 ist mit seiner Kleberschicht 21 derart am Türrahmen 34 fixiert, daß eine seiner Lippen 13 einen zur Kleberfläche 35 des Fahrzeugs benachbarten gekrümmten Flächenabschnitt des Türrahmens 34 kontaktiert, so daß in den Autotürspalt eindringende Farbe nicht zur Kleberschicht 21 gelangen kann. Die Tür 36 des Fahrzeugs beaufschlagt den ersten Bereich 17 des Dicht- und Abdeckstreifens 100, wobei hier zur Abdichtung der Druck der anliegenden Tür 36 ausreicht. Der Farbauftrag 37 wird im Bereich des Dicht- und Abdeckstreifens 100 von dessen offenzelligen Schaumstoffmaterial aufgesogen, so daß in den Ecken 38, 39 keine überflüssige Farbanhäufung erfolgt. Fig. 5 shows a sealing and cover strip according to the invention 100, the one in a car door gap 33 one shown vehicle is arranged. The sealing and Covering strip 100 is such with its adhesive layer 21 fixed on the door frame 34 that one of his lips 13th one curved to the adhesive surface 35 of the vehicle Surface portion of the door frame 34 contacted, so that color penetrating into the car door gap is not used Adhesive layer 21 can reach. The door 36 of the vehicle acts on the first area 17 of the sealing and cover strip 100, with the pressure of adjacent door 36 is sufficient. The color application 37 is in the area of the sealing and cover strip 100 of the latter open-cell foam material absorbed, so that in corners 38, 39 there is no unnecessary accumulation of color.

Bezugszeichenliste:Reference symbol list:

Dicht- und AbdeckstreifenSealing and cover strips
100, 200, 300, 400100, 200, 300, 400
QuerschnittsprofilCross-sectional profile
1010th
Seitepage
11, 1211, 12
Lippelip
13, 1413, 14
AbreißbrückeTear-off bridge
1515
GrundkörperBasic body
1616
BereichArea
17, 1817, 18
Eckecorner
19, 2019, 20
KleberschichtAdhesive layer
2121
HohlkehleGroove
22, 2322, 23
Breitewidth
B1, B2B1, B2
FlankenFlanks
24, 2524, 25
OberseiteTop
2626
FlankenFlanks
27, 2827, 28
OberseiteTop
28a28a
Eckecorner
29, 3029, 30
Flächesurface
31, 3231, 32
AutotürspaltCar door gap
3333
TürrahmenDoor frame
3434
KlebeflächeAdhesive surface
3535
Türdoor
3636
FarbauftragPaint application
3737
Eckecorner
38, 3938, 39

Claims (19)

  1. Sealing and masking strips (100; 200; 300; 400) for temporarily masking automobile body gaps, more particularly in paint-spraying operations, of a base member (16), whose surface area, within a subarea along the strip longitudinal axis, is provided with an adhesive layer (21), in which case, on to the base member (16), a lip is formed which, via a concave-like region, passes into the base member section carrying the adhesive layer (21,
    characterized in that
    the base member (16), adjacent to the adhesive layer (21), possesses two lips (13, 14) projecting late-rally from the base member and proceeding obliquely relative to the longitudinal direction of the base member which, via concave regions (18), pass into the base member section carrying the adhesive layer (21), in which case the reciprocally adjacent concave regions (18) of two base members (16) complement each other so as to form a channel (22, 23) located between two adhesive layers (21).
  2. Sealing and masking strip according to Claim 1,
    characterized in that
    the sealing and masking strip (100; 200;; 300; 400) is provided on both sides of the adhesive strip (21) with a lip (13, 14) each as well as with a groove (22, 23).
  3. Sealing and masking strip according to either Claim 1 or Claim 2,
    characterized in that,
    in lieu of a groove between the lips (13, 14) and the adhesive layer (21), an oblique area (31, 32) is formed.
  4. Sealing and masking strip according to either Claim 1 or Claim 2,
    characterized in that,
    in lieu of a groove between the lips (13, 14) and the adhesive layer (21), any configured, obliquely proceeding area is formed.
  5. Sealing and masking strip according to any of Claims 2 to 4,
    characterized in that
    the lips (13, 14) are disposed on the base member (16) in such a way that the same is symmetrical.
  6. Sealing and masking strip according to any of claims 2 to 4,
    characterized in that
    the lips (13, 14) are disposed on the base member (16) in such a way that the same is asymmetrical.
  7. Sealing and masking strip according to any of Claims 1 to 6,
    characterized in that
    the lip or lips (13, 14) subdivide the base member (16) concentrically or eccentrically, in which case the lips may be directed towards the top side (26, 28a) or towards the adhesive layer (21) and, in the assymetrical disposition of the lips (15, 14), these can be aligned differently concentrically or eccentrically.
  8. Sealing and masking strip according to any of Claims 1 to 7,
    characterized in that
    the base member (16), by means of the lip or lips (13, 14), is subdivided into a first area (17) and a second area (18), which carries the adhesive layer (21; in which case the first area (17) has sides (11, 12) proceeding at right angles to the top side (26, 28a) or tapering conical flanks (27, 28) as sides or possesses a semicircular or approximately semicircular configuration.
  9. Sealing and masking strip according to Claim 8,
    characterized in that
    the top side (16, 28a) is convex in the outward direction.
  10. Sealing and masking strip according to either Claim 8 or Claim 9,
    characterized in that
    the corners (19, 20) are rounded off adjacent to the top side (26, 28a).
  11. Sealing and masking strip according to either claim 8 or Claim 9,
    characterized in that
    the corners are bevelled adjacent to the top side (26, 28a).
  12. Sealing and masking strip according to any of Claims 1 to 11,
    characterized in that
    the lips (13, 14) are shorter than the distance from the adhesive layer (21) to the separating line of the first and second area (17, 18).
  13. Sealing and masking strip according to any of Claims 1 to 12,
    characterized in that
    the lips (13, 14) in the first area (17) are rounded off.
  14. Sealing and masking strip according to any of Claims 1 to 13,
    characterized in that
    the lips (13, 14) are angularly disposed on the base member (16).
  15. Sealing and masking strips according to any of Claims 1 to 14,
    characterized in that
    the sealing and masking strip (100; 200; 300; 400) is comprised of soft cellular material.
  16. Sealing and masking strip according to Claim 15,
    characterized in that
    the soft cellular material possesses an open-cell structure.
  17. Sealing and masking strip according to either Claim 14 or Claim 15,
    characterized in that
    the soft cellular material is comprised of polyurethane, polyester, polystyrene, PVC, polyethylene, polyisocyanate, polyphenol or silicone.
  18. Sealing and masking strip according to any of Claims 1 to 17,
    characterized in that
    the sealing and masking strip (100; 200; 300; 400) is laterally connected with further sealing and masking strips (100; 200; 300; 400) across the lips (13, 14) so as to form a composite construction, in which case the sealing and masking strips (100; 200; 300; 400) of a composite construction are able to correspond to different embodiments.
  19. Sealing and masking strip (100; 200; 300; 400) according to any of Claims 1 to 17,
    characterized in that
    the sealing and masking strip (100; 200; 300; 400) is cut, sawn and/or milled from the respective material or is fabricated in the form of a single strand.
EP96103788A 1996-03-11 1996-03-11 Sealing and masking strips Expired - Lifetime EP0795356B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES96103788T ES2131883T3 (en) 1996-03-11 1996-03-11 SEALING STRIP AND COVERING.
DE59601995T DE59601995D1 (en) 1996-03-11 1996-03-11 Sealing and cover strips
AT96103788T ATE180422T1 (en) 1996-03-11 1996-03-11 SEALING AND COVER STRIPS
EP96103788A EP0795356B1 (en) 1996-03-11 1996-03-11 Sealing and masking strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96103788A EP0795356B1 (en) 1996-03-11 1996-03-11 Sealing and masking strips

Publications (2)

Publication Number Publication Date
EP0795356A1 EP0795356A1 (en) 1997-09-17
EP0795356B1 true EP0795356B1 (en) 1999-05-26

Family

ID=8222549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103788A Expired - Lifetime EP0795356B1 (en) 1996-03-11 1996-03-11 Sealing and masking strips

Country Status (4)

Country Link
EP (1) EP0795356B1 (en)
AT (1) ATE180422T1 (en)
DE (1) DE59601995D1 (en)
ES (1) ES2131883T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6797361B2 (en) 2001-04-12 2004-09-28 3M Innovative Properties Company Foam articles

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9804967D0 (en) * 1998-03-09 1998-05-06 Minnesota Mining & Mfg Masking materials and method of use
DE29806610U1 (en) * 1998-03-28 1998-07-09 Vosschemie GmbH, 25436 Uetersen Plastic profile for gap sealing
US6596376B1 (en) 1999-03-09 2003-07-22 3M Innovative Properties Company Masking materials and method of use
ES1048132Y (en) * 2001-01-19 2001-11-01 Perez Daniel Cortavitarte RUBBER COVERS FOR THE PAIRING AND PAINTING OF TWO COLINDING SURFACES SEPARATED BY A HOLLOW BOARD.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8823390D0 (en) * 1988-10-05 1988-11-09 Western D M Gap filling
US4996092A (en) * 1989-02-20 1991-02-26 Minnesota Mining And Manufacturing Company Shaped foam
SE463656B (en) * 1989-06-15 1991-01-07 Michael Olsson PROCEDURE AND DEVICE FOR MASKING
DE4106960A1 (en) * 1991-03-05 1992-09-10 Jun Harald Ribic Strip for temporary sealing of joints in car body - is made from soft rubber and has triangular section wit adhesive film on one side
US5413637A (en) * 1991-04-19 1995-05-09 Minnesota Mining And Manufacturing Company Masking methods using a foam web
GB9402812D0 (en) * 1994-02-14 1994-04-06 Speedarrive Projects Limited For a sealing strip
US5547725A (en) * 1994-02-25 1996-08-20 Tesa Tape Inc. Production of a novel sculptured strip of plastic foam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6797361B2 (en) 2001-04-12 2004-09-28 3M Innovative Properties Company Foam articles

Also Published As

Publication number Publication date
ATE180422T1 (en) 1999-06-15
DE59601995D1 (en) 1999-07-01
ES2131883T3 (en) 1999-08-01
EP0795356A1 (en) 1997-09-17

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