EP0328493B1 - A method for the application of a coat of paint or the like to a predetermined portion of the surface of an article, particularly a motor vehicle bumper - Google Patents

A method for the application of a coat of paint or the like to a predetermined portion of the surface of an article, particularly a motor vehicle bumper Download PDF

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Publication number
EP0328493B1
EP0328493B1 EP89830045A EP89830045A EP0328493B1 EP 0328493 B1 EP0328493 B1 EP 0328493B1 EP 89830045 A EP89830045 A EP 89830045A EP 89830045 A EP89830045 A EP 89830045A EP 0328493 B1 EP0328493 B1 EP 0328493B1
Authority
EP
European Patent Office
Prior art keywords
film
article
paint
application
coat
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
EP89830045A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0328493A2 (en
EP0328493A3 (en
Inventor
Carlo Beltramo
Fortunato Verduci
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto SpA
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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of EP0328493A2 publication Critical patent/EP0328493A2/en
Publication of EP0328493A3 publication Critical patent/EP0328493A3/en
Application granted granted Critical
Publication of EP0328493B1 publication Critical patent/EP0328493B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • 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

Definitions

  • the present invention relates to a method for the application of a coat of paint or the like to a predetermined portion of the surface of an article.
  • the invention particularly concerns the painting of motor vehicle bumpers of plastics material, the external surface of which must have at least one portion provided with a coat of paint so as to define at least two adjacent zones having different surface properties, for example different colours.
  • the zone intended to receive the paint is delimited by masking of the adjacent surface portion, which is carried out manually with the use of paper and adhesive tape. Masking by the application of a peelable varnish is also known.
  • the preamble of claim 1 is based on technology known from GB-A-2 158 368.
  • the strippable film is applied in the form of paint which after drying constitutes a strippable film.
  • the object of the present invention is to provide a method which is particularly simple and inexpensive both in relation to labour costs and to plant costs.
  • the subject of the invention is a method for the application of a coat of paint or the like to a predetermined portion of the surface of an article, particularly of a motor vehicle bumper, comprising the steps of:
  • the film of plastics material having adhesive properties towards the surface of the article is applied by means of vacuum coating in a manner similar to "skin pack" technology.
  • FIGs 1, 2 and 3 are schematic sections which show three separate stages of the method.
  • a motor vehicle bumper for example, of moulded plastics material such as polypropylene, is indicated 1. It will be understood, however, that the innovative principle of the method can be applied to any kind of material constituting the article which is to receive the paint.
  • a film of thermoplastic material constituted, for example, by an olefin polymer, particularly polyethylene and ethylene-propylene copolymers, is indicated 2.
  • the film is supported at its edge by a frame 8.
  • One face 2a of the film of plastics material has adhesive properties towards the surface of the bumper 1, for example, by means of the previous application of a glue effected by conventional spreading or manufacturing techniques.
  • the bumper 1 is supported with the surface to be painted facing outwardly, by means of a support member 3 which is similar to a half die for vacuum thermoforming and is provided with internal ducts 5 which put the surface of the support member facing the inner surface of the bumper into communication with a vacuum pump.
  • the surface of the bumper which is to be covered with the film 2 is degreased beforehand in order to assist the adhesion of the film.
  • This adhesion is achieved by the application of a subatmospheric pressure through the ducts 5 and possibly by the simultaneous heating of the film to its softening temperature by means of heating elements 4, for example, infrared radiators.
  • Figure 2 shows the bumper 1 with its external surface completely covered with the film 2. It is particularly important to achieve complete adhesion of the covering film, avoiding the formation of bubbles.
  • the film is cut by means of a cutting tool 6 along a predetermined line constituting the outline of the surface portion 7 of the bumper which is intended to receive the paint, and the covering film is removed from that portion.
  • the painting of the portion 7 can then be carried out by means of a conventional cycle, after any flame treatment of the surface, which is particularly useful if the bumper is of polypropylene.
  • paint as used in the present description means the any applied coating layer.
  • the covering film 2 can easily be removed from the remaining surface portion so as to obtain a painted bumper which has a clear outline between the painted portion 7 and the paint-free portion.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP89830045A 1988-02-11 1989-02-07 A method for the application of a coat of paint or the like to a predetermined portion of the surface of an article, particularly a motor vehicle bumper Expired - Lifetime EP0328493B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT67103/88A IT1219014B (it) 1988-02-11 1988-02-11 Procedimento per l'applicazione di un ricoprimento di verniciatura o simile ad una porzione predeterminata della superficie di un articolo particolarmente di un paraurti per autoveicoli
IT6710388 1988-02-11

Publications (3)

Publication Number Publication Date
EP0328493A2 EP0328493A2 (en) 1989-08-16
EP0328493A3 EP0328493A3 (en) 1990-11-22
EP0328493B1 true EP0328493B1 (en) 1993-08-04

Family

ID=11299593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89830045A Expired - Lifetime EP0328493B1 (en) 1988-02-11 1989-02-07 A method for the application of a coat of paint or the like to a predetermined portion of the surface of an article, particularly a motor vehicle bumper

Country Status (5)

Country Link
EP (1) EP0328493B1 (it)
BR (1) BR8900482A (it)
DE (1) DE68907937T2 (it)
ES (1) ES2043099T3 (it)
IT (1) IT1219014B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507998A (zh) * 2015-12-31 2016-04-20 重庆隆鑫机车有限公司 消声器涂装结构组件

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531590C2 (de) * 1995-08-28 1999-03-18 Borsi Kg F Verwendung einer auf einer transparenten Trägerplatte vorhandenen Schutzfolie aus Kunststoff als Abdeckfolie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047968B (de) * 1957-06-08 1958-12-31 Beiersdorf & Co Ag P Verfahren und Vorrichtung zur Herstellung von flaechenmaessig begrenzten Klebstoffaufstrichen
US4358482A (en) * 1981-10-23 1982-11-09 General Motors Corporation End finishing composite trim strips
US4548838A (en) * 1983-09-28 1985-10-22 Nissan Shatai Company, Limited Method for masking in painting process and masking tool therefor
JPS60227868A (ja) * 1984-04-27 1985-11-13 Honda Motor Co Ltd 樹脂成形品の部分塗装方法
AT384190B (de) * 1985-05-08 1987-10-12 Siro Burg Design Ges Mbh & Co Verfahren und vorrichtung zur herstellung eines flaechenmaterials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507998A (zh) * 2015-12-31 2016-04-20 重庆隆鑫机车有限公司 消声器涂装结构组件

Also Published As

Publication number Publication date
EP0328493A2 (en) 1989-08-16
ES2043099T3 (es) 1993-12-16
DE68907937D1 (de) 1993-09-09
IT8867103A0 (it) 1988-02-11
EP0328493A3 (en) 1990-11-22
BR8900482A (pt) 1989-10-03
DE68907937T2 (de) 1993-11-18
IT1219014B (it) 1990-04-24

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