CH230710A - Process for the production of coatings on objects made of aluminum or aluminum alloys. - Google Patents

Process for the production of coatings on objects made of aluminum or aluminum alloys.

Info

Publication number
CH230710A
CH230710A CH230710DA CH230710A CH 230710 A CH230710 A CH 230710A CH 230710D A CH230710D A CH 230710DA CH 230710 A CH230710 A CH 230710A
Authority
CH
Switzerland
Prior art keywords
aluminum
coatings
production
objects made
aluminum alloys
Prior art date
Application number
Other languages
German (de)
Inventor
Robert Bosch Gesellsch Haftung
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of CH230710A publication Critical patent/CH230710A/en

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)
CH230710D 1939-03-11 1941-12-18 Process for the production of coatings on objects made of aluminum or aluminum alloys. CH230710A (en)

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
CH230710A true CH230710A (en) 1944-01-31

Family

ID=25750341

Family Applications (2)

Application Number Title Priority Date Filing Date
CH225861D CH225861A (en) 1939-03-11 1941-12-10 Layer brush for commutator machines.
CH230710D CH230710A (en) 1939-03-11 1941-12-18 Process for the production of coatings on objects made of aluminum or aluminum alloys.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH225861D CH225861A (en) 1939-03-11 1941-12-10 Layer brush for commutator machines.

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH245690A (en) * 1944-10-06 1946-11-30 Agma Aktiengesellschaft Process of chemical oxidation of aluminum and its alloys.
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 (en) * 1973-05-17 1977-02-15 Alusuisse
US5437740A (en) * 1993-04-21 1995-08-01 Sanchem, Inc. Corrosion resistant aluminum and aluminum coating
DE102006029671A1 (en) * 2006-06-28 2008-01-03 BSH Bosch und Siemens Hausgeräte GmbH Guiding device for carbon brush, has hot plate made of aluminum material by extrusion molding and cutting, where isolating layer of hot plate is manufactured by chemical oxidization of aluminum material

Also Published As

Publication number Publication date
CH225861A (en) 1943-02-28
FR51965E (en) 1943-05-27
FR868389A (en) 1941-12-29
DE712877C (en) 1941-10-27
DE717183C (en) 1942-02-10
US2247580A (en) 1941-07-01

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