EP1814728A1 - Article estampe servant a obturer de maniere durable des orifices se trouvant en particulier dans des toles ou des pieces en plastique de carrosseries automobiles - Google Patents

Article estampe servant a obturer de maniere durable des orifices se trouvant en particulier dans des toles ou des pieces en plastique de carrosseries automobiles

Info

Publication number
EP1814728A1
EP1814728A1 EP05801705A EP05801705A EP1814728A1 EP 1814728 A1 EP1814728 A1 EP 1814728A1 EP 05801705 A EP05801705 A EP 05801705A EP 05801705 A EP05801705 A EP 05801705A EP 1814728 A1 EP1814728 A1 EP 1814728A1
Authority
EP
European Patent Office
Prior art keywords
hole
heat
closed
adhesive film
base layer
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.)
Withdrawn
Application number
EP05801705A
Other languages
German (de)
English (en)
Inventor
Frank Kolmorgen
Torben Quednau
Andreas Meier
Patrick Gehringer
Audrey BÖHMER
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.)
Tesa SE
Original Assignee
Tesa SE
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 Tesa SE filed Critical Tesa SE
Publication of EP1814728A1 publication Critical patent/EP1814728A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/06—Sealing strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
    • B60R13/0853—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments specially adapted for movable parts, e.g. gears levers, pedals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/44—Number of layers variable across the laminate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2274/00—Thermoplastic elastomer material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2405/00—Adhesive articles, e.g. adhesive tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree

Definitions

  • the present invention relates to a stamped product for the permanent closing of holes, in particular in sheets or in plastic parts of automobile bodies.
  • the diameters of the holes are between 10 and 50 mm. Many of these holes need to be re-air and water-tight in the later process to prevent corrosion attacks by water or water vapor penetrating through the uncovered holes in the body. In addition, there is a requirement to significantly improve the noise insulation of the passenger compartment by closing the holes.
  • plastic plugs are usually used for closing body extensions that on the one hand in a particular case are not sure to close the hole and on the other hand are comparatively complex and expensive to produce.
  • a special, adapted to the hole size plug is required for each hole size. This means high logistical and administrative effort for the customer of the plug.
  • the object of the present invention is to provide a stamped article which is suitable for the permanent closing of holes, in particular in sheets or in plastic parts of automobile bodies. Furthermore, it should be ensured that said holes are closed in such a way that passage of moisture is excluded, the noise insulation is improved, and the holes are reliably closed even in the case of rockfall on the subfloor or mechanical stresses in the interior, in particular in the floor area.
  • the invention relates to a die for permanently sealing holes, in particular in sheets or in plastic parts of automobile bodies, with a at least partially self-adhesive coated base layer made of a heat-resistant support whose area is greater than the surface of the hole to be closed and in particular centrally on the adhesive side is provided with a first portion of a heat-activated adhesive film.
  • the area of the first portion is larger than the area of the hole to be closed and smaller than the area of the base layer, and the die is applied over the hole to be closed so that the hole is substantially covered by the first portion.
  • a second section of a heat-activatable thermoplastic adhesive film is present on the first section of the heat-activatable adhesive film, specifically on the side facing the hole, whose area is larger than the area of the hole to be closed and smaller as the surface of the base layer, in turn, the diecut in such a way over the hole to be closed is applied, that the hole is substantially covered by the second section.
  • the two sections of the heat-activatable film have the same dimensions.
  • the adhesive films are used to connect the diecut after activation by means of heat permanently and safely to the substrate (usually the vehicle body).
  • the preferred second adhesive sheet portion ensures that a good, stable and moisture-impermeable connection between the first portion and the substrate is made without the application of pressure.
  • a layered body is present between the base layer and the first portion of the heat-activatable adhesive film, which is particularly advantageously made of metal.
  • the layered body has one of high density or strength to increase the noise attenuation or strength of the entire diecut.
  • the carrier which in an advantageous development of the invention consists of an aluminum foil, a textile carrier or a plastic foil (for example PVC, PP, PET, PU), preferably has a thickness
  • cotton fabric is used, which in particular has a mesh count of 140 to 160, preferably 148 (means a warp count of warp 74 and weft 74) ) exhibit. More preferably, the number of shots 70 to 80 and / or the chain number 70 to 80.
  • all known textile supports such as woven, knitted or nonwoven fabrics can be used, whereby under "nonwoven” at least textile fabrics according to EN 29092 (1988) as well as stitchbonded nonwovens and similar systems to be understood. Also, lamination fabrics and knitted fabrics can be used.
  • the textile carrier in particular polyester, polypropylene, viscose, cotton wool or cotton fibers are provided.
  • the present invention is not limited to the materials mentioned, but it can, recognizable to those skilled to work without having to be inventive, a variety of other fibers for the production of the web can be used. It is important that the materials used have the required heat resistance.
  • a non-fogging diecut comprising a fogging-free support on which a fogging-free, pressure-sensitive adhesive is applied at least on one side.
  • various polymer systems can be selected as adhesives on the support, natural or synthetic rubber systems and acrylate systems in particular having proven advantageous if their adhesive properties and temperature resistance meet the requirements.
  • the adhesion to steel is at least 5 N / 25 mm.
  • an adhesive such an Acr ⁇ lathotmelt base is suitable which has a K value of at least 20, in particular greater than 30 (measured in each case in 1 wt .-% solution in toluene, 25 "C), obtainable by concentrating a solution of such Mass to a hotmelt processable system.
  • An adhesive can then be used which consists of the group of natural rubbers or synthetic rubbers or of any blend of natural rubbers and / or synthetic rubbers, the natural rubber or natural rubbers basically being made of all available qualities such as crepe, RSS, ADS, TSR or CV grades, depending on the required level of purity and viscosity, and the synthetic rubber or synthetic rubbers from the group of random copolymerized styrene-butadiene rubbers (SBR), butadiene rubbers (BR), synthetic polyisoprenes (IR), butyl rubbers (MR), halogenated butyl rubbers (XIIR), acrylate rubbers (ACM), ethylene vinyl acetate copolymers (EVA) and polyurethanes and / or blends thereof , Further, it is preferable to add to the rubbers, for the purpose of improving the processability, thermoplastic elastomers having a weight proportion of 10 to 50% by weight, based on the total elastomer content.
  • SIS styrene-isoprene-styrene
  • SBS styrene-butadiene-styrene
  • tackifying resins all previously known adhesive resins described in the literature can be used without exception. Mention may be made representatively of the rosins, their disproportionated, hydrogenated, polymerized, esterified derivatives and salts, the aliphatic and aromatic hydrocarbon resins, terpene resins and terpene phenolic resins. Any combination of these and other resins can be used to adjust the properties of the resulting adhesive as desired.
  • the presentation of the state of knowledge in the "Handbook of Pressure Sensitive Adhesive Technology" by Donatas Satas (van Nostrand, 1989) is expressly pointed out.
  • the heat-activatable adhesive films preferably have the following composition: i) a polymer in an amount of at least 30% by weight, wherein the first portion of the heat-activatable adhesive film is particularly preferably based on reactive polyurethane, polyamide, nitrile rubber with reactive phenolic resins or reactive epoxy resins and / or the second section on thermoplastic, non-reactive polyamides or
  • Epoxides ii) one or more tackifying resins in a proportion of 5 to 50% by weight and / or iii) epoxy resins with hardeners, if appropriate also accelerators, in a proportion of
  • the adhesive films preferably have a thickness of 10 to 500 ⁇ m.
  • the reactive adhesive film is a mixture of reactive resins which crosslink at temperatures above 120 ° C. and form a three-dimensional, high-strength polymer network, and of permanently elastic elastomers which counteract embrittlement of the product and thus permanent loads (compressions, strains). allow the Pro ⁇ product.
  • the elastomer is preferably selected from the group of polyolefins, polyesters, polyurethanes or polyamides or may be a modified rubber such as nitrile rubber or polyvinyl butyral, polyvinyl formal, polyvinyl acetate, carboxylated or epoxylated SEBS polymer. Above each of the elastomers are given, in which the diecut develops particularly advantageous properties. Due to the chemical crosslinking reaction (based on epoxides or phenolic resin condensation) of the resins at elevated temperature, high strengths are achieved between the adhesive film and the surface to be bonded and a high internal strength of the product is achieved.
  • the addition of the reactive resin / hardener systems also leads to a lowering of the softening temperature of the abovementioned polymers, which advantageously lowers their processing temperature and speed.
  • the suitable product is a self-adhesive product at room temperature or slightly elevated temperatures. When the product is heated, it also reduces the viscosity in the short term, allowing the product to wet even rough surfaces.
  • compositions for the adhesive film can be widely varied by changing the nature and proportion of the raw material.
  • further product properties such as, for example, color, thermal or electrical conductivity, can be achieved by specific additions of dyes, mineral or organic fillers, for example silicon dioxide, and / or carbon or metal powders.
  • the stamped body is permanently connected to the bodywork by briefly acting on the stamped high temperatures that lead to the activation of one or both adhesive films.
  • Particularly advantageous temperatures have been found to over 120 ° C and 200 0 C, which should act for thereby min for about twentieth
  • the stamped product according to the invention is superior to the known from the prior art solutions, especially at elevated mechanical stress. The same is true when considering the noise attenuation. Noise attenuation and strength are massively improved by the combination of base layer / adhesive film (s) / layered body. Furthermore, a single embodiment of the stamped product can cover a plurality of holes of different sizes.
  • the stamping is characterized by: • a very high load capacity / dielectric strength
  • punched article is intended to be explained in more detail with reference to a figure for the permanent closing of holes, in particular in metal sheets or in plastic parts of automobile bodies, without being intended to be limiting in any way.
  • FIG. 1 shows the state after the hole to be closed is closed by the action of heat.
  • a hole 6 is structurally present, it applies to be closed.
  • the area of the punched product is larger than the area of the hole 6 to be closed.
  • a second section 4 of a heat-activatable film is present, which has the same dimensions as the first section 3.
  • the stamped body is permanently connected to the body 5 by briefly acting on the stamped high temperatures that lead to the activation of the adhesive films 3,4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un article estampé servant à obturer de manière durable des orifices se trouvant en particulier dans des tôles ou des pièces en plastique de carrosseries automobiles. Cet article estampé comprend une couche de base qui est autoadhésive au moins partiellement sur une face, et qui est constituée d'un support thermorésistant dont la surface est supérieure à celle de l'orifice à obturer, et qui comporte une première partie d'une feuille adhésive thermoactivable, en particulier au centre de la face adhésive, la surface de ladite partie étant supérieure à celle de l'orifice à obturer et inférieure à la surface de la couche de base. Selon l'invention, l'article estampé est appliqué sur l'orifice à obturer de manière que cet orifice soit sensiblement recouvert par ladite première partie.
EP05801705A 2004-11-16 2005-11-01 Article estampe servant a obturer de maniere durable des orifices se trouvant en particulier dans des toles ou des pieces en plastique de carrosseries automobiles Withdrawn EP1814728A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004055324A DE102004055324A1 (de) 2004-11-16 2004-11-16 Stanzling zum dauerhaften Verschließen von Löchern insbesondere in Blechen oder in Kunstoffteilen von Automobilkarosserien
PCT/EP2005/055679 WO2006053827A1 (fr) 2004-11-16 2005-11-01 Article estampe servant a obturer de maniere durable des orifices se trouvant en particulier dans des toles ou des pieces en plastique de carrosseries automobiles

Publications (1)

Publication Number Publication Date
EP1814728A1 true EP1814728A1 (fr) 2007-08-08

Family

ID=35457380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05801705A Withdrawn EP1814728A1 (fr) 2004-11-16 2005-11-01 Article estampe servant a obturer de maniere durable des orifices se trouvant en particulier dans des toles ou des pieces en plastique de carrosseries automobiles

Country Status (7)

Country Link
US (1) US20080113166A1 (fr)
EP (1) EP1814728A1 (fr)
JP (1) JP2008520453A (fr)
KR (1) KR20070088670A (fr)
CN (1) CN101056762A (fr)
DE (1) DE102004055324A1 (fr)
WO (1) WO2006053827A1 (fr)

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DE102013216782A1 (de) 2013-08-23 2015-02-26 Tesa Se Stanzling insbesondere zum dauerhaften Verschließen von Löchern
DE102013216778A1 (de) * 2013-08-23 2015-02-26 Tesa Se Stanzling insbesondere zum dauerhaften Verschließen von Löchern
WO2016135128A1 (fr) * 2015-02-23 2016-09-01 Tesa Se Bande de raccord et procédé pour obturer des trous dans des pièces en tôle ou en plastique de carrosseries d'automobiles
DE102017217799A1 (de) 2017-10-06 2019-04-11 Tesa Se Stanzling, insbesondere zum temporären Verschließen von Löchern
CA3097747A1 (fr) * 2018-04-21 2019-10-24 Natural Fiber Welding, Inc. Agent de durcissement
DE102018207850B4 (de) 2018-05-18 2020-06-18 Tesa Se Stanzling zum dauerhaften Verschließen von Löchern
EP3643496A1 (fr) 2018-10-22 2020-04-29 Nitto Belgium N.V Timbres multicouches pour applications d'étanchéité et procédés associés
CN109849381A (zh) * 2018-12-29 2019-06-07 蓝色海洋（天津）工程技术有限公司 一种输送带磨损修补处理结构及修补处理方法
DE102019101494B4 (de) 2019-01-22 2021-03-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Montagehilfsmittel, Verwendung eines Montagehilfsmittels und Karosserieteil mit Montagehilfsmittel
US11220300B2 (en) 2020-05-13 2022-01-11 GM Global Technology Operations LLC Attachment method for an automotive vehicle panel
DE102021108450A1 (de) 2021-04-01 2022-10-06 Bayerische Motoren Werke Aktiengesellschaft Lochverschlusselement für ein Karosseriebauteil sowie hiermit ausgestattetes Karosseriebauteil
DE102021208046A1 (de) * 2021-07-26 2023-01-26 Tesa Se Stanzling insbesondere zum dauerhaften Verschließen von Löchern

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KR20070088670A (ko) 2007-08-29
JP2008520453A (ja) 2008-06-19
US20080113166A1 (en) 2008-05-15
DE102004055324A1 (de) 2006-05-18
WO2006053827A1 (fr) 2006-05-26
CN101056762A (zh) 2007-10-17

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