EP0799649A1 - Procédé économique pour réparer un dommage sur la peinture extérieure neuve d'un véhicule - Google Patents

Procédé économique pour réparer un dommage sur la peinture extérieure neuve d'un véhicule Download PDF

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Publication number
EP0799649A1
EP0799649A1 EP97104116A EP97104116A EP0799649A1 EP 0799649 A1 EP0799649 A1 EP 0799649A1 EP 97104116 A EP97104116 A EP 97104116A EP 97104116 A EP97104116 A EP 97104116A EP 0799649 A1 EP0799649 A1 EP 0799649A1
Authority
EP
European Patent Office
Prior art keywords
lacquer
repair
paint
area
damaged area
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
EP97104116A
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German (de)
English (en)
Other versions
EP0799649B1 (fr
Inventor
Elisabeth Gräfenhain-Thoma
Günter Weickum
Werner Sedelmeier
Arno Müller
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Daimler Benz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG, Daimler Benz AG filed Critical DaimlerChrysler AG
Publication of EP0799649A1 publication Critical patent/EP0799649A1/fr
Application granted granted Critical
Publication of EP0799649B1 publication Critical patent/EP0799649B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/005—Repairing damaged coatings

Definitions

  • the invention relates to a method for the economical repair of a mechanical damage on a new exterior paint finish of a motor vehicle.
  • the repair compound is usually cured thermally, but the document also mentions curing by UV radiation.
  • the repair compound and the clear lacquer can be hardened successively or - when applied wet in wet - at the same time.
  • curing also takes place by means of locally targeted, small-area heat supply, for example by means of a focused, high-energy jet, by spraying hot gas, etc. Any excess of the repair liquid applied over the cavity or a protrusion of the subsequently applied clear lacquer is mechanically removed over a small area. Due to the repair, the locally disrupted paint layer is closed, thereby restoring the protective function to the defect. The touch-up point may also look better than the untreated painting defect and is less noticeable than the original painting error.
  • a disadvantage of the known selective paint repair process is that the paint defect cannot be completely eliminated optically, i.e. the repair site remains recognizable, at least when the paint requirements are high and the test is accordingly critical.
  • DE 40 09 000 A1 or DE 43 29 897 A1 describes a method for the multilayer repair of damage in a vehicle paint finish.
  • the damaged area in the multi-layer coating is first sanded down to the metal sheet, resulting in a sanding area of approximately 5 cm in diameter.
  • the sanding point is cleaned and filled with a known repair primer to form a film.
  • the primed area is at least about 10 cm in diameter.
  • a filler is applied to the primer to form a film; the repair site then measures at least 15 cm in diameter.
  • a layer of paint that corresponds to the color-determining lacquer is applied to the filler layer in a covering layer thickness, the lacquer application being applied on the edge towards the old lacquer.
  • a clear varnish is applied over this, which results in a further enlargement of the repair area.
  • the individual orders are each before Apply the next layer to a stable film, either dry or partially dry. At least at the end the lacquer layers are hardened together at temperatures above 100 ° C; it is also indicated that individual layers can be stoved in between.
  • a disadvantage of this repair process is that the - recommended here - limitation of the application of the color-determining lacquer layer and the clear lacquer layer to the repair point leads to recognizable color or brilliance differences in the transition area to the untreated old lacquer coating, which are particularly noticeable with light metallic lacquers. For this reason, the repair painting in the case of application to exterior body surfaces in the described procedure cannot be expected of the customer.
  • the decisive advantage of the invention lies in a considerable cost-saving effect the reason for this is that the repair site according to the invention can be kept small, ie for example below a diameter of 20 to 25 cm. This will be discussed in more detail below.
  • the breakthrough to a repair and refinishing point that was both small and technically perfect was achieved due to the procedure according to the invention.
  • the repair site that was created afterwards meets strict standards and also withstands a critical examination.
  • This functional advantage, which can only be achieved thanks to the invention is also due, on the one hand, to the small size of the repair site and, on the other hand, to the thin, possibly repeated application of paint.
  • the method is also suitable for repairing small painting defects which initially do not have a cavity, but on the contrary, a small one Include particles or a small bubble in the solidified paint. If a fine cavity is carefully attached to such a paint defect and the defect is removed from the paint surface, the cavity can then be repaired in the manner mentioned, like a mechanical damaged area.
  • the fine cavity can be generated mechanically or thermally.
  • the multilayer repainting 7 shown in cross-section in the figures is applied to a body panel 1, an electrophoretically applied dip primer 2 first on a phosphating layer (not shown), then a filler layer 3, then the color-determining topcoat 4, for example a silver metallic lacquer, and finally a clear lacquer layer 5 is applied.
  • the paint contains mechanical damage 6 in the form of a cross-sectionally V-shaped scratch that is to be repaired.
  • the damaged area according to FIG. 2 is laid out sparingly, but with a slight excess, with a filler compound 8 approximated in the color of the respective coating, so that the undamaged paint surface 9 immediately next to the damaged area 6 remains free of filler compound 8.
  • the filler is expediently applied with a fine needle.
  • a two-component filler material is used to lay out the damaged area, which hardens more quickly under the influence of heat than, for example, a comparable filler material based on solvents.
  • the designed damage point is under a small, i.e. heat radiators essentially limited to the damaged area, namely drying at about 70 to 80 ° C. for about 5 minutes.
  • a temperature-controllable heat radiator is preferably used which detects the object temperature without contact and accordingly can regulate this temperature automatically.
  • the supernatant of the filler mass is leveled (FIG. 3).
  • the excess filler is first coated with a fine 1200 grit sandpaper and a manually guided sanding pad with a size of about 2 to 5 cm in diameter, sanded carefully and over a small area and then polished the sanding point with lambskin and polishing milk. The polished surface is then cleaned with silicone remover to remove polishing and varnish residues.
  • a topcoat corresponding to the color of the topcoat is applied to it in a small area and thinly (first topcoat layer 10 in FIG. 4), the application conditions being discussed in more detail below.
  • the viscosity of the varnish used does not need to be changed compared to the topcoat used for the series coating.
  • the series topcoats can also be used to a large extent for refinishing. Only with light metallic paints should a special repair paint be used, which differs from the standard metallic paint in that the distribution spectrum of the metal pigments in the area of large metal pigments is trimmed, i.e. the larger metal pigments are filtered off or screened off.
  • the topcoat should be applied as small a surface as possible during the refinishing, for example projecting the damaged areas on all sides by about 4 to 6 cm, and thinly, ie about 10 to 20 ⁇ m thick.
  • the spray element is guided in a star shape and centrifugally each time away from the damaged area.
  • a skillful painter will be able to apply metallic paints without shadows and transitions to the original paintwork at the locally restricted repair site.
  • the applied top coat should at least flash off, for which purpose it can be blown on with dry air at about room temperature for about 3 minutes. It is also permissible to dry the applied lacquer at this stage, but it is not necessary.
  • a clearcoat is applied to the repair area over a small area (first clearcoat layer 11 in FIG. 5), the clearcoat projecting beyond the surface previously repainted with topcoat paint by about 2 to 4 cm.
  • a diluted clear coat preferably as a two-component coat, is used to apply the clear coat.
  • the viscosity of the clearcoat for the application here is set to be thinner than normal, specifically to a run-off time of 20 to 30 seconds, preferably 20 to 22 seconds, which is usually measured here according to DIN 53 211, the following applies to the measurement conditions according to DIN 53 211: Use a measuring cup with a 4 mm outlet nozzle and maintain a paint temperature of 20 ° C during the measurement.
  • a fine jet spraying device from Sata with the size designation 90 and a nozzle with an opening diameter of 1.1 to 1.3 mm was used for the clearcoat application.
  • a temperature-adjustable heat radiator positioned in a constant position relative to the body and at a certain distance from the application point is used, which is movable and held by a tripod is.
  • the lacquer is dried for 15 to 30 minutes, preferably for about 20 minutes, at an object temperature of 70 to 95 ° C, preferably about 80 ° C.
  • the repair point After the repair point has cooled to about room temperature, it can be sanded manually, for example, with a 2000 grit sandpaper and then polished with polishing milk and a rotating lambskin disc.
  • the repair process described here can also be used to repair fine painting errors that occur during painting itself, be it repainting or repainting the body.
  • painting errors usually arise from the fact that a small dust particle, a lint or the like before or during painting. falls on the object surface and is covered by the applied lacquer, which results in a small elevation in the lacquer.
  • a cavity limited to the flaw is first applied locally without affecting the lacquer surface immediately adjacent to the flaw, the depth of the cavity still remaining within the multi-layer lacquering and not penetrating down to the metal sheet. Then this cavity is repaired like a mechanical damage in the manner mentioned.
  • the fine cavity can be generated mechanically or thermally.
  • One possibility for the fine mechanical removal of the lacquer defect is to mill the elevation with a manually guided, fine, high-speed pin mill in the manner of a dental-medical drill and to mill out a V-shaped cavity. Instead, it is also conceivable to gouge the cavity by means of a percussion needle, preferably driven in the ultrasound range.
  • an energy-rich beam is focused on the defect and the cavity is thereby "burned out".
  • a manually guided laser head of a pulse laser, in particular an Eximer laser can be placed on the workpiece surface at the defect.

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  • Application Of Or Painting With Fluid Materials (AREA)
EP97104116A 1996-04-06 1997-03-12 Procédé économique pour réparer un dommage sur la peinture extérieure neuve d'un véhicule Expired - Lifetime EP0799649B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613915A DE19613915C1 (de) 1996-04-06 1996-04-06 Verfahren zum sparsamen Ausbessern einer Schadstelle an einer neuen Außenlackierung eines Kraftfahrzeuges
DE19613915 1996-04-06

Publications (2)

Publication Number Publication Date
EP0799649A1 true EP0799649A1 (fr) 1997-10-08
EP0799649B1 EP0799649B1 (fr) 2000-05-24

Family

ID=7790732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104116A Expired - Lifetime EP0799649B1 (fr) 1996-04-06 1997-03-12 Procédé économique pour réparer un dommage sur la peinture extérieure neuve d'un véhicule

Country Status (6)

Country Link
US (1) US6214411B1 (fr)
EP (1) EP0799649B1 (fr)
JP (2) JP3300253B2 (fr)
CZ (1) CZ293693B6 (fr)
DE (1) DE19613915C1 (fr)
ES (1) ES2147406T3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0983801A2 (fr) * 1998-09-04 2000-03-08 Dukeplanning & Co. , Inc. Procédé de réparation de la surface revêtue d'un véhicule
US7654529B2 (en) 2005-05-17 2010-02-02 Scientific Games International, Inc. Combination scratch ticket and on-line game ticket
US7662038B2 (en) 2005-01-07 2010-02-16 Scientific Games International, Inc. Multi-matrix lottery
US7699314B2 (en) 2005-01-07 2010-04-20 Scientific Games International, Inc. Lottery game utilizing nostalgic game themes
US7726652B2 (en) 2004-10-28 2010-06-01 Scientific Games International, Inc. Lottery game played on a geometric figure using indicia with variable point values
US7824257B2 (en) 2005-01-11 2010-11-02 Scientific Games International, Inc. On-line lottery game in which supplemental lottery-selected indicia are available for purchase
US7837117B2 (en) 2003-12-19 2010-11-23 Scientific Games International, Inc. Embedded optical signatures in documents
US8033905B2 (en) 2005-04-27 2011-10-11 Scientific Games International, Inc. Preprinted lottery tickets using a player activated electronic validation machine
US8262453B2 (en) 2005-02-09 2012-09-11 Scientific Games International, Inc. Combination lottery and raffle game
US8460081B2 (en) 2010-05-14 2013-06-11 Scientific Games International, Inc. Grid-based multi-lottery game and associated method
CN103191858A (zh) * 2013-04-18 2013-07-10 无锡市万里实业发展有限公司 动车水系统箱体喷涂工艺
US8808080B2 (en) 2010-05-14 2014-08-19 Scientific Games International, Inc. Grid-based lottery game and associated method
CN112874490A (zh) * 2021-01-22 2021-06-01 天津鸿蒙智造科技有限公司 一种汽车外观件数据复原无腻子修复方法
CN113640317A (zh) * 2021-08-12 2021-11-12 吉林大学重庆研究院 一种汽车车身漆面缺陷智能检测与修复生产线

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19809982B4 (de) * 1998-03-09 2007-09-27 Volkswagen Ag Verfahren zum kleinflächigen Reparieren von Lackfehlerstellen einer Lackbeschichtung
DE19955012A1 (de) * 1999-11-16 2001-05-17 Volkswagen Ag Verfahren zur Beseitigung punktförmiger Lackerhebungen
DE19963591C2 (de) * 1999-12-23 2002-11-07 Vsevolod Vassiliev V & K Autop Verfahren zum Ausbessern von Schadstellen in Lackflächen
DE50111955D1 (de) * 2000-03-16 2007-03-15 Volkswagen Ag Verfahren zur kleinflächigen beseitigung von lackierungsfehlern
US20020132044A1 (en) * 2001-03-19 2002-09-19 Quarles James H. Scratch repair procedure
DE10233914A1 (de) * 2002-07-25 2004-02-12 Dürr Systems GmbH Verfahren zum Beschichten von Werkstücken mit einem Zerstäuber, dem ein Verdünner zugeführt wird
US20040151831A1 (en) * 2003-01-31 2004-08-05 Begis Jacob L. Rapid on-site vehicle paint repair system and method therefor
US8220124B1 (en) * 2003-02-05 2012-07-17 Brunswick Corporation Restoration process for porosity defects in metal cast products
WO2008092800A1 (fr) * 2007-01-30 2008-08-07 Akzo Nobel Coatings International B.V. Réparation automatique de défaut de peinture
KR100907126B1 (ko) 2007-07-25 2009-07-09 송경흥 자동차 흠집부 도장 및 이음매 처리방법
DE102007044572B4 (de) 2007-09-10 2020-01-16 Volkswagen Ag Betriebsmittel zur qualitätsgerechten Lackierung einer Frontklappe von Kraftfahrzeugen
DE102008003319A1 (de) * 2008-01-07 2009-07-09 Volkswagen Ag Verfahren zum Bearbeiten einer mit einem Nanolack lackierten Oberfläche
CN102153372B (zh) * 2010-07-07 2012-11-28 卢成堆 陶瓷餐具的修复方法
JP6685777B2 (ja) * 2016-03-09 2020-04-22 三菱重工業株式会社 部材の検査装置及び部材の補修方法
CN110536758A (zh) * 2017-04-24 2019-12-03 巴斯夫涂料有限公司 用于汽车涂料的修补成套包装以及使用所述修补成套包装修补汽车涂料的方法
CN111579556A (zh) * 2020-05-08 2020-08-25 上海谷柏特汽车科技有限公司 一种汽车金属部件红外探测及修复方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE3833225A1 (de) * 1987-09-30 1989-04-13 Kansai Paint Co Ltd Verfahren zum ausbessern von lackierten flaechen
DE4009000A1 (de) * 1990-03-21 1991-09-26 Basf Lacke & Farben Verfahren zur herstellung einer mehrschichtigen reparaturlackierung
WO1993010912A1 (fr) * 1991-12-06 1993-06-10 Chipsaway, Inc. Procede de reparation et de protection de la couche de finition d'un vehicule
DE4329897A1 (de) * 1993-09-04 1995-03-09 Basf Lacke & Farben Verfahren zur Herstellung einer mehrschichtigen Reparaturlackierung
EP0668331A1 (fr) * 1994-02-15 1995-08-23 Nippon Paint Co., Ltd. Laque pour retoucher des revêtements brillants et procédé pour retoucher

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DE2654455A1 (de) 1976-12-01 1978-06-08 Vdo Schindling Einrichtung zum regeln der fahrgeschwindigkeit eines kraftfahrzeugs
US4265936A (en) * 1978-08-18 1981-05-05 Prohaska Jr Theodore Vehicle refinishing process
FR2434853A1 (fr) * 1978-08-29 1980-03-28 Duco Sa Procede et composition pour isoler des fonds de peinture
US5028456A (en) * 1989-04-06 1991-07-02 Oatey Company Plastic body filler
US5169723A (en) * 1990-04-17 1992-12-08 Reichhold Chemicals, Inc. Adhesion of automobile body putty to galvanized steel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833225A1 (de) * 1987-09-30 1989-04-13 Kansai Paint Co Ltd Verfahren zum ausbessern von lackierten flaechen
GB2210291A (en) * 1987-09-30 1989-06-07 Kansai Paint Co Ltd Method of remedying coating
DE4009000A1 (de) * 1990-03-21 1991-09-26 Basf Lacke & Farben Verfahren zur herstellung einer mehrschichtigen reparaturlackierung
WO1993010912A1 (fr) * 1991-12-06 1993-06-10 Chipsaway, Inc. Procede de reparation et de protection de la couche de finition d'un vehicule
DE4329897A1 (de) * 1993-09-04 1995-03-09 Basf Lacke & Farben Verfahren zur Herstellung einer mehrschichtigen Reparaturlackierung
EP0668331A1 (fr) * 1994-02-15 1995-08-23 Nippon Paint Co., Ltd. Laque pour retoucher des revêtements brillants et procédé pour retoucher

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0983801A3 (fr) * 1998-09-04 2001-03-14 Dukeplanning & Co. , Inc. Procédé de réparation de la surface revêtue d'un véhicule
US6312765B1 (en) 1998-09-04 2001-11-06 Dukeplanning & Co., Inc. Method for repairing the coated surface of a vehicle
US6617370B2 (en) 1998-09-04 2003-09-09 Tateo Uegaki Method for repairing the coated surface of a vehicle
EP0983801A2 (fr) * 1998-09-04 2000-03-08 Dukeplanning & Co. , Inc. Procédé de réparation de la surface revêtue d'un véhicule
US7837117B2 (en) 2003-12-19 2010-11-23 Scientific Games International, Inc. Embedded optical signatures in documents
US7726652B2 (en) 2004-10-28 2010-06-01 Scientific Games International, Inc. Lottery game played on a geometric figure using indicia with variable point values
US7662038B2 (en) 2005-01-07 2010-02-16 Scientific Games International, Inc. Multi-matrix lottery
US7699314B2 (en) 2005-01-07 2010-04-20 Scientific Games International, Inc. Lottery game utilizing nostalgic game themes
US7824257B2 (en) 2005-01-11 2010-11-02 Scientific Games International, Inc. On-line lottery game in which supplemental lottery-selected indicia are available for purchase
US8262453B2 (en) 2005-02-09 2012-09-11 Scientific Games International, Inc. Combination lottery and raffle game
US8033905B2 (en) 2005-04-27 2011-10-11 Scientific Games International, Inc. Preprinted lottery tickets using a player activated electronic validation machine
US7654529B2 (en) 2005-05-17 2010-02-02 Scientific Games International, Inc. Combination scratch ticket and on-line game ticket
US8460081B2 (en) 2010-05-14 2013-06-11 Scientific Games International, Inc. Grid-based multi-lottery game and associated method
US8808080B2 (en) 2010-05-14 2014-08-19 Scientific Games International, Inc. Grid-based lottery game and associated method
CN103191858A (zh) * 2013-04-18 2013-07-10 无锡市万里实业发展有限公司 动车水系统箱体喷涂工艺
CN112874490A (zh) * 2021-01-22 2021-06-01 天津鸿蒙智造科技有限公司 一种汽车外观件数据复原无腻子修复方法
CN113640317A (zh) * 2021-08-12 2021-11-12 吉林大学重庆研究院 一种汽车车身漆面缺陷智能检测与修复生产线
CN113640317B (zh) * 2021-08-12 2023-08-15 吉林大学重庆研究院 一种汽车车身漆面缺陷智能检测与修复生产线

Also Published As

Publication number Publication date
DE19613915C1 (de) 1997-08-21
ES2147406T3 (es) 2000-09-01
JPH1057888A (ja) 1998-03-03
CZ105297A3 (cs) 2000-05-17
EP0799649B1 (fr) 2000-05-24
CZ293693B6 (cs) 2004-07-14
JP2002233817A (ja) 2002-08-20
JP3300253B2 (ja) 2002-07-08
US6214411B1 (en) 2001-04-10

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