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FR2418279A1 - Cathodic protection foil for vehicle bodywork - is pref. made of zinc aluminium or magnesium and has adhesive coating on one side - Google Patents

Cathodic protection foil for vehicle bodywork - is pref. made of zinc aluminium or magnesium and has adhesive coating on one side

Info

Publication number
FR2418279A1
FR2418279A1 FR7904430A FR7904430A FR2418279A1 FR 2418279 A1 FR2418279 A1 FR 2418279A1 FR 7904430 A FR7904430 A FR 7904430A FR 7904430 A FR7904430 A FR 7904430A FR 2418279 A1 FR2418279 A1 FR 2418279A1
Authority
FR
France
Prior art keywords
foil
pref
metal
components
magnesium
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Withdrawn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
FR7904430A
Other languages
French (fr)
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of FR2418279A1 publication Critical patent/FR2418279A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • 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
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2072—Floor protection, e.g. from corrosion or scratching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The foil is made of a metal(a) which has an electrochemical potential more negative than the material of which the components are made. When the components are made of steel, metal(a) is pref. Zn, al or Mg; and the metal foil (a) is pref. coated, at least on one side, by layer(b) of adhesive covered by a protective foil(c) peeled off layer(b) when foil(a) is applied to a component. Foil(a) pref. has a thickness of a few tenths of a mm; and may contain holes for bolts employed to join the metal components together; alternatively, welding may be used to join the components, in which case no holes are required in the foil. Used in assemblies which are subsequently subjected to protective treatments, e.g. phosphating and lacquering, where the treatment cannot penetrate the narrow gaps between the assembled parts.
FR7904430A 1978-02-22 1979-02-21 Cathodic protection foil for vehicle bodywork - is pref. made of zinc aluminium or magnesium and has adhesive coating on one side Withdrawn FR2418279A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782807484 DE2807484A1 (en) 1978-02-22 1978-02-22 CATHODIC CORROSION PROTECTION LAYER FOR FACING SURFACES OF CONNECTED PARTS, IN PARTICULAR BODY PANELS

Publications (1)

Publication Number Publication Date
FR2418279A1 true FR2418279A1 (en) 1979-09-21

Family

ID=6032596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904430A Withdrawn FR2418279A1 (en) 1978-02-22 1979-02-21 Cathodic protection foil for vehicle bodywork - is pref. made of zinc aluminium or magnesium and has adhesive coating on one side

Country Status (3)

Country Link
DE (1) DE2807484A1 (en)
FR (1) FR2418279A1 (en)
IT (1) IT1111827B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0345607A1 (en) * 1988-06-08 1989-12-13 Minnesota Mining And Manufacturing Company Corrosion protection element for parts, particularly automotive parts, to be connected by screws, bolts, etc.
EP0460586A1 (en) * 1990-06-08 1991-12-11 Essex Specialty Products, Inc. Paintable vehicle sealer patch

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130473A1 (en) * 1981-07-23 1983-02-10 Mayser-Gmbh & Co, 7900 Ulm Sealing tape for insertion between two metal sheets to be joined to one another by spot-welding
DE102014108183B4 (en) 2014-06-11 2024-02-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Multi-layer body structure of a motor vehicle body and method for producing the multi-layer body structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0345607A1 (en) * 1988-06-08 1989-12-13 Minnesota Mining And Manufacturing Company Corrosion protection element for parts, particularly automotive parts, to be connected by screws, bolts, etc.
EP0460586A1 (en) * 1990-06-08 1991-12-11 Essex Specialty Products, Inc. Paintable vehicle sealer patch

Also Published As

Publication number Publication date
DE2807484A1 (en) 1979-08-23
IT7920406A0 (en) 1979-02-21
IT1111827B (en) 1986-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse