JPS54122614A - Exterior parts for watch - Google Patents

Exterior parts for watch

Info

Publication number
JPS54122614A
JPS54122614A JP3031378A JP3031378A JPS54122614A JP S54122614 A JPS54122614 A JP S54122614A JP 3031378 A JP3031378 A JP 3031378A JP 3031378 A JP3031378 A JP 3031378A JP S54122614 A JPS54122614 A JP S54122614A
Authority
JP
Japan
Prior art keywords
exterior parts
watch
cooling
amorphous
corrosion
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.)
Pending
Application number
JP3031378A
Other languages
Japanese (ja)
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 JP3031378A priority Critical patent/JPS54122614A/en
Publication of JPS54122614A publication Critical patent/JPS54122614A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To provide exterior parts for a watch which are wear and corrosion resistant and are usable for a long time, by forming entireor partial surface of the parts with amorphous metal made by rapid cooling with liquid coolant. CONSTITUTION:Some sections, e.g., outside surfaces A, B, which are liable to wear, or some sections C, D, E, F, etc. which are prone to undergo clearance corrosion, contact corrosion, of an exterior parts are made amorphous by heating the surface with, e.g., CO2 laser, and then by cooling it rapidly. Previous cooling of atmosphere with liq. nitrogen etc. forms amorphous surface more efficiently.
JP3031378A 1978-03-16 1978-03-16 Exterior parts for watch Pending JPS54122614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3031378A JPS54122614A (en) 1978-03-16 1978-03-16 Exterior parts for watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3031378A JPS54122614A (en) 1978-03-16 1978-03-16 Exterior parts for watch

Publications (1)

Publication Number Publication Date
JPS54122614A true JPS54122614A (en) 1979-09-22

Family

ID=12300289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3031378A Pending JPS54122614A (en) 1978-03-16 1978-03-16 Exterior parts for watch

Country Status (1)

Country Link
JP (1) JPS54122614A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2138323A1 (en) * 2008-06-23 2009-12-30 The Swatch Group Research and Development Ltd. Decorative element made by inlaying

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2138323A1 (en) * 2008-06-23 2009-12-30 The Swatch Group Research and Development Ltd. Decorative element made by inlaying
WO2010006887A1 (en) * 2008-06-23 2010-01-21 The Swatch Group Research And Development Ltd Decorative item produced by inlaying
US8540419B2 (en) 2008-06-23 2013-09-24 Omega S.A. Decorative piece made by inlay

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