CH332199A - Method of manufacturing a part of a timepiece and part obtained by this process - Google Patents

Method of manufacturing a part of a timepiece and part obtained by this process

Info

Publication number
CH332199A
CH332199A CH332199DA CH332199A CH 332199 A CH332199 A CH 332199A CH 332199D A CH332199D A CH 332199DA CH 332199 A CH332199 A CH 332199A
Authority
CH
Switzerland
Prior art keywords
timepiece
manufacturing
layer
plate
mechanically
Prior art date
Application number
Other languages
French (fr)
Inventor
Monnier Raymond
Original Assignee
Monnier Raymond
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 Monnier Raymond filed Critical Monnier Raymond
Publication of CH332199A publication Critical patent/CH332199A/en

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04DAPPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0043Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms
    • G04D3/0048Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms for dials
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/005Jewels; Clockworks; Coins
    • GPHYSICS
    • G04HOROLOGY
    • G04DAPPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0069Watchmakers' or watch-repairers' machines or tools for working materials for working with non-mechanical means, e.g. chemical, electrochemical, metallising, vapourising; with electron beams, laser beams

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Description

  

  Procédé de fabrication d'une partie de pièce d'horlogerie  et partie obtenue par ce procédé    La présente invention concerne un procédé  de fabrication d'une partie de pièce d'horloge  rie telle que pont, platine, cadran, etc., et la  partie obtenue par ce procédé.  



  Le procédé est caractérisé par le fait que,  sur cette partie, on dépose, par voie électro  lytique, une couche de métal, enlève mécani  quement cette couche par endroits et sur toute  son épaisseur, puis plonge la partie dans un  bain dit de déplacement, de façon qu'un autre  métal que celui de la couche et de la partie  se dépose en lieu et place de la matière en  levée mécaniquement.  



  Le dessin ci-annexé illustre un exemple de  mise en     aeuvre    du procédé susmentionné ap  pliqué à un cadran, les     fig.    1 à 6 concernant  différentes phases de cet exemple.  



  On part d'une plaque de cadran 1 (voir       fig.    1 et 2), en cuivre ou en un alliage à base  de cuivre. On recouvre la face supérieure de  cette plaque par voie électrolytique d'une cou  che 2, par exemple de nickel, dont l'épaisseur  a été fortement exagérée au dessin. Puis on  enlève mécaniquement le dépôt de nickel aux  endroits où doivent se trouver les signes ho  raires, créant ainsi des vides 3. Après quoi,  la plaque est plongée dans un bain, dit de dé  placement, et formé, par exemple, d'un mé  lange de sels d'or, de phosphate de sodium,  de cyanure de potassium et d'eau distillée.

    Ainsi qu'il est bien connu, une partie du cui-         vre    formant le fond des vides 3 se dissout  dans le bain et est remplacée par une pelli  cule d'or 4, provenant de la décomposition des  sels d'or susmentionnés. On obtient ainsi (voir       fig.    5 et 6) un cadran nickelé dans lequel les  signes horaires sont dorés.  



  D'autres métaux que le nickel et l'or pour  raient être employés. On pourrait aussi laisser  le dépôt de nickel aux endroits où doivent se  trouver les signes horaires et l'enlever méca  niquement sur le reste de la plaque.  



  Enfin, on pourrait aussi décorer de     cetté     façon par exemple la platine, les ponts, la  masse du remontoir automatique, etc.



  Method of manufacturing a part of a timepiece and part obtained by this method The present invention relates to a method of manufacturing a part of a clock part such as a bridge, plate, dial, etc., and the part obtained by this process.



  The process is characterized by the fact that, on this part, a layer of metal is deposited electrolytically, this layer is mechanically removed in places and over its entire thickness, then the part is immersed in a so-called displacement bath, so that a metal other than that of the layer and of the part is deposited instead of the material being lifted mechanically.



  The accompanying drawing illustrates an exemplary implementation of the aforementioned method applied to a dial, FIGS. 1 to 6 relating to different phases of this example.



  We start with a dial plate 1 (see fig. 1 and 2), made of copper or a copper-based alloy. The upper face of this plate is covered electrolytically with a layer 2, for example of nickel, the thickness of which has been greatly exaggerated in the drawing. Then the nickel deposit is mechanically removed at the places where the hourly signs must be found, thus creating voids 3. After which, the plate is immersed in a bath, said to be displaced, and formed, for example, of a mixture of gold salts, sodium phosphate, potassium cyanide and distilled water.

    As is well known, part of the copper forming the bottom of the voids 3 dissolves in the bath and is replaced by a gold film 4, resulting from the decomposition of the above-mentioned gold salts. We thus obtain (see fig. 5 and 6) a nickel-plated dial in which the hour signs are gilded.



  Metals other than nickel and gold could be used. We could also leave the nickel deposit where the hour signs should be and remove it mechanically from the rest of the plate.



  Finally, we could also decorate this way for example the plate, the bridges, the mass of the automatic winder, etc.

 

Claims (1)

REVENDICATIONS I. Procédé de fabrication d'une partie de pièce d'horlogerie, caractérisé par le fait que, sur cette partie, on dépose, par voie électro lytique, une couche de métal, enlève mécani quement cette couche par endroits et sur toute son épaisseur, puis plonge la partie dans un bain dit de déplacement, de façon qu'un autre métal que celui de la couche et de la partie se dépose en lieu et place de la matière enle vée mécaniquement. II. Partie de pièce d'horlogerie obtenue par le procédé selon la revendication I. CLAIMS I. A method of manufacturing a part of a timepiece, characterized in that, on this part, a layer of metal is deposited by electrolytic means, this layer is mechanically removed in places and over its entire surface. thickness, then immerses the part in a so-called displacement bath, so that a metal other than that of the layer and of the part is deposited instead of the material removed mechanically. II. Part of a timepiece obtained by the process according to claim I.
CH332199D 1956-08-30 1956-08-30 Method of manufacturing a part of a timepiece and part obtained by this process CH332199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH332199T 1956-08-30

Publications (1)

Publication Number Publication Date
CH332199A true CH332199A (en) 1958-08-31

Family

ID=4502341

Family Applications (1)

Application Number Title Priority Date Filing Date
CH332199D CH332199A (en) 1956-08-30 1956-08-30 Method of manufacturing a part of a timepiece and part obtained by this process

Country Status (1)

Country Link
CH (1) CH332199A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658968GA3 (en) * 1984-10-26 1986-12-31 Method for producing a metal insert in an object, especially a gold insert in a watch body or a watchstrap made of stainless steel
EP0405006A2 (en) * 1989-06-30 1991-01-02 Peter Birkenmeier Process for manufacture of decorative surfaces
EP1071000A1 (en) * 1999-07-23 2001-01-24 Damian Rickenbach Method for shaping surfaces of parts of watch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658968GA3 (en) * 1984-10-26 1986-12-31 Method for producing a metal insert in an object, especially a gold insert in a watch body or a watchstrap made of stainless steel
EP0405006A2 (en) * 1989-06-30 1991-01-02 Peter Birkenmeier Process for manufacture of decorative surfaces
EP0405006A3 (en) * 1989-06-30 1991-08-21 Peter Birkenmeier Process for manufacture of decorative surfaces
EP1071000A1 (en) * 1999-07-23 2001-01-24 Damian Rickenbach Method for shaping surfaces of parts of watch
EP1070999A1 (en) * 1999-07-23 2001-01-24 Damian Rickenbach Method for shaping the surface of clockwork pieces

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