EP2852866A2 - Externe uhrenkomponente aus hartgelötetem bimetall - Google Patents

Externe uhrenkomponente aus hartgelötetem bimetall

Info

Publication number
EP2852866A2
EP2852866A2 EP13725319.1A EP13725319A EP2852866A2 EP 2852866 A2 EP2852866 A2 EP 2852866A2 EP 13725319 A EP13725319 A EP 13725319A EP 2852866 A2 EP2852866 A2 EP 2852866A2
Authority
EP
European Patent Office
Prior art keywords
base
cover plate
alloy
metal
titanium
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.)
Granted
Application number
EP13725319.1A
Other languages
English (en)
French (fr)
Other versions
EP2852866B1 (de
Inventor
Daniel Knuchel
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development SA
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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP13725319.1A priority Critical patent/EP2852866B1/de
Publication of EP2852866A2 publication Critical patent/EP2852866A2/de
Application granted granted Critical
Publication of EP2852866B1 publication Critical patent/EP2852866B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0074—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment
    • G04D3/0097—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment for components of the means protecting the mechanism against external influences, e.g. cases
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49584—Watch or clock making having case, cover, or back
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49588—Jewelry or locket making

Definitions

  • the invention relates to a method for manufacturing a clockwork component.
  • the invention further relates to a clockwork component.
  • the invention also relates to a timepiece, including a watch, comprising at least one such dressing component.
  • clockwork components are often made of noble metals, such as gold or platinum, so as to ensure excellent resistance to corrosion.
  • noble metals such as gold or platinum
  • these metals are of high density, and the timepieces thus produced, including watches, are very heavy for the user, and in addition to a high cost.
  • a material such as gold is malleable, and its mechanical properties are average, which often requires the selection of stronger gold alloys, but also more sensitive to corrosion, with variations in appearance over time .
  • JP 60 228 666 A CITIZEN discloses the brazing of gold or gold alloy components on a titanium or titanium alloy base, and uses a nitriding nitrided surface to stop the penetration of gold into the titanium. .
  • JP 56 105 881 A SEIKO discloses the brazing of gold or gold alloy components on a cuprous alloy base.
  • the invention proposes to offer an alternative to the use of clockwork components entirely made of noble metals.
  • the invention relates to a method for manufacturing a watch-making component or a jewel, characterized in that: a metal base made of a first material is provided, which first material comprises a transition metal or titanium and / or a first alloy of said transition metal or titanium,
  • At least one metal cover plate made of a second material comprises a second metal chosen from gold, platinum, palladium or silver, and / or a second alloy comprising at least one less gold or platinum or palladium or silver, said at least one cover plate being greater than or equal to 0.5 millimeter thick;
  • said at least one cover plate is bridged on said base so as to form a bi-metallic blank
  • said bi-metallic blank is conformed to give said structural component its final shape.
  • said brazing operation is carried out with a braze chosen for soldering between, on the one hand, said first material, and on the other hand, said second material.
  • the invention also relates to a clockwork component, characterized in that it is a bimetallic material comprising a metal base made of a first material, which first material comprises titanium or a transition metal to the except nickel, and / or comprises a first alloy of said transition metal or titanium, and at least one metal cover plate made of a second material, which second material comprises a second metal selected from gold, platinum, palladium or silver, or / and comprises a second alloy comprising at least gold or platinum or palladium or silver, and in that said base and said cover plate are brazed with one another. other, and in that said at least one cover plate is greater than or equal to 0.5 millimeters in thickness.
  • the invention also relates to a timepiece, including a watch, comprising at least one such dressing component.
  • the invention also relates to a jewel, characterized in that it is made of a bi-metallic material comprising a metal base made of a first material, which first material comprises titanium or a transition metal with the exception of nickel, or and comprises a first alloy of said transition metal or titanium, and at least one metal cover plate made in a second material, which second material comprises a second metal selected from gold, platinum, palladium or silver, and / or comprises a second alloy comprising at least gold or platinum or palladium or of silver, and in that said base and said cover plate are brazed to one another, and in that said at least one cover plate is of a thickness greater than or equal to 0.5 millimeters.
  • FIG. 1 shows, schematically and in perspective, a dressing component according to the invention, with a cover plate brazed to a profiled base;
  • FIG. 2 shows, schematically and in perspective, a dressing component according to the invention, with a cover plate brazed to a base and stamped with it after brazing;
  • FIG. 3 schematically shows in perspective a covering component according to the invention, with a cover plate comprising a cutout and brazed on a profiled base at only a part of the lower surface of the cover plate facing this base;
  • FIG. 4 schematically and in perspective shows a bi-metallic blank according to the invention, with a cover plate having a through opening and brazed on a base
  • FIG. 5 represents, in cross-section, a component cladding obtained by completion of the bi-metallic blank of Figure 4, with forming the outer profile by stamping and / or machining, and machining after brazing an opening, so as to constitute, for example, a telescope of shows;
  • FIG. 6 is a diagrammatic perspective view of a cladding component according to the invention, with a cover plate comprising positioning bores and through-openings, brazed to a base comprising positioning pins in correspondence with bores of the plate;
  • - Figure 7 shows, schematically and in cross section, a trim component similar to that of Figure 2, with a deep drawn after soldering;
  • FIG. 8 schematically and in perspective shows a covering component according to the invention, with a cover plate brazed to a profiled base at only a portion of the bottom surface of the cover plate. facing this base;
  • FIG. 9 shows, schematically and in perspective, a trim component according to the invention, similar to that of Figure 8 and having H-shaped machining cutouts made on the assembly after soldering;
  • FIG. 10 is a diagrammatic perspective view of a cladding component according to the invention, with two brazed cover plates on the same profile base at only a portion of the lower surface of the cladding plate. covering facing this base;
  • Figure 1 1 shows schematically and in perspective, a trim component according to the invention, similar to Figure 10, and four side wings are curved by stamping after brazing;
  • FIG. 12 is a diagrammatic cross-sectional representation of a cladding component according to the invention, comprising two gold-plated or platinum-alloy cladding plates brazed on either side of a titanium base. or titanium alloy;
  • FIG. 13 represents, in the form of a block diagram, the method of manufacturing a component according to the invention:
  • FIGs 14 to 18 illustrate the manufacture of claws for shows:
  • Figure 14 shows, in perspective the preparation of a titanium base, with cutouts and through openings
  • Figure 15 shows the prior folding of this base to transform in stirrup of the traverses coming from cutting at the first operation
  • FIG. 16 shows the bi-metallic blank after brazing of gold cover plates on certain surfaces of the base
  • FIG. 17 shows, in perspective and in end view. a section obtained by sawing this blank, which is then deformed to form the dressing component shown in Figure 18, in this case a claw
  • - Figure 19 shows a simplified way a watch with a dressing component according to the invention
  • FIG. 20 shows, in a simplified manner, a jewel of bimetallic material according to the invention.
  • the invention proposes to offer an alternative to the use of clockwork components made entirely of noble metals, especially gold or platinum alloy, and therefore very heavy for the user, and of a high cost price.
  • the trim components must have excellent resistance to wear. corrosion, while having good mechanical qualities.
  • the invention proposes to combine, on the same dressing component, the advantages of high mechanical strength of a first component, hereinafter referred to as "base”, chosen from a material selected both for its mechanical strength and its corrosion resistance, and the appearance and high corrosion resistance advantages of at least one second component, hereinafter referred to as "cover plate”.
  • base a first component
  • cover plate a second component
  • the invention relates to solid components, the thickness E of each component of which is preferably greater than 0.5 millimeters.
  • the invention incorporates a soldering operation. This operation is all the better controllable that the solder components together are thick, and of comparable thickness. Naturally, the invention can also be implemented with lower constituent thicknesses, for example greater than 0.2 millimeters.
  • the invention relates to a method of manufacturing a dressing component 100 clock or jewelry 200.
  • a metal base made of a first material which first material comprises a transition metal or titanium and / or a first alloy of said transition metal or titanium
  • at least one metal cover plate made of a second material is provided, which second material comprises a second metal chosen from gold, platinum, palladium or silver, and / or a second alloy comprising at least gold or platinum or palladium or silver, this at least one cover plate 20 having a thickness E greater than or equal to 0.5 millimeters;
  • this at least one cover plate 20 is pressed against this base 10 so as to form a bi-metallic blank 30;
  • the soldering operation is carried out with a braze 40 chosen for brazing between, on the one hand, the first material, and on the other hand the second material.
  • this solder 40 is composed by choosing a solder or by combining several solders among the following solders:
  • the X component being selected from Zn and Sn;
  • this first alloy and this second hypoallergenic alloy are chosen, and in particular with a zero nickel content.
  • the first material having a transition metal is chosen from among chromium, cobalt or molybdenum.
  • this first material of this base 10 titanium "grade 2" or titanium “grade 5" or titanium “T35".
  • Grade 2 titanium is particularly suitable for quality solder with an 18-carat gold alloy. Titanium and its alloys are a family with mechanical properties similar to those of steels, for a mass much lower than that of steels, at the same time as a very good resistance to corrosion, especially salt spray.
  • an 18-carat gold alloy or a platinum alloy with at least 95% platinum is chosen.
  • this second material When it is a gold alloy, one advantageously chooses for this second material an 18-carat gold alloy of the "5N” or "3N" type.
  • this bi-metal blank 30 is conformed by deformation in stamping and / or stamping.
  • this bi-metallic blank 30 is machined to locally remove this cover plate 20, so as to make locally visible at least one surface 16 of the base 10.
  • this base 10 is advantageously chosen in the form of a profile 1 1.
  • this pre-machined cover plate 20 is chosen with at least one cutout 21 and / or through opening 22.
  • this base 10 and this cover plate 20 are prepared, before brazing one on the other, this base 10 and this cover plate 20 with pins 15, 25, in relief and / or recessed, as visible on FIG. 6, for their geometric matching before this soldering operation and for their relative retention with respect to each other during this soldering operation.
  • this cover plate 20 is pressed on this base 10 at the level of their entire common contact surface.
  • FIGS. 4 and 5 shows, in a simplified manner, the production of a watch bezel, with the preliminary preparation of a bi-metallic blank 30 from a cover plate 20 having a through opening 22 and brazed on a base 10.
  • This blank 30 is then shaped by deformation and / or machining, with formation of the external profile by stamping and / or machining, and post-brazing machining of an opening 12 in the base 10 in the extension of the opening 22, or in the resumption of this opening 22 to the both in the base 10 and in the cover plate 20.
  • this cover plate 20 is pressed against this base 10 at a portion only of the surface 26 of this cover plate 20 facing this base 10, or / and at a portion only the surface 16 of this base 10 facing this cover plate 20.
  • the notion of "bi-metallic" is not restrictive, because the base 10 can be made itself according to the invention, and comprise several layers brazed in pairs: the invention also applies to a covering component 100 of the sandwich type, and comprising two cover plates 20 made of gold or platinum alloy brazed on either side of a base 10 made of titanium or titanium alloy. Such a configuration may be necessary for aspect constraints.
  • the titanium core guarantees rigidity and a perfect positioning compared to other components of the timepiece. As can be seen in FIG.
  • the cover plates 20 may be joined to each other at a junction surface 34, or to a joint plane if they are flat, and be brazed or welded gold-to-gold at the
  • the invention can thus be extended to the production of bulky components made by two by two soldering of opposing surfaces, one of titanium or titanium alloy, and the other of gold or platinum or gold alloy or platinum alloy.
  • the invention also relates to a dressing component 100 of horology, which is made of bi-metallic material comprising a metal base 10 made of a first material, which first material comprises titanium or a transition metal with the exception of nickel , or / and comprises a first titanium alloy or a transition metal, and at least one metal cover plate made of a second material.
  • This second material comprises a second metal selected from gold, platinum, palladium or silver, and / or comprises a second alloy comprising at least gold or platinum or palladium or silver.
  • the base 10 and the cover plate 20 are assembled with each other by a brazed connection, and this at least one cover plate 20 has a thickness E greater than or equal to 0.5 millimeter.
  • this watchmaking component 100 of bimetallic material comprises a metal base 10 made of a first material comprising titanium and / or a first titanium alloy, and at least one metal cover plate made of a second material comprising a second metal chosen from gold and platinum and / or a second alloy comprising at least gold or platinum, and this base 10 and this cover plate 20 are soldered together with the other, and this cover plate 20 has a thickness E greater than or equal to 0.5 millimeters.
  • the invention also relates to a timepiece, in particular a watch 1000, comprising at least one such dressing component 100.
  • the invention also relates to a jewel 200, which is made of bi-metallic material comprising a metal base made of a first material, which first material comprises titanium or a transition metal with the exception of nickel, and / or comprises a first titanium alloy or transition metal, and at least one metal cover plate made of a second material.
  • This second material comprises a second metal selected from gold, platinum, palladium or silver, and / or comprises a second alloy comprising at least gold or platinum or palladium or silver.
  • the base 10 and the cover plate 20 are connected to one another by a brazed connection, and this at least one cover plate 20 has a thickness E greater than or equal to 0.5 millimeters.
  • FIGS. 14 to 18 illustrate a nonlimiting example of making claws 100 for a watch 1000:
  • a base 10 made of titanium is cut from a sheet or board, with cutouts 13 and through openings 12, so as to form a ladder structure with surfaces of lateral support 14 connected by cross members 18;
  • FIG. 17 shows a section 35 obtained by sawing or cutting, along a saw line 32, the blank 30;
  • This section 35 is then shaped by deformation to form the dressing component 100 shown in Figure 18, in this case a claw, watch case.
  • the invention is particularly well suited to the production of trim components, such as glasses, claws, boxes, bracelet links, clasps, this list being in no way limiting. It offers the user high quality components, with a combination of noble metals used in thick and brazed on alloys or lighter metals, ensuring the resistance to deformation and mechanical stress, while providing a more comfortable relief at carry.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)
EP13725319.1A 2012-05-22 2013-05-17 Hartgelötete bimetall-ausstattungselement Active EP2852866B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13725319.1A EP2852866B1 (de) 2012-05-22 2013-05-17 Hartgelötete bimetall-ausstattungselement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20120168905 EP2667265A1 (de) 2012-05-22 2012-05-22 Hartgelötete Bimetall-Ausstattungselement
PCT/EP2013/060262 WO2013174749A2 (fr) 2012-05-22 2013-05-17 Composant d'habillage d'horlogerie bi-métal brasé
EP13725319.1A EP2852866B1 (de) 2012-05-22 2013-05-17 Hartgelötete bimetall-ausstattungselement

Publications (2)

Publication Number Publication Date
EP2852866A2 true EP2852866A2 (de) 2015-04-01
EP2852866B1 EP2852866B1 (de) 2018-07-04

Family

ID=48534348

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20120168905 Withdrawn EP2667265A1 (de) 2012-05-22 2012-05-22 Hartgelötete Bimetall-Ausstattungselement
EP13725319.1A Active EP2852866B1 (de) 2012-05-22 2013-05-17 Hartgelötete bimetall-ausstattungselement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20120168905 Withdrawn EP2667265A1 (de) 2012-05-22 2012-05-22 Hartgelötete Bimetall-Ausstattungselement

Country Status (5)

Country Link
US (1) US9733622B2 (de)
EP (2) EP2667265A1 (de)
JP (1) JP5914754B2 (de)
CN (1) CN104321704B (de)
WO (1) WO2013174749A2 (de)

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EP3220208A1 (de) * 2016-03-14 2017-09-20 Nivarox-FAR S.A. Preisgünstige komponente für uhrenanzeige
US20180118101A1 (en) 2016-10-28 2018-05-03 Ford Global Technologies, Llc Vehicle illuminated trim
CN107717357A (zh) * 2017-11-14 2018-02-23 北京动力机械研究所 一种异型曲面夹层结构金属壳体的制造方法
EP3674816B1 (de) * 2018-12-24 2022-04-27 The Swatch Group Research and Development Ltd Ausstattung einer uhr oder eines schmuckstücks aus einem schweren verbundmaterial
US11543779B1 (en) 2022-06-17 2023-01-03 Meridyth Mischel Webber Timepiece watch face

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Also Published As

Publication number Publication date
EP2852866B1 (de) 2018-07-04
WO2013174749A4 (fr) 2014-06-26
CN104321704A (zh) 2015-01-28
JP5914754B2 (ja) 2016-05-11
WO2013174749A3 (fr) 2014-04-24
CN104321704B (zh) 2017-03-01
US20150124573A1 (en) 2015-05-07
WO2013174749A2 (fr) 2013-11-28
EP2667265A1 (de) 2013-11-27
JP2015525338A (ja) 2015-09-03
HK1206439A1 (en) 2016-01-08
US9733622B2 (en) 2017-08-15

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