EP0849379A3 - Improvement in the surface finishing method for aesthetical component parts of transportation means - Google Patents

Improvement in the surface finishing method for aesthetical component parts of transportation means Download PDF

Info

Publication number
EP0849379A3
EP0849379A3 EP97119529A EP97119529A EP0849379A3 EP 0849379 A3 EP0849379 A3 EP 0849379A3 EP 97119529 A EP97119529 A EP 97119529A EP 97119529 A EP97119529 A EP 97119529A EP 0849379 A3 EP0849379 A3 EP 0849379A3
Authority
EP
European Patent Office
Prior art keywords
aesthetical
transportation means
component parts
phase
corrosion
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
EP97119529A
Other languages
German (de)
French (fr)
Other versions
EP0849379A2 (en
EP0849379B1 (en
Inventor
Giorgio De Meis
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.)
Sapa Autoplastics SpA
Original Assignee
Plastal ZCP 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 Plastal ZCP SpA filed Critical Plastal ZCP SpA
Publication of EP0849379A2 publication Critical patent/EP0849379A2/en
Publication of EP0849379A3 publication Critical patent/EP0849379A3/en
Application granted granted Critical
Publication of EP0849379B1 publication Critical patent/EP0849379B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54—Electroplating of non-metallic surfaces
    • C25D5/56—Electroplating of non-metallic surfaces of plastics
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Abstract

Improved method for applying coatings, generally known as "metallized" surface finishes, on to component parts adapted to be used as decorative or aesthetical parts on outer surfaces of transportation means, such as radiator grilles for motor cars. A prior-art process calls for, after the application of corrosion-inhibiting metal layers, the application,. again by a galvanic process, of a metal layer adapted to impart the desired combination of colour and brightness, such as for instance a so-called "gun barrel" finish. The present invention provides for the addition of a galvanic chromium-plating phase followed by a phase in which the part is held at a temperature not in excess of 30°C for at least 24 hours, and then by a further phase in which the same chromium layer is removed and the more external layer of corrosion-inhibiting metal is activated in a traditional manner.
EP97119529A 1996-12-20 1997-11-07 Improvement in the surface finishing method for aesthetical component parts of transportation means Expired - Lifetime EP0849379B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96PN000067A IT1289401B1 (en) 1996-12-20 1996-12-20 IMPROVED PROCEDURE FOR SURFACE FINISHING OF AESTHETIC COMPONENTS OF TRANSPORT MEANS
ITPN960067 1996-12-20

Publications (3)

Publication Number Publication Date
EP0849379A2 EP0849379A2 (en) 1998-06-24
EP0849379A3 true EP0849379A3 (en) 1998-08-12
EP0849379B1 EP0849379B1 (en) 2002-02-20

Family

ID=11395203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119529A Expired - Lifetime EP0849379B1 (en) 1996-12-20 1997-11-07 Improvement in the surface finishing method for aesthetical component parts of transportation means

Country Status (4)

Country Link
EP (1) EP0849379B1 (en)
DE (1) DE69710567T2 (en)
ES (1) ES2172728T3 (en)
IT (1) IT1289401B1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5483638A (en) * 1977-12-16 1979-07-03 Kawasaki Heavy Ind Ltd Chromium plating method for cylinder of cast aluminum alloy
US4429020A (en) * 1980-05-22 1984-01-31 Daniel Luch Metal-polymer composite and method of making said composite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5483638A (en) * 1977-12-16 1979-07-03 Kawasaki Heavy Ind Ltd Chromium plating method for cylinder of cast aluminum alloy
US4429020A (en) * 1980-05-22 1984-01-31 Daniel Luch Metal-polymer composite and method of making said composite

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 7933, Derwent World Patents Index; Class M11, AN 79-60411B, XP002068651 *

Also Published As

Publication number Publication date
DE69710567T2 (en) 2002-07-11
ITPN960067A1 (en) 1998-06-20
DE69710567D1 (en) 2002-03-28
ES2172728T3 (en) 2002-10-01
EP0849379A2 (en) 1998-06-24
IT1289401B1 (en) 1998-10-02
EP0849379B1 (en) 2002-02-20

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