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GB2218109B - Semi-bright watchcase and method for the preparation thereof - Google Patents

Semi-bright watchcase and method for the preparation thereof

Info

Publication number
GB2218109B
GB2218109B GB8909435A GB8909435A GB2218109B GB 2218109 B GB2218109 B GB 2218109B GB 8909435 A GB8909435 A GB 8909435A GB 8909435 A GB8909435 A GB 8909435A GB 2218109 B GB2218109 B GB 2218109B
Authority
GB
United Kingdom
Prior art keywords
watchcase
bright
semi
preparation
bright watchcase
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 - Fee Related
Application number
GB8909435A
Other versions
GB2218109A (en
GB8909435D0 (en
Inventor
Yasuhiko Fujiyu
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of GB8909435D0 publication Critical patent/GB8909435D0/en
Publication of GB2218109A publication Critical patent/GB2218109A/en
Application granted granted Critical
Publication of GB2218109B publication Critical patent/GB2218109B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • 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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/005—Jewels; Clockworks; Coins
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
GB8909435A 1988-04-28 1989-04-25 Semi-bright watchcase and method for the preparation thereof Expired - Fee Related GB2218109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63106786A JP2693480B2 (en) 1988-04-28 1988-04-28 Exterior parts for watch and manufacturing method thereof

Publications (3)

Publication Number Publication Date
GB8909435D0 GB8909435D0 (en) 1989-06-14
GB2218109A GB2218109A (en) 1989-11-08
GB2218109B true GB2218109B (en) 1992-10-07

Family

ID=14442584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8909435A Expired - Fee Related GB2218109B (en) 1988-04-28 1989-04-25 Semi-bright watchcase and method for the preparation thereof

Country Status (6)

Country Link
JP (1) JP2693480B2 (en)
KR (1) KR930004560B1 (en)
CN (1) CN1020355C (en)
GB (1) GB2218109B (en)
HK (1) HK27793A (en)
SG (1) SG1093G (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68929253T2 (en) * 1988-12-06 2001-02-22 Idemitsu Kosan Co. Ltd., Tokio/Tokyo Lubricating oil for a compressor cooling device
JP3935982B2 (en) * 1995-10-19 2007-06-27 出光興産株式会社 Hydraulic fluid composition
US6863795B2 (en) * 2001-03-23 2005-03-08 Interuniversitair Microelektronica Centrum (Imec) Multi-step method for metal deposition
KR100553566B1 (en) * 2003-10-22 2006-02-22 김명진 How to process nail beauty tools
KR101250004B1 (en) * 2010-07-02 2013-04-05 최영락 Reflector by electroforming and method of fabrication the same
CN112941517A (en) * 2019-12-11 2021-06-11 日本碍子株式会社 Article having excellent design and method for producing same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086428A (en) * 1980-10-31 1982-05-12 Hooker Chemicals Plastics Corp Hardened gold plating process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848693A (en) * 1981-09-18 1983-03-22 Seiko Instr & Electronics Ltd Armor parts for watch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086428A (en) * 1980-10-31 1982-05-12 Hooker Chemicals Plastics Corp Hardened gold plating process

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Electroplating Engineering Handbook" 4th Edition, pub.by Van Nostrand Reinhold at p.60 *
"Gold Plating Technology" by Reid and Goldie, Electrochemical Publications 1974 at p.53 *
"Modern Electroplating" by Lowenheim, 3rd edition, pub. by John Wiley & Sons at pp.28-35 *

Also Published As

Publication number Publication date
CN1037224A (en) 1989-11-15
JP2693480B2 (en) 1997-12-24
KR930004560B1 (en) 1993-06-01
HK27793A (en) 1993-04-02
SG1093G (en) 1993-03-12
GB2218109A (en) 1989-11-08
JPH01275796A (en) 1989-11-06
CN1020355C (en) 1993-04-21
KR890016208A (en) 1989-11-28
GB8909435D0 (en) 1989-06-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990425