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EP0131266B1 - Uhrgehäuse - Google Patents

Uhrgehäuse Download PDF

Info

Publication number
EP0131266B1
EP0131266B1 EP84107867A EP84107867A EP0131266B1 EP 0131266 B1 EP0131266 B1 EP 0131266B1 EP 84107867 A EP84107867 A EP 84107867A EP 84107867 A EP84107867 A EP 84107867A EP 0131266 B1 EP0131266 B1 EP 0131266B1
Authority
EP
European Patent Office
Prior art keywords
plates
watch case
watch
plate
stack
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
Application number
EP84107867A
Other languages
English (en)
French (fr)
Other versions
EP0131266A1 (de
Inventor
Jacques Cognard
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
Eta SA Fabriques dEbauches
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 Eta SA Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Publication of EP0131266A1 publication Critical patent/EP0131266A1/de
Application granted granted Critical
Publication of EP0131266B1 publication Critical patent/EP0131266B1/de
Expired legal-status Critical Current

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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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches
    • G04B37/0058—Cases for pocket watches and wrist watches for shaped watches
    • 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

Definitions

  • the present invention relates to watch cases. It relates, more particularly, to a new structure of a watch case made of metal or metal compound.
  • watch boxes made of metallic compound are produced by sintering and metal watch cases by stamping, stamping or molding, before being subjected to finishing operations which, due to the external shapes box complexes, require several repetitions and represent a large part of the cost price of the product.
  • the object of the present invention is to reduce the costs of manufacturing watch cases made of metal or of metal compound, at the same time as enabling new aesthetic effects.
  • the watch case according to the invention is formed of a stack of plates, one of which constitutes the bottom of the case and the others of which are cut internally and form the middle part.
  • the watch shown in Figures 1a and 1b includes a box which consists of a base 12, a middle part 14, a bezel 16 and a crystal 18.
  • the box contains a movement 20, a setting rod hour 22, hour, minute and second hands 24 and a dial 26.
  • the case of this watch is formed by a stack of eight plates numbered from 28 to 42.
  • the base 12 is constituted by the plate 28 and the bezel 16 by the plate 42.
  • the intermediate plates 30 at 40 constitute the middle part 14, the plate 36 forming, at the same time, the dial 26.
  • Plates 28 to 42 are roughly shaped like hexagons. Their external dimensions are advantageously chosen so as to obtain a staircase middle profile, as it appears in FIGS. 1a and 1b.
  • FIG. 1b only shows a screw-foot and a screw.
  • holes 60 are provided in the plates 28 to 40 to allow the passage of the screw-feet 44 and the screws 46.
  • the plate 42 has a circular central opening closed by the glass 18.
  • the fixing thereof is advantageously carried out by gluing.
  • the plate may itself be transparent and thus act as ice.
  • Circular openings 45 and 47 made respectively in the plates 38 and 40, define a housing for the needles 24.
  • the plate 36 which acts as a dial, carries the indexes 48 and further comprises a small central hole 50 providing passage to the trees with needles.
  • Circular openings 52, 54 and 56 made respectively in the plates 30, 32 and 34, define a housing for the movement 20 of the watch.
  • the opening 56 is slightly larger than the openings 52 and 54, so as to allow the internal edge of the plate 32 to be used as a seat for a thread 58 formed at the top of the movement 20.
  • the plate 32 also has two ears 62 serving as fasteners for the watch strap.
  • the plates can be simply joined by gluing. A waterproof watch is thus obtained, but it is not possible to repair.
  • the movement 20 is first put in place in the half-middle formed by the plates 28, 30, 32 and 34.
  • the watch may comprise, in a more conventional manner, a dial which is carried by the movement.
  • the plate 36 has an opening having substantially the same dimension as the openings 44 and 46 of the plates 38 and 40.
  • Metals and metallic compounds offer the most interesting characteristics. Stainless steel, by its moderate cost, its pleasant appearance, its mechanical and chemical resistance and its machinability, lends itself particularly well to the production of boxes according to the invention. Copper or aluminum alloys offer a wide variety of colors, thanks to the surface treatments they can undergo.
  • Obtaining particularly resistant boxes is possible by the use of plates of metal compounds such as nitrides, carbides and borides of tantalum, titanium, tungsten, vanadium, etc., and oxides such as alumina.
  • the metal plates are preferably cut into strips, by means of a progressive stamp which makes the interior openings before cutting the exterior shape.
  • the metal compound plates are produced by sintering, in molds which define the interior and exterior shapes.
  • the plates are then subjected to the finishing operations, by grinding, brushing and / or polishing. As the plates are flat, it is possible to automate these operations.
  • the plates undergo, if necessary, a surface treatment which gives them their final appearance, then they are assembled as described above.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Telephone Function (AREA)
  • Adornments (AREA)
  • Inorganic Insulating Materials (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Magnetic Treatment Devices (AREA)

Claims (9)

1. Uhrengehäuse aus Metall oder einer metallischen Verbindung, umfassend einen Boden und einen Gehäusering, dadurch gekennzeichnet. daß es aus einem Stapel von Platten gebildet ist, von denen eine den Boden bildet und die anderen innen ausgeschnitten sind und den Gehäusering bilden.
2. Uhrengehäuse nach Anspruch 1, dadurch gekennzeichnet, daß der Stapel zusätzlich eine Platte umfaßt, die die Lunette bildet, die das Glas trägt.
3. Uhrengehäuse nach Anspruch 1 oder 2. dadurch gekennzeichnet, daß die besagten Platten aus nichtrostendem Stahl bestehen.
4. Uhrengehäuse nach Anspruch 1 oder 2. dadurch gekennzeichnet. daß die besagten Platten aus einer metallischen Verbindung ausgewählt aus den Nitriden, den Karbiden, den Boriden von Tantal, Titan, Wolfram und Vanadium und Aluminiumoxid hergestellt sind.
5. Uhrengehäuse nach Anspruch 1, dadurch gekennzeichnet, daß der Stapel zusätzlich eine transparente Platte, die das Glas bildet, umfaßt.
6. Uhrengehäuse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stapel eine zusätzliche Platte umfaßt, die das Zifferblatt der Uhr bildet.
7. Uhrengehäuse nach einem der vorhergehenden Ansprüche eines Typs, der Armbandhalterungen umfaßt, dadurch gekennzeichnet, daß eine der Platten Ohren aufweist, die als Armbandbefestigungen dienen.
8. Uhrengehäuse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Platten mit Hilfe von Schrauben verbunden sind.
9. Uhrengehäuse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Platten durch Verkleben verbunden sind.
EP84107867A 1983-07-08 1984-07-05 Uhrgehäuse Expired EP0131266B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH375783A CH651998GA3 (de) 1983-07-08 1983-07-08
CH3757/83 1983-07-08

Publications (2)

Publication Number Publication Date
EP0131266A1 EP0131266A1 (de) 1985-01-16
EP0131266B1 true EP0131266B1 (de) 1987-05-06

Family

ID=4262838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107867A Expired EP0131266B1 (de) 1983-07-08 1984-07-05 Uhrgehäuse

Country Status (6)

Country Link
US (1) US4580907A (de)
EP (1) EP0131266B1 (de)
JP (1) JPS6038681A (de)
CH (1) CH651998GA3 (de)
DE (1) DE3463579D1 (de)
HK (1) HK45291A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312605A (ja) * 1989-06-09 1991-01-21 Topcon Corp 紫外・可視二波長反射多層膜ミラー
US5479686A (en) * 1991-04-12 1996-01-02 Crash Holding Ag Process for producing a case for receiving a watchwork
US5513039A (en) * 1993-05-26 1996-04-30 Litton Systems, Inc. Ultraviolet resistive coated mirror and method of fabrication
GB2284490B (en) * 1993-11-30 1998-07-01 Citizen Watch Co Ltd Structure of a watch
US5844863A (en) * 1997-02-28 1998-12-01 Voss; Wolf-Dieter Modular time piece
US8366313B2 (en) * 2009-08-04 2013-02-05 Daniel Scioscia Wrist mounted watchcase having separable main body and surrounding protective frame and wristwatch incorporating same
US8870449B2 (en) 2009-08-04 2014-10-28 Daniel Scioscia Wrist mounted watchcase having separable main body and surrounding protective frame and wristwatch incorporating same
JP5824969B2 (ja) * 2011-08-29 2015-12-02 セイコーエプソン株式会社 カバーガラスおよび時計
USD959292S1 (en) * 2022-02-07 2022-08-02 Herbert Jennings Wristwatch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294959U (de) * 1934-02-23 1934-03-29
FR1012194A (fr) * 1949-06-29 1952-07-07 Lip Procédé perfectionné de réalisation de pièces de montres
FR1304462A (fr) * 1961-10-25 1962-09-21 Schlup & Cie S A Perfectionnement aux boîtes de montres
AT284477B (de) * 1967-12-01 1970-09-10 Plansee Metallwerk Werkstoff für Schmuckstücke, insbesondere für Gehäuse von Armband- und Taschenuhren
CH583439B5 (de) * 1973-11-09 1976-12-31 Century Time Ltd
SU482710A1 (ru) * 1974-01-30 1975-08-30 Петродворцовый Ордена Трудового Красного Знамени Часовой Завод Водонепроницаемый корпус наручных часов
CH619100B (fr) * 1977-12-15 Lang Louis Sa Boite de montre etanche de forme.
JPS58500626A (ja) * 1981-05-01 1983-04-21 モントル・ラド−・エス・エイ 水密な腕時計用がわ
JPS58129282A (ja) * 1982-01-27 1983-08-02 Citizen Watch Co Ltd 時計ケ−スのガラス部の構造

Also Published As

Publication number Publication date
DE3463579D1 (en) 1987-06-11
EP0131266A1 (de) 1985-01-16
JPS6038681A (ja) 1985-02-28
CH651998GA3 (de) 1985-10-31
HK45291A (en) 1991-06-14
US4580907A (en) 1986-04-08

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