JPS56142887A - Exterior parts for watch - Google Patents

Exterior parts for watch

Info

Publication number
JPS56142887A
JPS56142887A JP4547180A JP4547180A JPS56142887A JP S56142887 A JPS56142887 A JP S56142887A JP 4547180 A JP4547180 A JP 4547180A JP 4547180 A JP4547180 A JP 4547180A JP S56142887 A JPS56142887 A JP S56142887A
Authority
JP
Japan
Prior art keywords
plating
watch
noble metal
exterior parts
alloy
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.)
Granted
Application number
JP4547180A
Other languages
Japanese (ja)
Other versions
JPS602398B2 (en
Inventor
Yoshio Morita
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP4547180A priority Critical patent/JPS602398B2/en
Publication of JPS56142887A publication Critical patent/JPS56142887A/en
Publication of JPS602398B2 publication Critical patent/JPS602398B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Electroplating Methods And Accessories (AREA)

Abstract

PURPOSE: To enhance corrosion resistance of the exterior parts of a watch applied with a noble metal plating, in applying the noble metal plating to the surface of a metal substrate material, by coating an Sn alloy containing Ni, Co or the like as an undercoat plating.
CONSTITUTION: In producing the beautiful exterior parts of a watch by plating a noble metal such as Au or the like on a surface of a metal substrate material such as a german silver or the like, as an undercoat plating, the Sn alloy consisting of 60W90% Sn and the remainder of Ni, Co or both of them is plated. Because said Sn alloy has excellent corrosion resistance, corrosion products are not eluted through a pinhole of the noble metal plating layer and excellent appearance can be kept over a long period.
COPYRIGHT: (C)1981,JPO&Japio
JP4547180A 1980-04-07 1980-04-07 Exterior parts for watches Expired JPS602398B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4547180A JPS602398B2 (en) 1980-04-07 1980-04-07 Exterior parts for watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4547180A JPS602398B2 (en) 1980-04-07 1980-04-07 Exterior parts for watches

Publications (2)

Publication Number Publication Date
JPS56142887A true JPS56142887A (en) 1981-11-07
JPS602398B2 JPS602398B2 (en) 1985-01-21

Family

ID=12720296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4547180A Expired JPS602398B2 (en) 1980-04-07 1980-04-07 Exterior parts for watches

Country Status (1)

Country Link
JP (1) JPS602398B2 (en)

Also Published As

Publication number Publication date
JPS602398B2 (en) 1985-01-21

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