DE69000614T2 - EQUIPMENT FOR A CLOCK AND METHOD FOR THE PRODUCTION THEREOF. - Google Patents

EQUIPMENT FOR A CLOCK AND METHOD FOR THE PRODUCTION THEREOF.

Info

Publication number
DE69000614T2
DE69000614T2 DE1990600614 DE69000614T DE69000614T2 DE 69000614 T2 DE69000614 T2 DE 69000614T2 DE 1990600614 DE1990600614 DE 1990600614 DE 69000614 T DE69000614 T DE 69000614T DE 69000614 T2 DE69000614 T2 DE 69000614T2
Authority
DE
Germany
Prior art keywords
clock
production
equipment
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
DE1990600614
Other languages
German (de)
Other versions
DE69000614D1 (en
Inventor
Eric Loth
Pierre-Alain Walder
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.)
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
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 Ebauchesfabrik ETA AG filed Critical Ebauchesfabrik ETA AG
Application granted granted Critical
Publication of DE69000614D1 publication Critical patent/DE69000614D1/en
Publication of DE69000614T2 publication Critical patent/DE69000614T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/007—Antimagnetic alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
DE1990600614 1989-01-18 1990-01-11 EQUIPMENT FOR A CLOCK AND METHOD FOR THE PRODUCTION THEREOF. Expired - Fee Related DE69000614T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH14789 1989-01-18

Publications (2)

Publication Number Publication Date
DE69000614D1 DE69000614D1 (en) 1993-02-04
DE69000614T2 true DE69000614T2 (en) 1993-07-08

Family

ID=4180321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990600614 Expired - Fee Related DE69000614T2 (en) 1989-01-18 1990-01-11 EQUIPMENT FOR A CLOCK AND METHOD FOR THE PRODUCTION THEREOF.

Country Status (3)

Country Link
EP (1) EP0379061B1 (en)
JP (1) JPH03111542A (en)
DE (1) DE69000614T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0964071A1 (en) * 1998-06-12 1999-12-15 Asulab S.A. Ferritic stainless steel and exterior cover part for a watch made with such a steel
US20060130938A1 (en) * 2002-10-04 2006-06-22 Firth Ag Ferritic steel alloy
EP3176653B1 (en) * 2015-12-03 2018-09-26 Cartier International AG Clock component having a magnetic shielding function and comprising a steel alloy

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1140573A (en) * 1956-01-25 1957-07-29 Birmingham Small Arms Co Ltd Ferritic chromium steels
FR2055782B1 (en) * 1969-08-18 1973-11-16 Uebelhardt Roger
BE805253A (en) * 1973-09-25 1974-01-16 Nyby Bruk Ab Welded constructions - of corrosion resistant chrome steel sheets, eg vess-els, pipes heat-exchangers for hot water
CA1184402A (en) * 1980-04-11 1985-03-26 Sumitomo Metal Industries, Ltd. Ferritic stainless steel having good corrosion resistance

Also Published As

Publication number Publication date
JPH03111542A (en) 1991-05-13
EP0379061A1 (en) 1990-07-25
DE69000614D1 (en) 1993-02-04
EP0379061B1 (en) 1992-12-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee