GB1544833A - Chromium electroplating - Google Patents

Chromium electroplating

Info

Publication number
GB1544833A
GB1544833A GB7595/76A GB5179875A GB1544833A GB 1544833 A GB1544833 A GB 1544833A GB 7595/76 A GB7595/76 A GB 7595/76A GB 5179875 A GB5179875 A GB 5179875A GB 1544833 A GB1544833 A GB 1544833A
Authority
GB
United Kingdom
Prior art keywords
chromium electroplating
electroplating
chromium
tendency
nickel
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
GB7595/76A
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.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Priority to GB7595/76A priority Critical patent/GB1544833A/en
Priority to AU20425/76A priority patent/AU510617B2/en
Priority to CA000267540A priority patent/CA1121300A/en
Priority to SE7614000A priority patent/SE455104B/en
Priority to MX16737776A priority patent/MX145885A/en
Priority to NL7613913A priority patent/NL183955C/en
Priority to DE19762657012 priority patent/DE2657012C2/en
Priority to FR7638242A priority patent/FR2335624A1/en
Priority to JP15101976A priority patent/JPS586791B2/en
Priority to BE173364A priority patent/BE849522A/en
Priority to IT7001576A priority patent/IT1074402B/en
Priority to BR7608496A priority patent/BR7608496A/en
Priority to ES454411A priority patent/ES454411A1/en
Priority to US05/810,744 priority patent/US4093521A/en
Publication of GB1544833A publication Critical patent/GB1544833A/en
Expired 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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

CHROMIUM ELECTROPLATING A tendency for grey discolouration at high current density in trivalent chromium plating solutions may be reduced by maintaining therein from 30 to 150 parts per million of iron or nickel.
GB7595/76A 1975-12-18 1975-12-18 Chromium electroplating Expired GB1544833A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB7595/76A GB1544833A (en) 1975-12-18 1975-12-18 Chromium electroplating
AU20425/76A AU510617B2 (en) 1975-12-18 1976-12-09 Trivalent chromium electroplating baths
CA000267540A CA1121300A (en) 1975-12-18 1976-12-09 Chromium electroplating
SE7614000A SE455104B (en) 1975-12-18 1976-12-13 PROCEDURE AND BATHROOM FOR ELECTROPLETING CHROME
MX16737776A MX145885A (en) 1975-12-18 1976-12-13 IMPROVEMENTS IN A TRIVALENT CHROME ELECTRICAL DEPOSIT COMPOSITION
NL7613913A NL183955C (en) 1975-12-18 1976-12-15 METHOD FOR PREPARING AN ELECTROLYTIC CRYSTAL BATH AND METHOD FOR CHROMING ARTICLES
DE19762657012 DE2657012C2 (en) 1975-12-18 1976-12-16 Galvanic chrome bath
FR7638242A FR2335624A1 (en) 1975-12-18 1976-12-17 COMPOSITION AND METHOD FOR THE ELECTRODEPOSITION OF CHROME
JP15101976A JPS586791B2 (en) 1975-12-18 1976-12-17 Trivalent chromium electroplating aqueous bath
BE173364A BE849522A (en) 1975-12-18 1976-12-17 ELECTRO-PLACING IN CHROME.
IT7001576A IT1074402B (en) 1975-12-18 1976-12-17 ELECTROLYTIC CHROME PLATING BATH
BR7608496A BR7608496A (en) 1975-12-18 1976-12-17 BATH COMPOSITION FOR ELECTRO-COATING ELECTRONIC COATING AND MAINTENANCE PROCESS FOR THE ELECTRIC COATING BATH
ES454411A ES454411A1 (en) 1975-12-18 1976-12-18 Chromium*3* plating bath
US05/810,744 US4093521A (en) 1975-12-18 1977-06-28 Chromium electroplating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7595/76A GB1544833A (en) 1975-12-18 1975-12-18 Chromium electroplating

Publications (1)

Publication Number Publication Date
GB1544833A true GB1544833A (en) 1979-04-25

Family

ID=10461418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7595/76A Expired GB1544833A (en) 1975-12-18 1975-12-18 Chromium electroplating

Country Status (5)

Country Link
BE (1) BE849522A (en)
CA (1) CA1121300A (en)
FR (1) FR2335624A1 (en)
GB (1) GB1544833A (en)
SE (1) SE455104B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374007A (en) * 1980-03-10 1983-02-15 International Business Machines Corporation Trivalent chromium electroplating solution and process
CN114411211A (en) * 2022-01-20 2022-04-29 厦门市金宝源实业有限公司 Stainless steel color imitation decorative chromium plating process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529581A1 (en) * 1982-06-30 1984-01-06 Armines ELECTROLYSIS BATH BASED ON TRIVALENT CHROME

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927066A (en) * 1955-12-30 1960-03-01 Glenn R Schaer Chromium alloy plating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374007A (en) * 1980-03-10 1983-02-15 International Business Machines Corporation Trivalent chromium electroplating solution and process
CN114411211A (en) * 2022-01-20 2022-04-29 厦门市金宝源实业有限公司 Stainless steel color imitation decorative chromium plating process
CN114411211B (en) * 2022-01-20 2023-03-10 厦门市金宝源实业有限公司 Stainless steel color imitation decorative chromium plating process

Also Published As

Publication number Publication date
SE7614000L (en) 1977-06-19
SE455104B (en) 1988-06-20
FR2335624B1 (en) 1980-04-04
FR2335624A1 (en) 1977-07-15
BE849522A (en) 1977-06-17
CA1121300A (en) 1982-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19960225