EP1033632B1 - Case for wristwatches - Google Patents
Case for wristwatches Download PDFInfo
- Publication number
- EP1033632B1 EP1033632B1 EP00103587A EP00103587A EP1033632B1 EP 1033632 B1 EP1033632 B1 EP 1033632B1 EP 00103587 A EP00103587 A EP 00103587A EP 00103587 A EP00103587 A EP 00103587A EP 1033632 B1 EP1033632 B1 EP 1033632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- case according
- cover
- ring
- copper
- 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 - Lifetime
Links
Images
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
-
- 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
-
- 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
- G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
- G04B37/05—Fixed mountings for pocket or wrist watches
- G04B37/052—Fixed mountings for pocket or wrist watches with shock damping means not related to the winding stem
-
- 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
- G04B37/08—Hermetic sealing of openings, joints, passages or slits
- G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist 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
- G04B37/223—Materials or processes of manufacturing pocket watch or wrist watch cases metallic cases coated with a nonmetallic layer
Definitions
- the invention relates to a case for watches according to the preamble protection claim. 1
- Watch cases are known in many different versions.
- the object of the invention is to show a housing which has high functionality with high functionality.
- a housing is designed according to the characterizing part of the protection claim 1.
- At least the housing part but preferably also the outer cover closing off the underside of the housing, consists of a hardenable stainless steel of the group X30CrMoN15-1, which has a carbon and nitrogen content greater than 0.6%, for example between 0.55 - 0.75%.
- curable steels have hitherto been known by those skilled in the art of making Watch cases especially for wristwatches considered inappropriate, and that is because such steels are particularly strongly magnetized by external magnetic fields and then act as a permanent magnet whose magnetic field severely affects the very delicate movement of a wristwatch.
- the bisdherigen technique therefore other ways are taken to get to watch case with great hardness, namely the production of these cases made of ceramic, which is however expensive and expensive.
- the invention is now based on the finding that, surprisingly, the aforementioned, hardenable steel is suitable for cases of wristwatches, especially when additionally provided in the interior of the housing a clockwork enclosing the ring and / or a board of a diamagnetic metallic material is. It has been shown that by this ring or by this board of the clockwork receiving part of the interior of the housing can be kept free of a functional and accuracy of the clockwork impairing magnetic field. Further developments of the invention are the subject of the dependent claims.
- FIG. 1 shows a simplified representation of a section through a housing according to the invention for a men's and / or ladies' wristwatch, together with a arranged in this housing movement.
- 1 is the outer case of a men's and women's wristwatch, in which the movement 2 is housed with the hands 3 and the dial 4 and which at the top in the figure top by a disc or by a watch glass 5 off Safirglas and sealed at the bottom by a lid 6.
- the axis of the movement 2, around which the hands 3 rotate, is designated by A.
- the watch glass 5 is suitably inserted into a groove at the top of the housing and is sealed there, for example by gluing or otherwise sealed.
- the cover 6 is by screwing on the Attached bottom of the housing 1, and sealed by a sealing or O-ring. 7
- a clockwork 2 enclosing ring 8 is provided, in which the movement 2 is held.
- the ring 8 has an axial height which is equal to or approximately equal to the height of the movement 2.
- an intermediate cover 9 is provided in the interior of the housing 1, which closes the ring 8 on its side facing the outer cover 6 and via another sealing ring 10, the auxiliary housing formed by the ring 8 below, i. on the lid 6 facing side tightly closes.
- the intermediate cover 9 lies with its surface sides parallel to the surface sides of the outer cover 6 and parallel to the surface sides of the dial 4 and the watch glass 5 and thus also in planes perpendicular to the axis A of the clock, which is determined by the axis of the hands 3.
- the ring 8 With its in the figure upper end face, the ring 8 is supported on the peripheral portion of the dial 4, which in turn bears against a collar 11 which is formed on the inner surface of the housing 1 characterized in that there is the cross section of the interior of the Geotrosues 1 to form a lying in a plane perpendicular to the axis A annular abutment surface (collar 11) is reduced towards the top of the housing.
- 12 is a ring made of an elastic material, for example made of elastic plastic or rubber, which surrounds the ring 8 at its adjacent the dial 4 upper end and the axis A and arranged in an open towards the interior of the housing groove 13 of this housing is.
- the damping ring 12 forms an elastic support of the ring 8 and thus of the movement 2 and protects this movement against external, acting on the clock shocks.
- the housing 1 and the outer cover 6 are made of a solid material by machining on a lathe, preferably on a CNC lathe made of a corrosion and acid-resistant steel, which is curable and its carbon - And nitrogen content is above 0.1%.
- X30CrMoN15-1 (1.4108 / AMS 5898 - X30CrMoN15-1) is used, said steel carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum nickel, Aluminum, nitrogen, titanium and copper in the following proportion and the proportion of carbon + nitrogen in total about 0.6 to 0.7:
- X30CrMoN15-1 Carbon (C): 0.31% Nitrogen (N): 0.40% Silicon (Si): 0.5% Manganese (Mn): 0.53% Phosphorus (P): 0.014% Sulfur (S): 0.007% Chrome (Cr): 14.69% Molybdenum (Mo): 1.05% Nickel (Ni): 0.19% Aluminum (Al): 0.005% Vanadium (V): 0.05% Titanium (Ti): 0.003% Copper (Cu): 0.05%
- the manufacture of the housing 1 and the lid 6 made of the solid material by means of machining takes place by the first a blank is produced. Subsequently, this blank is heated in a vacuum oven or in a protective gas atmosphere at a temperature above 1000 ° C, preferably at a temperature between about 1030 and 1060 ° C and then quenched. Subsequently, a relaxation of the so-cured blank at a temperature below 200 ° C, i. at a temperature of about 170-180 ° C over a period of one to two hours.
- the housing 1 and the lid 6, which then have a hardness of up to 63 and 65 HRC respectively, can be aftertreated on the surfaces, for example by blasting with glass beads, mirror polishing, CVD PVD coating.
- the intermediate ring 8 which consists of one of the magnetic metallic material, i. displaced from a material of the existing magnetic lines.
- the intermediate ring 8 preferably consists of CuZn 40 Al 2.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Clocks (AREA)
- Physical Vapour Deposition (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Telephone Function (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Gehäuse für Armbanduhren gemäß Oberbegriff Schutzanspruch 1.The invention relates to a case for watches according to the preamble protection claim. 1
Gehäuse für Armbanduhren sind in den unterschiedlichsten Ausführungen bekannt.Watch cases are known in many different versions.
Bekannt ist weiterhin auch, daß korrosionsbeständige Gegenstände mit großer Härte, wie beispielsweise Messer, Scheren, chirurgische Intrumente, Werkzeuge usw. preiswert auf herkömmlichen Maschinen und durch auschließendes Härten aus einem Stahl hergestellt werden können, der folgende Zusammensetzung aufweist:
Bekannt ist weiterhin auch (
Aufgabe der Erfindung ist es, ein Gehäuse aufzuzeigen, welches bei hoher Funktionalität eine hohe Belastbarkeit aufweiset.The object of the invention is to show a housing which has high functionality with high functionality.
Zur Lösung dieser Aufgabe ist ein Gehäuse entsprechend dem kennzeichnenden Teil des Schutzanspruches 1 ausgeführt.To solve this problem, a housing is designed according to the characterizing part of the protection claim 1.
Bei dem erfindungsgemäßen Gehäuse besteht zumindest das Gehäuseteil, bevorzugt aber auch der das Gehäuse an der Unterseite abschließende äußere Deckel aus einem härtbaren Edelstahl der Gruppe X30CrMoN15-1, der einen Kohlenstoff- und Stickstoffanteil größer als 0,6 % aufweist, beispielsweise zwischen 0,55 - 0,75%.In the housing according to the invention, at least the housing part, but preferably also the outer cover closing off the underside of the housing, consists of a hardenable stainless steel of the group X30CrMoN15-1, which has a carbon and nitrogen content greater than 0.6%, for example between 0.55 - 0.75%.
Obwohl sich der vorgenannte Stahl im ungehärteten Zustand mit herkömmlichen Mitteln und auf herkömmlichen Maschinen relativ einfach und preiswert verarbeiten läßt wird nach dem Härten ein sehr robustes, hartes Uhrengehäuse erhalten wird, wurden härtbare Stähle bisher von der Fachwelt für die Herstellung von Uhrengehäusen insbesondere auch für Armbanduhren für ungeeignet erachtet, und zwar deswegen, weil derartige Stähle insbesondere auch durch äußere Magnetfelder stark magnetisierbar sind und dann als Permanentmagneten wirken, deren Magnetfeld das sehr empfindliche Uhrwerk einer Armbanduhr stark beeinträchtigt. In der bisdherigen Technik werden daher andere Wege beschritten, um zu Uhrengehäuse mit großer Härte zu gelangen, nämlich die Herstellung dieser Gehäuse aus Keramik, was allerdings teuer und aufwendig ist.Although the above steel can be relatively easily and inexpensively processed in the unhardened state by conventional means and on conventional machines, after hardening a very robust, hard watch case is obtained, curable steels have hitherto been known by those skilled in the art of making Watch cases especially for wristwatches considered inappropriate, and that is because such steels are particularly strongly magnetized by external magnetic fields and then act as a permanent magnet whose magnetic field severely affects the very delicate movement of a wristwatch. In the bisdherigen technique therefore other ways are taken to get to watch case with great hardness, namely the production of these cases made of ceramic, which is however expensive and expensive.
Der Erfindung liegt nun die Erkenntnis zugrunde, daß in überraschender Weise der vorgenannte, härtbare Stahl für Gehäuse von Armbanduhren geeignet ist, insbesondere auch dann, wenn zusätzlich im Inneren des Gehäuses ein das Uhrwerk umschließende Ring und/oder eine Platine aus einem diamagnetischen metallischen Werkstoff vorgesehen ist. Es hat sich gezeigt, daß durch diesen Ring bzw. durch diese Platine der das Uhrwerk aufnehmende Teil des Innenraumes des Gehäuses von einem die Funktion- und Ganggenauigkeit des Uhrwerkes beeinträchtigenden Magnetfeld frei gehalten werden kann. Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.The invention is now based on the finding that, surprisingly, the aforementioned, hardenable steel is suitable for cases of wristwatches, especially when additionally provided in the interior of the housing a clockwork enclosing the ring and / or a board of a diamagnetic metallic material is. It has been shown that by this ring or by this board of the clockwork receiving part of the interior of the housing can be kept free of a functional and accuracy of the clockwork impairing magnetic field. Further developments of the invention are the subject of the dependent claims.
Die Erfindung wird im Folgenden anhand der Figur an einem Ausführungsbeispiel näher erläutert. Die Figur zeigt in vereinfachter Darstellung einen Schnitt durch ein erfindungsgemäßen Gehäuse für eine Herren- und/oder Damen-Armbanduhr, zusammen mit einem in diesem Gehäuse angeordneten Uhrwerk.The invention will be explained in more detail below with reference to the figure of an embodiment. The figure shows a simplified representation of a section through a housing according to the invention for a men's and / or ladies' wristwatch, together with a arranged in this housing movement.
In der Figur ist 1 das äußere Gehäuse einer Herren- und Damen-Armbanduhr, in welchem das Uhrwerk 2 mit den Zeigern 3 und dem Zifferblatt 4 untergebracht ist und welches an der in der Figur oben liegenden Oberseite durch eine Scheibe oder durch ein Uhrenglas 5 aus Safirglas und an der Unterseite durch einen Deckel 6 dicht verschlossen ist. Die Achse des Uhrwerkes 2, um die die Zeiger 3 umlaufen, ist mit A bezeichnet. Das Uhrenglas 5 ist in geeigneter Weise in eine Nut an der Oberseite des Gehäuses eingesetzt und dort beispielsweise durch Verkleben oder auf andere geeignete Weise abgedichtet befestigt ist. Der Deckel 6 ist durch Aufschrauben an der Unterseite des Gehäuses 1 befestigt, und zwar abgedichtet durch einen Dichtungs- oder O-Ring 7.In the figure, 1 is the outer case of a men's and women's wristwatch, in which the
Im Inneren des Gehäuses 1 ist ein das Uhrwerk 2 umschließender Ring 8 vorgesehen, in welchem das Uhrwerk 2 gehalten ist. Der Ring 8 besitzt eine axiale Höhe, die gleich oder etwa gleich der höhe des Uhrwerkes 2 ist. Weiterhin ist im Inneren des Gehäuses 1 ein Zwischendeckel 9 vorgesehen, der den Ring 8 an seiner dem äußeren Deckel 6 zugewandten Seite verschließt und über einen weiteren Dichtungsring 10 das von dem Ring 8 gebildete Hilfsgehäuse unten, d.h. an der dem Deckel 6 zugewandten Seite dicht abschließt. Der Zwischendeckel 9 liegt mit seinen Oberflächenseiten parallel zu den Oberflächenseiten des äußeren Deckels 6 und parallel zu den Oberflächenseiten des Zifferblattes 4 sowie des Uhrenglases 5 und damit auch in Ebenen senkrecht zu der Achse A der Uhr, die durch die Achse der Zeiger 3 bestimmt ist. Gehalten ist der Zwischendeckel 9 am Ring 8 dadurch, daß sich dieser Zwischendeckel mit seiner dem Uhrwerk 2 abgewandten Seite gegen die Innenfläche des äußeren Deckels 6 abstützt und zwar unter elastischer Verformung des Dichtungsringes 10, so daß eine rüttel- und klapperfreie Anordnung des Zwischendeckels 9 gegeben ist.Inside the housing 1, a
Mit seiner in der Figur oberen Stirnseite stützt sich der Ring 8 am Umfangsbereich des Zifferblattes 4 ab, welches seinerseits gegen einen Bund 11 anliegt, der an der Innenfläche des Gehäuses 1 dadurch gebildet ist, daß sich dort der Querschnitt des Innenraumes des Gehäsues 1 zur Bildung einer in einer Ebene senkrecht zur Achse A liegenden ringförmigen Anlagefläche (Bund 11) zur Oberseite des Gehäuses hin verringert. Mit 12 ist ein Ring aus einem elastischen Material, beispielsweise aus elastischem Kunststoff oder Gummi bezeichnet, der den Ring 8 an seiner dem Zifferblatt 4 benachbarten oberen Ende sowie auch die Achse A umschließt und in einer zum Innenraum des Gehäuses hin offenen Nut 13 dieses Gehäuses angeordnet ist. Der Dämpfungsring 12 bildet eine elastische Lagerung des Ringes 8 und damit des Uhrwerkes 2 und schützt dieses Uhrwerk gegen äußere, auf die Uhr einwirkende Stöße.With its in the figure upper end face, the
Die Besonderheit der dargestellten Uhr besteht darin, daß das Gehäuse 1 sowie auch der äußere Deckel 6 aus einem Vollmaterial durch spanabhebende Bearbeitung auf einer Drehmaschine, vorzugsweise auf einer CNC-Drehmaschine aus einem korrosions- und säurebeständigen Stahl hergestellt sind, der härtbar ist und dessen Kohlenstoff- und Stickstoffanteil über 0,1% liegt.The peculiarity of the clock shown is that the housing 1 and the
Für die Herstellung des Gehäuses 1 und des äußeren Deckels 6 wird speziell ein Stahl der Gruppe X30CrMoN15-1 (1.4108/AMS 5898 - X30CrMoN15-1) verwendet, wobei dieser Stahl Kohlenstoff, Silicium, Mangan, Phosphor, Schwefel, Chrom, Molybdän Nickel, Aluminium, Stickstoff, Titan und Kupfer in folgendem Anteil aufweisen und der Anteil Kohlenstoff + Stickstoff insgesamt etwa 0,6 - 0,7 beträgt:
Im einzelnen erfolgt das Herstellen des Gehäuses 1 sowie des Deckels 6 aus dem Vollmaterial durch spanabhebende Bearabeitung, durch die zunächst ein Rohling hergestellt wird. Anschließend wird dieser Rohling in einem Vakuumofen oder in einer Schutzgasatmosphäre bei einer Temperatur über 1000° C, vorzugsweise bei einer Temperatur zwischen etwa 1030 und 1060° C erhitzt und dann abgeschreckt. Anschließend erfolgt ein Entspannen des so gehärteten Rohlings bei einer Temperatur unter 200° C, d.h. bei einer Temperatur von etwa 170 - 180° C über eine Zeitdauer von ein bis zwei Stunden.In detail, the manufacture of the housing 1 and the
Das Gehäuse 1 und der Deckel 6, die dann eine Härte bis zu 63 bzw. 65 HRC aufweisen, können an den Oberflächen nachbehandelt werden, und zwar beispielsweise durch Strahlen mit Glasperlen, Hochglanzpolieren, CVD-PVD-Beschichten.The housing 1 and the
Mit dem vorbeschriebenen Verfahren lassen sich ein hochwertiges und extrem widerstandsfähiges Gehäuse 1 mit einem ebenso hochwertigen und widerstandsfähigen Deckel 6 realisieren. Um allerdings das vorgenannte Material einsetzen zu können, ist zumindest bei mechanischen Uhrwerken der Zwischenring 8 zweckmäßig, der aus einem der magnetischen metallischen Werkstoff besteht, d.h. aus einem Werkstoff der vorhandene Magnetlinien verdrängt. Als Werkstoff eignen sich insbesondere Kupfer-Legierungen und dabei speziell Kupfer-Zinn oder Kupfer-Zink-Legierungen. Bevorzugt besteht der Ring 8 aus CuZn 40 Al2.With the method described above, a high-quality and extremely resistant housing 1 with a likewise high-quality and
Aus dem gleichen Material wie der Ring 8 ist auch das Zifferblatt 4 bzw. die dieses Zifferblatt bildende Scheibe und der Zwischendeckel 9 hergestellt, so daß das Uhrwerk 2 vollständig in einem Gehäuse bzw. in einer Abschirmung aus dem der magnetischen metallischen Werkstoff untergebracht ist. Anstelle des Zifferblattes 4 und/oder des Zwischendeckels 9 können auch flache, scheibenartige Ringe ausreichend sein, die die obere und/oder untere offenen Seite des Ringes 8 nur teilweise verschließen.From the same material as the
Mit der beschriebenen Ausbildung ist es möglich, für das Gehäuse 1 und den äußeren Deckel 6 den vorstehend genannten, leicht bearbeitbaren und nach dem Härten eine extrem hohe Härte aufweisenden Stahl zu verwenden, und dennoch die hohe Ganggenauigkeit für das empfindliche Uhrwerk 2 zu garantieren.With the described configuration, it is possible to use for the housing 1 and the
- 11
- Gehäusecasing
- 22
- Uhrwerkclockwork
- 33
- Zeigerpointer
- 44
- Zifferblattdial
- 55
- UhrenglasUhrenglas
- 66
- äußerer Gehäusedeckelouter housing cover
- 77
- Dichtungsringsealing ring
- 88th
- Zwischenringintermediate ring
- 99
- Zwischendeckelintermediate cover
- 1010
- Dichtungsringsealing ring
- 1111
- BundFederation
- 1212
- Dämpfungsringdamping ring
- 1313
- Nutgroove
Claims (11)
- Case for wristwatches, consisting of a case part (1) which holds the watch movement with a watch glass (5) closing the case on the upper side and with a cover which closes the case on the underneath side (6) characterised in that at least the case part (1) is made from a hardenable stainless steel of the group X30 CrMo N15-1.
- Case according to claim 1 characterised in that the hardenable steel has the following alloy proportions :
carbon (C): 0.31 nitrogen (N): 0.40% silicon (Si): 0.5% manganese (Mn): 0.53% phosphorus (P): 0.014% sulphur (S): 0.007% chromium (Cr): 14.69% molybdenum (Mo): 1.05% nickel (N): 0.19% aluminium (Al): 0.005% vanadium (V): 0.05% titanium (Ti): 0.003% copper (Cu): 0.05% - Case according to claim 1 or 2 characterised in that an intermediate ring (8) surrounding the watch movement (2) is provided in the outer case part (1).
- Case according to one of claims 1 to 3 characterised in that the outer cover (6) is likewise made from a hardenable stainless steel.
- Case according to one of the preceding claims characterised in that the watch face (4) consists in at least one area of the diamagnetic metal material.
- Case according to one of claims 1 to 5 characterised in that a cover (9) or ring of the diamagnetic metal material is provided on the side of the intermediate ring (8) facing the underneath side of the case.
- Case according to one of claims 1 to 6 characterised in that the diamagnetic metal material is a copper alloy, preferably a copper-tin or copper-zinc alloy.
- Case according to claim 7 characterised in that the diamagnetic material is CuZn 40 A12.
- Case according to one of claims 1 to 8 characterised in that the case part and/or the cover (6) are heated for hardening in an inert gas atmosphere to a temperature above 1000°C, preferably to a temperature between 1030 and 1060°C.
- Case according to one of claims 1 to 9 characterised in that the case part (1) and/or the cover (6) are treated after hardening and expanding by blasting glass beads onto the surface thereof.
- Case according to one of claims 1 to 9 characterised in that after hardening and expanding the case part (1) and/or the cover (6) are highly polished and/or PVD and/or CVD-coated.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29903203U DE29903203U1 (en) | 1999-02-23 | 1999-02-23 | Watch case |
DE29903203U | 1999-02-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1033632A2 EP1033632A2 (en) | 2000-09-06 |
EP1033632A3 EP1033632A3 (en) | 2001-02-28 |
EP1033632B1 true EP1033632B1 (en) | 2009-10-28 |
Family
ID=8069801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00103587A Expired - Lifetime EP1033632B1 (en) | 1999-02-23 | 2000-02-19 | Case for wristwatches |
Country Status (5)
Country | Link |
---|---|
US (1) | US6267499B1 (en) |
EP (1) | EP1033632B1 (en) |
AT (1) | ATE447202T1 (en) |
DE (2) | DE29903203U1 (en) |
ES (1) | ES2335966T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012014948B3 (en) * | 2012-07-30 | 2013-09-12 | Peter Barth | Use of martensitic chromium steel with specified portion of carbon obtained by quench hardening in form of heat treatment and subsequent quenching without embroidering from ferritic steel material, for watches, watch parts and jewelry |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060104161A1 (en) * | 2001-12-14 | 2006-05-18 | Philippe Stalder | Watch case base and method for making same |
JP2004279169A (en) * | 2003-03-14 | 2004-10-07 | Seiko Instruments Inc | Ornament and watch |
EP2034376B1 (en) * | 2007-09-10 | 2010-03-10 | Daniel Roth et Gerald Genta Haute Horlogerie SA | Watch case |
US9989923B2 (en) * | 2016-05-02 | 2018-06-05 | Seiko Epson Corporation | Electronic timepiece |
CN113311691B (en) * | 2021-06-10 | 2022-06-10 | 深圳市纳晶云科技有限公司 | Intelligent watch with collision protection function |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE693146C (en) | 1936-01-29 | 1940-07-04 | Ed Doerrenberg Soehne | Corrosion-resistant objects with good hardenability, great hardness and easy processing |
CH587269A4 (en) * | 1969-04-18 | 1970-10-15 | ||
CH641313GA3 (en) * | 1980-05-31 | 1984-02-29 | ||
CH649435GA3 (en) * | 1981-05-22 | 1985-05-31 | ||
DE3323758C1 (en) * | 1983-07-01 | 1984-07-19 | Bernd 4000 Düsseldorf Deckert | Clock face |
CH674293B5 (en) * | 1988-12-21 | 1990-11-30 | Ebauchesfabrik Eta Ag | |
DE19519714A1 (en) | 1994-03-04 | 1996-11-21 | Konrad Damasko | Wrist-watch |
DE4407170C2 (en) | 1994-03-04 | 1997-03-06 | Daimler Benz Ag | Movable crane device with a lifting device which can be actuated by a cable winch for a hard top of a motor vehicle |
DE4407179A1 (en) | 1994-03-04 | 1995-09-14 | Konrad Damasko | Case for wristwatches |
DE19757027B4 (en) * | 1997-12-20 | 2004-11-04 | Fag Kugelfischer Ag | Ball bearings for high speeds |
-
1999
- 1999-02-23 DE DE29903203U patent/DE29903203U1/en not_active Expired - Lifetime
-
2000
- 2000-02-19 AT AT00103587T patent/ATE447202T1/en active
- 2000-02-19 DE DE50015775T patent/DE50015775D1/en not_active Expired - Lifetime
- 2000-02-19 EP EP00103587A patent/EP1033632B1/en not_active Expired - Lifetime
- 2000-02-19 ES ES00103587T patent/ES2335966T3/en not_active Expired - Lifetime
- 2000-02-22 US US09/510,306 patent/US6267499B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012014948B3 (en) * | 2012-07-30 | 2013-09-12 | Peter Barth | Use of martensitic chromium steel with specified portion of carbon obtained by quench hardening in form of heat treatment and subsequent quenching without embroidering from ferritic steel material, for watches, watch parts and jewelry |
Also Published As
Publication number | Publication date |
---|---|
EP1033632A3 (en) | 2001-02-28 |
ES2335966T3 (en) | 2010-04-07 |
US6267499B1 (en) | 2001-07-31 |
DE50015775D1 (en) | 2009-12-10 |
DE29903203U1 (en) | 1999-05-20 |
EP1033632A2 (en) | 2000-09-06 |
ATE447202T1 (en) | 2009-11-15 |
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