JPS5463865A - Production of corrosion resisting metal band of wrist watch - Google Patents

Production of corrosion resisting metal band of wrist watch

Info

Publication number
JPS5463865A
JPS5463865A JP13051577A JP13051577A JPS5463865A JP S5463865 A JPS5463865 A JP S5463865A JP 13051577 A JP13051577 A JP 13051577A JP 13051577 A JP13051577 A JP 13051577A JP S5463865 A JPS5463865 A JP S5463865A
Authority
JP
Japan
Prior art keywords
precious metal
resist
coating
production
etched
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
JP13051577A
Other languages
Japanese (ja)
Other versions
JPS6137357B2 (en
Inventor
Kenichi Shimodaira
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 JP13051577A priority Critical patent/JPS5463865A/en
Publication of JPS5463865A publication Critical patent/JPS5463865A/en
Publication of JPS6137357B2 publication Critical patent/JPS6137357B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Coating With Molten Metal (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

PURPOSE: To make it possible to form a strong coating of precious metal by using as a coating material a special alloy, which is free from any deterioration of corrosion resistance even after heat treatment, so as to accomplish the surface treatment such that any resist may not be left only in a clearance.
CONSTITUTION: In order to prevent corrosion resistance from being deteriorated even after the heat treatment for diffusion of precious metal, such an alloy is used as a coating material as contains less than 0.03% of carbon, 9 to 18% of Cr, less than 4% of Ag, and the remainder of Ni. The band produced as a whole is impregnated and coated with a photoresist liquid. After that, only the necessary portion is exposed and etched. After that, that portion is preparatorily plated with a necessary substance and then plates with precious metal by a wet process. In the case of the plating of the precious metal, after the resist coating, the band is exposed at a selected special angle and etched. Then, there is no resist left in a clearance only. After the precious metal plating process, the whole resist is peeled, and the diffusing treatment of a surface layer is accomplished at 200 to 900°C. Thus, it is possible to strongly coat the precious metal.
COPYRIGHT: (C)1979,JPO&Japio
JP13051577A 1977-10-31 1977-10-31 Production of corrosion resisting metal band of wrist watch Granted JPS5463865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13051577A JPS5463865A (en) 1977-10-31 1977-10-31 Production of corrosion resisting metal band of wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13051577A JPS5463865A (en) 1977-10-31 1977-10-31 Production of corrosion resisting metal band of wrist watch

Publications (2)

Publication Number Publication Date
JPS5463865A true JPS5463865A (en) 1979-05-23
JPS6137357B2 JPS6137357B2 (en) 1986-08-23

Family

ID=15036128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13051577A Granted JPS5463865A (en) 1977-10-31 1977-10-31 Production of corrosion resisting metal band of wrist watch

Country Status (1)

Country Link
JP (1) JPS5463865A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3506718A1 (en) * 1984-03-01 1985-10-10 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Nickel-based alloy for jewellery applications
JPS61230075A (en) * 1985-04-04 1986-10-14 Casio Comput Co Ltd Miniature electronic apparatus provided with time data storage function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3506718A1 (en) * 1984-03-01 1985-10-10 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Nickel-based alloy for jewellery applications
JPS61230075A (en) * 1985-04-04 1986-10-14 Casio Comput Co Ltd Miniature electronic apparatus provided with time data storage function

Also Published As

Publication number Publication date
JPS6137357B2 (en) 1986-08-23

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