EP3339970A1 - Timepiece dial made of a light metal alloy material - Google Patents
Timepiece dial made of a light metal alloy material Download PDFInfo
- Publication number
- EP3339970A1 EP3339970A1 EP16205879.6A EP16205879A EP3339970A1 EP 3339970 A1 EP3339970 A1 EP 3339970A1 EP 16205879 A EP16205879 A EP 16205879A EP 3339970 A1 EP3339970 A1 EP 3339970A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light alloy
- dial
- foot
- zone
- weldable
- 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
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 13
- 229910001092 metal group alloy Inorganic materials 0.000 title 1
- 229910001234 light alloy Inorganic materials 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000000295 complement effect Effects 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005476 soldering Methods 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 238000005219 brazing Methods 0.000 claims abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 238000007743 anodising Methods 0.000 claims description 3
- 230000002427 irreversible effect Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229910020068 MgAl Inorganic materials 0.000 description 2
- 229910010038 TiAl Inorganic materials 0.000 description 2
- 238000002048 anodisation reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910017706 MgZn Inorganic materials 0.000 description 1
- 229910017702 MgZr Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 235000021183 entrée Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 239000010956 nickel silver Substances 0.000 description 1
- YNGRGHODNDCZCC-UHFFFAOYSA-N nitro hydrogen sulfate Chemical compound OS(=O)(=O)O[N+]([O-])=O YNGRGHODNDCZCC-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000002604 ultrasonography 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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/12—Selection of materials for dials or graduations markings
-
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/14—Fastening the dials to the clock or watch plates
-
- 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
- G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
Definitions
- the invention relates to a timepiece dial whose material is a light alloy, comprising a flange whose material is a first light alloy, having on a first side at least one display area visible to a user, and, on a second side opposite the first side, at least one foot for positioning and / or fixing said dial in a clockwork movement.
- the invention also relates to a monobloc dial assembly, whose material is a light alloy, comprising such a dial.
- the invention also relates to a method of manufacturing a monobloc clock watch assembly whose material is a light alloy.
- the invention relates to the field of display components for the watch industry or for scientific instruments or measuring devices.
- Watchmaking or scientific instruments dials include fixing and / or positioning feet on a plate or in a movement.
- these feet are made of copper, coated with a fine deposit of gold to prevent their oxidation and improve their electrical contact.
- the dials are generally cuprous alloy, brass, nickel silver or the like, therefore the feature in the different steps of the process is the same on the dial and the feet it contains.
- the resistance welding process makes it possible to secure these feet and dial, by subjecting them to a pulse of energy along the direction of the foot, this energy melting the metal locally at the interface of the dial and the foot, at one end of the dial.
- foot which is called the pivot which has a defined diameter, often less than the diameter of the foot, over a defined height, and which constitutes a fuse element which ensures the connection with the dial.
- cuprous alloy feet are not suitable for making dials made in some light alloys, including aluminum alloys.
- cuprous alloy feet dissolve during electrochemical conversion processes, such as anodization, anodic oxidation or the like, in baths or electrolytes comprising sulfuric or sulfonitric acid.
- the invention proposes to report light alloy feet, in particular aluminum or titanium, on a flange of light alloy bare dial, in particular aluminum or titanium, to transform this bare dial into a dial set comprising feet rigidly secured with this flange, and having the same chemical behavior as him.
- the invention relates to a timepiece according to claim 1.
- the invention further relates to a one-piece dial assembly according to claim 6.
- the invention also relates to a method of manufacturing a monobloc watch-dial assembly according to claim 10.
- the invention relates to a watch face 1 whose material is a light alloy, comprising a flange 2 whose material is a first light alloy.
- this dial 1 is plane, or substantially plane, or with a radius of curvature greater than 30 mm.
- This flange 2 comprises, on a first side at least one display area 3 visible by a user, and on a second side opposite the first side to the front and called back at least one foot 4 for the positioning and / or fixing of the dial 1 in a watch movement 100.
- This dial 1 is a dial whose components, including the feet 4, are removable.
- the flange 2 comprises at least one receiving zone 5 complementary to an end zone 6 of at least one foot 4, which is a weldable foot 40, which is arranged to be welded or brazed with the flange 2 at the interface between the receiving zone 5 and the end zone 6.
- the constituent material of such a weldable foot 40 is the first light alloy, or a second light alloy which is weldable or brazeable with the first light alloy.
- At least one receiving zone 5 comprises a profile arranged to cooperate in complementary manner in support with a complementary profile that comprises a respective end zone 6 relative to the assembly of the same weldable foot 40.
- At least one receiving zone 5 envelopes a respective end zone 6 relative to the assembly of the same weldable foot 40.
- At least one end zone 6 envelopes a respective receiving zone 5 relative to the assembly of the same weldable foot 40.
- At least one receiving zone 5 is arranged to cooperate in plane support with a respective end zone 6 relative to the assembly of the same weldable foot 40.
- At least one pair formed of an end zone 6 and a complementary receiving zone 5 comprises, in a first assembled state that is not welded or brazed, a tapping cooperating with a thread.
- At least one receiving zone 5 is part of a groove or rib of revolution, in particular made during machining of the flange 2 by turning, and the end zone 6 which it is complementary is a part of a rib or throat of complementary revolution.
- the first light alloy and the second light alloy are selected from alloys of aluminum, titanium, or magnesium.
- alloy is meant here as well the pure metal coated with its oxide layer developed in contact with the atmosphere, such as Al 2 O 3 for aluminum, or TiO 2 for titanium, an alloy in the traditional sense of term with addition elements
- the first light alloy and the second light alloy are two aluminum alloys. These alloys are preferably selected from the most easily weldable aluminum alloys. More particularly and not exclusively, they are chosen from aluminum alloys without structural hardening, families 1000 (without addition element) and more particularly 1050 O in the annealed state, 3000 (with addition of manganese) and more. particularly the 3003 O in the annealed state, 5000 (with addition of magnesium) which is well welded and is well adapted to the anodization, and more particularly the 5086 O in the annealed state or the 5083 H111 hardened and stabilized.
- the first light alloy is an aluminum alloy
- the second light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like.
- the second light alloy is an aluminum alloy
- the first light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like.
- the first light alloy is an aluminum alloy
- the second light alloy is a magnesium alloy which bonds well with aluminum, such as MgAl 6 Zn 3 or G-A6Z3, or MgAl 9 Zn says G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
- MgAl 6 Zn 3 or G-A6Z3 or MgAl 9 Zn says G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
- the invention also relates to a one-piece dial assembly 10, the material of which is a light alloy, comprising a bare dial 1, and which results from the transformation of this dial 1 by at least one welding or brazing operation which solidarizes irreversibly.
- a one-piece dial assembly 10 the material of which is a light alloy, comprising a bare dial 1, and which results from the transformation of this dial 1 by at least one welding or brazing operation which solidarizes irreversibly.
- those of the components which have been welded or brazed together in particular the flange 2 and all or part of the feet 4.
- the welded or brazed connection zone no longer contains trace of the initial geometry of the end zones 6 and the reception zones 5 complementary concerned by the welding or soldering operation.
- the end zone 6 and the reception zone 5 are joined in a way that can not be dismantled at the a welded or brazed connection between the flange 2 and the weldable foot 40 concerned.
- the end zone 6 and the reception zone 5 are joined releasably at a welded connection. or brazed between the flange 2 and the weldable foot 40 concerned.
- the one-piece dial assembly 10 comprises an anodized surface layer, or a chromic or sulfuric anodic oxidation surface layer, the corresponding surface treatment being carried out after the one or more welding or soldering operations.
- the invention also relates to a watch 1000 comprising such a dial assembly 10.
- the invention also relates to a scientific instrument comprising such a dial assembly 10.
- the invention also relates to a measuring apparatus comprising such a dial assembly 10.
- dial plane 1 or substantially plane, or with a radius of curvature greater than 30 mm, is produced.
- the dial 1 is made before welding or brazing with at least one receiving zone 5 which, in the first assembled state, not welded or brazed, wraps a respective end zone 6 relative to the assembly of the same weldable foot 40 .
- the dial 1 is made before welding or soldering with at least one end zone 6 which, in the first assembled state, not welded or brazed, envelopes a respective receiving zone 5 relative to the assembly of the same weldable foot 40 .
- the dial 1 is produced before welding or brazing with at least one pair, formed of an end zone 6 and a complementary receiving zone 5, which comprises, in the first assembled state, not welded or brazed, a tapping cooperating with a thread.
- an operation of anodizing, or chromic or sulfuric, anodic oxidation of the surface layer of the dial assembly 10 is carried out.
- the first light alloy and the second light alloy are selected from alloys of aluminum, titanium or magnesium.
- the first light alloy and the second light alloy are chosen which are two aluminum alloys.
- the first light alloy and the second light alloy are chosen which are two titanium alloys.
- the first light alloy and the second light alloy are chosen which are two magnesium alloys.
- the first light alloy is chosen which is an aluminum alloy
- the second light alloy is a titanium alloy, or vice versa.
- first light alloy and a second light alloy which are two aluminum alloys is advantageous for the application of an anodizing process.
- Soldering or brazing the feet at the beginning of the cycle avoids the risk of rejection at the end of production when the product has reached its maximum value.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
- Arc Welding In General (AREA)
- Adornments (AREA)
Abstract
Procédé de fabrication d'un ensemble cadran (10) monobloc d'horlogerie en alliage léger, consistant à : - réaliser, dans un premier état assemblé, un cadran (1) comportant un flasque (2) dont le matériau est un premier alliage léger, comportant à l'opposé au premier côté d'une zone d'affichage (3) visible par un utilisateur, au moins un pied (4) de fixation du cadran (1), ce flasque (2) comportant au moins une zone de réception (5) complémentaire à une zone d'extrémité (6) d'au moins un pied (4) lequel est un pied soudable (40) soudable ou brasable avec ce flasque (2) au niveau de l'interface entre la zone de réception (5) et la zone d'extrémité (6), et dont le matériau est ce premier alliage léger ou bien un deuxième alliage léger soudable ou brasable avec ce premier alliage léger ; - assembler de façon irréversible par soudage ou brasage au moins un pied soudable (40) au flasque (2).A method of manufacturing a monobloc timepiece dial assembly (10) made of light alloy, consisting of: in a first assembled state, producing a dial (1) comprising a flange (2) whose material is a first light alloy, comprising, opposite to the first side of a display zone (3) visible by a user, at least one foot (4) for fixing the dial (1), this flange (2) comprising at least one receiving zone (5) complementary to an end zone (6) of at least one foot (4). ) which is a weldable foot (40) weldable or brazeable with this flange (2) at the interface between the receiving zone (5) and the end zone (6), and whose material is this first alloy lightweight or a second light alloy weldable or solderable with this first light alloy; irreversibly assembling by soldering or brazing at least one weldable foot (40) to the flange (2).
Description
L'invention concerne un cadran d'horlogerie dont le matériau est un alliage léger, comportant un flasque dont le matériau est un premier alliage léger, comportant sur un premier côté au moins une zone d'affichage visible par un utilisateur, et, sur un deuxième côté opposé au premier côté, au moins un pied pour le positionnement et/ou la fixation dudit cadran dans un mouvement d'horlogerie.The invention relates to a timepiece dial whose material is a light alloy, comprising a flange whose material is a first light alloy, having on a first side at least one display area visible to a user, and, on a second side opposite the first side, at least one foot for positioning and / or fixing said dial in a clockwork movement.
L'invention concerne encore un ensemble cadran monobloc, dont le matériau est un alliage léger, comportant un tel cadran.The invention also relates to a monobloc dial assembly, whose material is a light alloy, comprising such a dial.
L'invention concerne encore un procédé de fabrication d'un ensemble cadran monobloc d'horlogerie dont le matériau est un alliage léger.The invention also relates to a method of manufacturing a monobloc clock watch assembly whose material is a light alloy.
L'invention concerne le domaine des composants d'affichage pour l'horlogerie ou pour des instruments scientifiques ou appareils de mesure.The invention relates to the field of display components for the watch industry or for scientific instruments or measuring devices.
Les cadrans d'horlogerie ou d'instruments scientifiques comportent des pieds de fixation et/ou de positionnement sur une platine ou dans un mouvement.Watchmaking or scientific instruments dials include fixing and / or positioning feet on a plate or in a movement.
Souvent ces pieds sont utiles pour le procédé de fabrication di cadran, pour l'accroche des supports ou encore pour la réalisation de dépôts dans des bains galvaniques, assurant la double fonction d'élément de maintien et de guide de courant.Often these feet are useful for the dial manufacturing process, for hanging media or for making deposits in galvanic baths, ensuring the dual function of holding element and current guide.
En général ces pieds sont en cuivre, revêtus d'un fin dépôt d'or pour éviter leur oxydation et améliorer leur contact électrique. Les cadrans sont généralement en alliage cuivreux, laiton, maillechort ou similaire, de ce fait le comportent lors des différentes étapes du procédé est le même sur le cadran et les pieds qu'il comporte.In general these feet are made of copper, coated with a fine deposit of gold to prevent their oxidation and improve their electrical contact. The dials are generally cuprous alloy, brass, nickel silver or the like, therefore the feature in the different steps of the process is the same on the dial and the feet it contains.
Le procédé de soudage par résistance permet de solidariser ces pieds et cadran, en les soumettant à une impulsion d'énergie selon la direction du pied, cette énergie faisant fondre localement le métal à l'interface du cadran et du pied, à une extrémité du pied qu'on appelle le pivot, qui est d'un diamètre défini, souvent inférieur au diamètre du pied, sur une hauteur définie, et qui constitue un élément fusible qui assure la liaison avec le cadran.The resistance welding process makes it possible to secure these feet and dial, by subjecting them to a pulse of energy along the direction of the foot, this energy melting the metal locally at the interface of the dial and the foot, at one end of the dial. foot which is called the pivot, which has a defined diameter, often less than the diameter of the foot, over a defined height, and which constitutes a fuse element which ensures the connection with the dial.
Mais de tels pieds en alliage cuivreux ne sont pas adaptés à la confection de cadrans réalisés dans certains alliages légers, notamment des alliages d'aluminium. En effet des pieds en alliage cuivreux se dissolvent lors des procédés de conversion électrochimique, tels qu'anodisation, oxydation anodique ou similaire, dans des bains ou des électrolytes comportant de l'acide sulfurique ou sulfonitrique.But such cuprous alloy feet are not suitable for making dials made in some light alloys, including aluminum alloys. In fact, cuprous alloy feet dissolve during electrochemical conversion processes, such as anodization, anodic oxidation or the like, in baths or electrolytes comprising sulfuric or sulfonitric acid.
La réalisation de pieds dans un matériau présentant le même comportement que le matériau du cadran est donc souhaitable. Une élaboration monobloc des pieds avec le flasque du cadran est coûteuse dans un usinage par fraisage, ou difficilement réalisable par emboutissage.The realization of feet in a material having the same behavior as the material of the dial is therefore desirable. One-piece development of the feet with the flange of the dial is expensive in milling by machining, or difficult to achieve by stamping.
Pour cette raison il n'est pas rare de voir des cadrans en alliage léger comportant un flasque subissant tous les traitements galvaniques, sur lequel sont ensuite rapportés des pieds en alliage cuivreux. Ou encore des cadrans dépourvus de pieds, fixés par des ailettes sur le mouvement.For this reason it is not uncommon to see light alloy dials having a flange undergoing all the galvanic treatments, on which are then reported cuprous alloy feet. Or dials devoid of feet, fixed by fins on the movement.
L'invention se propose de rapporter des pieds en alliage léger, notamment d'aluminium ou de titane, sur un flasque de cadran nu en alliage léger, notamment d'aluminium ou de titane, pour transformer ce cadran nu en un ensemble cadran comportant des pieds rigidement solidarisés avec ce flasque, et présentant le même comportement chimique que lui.The invention proposes to report light alloy feet, in particular aluminum or titanium, on a flange of light alloy bare dial, in particular aluminum or titanium, to transform this bare dial into a dial set comprising feet rigidly secured with this flange, and having the same chemical behavior as him.
A cet effet, l'invention concerne un cadran d'horlogerie selon la revendication 1.For this purpose, the invention relates to a timepiece according to
L'invention concerne encore un ensemble cadran monobloc, selon la revendication 6.The invention further relates to a one-piece dial assembly according to claim 6.
L'invention concerne encore un procédé de fabrication d'un ensemble cadran monobloc d'horlogerie selon la revendication 10.The invention also relates to a method of manufacturing a monobloc watch-dial assembly according to
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :
- la
figure 1 représente, de façon schématisée, et en coupe, un cadran nu assemblé mais non soudé ni brasé, comportant un flasque avec, à l'opposé d'une surface supérieure d'affichage, une surface inférieure sur laquelle sont présentés des pieds destinés à être soudés ou brasés sur ce flasque; - la
figure 2 représente, de façon schématisée, et en coupe, un détail d'un tel cadran nu où la jonction entre le pied et le flasque est une surface plane ; - la
figure 3 représente, de façon schématisée, et en coupe, un détail d'un tel cadran nu où la jonction entre le pied et le flasque est un emboîtement cylindrique, le pied pénétrant dans un alésage du flasque; - la
figure 4 représente, de façon schématisée, et en coupe, un détail d'un tel cadran nu où la jonction entre le pied et le flasque est un point de touche entre un léger relief que comporte le flasque et un logement que comporte le pied ; - la
figure 5 représente, de façon schématisée, et en coupe, un détail d'un tel cadran nu où la jonction entre le pied et le flasque est une liaison vissée entre une entrée de taraudage que comporte le flasque, et un filetage que comporte le pied; - la
figure 6 représente, de façon schématisée, et en coupe, un tel cadran nu où la jonction entre le pied et le flasque est au niveau d'une rainure de révolution que comporte le flasque, qui porte une encoche en U que comporte le pied ; - la
figure 7 représente, de façon schématisée, et en coupe, un détail d'un tel cadran nu où la jonction entre le pied et le flasque est au niveau d'une gorge de révolution que comporte le flasque, qui reçoit un tenon droit à faces parallèles que comporte le pied ; - la
figure 8 représente, de façon schématisée, un ensemble cadran assemblé de façon irréversible par soudage ou brasage; - la
figure 9 représente, de façon schématisée, une montre comportant un tel ensemble cadran ; - la
figure 10 représente, de façon schématisée, un instrument de mesure ou appareil scientifique comportant un tel ensemble cadran.
- the
figure 1 schematically represents, in section, a bare dial assembled but not welded or brazed, having a flange with, opposite an upper display surface, a lower surface on which are presented feet intended to be welded or brazed on this flange; - the
figure 2 represents, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a flat surface; - the
figure 3 represents, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a cylindrical interlock, the foot penetrating into a bore of the flange; - the
figure 4 represents, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a touch point between a slight relief that includes the flange and a housing that includes the foot; - the
figure 5 represents, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a connection screwed between a tapping entry that includes the flange, and a thread that includes the foot; - the
figure 6 represents, schematically, and in section, such a bare dial where the junction between the foot and the flange is at a groove of revolution that includes the flange, which carries a U-shaped notch that includes the foot; - the
figure 7 represents, in a schematic manner, and in section, a detail of such a bare dial where the junction between the foot and the flange is at a groove of revolution that includes the flange, which receives a right tenon with parallel faces that includes the foot; - the
figure 8 represents, schematically, a dial assembly irreversibly assembled by welding or soldering; - the
figure 9 represents, schematically, a watch comprising such a dial set; - the
figure 10 represents, schematically, a measuring instrument or scientific apparatus comprising such a dial assembly.
L'invention concerne un cadran d'horlogerie 1 dont le matériau est un alliage léger, comportant un flasque 2 dont le matériau est un premier alliage léger.The invention relates to a
Plus particulièrement, ce cadran 1 est plan, ou sensiblement plan, ou à rayon de courbure supérieur à 30 mm.More particularly, this
Ce flasque 2 comporte, sur un premier côté au moins une zone d'affichage 3 visible par un utilisateur, et sur un deuxième côté opposé au premier côté au recto et appelé verso au moins un pied 4 pour le positionnement et/ou la fixation du cadran 1 dans un mouvement d'horlogerie 100.This
Ce cadran 1 est un cadran dont les composants, notamment les pieds 4, sont démontables.This
Selon l'invention, le flasque 2 comporte au moins une zone de réception 5 complémentaire à une zone d'extrémité 6 d'au moins un pied 4, lequel est un pied soudable 40, qui est agencé pour être soudé ou brasé avec le flasque 2 au niveau de l'interface entre la zone de réception 5 et la zone d'extrémité 6. Le matériau constitutif d'un tel pied soudable 40 est le premier alliage léger, ou bien un deuxième alliage léger qui est soudable ou brasable avec le premier alliage léger.According to the invention, the
Dans une variante avantageuse, facilitant la préparation et le maintien lors d'opérations ultérieures, au moins une zone de réception 5 comporte un profil agencé pour coopérer de façon complémentaire en appui avec un profil complémentaire que comporte une zone d'extrémité 6 respective relative à l'assemblage du même pied soudable 40.In an advantageous variant, facilitating the preparation and maintenance during subsequent operations, at least one
Dans une variante, au moins une zone de réception 5 enveloppe une zone d'extrémité 6 respective relative à l'assemblage du même pied soudable 40.In a variant, at least one receiving
Dans une autre variante, au moins une zone d'extrémité 6 enveloppe une zone de réception 5 respective relative à l'assemblage du même pied soudable 40.In another variant, at least one end zone 6 envelopes a
Dans une autre variante, au moins une zone de réception 5 est agencée pour coopérer en appui plan avec une zone d'extrémité 6 respective relative à l'assemblage du même pied soudable 40.In another variant, at least one receiving
Dans une autre variante encore, au moins une paire formée d'une zone d'extrémité 6 et d'une zone de réception 5 complémentaire comporte, dans un premier état assemblé non soudé ni brasé, un taraudage coopérant avec un filetage.In yet another variant, at least one pair formed of an end zone 6 and a
Dans une autre variante encore, au moins une zone de réception 5 est une partie d'une gorge ou d'une nervure de révolution, en particulier réalisées lors d'un usinage du flasque 2 par tournage, et la zone d'extrémité 6 qui lui est complémentaire est une partie d'une nervure ou de gorge de révolution complémentaire.In yet another variant, at least one receiving
Plus particulièrement, le premier alliage léger et le deuxième alliage léger sont choisis parmi des alliages d'aluminium, de titane, ou de magnésium.More particularly, the first light alloy and the second light alloy are selected from alloys of aluminum, titanium, or magnesium.
Par alliage on entend ici aussi bien le métal pur revêtu de sa couche d'oxyde développée au contact de l'atmosphère, comme Al2O3 pour l'aluminium, ou TiO2 pour le titane, qu'un alliage au sens traditionnel du terme comportant des éléments d'additionBy alloy is meant here as well the pure metal coated with its oxide layer developed in contact with the atmosphere, such as Al 2 O 3 for aluminum, or TiO 2 for titanium, an alloy in the traditional sense of term with addition elements
Dans une variante, le premier alliage léger et le deuxième alliage léger sont deux alliages d'aluminium. Ces alliages sont de préférence choisis parmi les alliages d'aluminium les plus facilement soudables. Plus particulièrement et non limitativement, ils sont choisis parmi les alliages d'aluminium sans durcissement structural, des familles 1000 (sans élément d'addition) et plus particulièrement le 1050 O à l'état recuit, 3000 (avec addition de manganèse) et plus particulièrement le 3003 O à l'état recuit, 5000 (avec addition de magnésium) qui se soude bien et est bien adaptée à l'anodisation, et plus particulièrement le 5086 O à l'état recuit ou encore le 5083 H111 écroui et stabilisé.In a variant, the first light alloy and the second light alloy are two aluminum alloys. These alloys are preferably selected from the most easily weldable aluminum alloys. More particularly and not exclusively, they are chosen from aluminum alloys without structural hardening, families 1000 (without addition element) and more particularly 1050 O in the annealed state, 3000 (with addition of manganese) and more. particularly the 3003 O in the annealed state, 5000 (with addition of magnesium) which is well welded and is well adapted to the anodization, and more particularly the 5086 O in the annealed state or the 5083 H111 hardened and stabilized.
Dans une autre variante, le premier alliage léger est un alliage d'aluminium, et le deuxième alliage léger est un alliage de titane, tel que TiO2, TiAl6 V4 dit TA6V, ou similaire. Ou bien le deuxième alliage léger est un alliage d'aluminium, et le premier alliage léger est un alliage de titane, tel que TiO2, TiAl6 V4 dit TA6V, ou similaire.In another variant, the first light alloy is an aluminum alloy, and the second light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like. Either the second light alloy is an aluminum alloy, and the first light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like.
Dans une autre variante encore, le premier alliage léger est un alliage d'aluminium, et le deuxième alliage léger est un alliage de magnésium qui se soude bien avec l'aluminium, tel que MgAl6Zn3 dit G-A6Z3, ou MgAl9Zn dit G-A9Z, ou MgZn5Th2Zr, ou MgZr. La configuration inverse est naturellement possible.In yet another variant, the first light alloy is an aluminum alloy, and the second light alloy is a magnesium alloy which bonds well with aluminum, such as MgAl 6 Zn 3 or G-A6Z3, or MgAl 9 Zn says G-A9Z, or MgZn 5 Th 2 Zr, or MgZr. The reverse configuration is naturally possible.
L'invention concerne encore un ensemble cadran 10 monobloc, dont le matériau est un alliage léger, comportant un cadran nu 1, et qui résulte de la transformation de ce cadran 1 par au moins une opération de soudage ou de brasage qui solidarise de façon irréversible ceux des composants qui ont été soudés ou brasés ensemble, en particulier le flasque 2 et tout ou partie des pieds 4. La zone de liaison soudée ou brasée ne comporte plus trace de la géométrie initiale des zones d'extrémité 6 et des zones de réception 5 complémentaire concernées par l'opération de soudage ou de brasage.The invention also relates to a one-
Ainsi, selon l'invention, dans au moins une paire formée d'une zone d'extrémité 6 et d'une zone de réception 5 complémentaire, la zone d'extrémité 6 et la zone de réception 5 sont jointes de façon indémontable au niveau d'une liaison soudée ou brasée entre le flasque 2 et le pied soudable 40 concerné.Thus, according to the invention, in at least one pair formed of an end zone 6 and a
Il existe, à cet effet, des technologies compatibles avec le micro-soudage d'aluminium ou/et de titane, de façon très ponctuelle afin d'éviter toute déformation de la zone d'affichage 3 visible, en technologie laser ou plasma, avec des diamètres de zones chauffées très faibles, de l'ordre de 100 microns, et un échauffement réduit. Ces technologies permettent de souder ou braser un tel pied soudable 40 en alliage léger, notamment d'aluminium ou de titane soudé, en soudure bout à bout ou par point, et notamment par laser, ou plasma, ou ultrason.There are, for this purpose, technologies compatible with the micro-welding of aluminum and / or titanium, very punctually to avoid any distortion of the
Plus particulièrement 6, dans chaque paire formée d'une zone d'extrémité 6 et d'une zone de réception 5 complémentaire, la zone d'extrémité 6 et la zone de réception 5 sont jointes de façon indémontable au niveau d'une liaison soudée ou brasée entre le flasque 2 et le pied soudable 40 concerné.More particularly 6, in each pair formed of an end zone 6 and a
Dans une variante avantageuse, l'ensemble cadran 10 monobloc comporte une couche superficielle anodisée, ou une couche superficielle d'oxydation anodique chromique ou sulfurique, le traitement de surface correspondant étant réalisé après la ou les opérations de soudage ou de brasage.In an advantageous variant, the one-
L'invention concerne encore une montre 1000 comportant un tel ensemble cadran 10.The invention also relates to a watch 1000 comprising such a
L'invention concerne encore un instrument scientifique comportant un tel ensemble cadran 10.The invention also relates to a scientific instrument comprising such a
L'invention concerne encore un appareil de mesure comportant un tel ensemble cadran 10.The invention also relates to a measuring apparatus comprising such a
L'invention concerne encore un procédé de fabrication d'un ensemble cadran 10 monobloc d'horlogerie dont le matériau est un alliage léger. Selon l'invention, on réalise dans cet ordre les étapes suivantes :
- réaliser, dans un premier état assemblé non soudé ni brasé,
un cadran 1 d'horlogerie dont le matériau est un alliage léger,comportant un flasque 2 dont le matériau est un premier alliage léger, comportant sur un premier côté au moins unezone d'affichage 3 visible par un utilisateur, et sur un deuxième côté opposé au premier côté au recto et appelé verso au moins un pied 4 pour le positionnement et/ou la fixation du cadran 1 dans un mouvement d'horlogerie 100.Ce flasque 2 comporte au moins une zone de réception 5 complémentaire à une zone d'extrémité 6 d'au moins un pied 4, lequel est unpied soudable 40 agencé pour être soudé ou brasé avec le flasque 2 au niveau de l'interface entre la zone de réception 5 et la zone d'extrémité 6. Et le matériau constitutif d'un tel pied soudable 40 est le premier alliage léger, ou bien un deuxième alliage léger soudable ou brasable avec le premier alliage léger ; - assembler de façon irréversible par soudage ou brasage au moins un
pied soudable 40au flasque 2 pour constituer cet ensemble cadran 10 monobloc.
- in a first non-welded or brazed assembled state, producing a
watch dial 1 whose material is a light alloy, comprising aflange 2 whose material is a first light alloy, comprising on a first side at least one zone ofdisplay 3 visible by a user, and on a second side opposite the first side to the front and called back at least onefoot 4 for the positioning and / or fixing of thedial 1 in a watch movement 100. Thisflange 2 comprises at at least one receivingzone 5 complementary to an end zone 6 of at least onefoot 4, which is aweldable foot 40 arranged to be welded or brazed to theflange 2 at the interface between the receivingzone 5 and the end zone 6. And the constituent material of such aweldable foot 40 is the first light alloy, or a second light alloy weldable or solderable with the first light alloy; - to irreversibly assemble by soldering or soldering at least one
weldable foot 40 to theflange 2 to form this monobloc dial assembly.
Plus particulièrement, on réalise le cadran 1 plan, ou sensiblement plan, ou à rayon de courbure supérieur à 30 mm,More particularly, the
Plus particulièrement, on assemble de façon irréversible par soudage ou brasage chaque pied soudable 40 au flasque 2.More particularly, irreversible solder or brazing each
Plus particulièrement, on réalise le cadran 1 avant soudage ou brasage avec au moins une zone de réception 5 qui enveloppe, dans le premier état assemblé non soudé ni brasé, une zone d'extrémité 6 respective relative à l'assemblage du même pied soudable 40.More particularly, the
Plus particulièrement, on réalise le cadran 1 avant soudage ou brasage avec au moins une zone d'extrémité 6 qui enveloppe, dans le premier état assemblé non soudé ni brasé, une zone de réception 5 respective relative à l'assemblage du même pied soudable 40.More particularly, the
Plus particulièrement, on réalise le cadran 1 avant soudage ou brasage avec au moins une paire, formée d'une zone d'extrémité 6 et d'une zone de réception 5 complémentaire, qui comporte, dans le premier état assemblé non soudé ni brasé, un taraudage coopérant avec un filetage.More particularly, the
Plus particulièrement, on effectue, après l'assemblage irréversible par soudage ou brasage, une opération d'anodisation, ou d'oxydation anodique chromique ou sulfurique, de la couche superficielle de l'ensemble cadran 10.More particularly, after the irreversible assembly by soldering or brazing, an operation of anodizing, or chromic or sulfuric, anodic oxidation of the surface layer of the
Dans une variante, on choisit le premier alliage léger et le deuxième alliage léger parmi des alliages d'aluminium, de titane, ou de magnésium.In a variant, the first light alloy and the second light alloy are selected from alloys of aluminum, titanium or magnesium.
Dans une variante, on choisit le premier alliage léger et le deuxième alliage léger qui sont deux alliages d'aluminium.In a variant, the first light alloy and the second light alloy are chosen which are two aluminum alloys.
Dans une variante, on choisit le premier alliage léger et le deuxième alliage léger qui sont deux alliages de titane.In a variant, the first light alloy and the second light alloy are chosen which are two titanium alloys.
Dans une variante, on choisit le premier alliage léger et le deuxième alliage léger qui sont deux alliages de magnésium.In a variant, the first light alloy and the second light alloy are chosen which are two magnesium alloys.
Dans une variante, on choisit le premier alliage léger qui est un alliage d'aluminium, et le deuxième alliage léger qui est un alliage de titane, ou inversement.In a variant, the first light alloy is chosen which is an aluminum alloy, and the second light alloy is a titanium alloy, or vice versa.
Le choix particulier d'un premier alliage léger et d'un deuxième alliage léger qui sont deux alliages d'aluminium est avantageux pour l'application d'un procédé d'anodisation.The particular choice of a first light alloy and a second light alloy which are two aluminum alloys is advantageous for the application of an anodizing process.
L'alternative de pieds en titane ou alliage de titane donne les mêmes capacités, avec l'avantage d'une grande stabilité dimensionnelle quel que soit le nombre des traitements appliqués. Cette alternative est favorable à l'application de différents traitements de conversion chimique sur un même cadran.The alternative of titanium or titanium alloy feet gives the same capabilities, with the advantage of great dimensional stability regardless of the number of treatments applied. This alternative is favorable to the application of different chemical conversion treatments on the same dial.
Le fait de souder ou braser les pieds en début de cycle évite le risque d'un rebut en fin de production quand le produit a atteint sa valeur maximale.Soldering or brazing the feet at the beginning of the cycle avoids the risk of rejection at the end of production when the product has reached its maximum value.
Claims (20)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16205879.6A EP3339970B1 (en) | 2016-12-21 | 2016-12-21 | Timepiece dial made of a light metal alloy material |
CN201780079310.9A CN110178093B (en) | 2016-12-21 | 2017-12-13 | Clock dial made of light alloy |
PCT/EP2017/082534 WO2018114500A1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial the material of which is a light alloy |
EP17811613.3A EP3559758B1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial made of a light metal alloy material |
JP2019551746A JP6827126B2 (en) | 2016-12-21 | 2017-12-13 | Timekeeper dial made of light alloy |
US16/465,305 US20190391533A1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial whose material is a light alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16205879.6A EP3339970B1 (en) | 2016-12-21 | 2016-12-21 | Timepiece dial made of a light metal alloy material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3339970A1 true EP3339970A1 (en) | 2018-06-27 |
EP3339970B1 EP3339970B1 (en) | 2022-03-23 |
Family
ID=57629360
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16205879.6A Active EP3339970B1 (en) | 2016-12-21 | 2016-12-21 | Timepiece dial made of a light metal alloy material |
EP17811613.3A Active EP3559758B1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial made of a light metal alloy material |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP17811613.3A Active EP3559758B1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial made of a light metal alloy material |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190391533A1 (en) |
EP (2) | EP3339970B1 (en) |
JP (1) | JP6827126B2 (en) |
CN (1) | CN110178093B (en) |
WO (1) | WO2018114500A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3828643A1 (en) | 2019-11-26 | 2021-06-02 | Rolex Sa | Dial for a timepiece |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210026306A1 (en) * | 2019-07-25 | 2021-01-28 | Casio Computer Co., Ltd. | Dial, module, electronic device and timepiece |
EP3835880B1 (en) * | 2019-12-10 | 2022-08-10 | Comadur S.A. | Horological dial with feet |
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CH332878A (en) * | 1956-03-29 | 1958-09-30 | Rihs Fritz | Process for the production of a dial for watches and the like |
US3803832A (en) * | 1972-02-01 | 1974-04-16 | N Shimizu | Dial for wrist watch and a method of making the same |
JPS5070216A (en) * | 1973-10-26 | 1975-06-11 | ||
CH604227B5 (en) * | 1975-11-24 | 1978-08-31 | Charles Ruetschi | |
US5966344A (en) * | 1994-03-31 | 1999-10-12 | Citizen Watch Co., Ltd. | Watch containing light transmitting metallic dial |
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CH343312A (en) * | 1958-12-16 | 1959-12-15 | Beyeler & Cie | Process for manufacturing a watch face and dial obtained by this process |
JPS4998274A (en) * | 1973-01-23 | 1974-09-17 | ||
CH1677973A4 (en) * | 1973-11-29 | 1976-12-15 | Montavon Denis | Process for manufacturing a watch face, dial resulting from this process |
JPS5162065A (en) * | 1974-11-27 | 1976-05-29 | Suwa Seikosha Kk | TOKEIYO MOJIBAN |
JPS5234265U (en) * | 1975-09-01 | 1977-03-10 | ||
JPS52139466A (en) * | 1976-05-18 | 1977-11-21 | Citizen Watch Co Ltd | Timepiece dial |
JPS5417763U (en) * | 1978-07-11 | 1979-02-05 | ||
JPS569074U (en) * | 1979-06-29 | 1981-01-26 | ||
JPS63249082A (en) * | 1987-04-06 | 1988-10-17 | Seiko Instr & Electronics Ltd | Dial fixing structure |
JP5187712B2 (en) * | 2006-03-09 | 2013-04-24 | 大陽日酸株式会社 | Joining method |
JP2010223786A (en) * | 2009-03-24 | 2010-10-07 | Citizen Holdings Co Ltd | Metal case member |
EP2400354A1 (en) * | 2010-06-22 | 2011-12-28 | The Swatch Group Research and Development Ltd. | Dial feet for a timepiece |
JP5623808B2 (en) * | 2010-07-12 | 2014-11-12 | シチズンホールディングス株式会社 | Clock dial |
KR20160023003A (en) * | 2014-08-20 | 2016-03-03 | 현대모비스 주식회사 | method of fabricating aluminum alloy |
-
2016
- 2016-12-21 EP EP16205879.6A patent/EP3339970B1/en active Active
-
2017
- 2017-12-13 WO PCT/EP2017/082534 patent/WO2018114500A1/en unknown
- 2017-12-13 CN CN201780079310.9A patent/CN110178093B/en active Active
- 2017-12-13 JP JP2019551746A patent/JP6827126B2/en active Active
- 2017-12-13 US US16/465,305 patent/US20190391533A1/en not_active Abandoned
- 2017-12-13 EP EP17811613.3A patent/EP3559758B1/en active Active
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CH332878A (en) * | 1956-03-29 | 1958-09-30 | Rihs Fritz | Process for the production of a dial for watches and the like |
US3803832A (en) * | 1972-02-01 | 1974-04-16 | N Shimizu | Dial for wrist watch and a method of making the same |
JPS5070216A (en) * | 1973-10-26 | 1975-06-11 | ||
CH604227B5 (en) * | 1975-11-24 | 1978-08-31 | Charles Ruetschi | |
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EP3828643A1 (en) | 2019-11-26 | 2021-06-02 | Rolex Sa | Dial for a timepiece |
WO2021104698A1 (en) | 2019-11-26 | 2021-06-03 | Rolex Sa | Connecting ring for a timepiece dial, timepiece dial plate and timepiece dial assembly method |
Also Published As
Publication number | Publication date |
---|---|
US20190391533A1 (en) | 2019-12-26 |
EP3339970B1 (en) | 2022-03-23 |
WO2018114500A1 (en) | 2018-06-28 |
JP6827126B2 (en) | 2021-02-10 |
JP2020501169A (en) | 2020-01-16 |
CN110178093A (en) | 2019-08-27 |
EP3559758B1 (en) | 2023-08-09 |
EP3559758A1 (en) | 2019-10-30 |
CN110178093B (en) | 2021-03-09 |
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