FR868389A - Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliages d'aluminium - Google Patents

Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliages d'aluminium

Info

Publication number
FR868389A
FR868389A FR868389DA FR868389A FR 868389 A FR868389 A FR 868389A FR 868389D A FR868389D A FR 868389DA FR 868389 A FR868389 A FR 868389A
Authority
FR
France
Prior art keywords
aluminum
colored
protective layers
objects made
producing black
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
Application number
Other languages
English (en)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR868389A publication Critical patent/FR868389A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/56—Treatment of aluminium or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
FR868389D 1939-03-11 1940-12-26 Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliages d'aluminium Expired FR868389A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE230710X 1939-03-11
DE100440X 1940-04-10

Publications (1)

Publication Number Publication Date
FR868389A true FR868389A (fr) 1941-12-29

Family

ID=25750341

Family Applications (2)

Application Number Title Priority Date Filing Date
FR868389D Expired FR868389A (fr) 1939-03-11 1940-12-26 Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliages d'aluminium
FR51965D Expired FR51965E (fr) 1939-03-11 1942-02-24 Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliage d'aluminium

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR51965D Expired FR51965E (fr) 1939-03-11 1942-02-24 Procédé de production de couches protectrices incorrosibles de couleur noire sur la surface d'objets en aluminium ou alliage d'aluminium

Country Status (4)

Country Link
US (1) US2247580A (de)
CH (2) CH225861A (de)
DE (2) DE712877C (de)
FR (2) FR868389A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788560A4 (de) * 1994-10-13 1997-09-03

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH245690A (it) * 1944-10-06 1946-11-30 Agma Aktiengesellschaft Procedimento di ossidazione chemica dell'alluminio e sue leghe.
GB878673A (en) * 1957-01-30 1961-10-04 Ici Ltd Improved alkali baths for metal treatment
US3067052A (en) * 1959-09-21 1962-12-04 Interchem Corp Gold colored metallic pigments
CH584762A5 (de) * 1973-05-17 1977-02-15 Alusuisse
DE102006029671A1 (de) * 2006-06-28 2008-01-03 BSH Bosch und Siemens Hausgeräte GmbH Führungseinrichtung für eine Kohlebürste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788560A4 (de) * 1994-10-13 1997-09-03

Also Published As

Publication number Publication date
CH225861A (de) 1943-02-28
FR51965E (fr) 1943-05-27
DE712877C (de) 1941-10-27
DE717183C (de) 1942-02-10
US2247580A (en) 1941-07-01
CH230710A (de) 1944-01-31

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