EP0844539B1 - Elément décoratif, notamment élément constitutif d'une pièce d'horlogerie - Google Patents
Elément décoratif, notamment élément constitutif d'une pièce d'horlogerie Download PDFInfo
- Publication number
- EP0844539B1 EP0844539B1 EP96118796A EP96118796A EP0844539B1 EP 0844539 B1 EP0844539 B1 EP 0844539B1 EP 96118796 A EP96118796 A EP 96118796A EP 96118796 A EP96118796 A EP 96118796A EP 0844539 B1 EP0844539 B1 EP 0844539B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- decorative element
- element according
- substrate
- hard
- diamond
- 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
- 239000010432 diamond Substances 0.000 claims description 34
- 229910003460 diamond Inorganic materials 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 26
- 238000012876 topography Methods 0.000 claims description 13
- 235000011299 Brassica oleracea var botrytis Nutrition 0.000 claims description 11
- 240000003259 Brassica oleracea var. botrytis Species 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 42
- 238000000034 method Methods 0.000 description 15
- 235000019589 hardness Nutrition 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 239000008188 pellet Substances 0.000 description 7
- 238000005498 polishing Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000007937 lozenge Substances 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000000135 prohibitive effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052576 carbides based ceramic Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 235000010603 pastilles Nutrition 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- OANVFVBYPNXRLD-UHFFFAOYSA-M propyromazine bromide Chemical compound [Br-].C12=CC=CC=C2SC2=CC=CC=C2N1C(=O)C(C)[N+]1(C)CCCC1 OANVFVBYPNXRLD-UHFFFAOYSA-M 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- G04B37/00—Cases
- G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
-
- 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 present invention relates to a decorative element comprising a surface coated with a protective layer and decorative in hard material, more particularly a component of a timepiece having a layer of hard, slightly rough material which can be if necessary, polished without undue difficulty.
- Platelets are obtained from pellets of maximum diameter equal to 51 mm.
- the manufacture of such lozenges requires the use of the equivalent around 4000 diamonds, the equivalent of 16.5 carats. These diamonds are first processed into powder and the powder is sintered at around 1,500 ° C and at a pressure of around 5,000 MPa on a hard metal substrate (carbide metallic). The pellets are then sanded and planned using a discharge process electric, and finally polished during a long process of polishing using diamond wheels. Then the lozenges are carefully selected, especially when these pastilles are intended for the realization of parts or components of wristwatches, in order to control the thickness and appearance visual, in particular the homogeneity of the color of the layer diamond. The pellets obtained are then machined, to using methods known as EDM machining or laser machining, in their form final to obtain the desired plate or ring. Finally, the sharp edges of the insert are removed during a final chamfering operation using of a diamond wheel.
- the quantity of diamond powder and the amount of energy required to transform the powder by sintering, polish the diamond layer obtained, machine and chamfer the pellet to obtain a wafer finished are such that the cost price of the pellet is very high and leads to increasing so prohibitive the cost of products in which are integrated such plates.
- this process requires the use of a sintered hard metal substrate comprising cobalt as binder for reasons of adhesion with the powder diamond.
- cobalt as a binder in the substrate makes it easily oxidizable, which requires the deposition of a protective layer on the substrate and further increases the cost price of the pellet.
- the topography of the layer obtained according to this process presents a multitude of microcrystals of diamond with dimensions of the order of 5 ⁇ m, in shape parallelepiped with extremely hard edges (of around 10,000 Vickers) and extremely resistant to wear.
- This high hardness and resistance to wear are due to the almost exclusive presence of type bond SP3 between the carbon atoms that form the layer diamond.
- the multitude of well-defined edges on the surface of these diamond layers therefore forms a multitude of anchor points for rubbed material.
- a stripe of a commonly used material, i.e. soft compared to diamond results in leaving traces visible on the surface of the hard layer, which cannot be eliminated completely, for example using a simple means, such as a damp cloth, available of all consumers.
- the main aim of the invention is therefore to remedy the disadvantages of the aforementioned prior art in providing a decorative element, particularly a component of a timepiece, comprising a surface layer of a very large material hardness having a microcrystalline structure and having a very regular topography and very little abrasive.
- the subject of the invention is an element decorative comprising a substrate coated at least partially with a protective and decorative layer in hard material, characterized in that the hard material of said layer has a microcrystalline structure and a outer surface with a regular topography of the cauliflower type.
- the hard layer has the advantage not to have sharp edges or deep hollows, even before polishing the surface of this layer.
- the marks left of deposits of softer material at the surface of the coating following a scratch can thus be easily reduced or even eliminated by a means simple, such as a cloth or finger, available to any consumer. Note that we can advantageously use such unpolished coatings without fear of mark the surface of the coating almost indelibly as was the case in the prior art.
- the hard material layer is specularly polished.
- the hard material is diamond or nitride cubic boron.
- the surface hardness of covered surfaces is around 8,000 HV, which leads to abrasion resistance four times superior to that of diamond art coatings which have hardnesses of the order of 6,000 to 8,000 HV.
- a decorative element according to the invention will now be described in detail as part of an application to the production of a component part of watchmaking and more particularly of a bezel with a wristwatch shown in Figure 1 and designated by the general reference number 1.
- Wristwatch 1 includes four pieces main: an inner middle 2, a bezel 4, a glass 6 and a back 8.
- the inner middle 2 and the glasses 4 have shapes which are determined from so that the manufacturing operations are simplified and those of assembly facilitated.
- the inner middle part 2 is made of a metal easily machinable, for example stainless steel.
- the middle 2 which is intended to contain a movement 10 surmounted by a dial 12 includes an upper part 14 and a lower part 16.
- the lower part 16 surrounds and carries movement 10 and dial 12 of a classic way which will not be described further in detail.
- the bottom 8 is also fixed to the part lower 16 conventionally through a seal 18.
- the middle 2 is fixed to the bezel 4 by a ring 20 of deformable material engaged in a radial clearance provided between facing coaxial cylindrical surfaces 22, 24 the middle part 2 and the bezel 4 respectively.
- the glass 6 is fixed in the opening of the bezel 4 by means of an intermediate seal 26 and is not supported on the upper face 28 of the middle part interior 2.
- the outer surface 30 of the bezel 4 which is in the embodiment describes the surface to be coated of a hard material, comprises a first parallel face 32 on the dial plane.
- the face 32 is extended by a second side 34 frustoconical, then by a third side lateral circular 36 perpendicular to the plane of the dial.
- the sides 32, 34, and 36 of the bezel are coated according to the invention a thin layer 38 of very material hard such as a layer of diamond or boron nitride.
- layer 38 has a thickness of between 1 and 20 micrometers and a hardness of the order of 8,000 to 10,000 HV.
- a method will be described below for carrying out a component of a timepiece according to the invention such as the telescope 4 on a certain part of which we are going to deposit a layer of diamond having a microcrystalline structure and surface topography cauliflower type.
- the substrate has a hardness greater than 800 HV, and typically a metal substrate hard sintered or ceramic is quite suitable. In effect if the substrate material is too soft, shock on the thin layer 38 will cause deformation of the substrate and in most cases a crack in the layer 38, due to poor properties elastic.
- a metal substrate hard preferably a hard stainless metal such as than a sintered hard metal based on tungsten carbide or of titanium carbide, these carbides being bonded using metallic binders such as nickel, chromium, cobalt or molybdenum or a mixture thereof.
- the surfaces to be coated are subjected to a surface treatment in order to reduce the concentration of binder on the surface (over a few tens of micrometers).
- this surface treatment can consist of a heat treatment under vacuum during which the binder on the surface evaporates, or alternatively a chemical treatment in a solution of H 2 SO 4 / H 2 O 2 at a respective concentration of 5% and 35%.
- ceramics having high impact resistance based on carbide or nitride.
- carbide-based ceramics silicon and / or silicon nitride will be appropriate.
- Oxide-based ceramic substrates can also be used, however prior treatment to obtain a carbide on the surface which must be coated is required.
- this treatment may consist of heat treatment in an atmosphere controlled, chemical or plasma treatment.
- the substrate is introduced into the enclosure of a phase chemical deposition installation steam, the substrate being arranged on a suitable assembly to deposit a layer of diamond and obtain a layer having a topography or structure of the type cauliflower.
- a method for obtaining such a layer is described in detail in the publication called “The role of hydrogen in diamond synthesis from carbon dioxide-hydrocarbon gases by micro wave plasma chemical vapor deposition "by Chia-Fu Chen and Tsao-Ming hong, published in 1992 in Surface and Coatings Technology 54/55, pages 368 to 373. It is understood that any other process for depositing layers of hard material having a structure or topography of the type cauliflower on a substrate are possible.
- the surface of the diamond layer obtained has a topography comprising an agglomerate of microglobules, as shown in Figure 4 which represents a micrograph of the surface of a diamond layer of the type cauliflower at a magnification of 2,000 times.
- Figure 4 represents a micrograph of the surface of a diamond layer of the type cauliflower at a magnification of 2,000 times.
- the bonds between the carbon atoms are almost exclusively of type SP3 and having a hardness of around 10,000 HV
- the cauliflower type diamond layers used in the decorative element according to the invention comprise a high proportion of carbon atoms linked by SP2 type bonds with a low proportion of bonds type SP3 and have a hardness of the order of 8,000 HV.
- This mixture of carbon-carbon bonds of the type SP3 and SP2 is in fact a fault which appears during the growth formation on the substrate surface of the layer of diamond and which leads to a structure in slightly rough microglobules such as those shown in Figure 4.
- the cauliflower-like layer therefore has a primary advantage in use on element constituting a timepiece, namely that the hard coat can be specularly polished using a diamond wheel without excessive difficulty.
- the decorative element according to the invention is not limited to the production of an element constituting a timepiece described above and than other decorative elements such as the link bracelet 38 shown in Figure 2 can be considered.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Vapour Deposition (AREA)
- Powder Metallurgy (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Adornments (AREA)
- Physical Vapour Deposition (AREA)
- Electric Clocks (AREA)
Description
- la figure 1 est une coupe partielle d'une montre-bracelet équipée d'un élément décoratif selon l'invention;
- la figure 2 est une coupe d'un autre élément décoratif selon l'invention sous la forme d'un maillon de bracelet dont est équipée la montre-bracelet représentée à la figure 1; et
- les figures 3 et 4 sont des micrographies de couches de diamant, respectivement du type facetté et du type chou-fleur.
Claims (12)
- Elément décoratif comprenant un substrat revêtu au moins partiellement d'une couche protectrice et décorative en matériau dur, caractérisé en ce que le matériau dur de ladite couche a une structure microcristalline et une surface extérieure présentant une topographie régulière du type chou-fleur.
- Elément décoratif selon la revendication 1, caractérisé en ce qu'il est un élément constitutif d'une pièce d'horlogerie.
- Elément décoratif selon la revendication 1 ou 2, caractérisé en ce que la couche en matériau dur est polie spéculairement.
- Elément décoratif selon l'une des revendications 1 à 3, caractérisé en ce que ledit matériau dur est du diamant.
- Elément décoratif selon l'une des revendications 1 à 3, caractérisé en ce que ledit matériau dur est du nitrure de bore cubique.
- Elément décoratif selon l'une des revendications 1 à 5, caractérisé en ce que le substrat présente une dureté supérieure ou égale à 800 HV.
- Elément décoratif selon l'une des revendications 1 à 6, caractérisé en ce que le substrat est réalisé en un métal dur inoxydable.
- Elément décoratif selon l'une des revendications 1 à 6, caractérisé en ce que le substrat est réalisé par frittage d'un mélange d'un métal dur et d'un liant.
- Elément décoratif selon l'une des revendications 1 à 6, caractérisé en ce que le substrat est réalisé en un matériau céramique.
- Elément décoratif selon la revendication 9, caractérisé en ce que ledit matériau céramique est du nitrure de silicium ou du carbure de silicium.
- Elément décoratif selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit élément est une carrure-lunette destinée à une boíte de montre.
- Elément décoratif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que ledit élément est un maillon de bracelet.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69630792T DE69630792T2 (de) | 1996-11-22 | 1996-11-22 | Zierelement insbesondere Bauteil einer Uhr |
EP96118796A EP0844539B1 (fr) | 1996-11-22 | 1996-11-22 | Elément décoratif, notamment élément constitutif d'une pièce d'horlogerie |
TW086115393A TW346557B (en) | 1996-11-22 | 1997-10-18 | Decorative element, in particular an element forming a part of a timepiece |
KR1019970055762A KR100547850B1 (ko) | 1996-11-22 | 1997-10-29 | 장식요소, 특히 시계의 일부를 형성하는 장식요소 |
US08/966,481 US6123450A (en) | 1996-11-22 | 1997-11-07 | Decorative element, in particular an element forming a part of a timepiece |
JP32085797A JP4476371B2 (ja) | 1996-11-22 | 1997-11-21 | 装飾要素、特に時計の一部を形成する要素 |
CNB971141363A CN1161673C (zh) | 1996-11-22 | 1997-11-21 | 作为钟表部件的装饰部件 |
SG1997004122A SG67443A1 (en) | 1996-11-22 | 1997-11-22 | Decorative element in particular an element forming a part of a timepiece |
HK98115089A HK1013779A1 (en) | 1996-11-22 | 1998-12-23 | Decorative element, in particular an element forming a part of a timepiece. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96118796A EP0844539B1 (fr) | 1996-11-22 | 1996-11-22 | Elément décoratif, notamment élément constitutif d'une pièce d'horlogerie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0844539A1 EP0844539A1 (fr) | 1998-05-27 |
EP0844539B1 true EP0844539B1 (fr) | 2003-11-19 |
Family
ID=8223430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96118796A Expired - Lifetime EP0844539B1 (fr) | 1996-11-22 | 1996-11-22 | Elément décoratif, notamment élément constitutif d'une pièce d'horlogerie |
Country Status (9)
Country | Link |
---|---|
US (1) | US6123450A (fr) |
EP (1) | EP0844539B1 (fr) |
JP (1) | JP4476371B2 (fr) |
KR (1) | KR100547850B1 (fr) |
CN (1) | CN1161673C (fr) |
DE (1) | DE69630792T2 (fr) |
HK (1) | HK1013779A1 (fr) |
SG (1) | SG67443A1 (fr) |
TW (1) | TW346557B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69630792T2 (de) * | 1996-11-22 | 2004-09-23 | Montres Rado S.A. | Zierelement insbesondere Bauteil einer Uhr |
EP1378805B1 (fr) * | 2002-07-02 | 2007-01-17 | CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Développement | Pièce d'horlogerie munie d'une antenne |
EP1548525B2 (fr) * | 2003-12-23 | 2017-08-16 | Rolex Sa | Elément en céramique pour boîte de montre et procédé de fabrication de cet élément |
KR20040072581A (ko) | 2004-07-29 | 2004-08-18 | (주)제이씨 프로텍 | 전자기파 증폭중계기 및 이를 이용한 무선전력변환장치 |
EP1916576B1 (fr) * | 2007-07-02 | 2014-12-17 | Rolex Sa | Boîte de montre-bracelet étanche |
EP3246767B1 (fr) * | 2016-05-19 | 2019-01-09 | The Swatch Group Research and Development Ltd. | Procédé de fabrication d'une piece d'horlogerie dotée d'un élément d'habillage creux ou en relief |
JP6862793B2 (ja) * | 2016-11-24 | 2021-04-21 | セイコーエプソン株式会社 | 時計用部品および時計 |
EP3923088A1 (fr) * | 2020-06-12 | 2021-12-15 | Comadur S.A. | Procédé de fabrication d'une pièce d'ornement en matériau dur munie d'un revêtement en polymère |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH2962A (de) * | 1891-02-04 | 1891-08-15 | Baumgartner J J | Bohrerschärfungsapparat für Stickmaschinen |
CH296274A (fr) * | 1949-11-09 | 1954-01-31 | Cellophane Sa | Appareil pour la production d'articles enveloppés en matière se ramollissant à la chaleur. |
JPS59197559A (ja) * | 1983-04-21 | 1984-11-09 | Sumitomo Electric Ind Ltd | 被覆型時計枠 |
CH658764GA3 (fr) * | 1984-01-26 | 1986-12-15 | ||
SE453474B (sv) | 1984-06-27 | 1988-02-08 | Santrade Ltd | Kompoundkropp belagd med skikt av polykristallin diamant |
CH659168GA3 (fr) | 1985-04-16 | 1987-01-15 | ||
JPS62202899A (ja) * | 1986-03-03 | 1987-09-07 | Nippon Gakki Seizo Kk | 装飾品の製法 |
KR930000141Y1 (ko) * | 1987-11-25 | 1993-01-09 | 주식회사 금성사 | 영상 출력 리미터 회로 |
US5433977A (en) * | 1993-05-21 | 1995-07-18 | Trustees Of Boston University | Enhanced adherence of diamond coatings by combustion flame CVD |
US5560839A (en) * | 1994-06-27 | 1996-10-01 | Valenite Inc. | Methods of preparing cemented metal carbide substrates for deposition of adherent diamond coatings and products made therefrom |
US5650059A (en) * | 1995-08-11 | 1997-07-22 | Credo Tool Company | Method of making cemented carbide substrate |
DE69630792T2 (de) * | 1996-11-22 | 2004-09-23 | Montres Rado S.A. | Zierelement insbesondere Bauteil einer Uhr |
-
1996
- 1996-11-22 DE DE69630792T patent/DE69630792T2/de not_active Expired - Lifetime
- 1996-11-22 EP EP96118796A patent/EP0844539B1/fr not_active Expired - Lifetime
-
1997
- 1997-10-18 TW TW086115393A patent/TW346557B/zh not_active IP Right Cessation
- 1997-10-29 KR KR1019970055762A patent/KR100547850B1/ko not_active IP Right Cessation
- 1997-11-07 US US08/966,481 patent/US6123450A/en not_active Expired - Lifetime
- 1997-11-21 CN CNB971141363A patent/CN1161673C/zh not_active Expired - Lifetime
- 1997-11-21 JP JP32085797A patent/JP4476371B2/ja not_active Expired - Lifetime
- 1997-11-22 SG SG1997004122A patent/SG67443A1/en unknown
-
1998
- 1998-12-23 HK HK98115089A patent/HK1013779A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19980041971A (ko) | 1998-08-17 |
TW346557B (en) | 1998-12-01 |
US6123450A (en) | 2000-09-26 |
JP4476371B2 (ja) | 2010-06-09 |
DE69630792T2 (de) | 2004-09-23 |
CN1185599A (zh) | 1998-06-24 |
SG67443A1 (en) | 1999-09-21 |
JPH10160863A (ja) | 1998-06-19 |
CN1161673C (zh) | 2004-08-11 |
KR100547850B1 (ko) | 2006-04-14 |
HK1013779A1 (en) | 1999-09-10 |
DE69630792D1 (de) | 2003-12-24 |
EP0844539A1 (fr) | 1998-05-27 |
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