EP3559758A1 - Timepiece dial the material of which is a light alloy - Google Patents
Timepiece dial the material of which is a light alloyInfo
- Publication number
- EP3559758A1 EP3559758A1 EP17811613.3A EP17811613A EP3559758A1 EP 3559758 A1 EP3559758 A1 EP 3559758A1 EP 17811613 A EP17811613 A EP 17811613A EP 3559758 A1 EP3559758 A1 EP 3559758A1
- 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
- 229910001234 light alloy Inorganic materials 0.000 title claims abstract description 80
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000005219 brazing Methods 0.000 claims abstract description 13
- 230000000295 complement effect Effects 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000005476 soldering Methods 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
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 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
- 238000007743 anodising Methods 0.000 claims description 4
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 230000002427 irreversible effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229910010038 TiAl Inorganic materials 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
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910017706 MgZn Inorganic materials 0.000 description 1
- 229910017702 MgZr Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 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
- 238000005259 measurement Methods 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
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. Indeed cuprous alloy feet dissolve during conversion processes electrochemical, such as anodizing, anodic oxidation or the like, in baths or electrolytes comprising sulfuric or sulfonitric acid.
- US3803 832 A in the name of SHIMIZU discloses a watch face comprising a body formed of a flat plate of aluminum and rivets forming rod members of aluminum material, and forming fasteners on a movement.
- the head of each rod is shaped to fit into a recess formed on the back surface of the body, and is integrally attached to the recess by means of ultrasonic welding.
- a method of manufacturing employs an ultrasonic welding machine to join the head and the recess in one piece.
- the document CH 332 878 A in the name of RIHS describes a method of manufacturing a dial from a sheet by stamping, in particular for the formation of relief figures, and by cutting, after which the relief figures are corrected, the plate is chemically polished before it is subjected to anodic oxidation with at least one coloring product.
- 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 watch face according to the claim
- 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.
- FIG. 1 schematically represents, in section, a bare dial assembled but not welded or brazed, comprising 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;
- FIG. 2 shows, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a flat surface;
- FIG. 3 shows, schematically, and in section, a detail of such a bare dial where the junction between the foot and the flange is a cylindrical interlocking, the foot penetrating into a bore of the flange;
- FIG. 4 schematically represents, 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 the flange comprises and a housing that includes the foot;
- FIG. 5 schematically represents, 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 which the flange comprises, and a threading which comprises foot;
- FIG. 6 schematically represents, in section, such a bare dial where the junction between the foot and the flange is at the level of a groove of revolution that the flange bears, which carries a U-shaped notch which is provided by the foot;
- FIG. 7 schematically shows, in section, a detail of such a bare dial where the junction between the foot and the flange is at the level of a groove of revolution that the flange comprises, which receives a right tenon. with parallel faces that includes the foot;
- FIG. 8 shows, schematically, a dial assembly irreversibly assembled by welding or brazing
- FIG. 9 schematically represents a watch comprising such a dial set
- FIG. 10 represents, schematically, a measurement instrument or scientific apparatus comprising such a dial set.
- 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
- 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 such receiving zone 5 envelopes a respective end zone 6 relative to the assembly of the same weldable foot 40, or at least one end zone 6 envelops a respective receiving zone 5 relative to the assembly of the the same weldable foot 40, or at least one pair formed of an end zone 6 and a complementary receiving zone 5 comprises, in a first assembled state not welded or brazed, a tapping cooperating with a thread.
- 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.
- the first light alloy and / or the second light alloy is replaced by the assembly formed of a pure metal coated with its oxide layer developed in contact with the atmosphere, such as Al 2 O 3 for the aluminum, or Ti0 2 for titanium.
- 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 annealed 3003 O, 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 H1 1 1 hardened and stabilized.
- the first light alloy is an aluminum alloy
- the second light alloy is a titanium alloy, such as Ti0 2 , TiAl 6 V 4 or TA6V, or similar.
- 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 said G-A6Z3, or MgAIgZn said G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
- MgAl 6 Zn 3 said G-A6Z3, or MgAIgZn said G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
- the invention also relates to a one-piece dial assembly 10, whose material 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 irreversibly secures those components which have been welded or brazed together, in particular the flange 2 and all or part of the feet 4.
- the welded connection zone or brazed no longer contains trace of the initial geometry of the end zones 6 and additional receiving areas 5 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.
- the invention further relates to a method of manufacturing a watch monoblock dial unit whose material is a light alloy.
- the following steps are carried out in this order: in a first non-welded or brazed assembled state, producing a watch dial 1 whose material is a light alloy, comprising a flange 2 whose material is a first light alloy, comprising on a first side at least one zone of 3 display 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 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 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 weldable or solderable with the first light alloy;
- 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 . More particularly, 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)
- Adornments (AREA)
- Arc Welding In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
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 |
PCT/EP2017/082534 WO2018114500A1 (en) | 2016-12-21 | 2017-12-13 | Timepiece dial the material of which is a light alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3559758A1 true EP3559758A1 (en) | 2019-10-30 |
EP3559758B1 EP3559758B1 (en) | 2023-08-09 |
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 Before (1)
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 |
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) |
Families Citing this family (3)
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 |
WO2021104698A1 (en) | 2019-11-26 | 2021-06-03 | Rolex Sa | Connecting ring for a timepiece dial, timepiece dial plate and timepiece dial assembly method |
EP3835880B1 (en) | 2019-12-10 | 2022-08-10 | Comadur S.A. | Horological dial with feet |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH332878A (en) * | 1956-03-29 | 1958-09-30 | Rihs Fritz | Process for the production of a dial for watches and the like |
CH343312A (en) * | 1958-12-16 | 1959-12-15 | Beyeler & Cie | Process for manufacturing a watch face and dial obtained by this process |
JPS4881565A (en) * | 1972-02-01 | 1973-10-31 | ||
JPS4998274A (en) * | 1973-01-23 | 1974-09-17 | ||
JPS5631352B2 (en) * | 1973-10-26 | 1981-07-21 | ||
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 | ||
CH604227B5 (en) * | 1975-11-24 | 1978-08-31 | Charles Ruetschi | |
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 |
US5966344A (en) * | 1994-03-31 | 1999-10-12 | Citizen Watch Co., Ltd. | Watch containing light transmitting metallic dial |
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 JP JP2019551746A patent/JP6827126B2/en active Active
- 2017-12-13 US US16/465,305 patent/US20190391533A1/en not_active Abandoned
- 2017-12-13 CN CN201780079310.9A patent/CN110178093B/en active Active
- 2017-12-13 EP EP17811613.3A patent/EP3559758B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3559758B1 (en) | 2023-08-09 |
WO2018114500A1 (en) | 2018-06-28 |
JP6827126B2 (en) | 2021-02-10 |
EP3339970A1 (en) | 2018-06-27 |
EP3339970B1 (en) | 2022-03-23 |
US20190391533A1 (en) | 2019-12-26 |
JP2020501169A (en) | 2020-01-16 |
CN110178093A (en) | 2019-08-27 |
CN110178093B (en) | 2021-03-09 |
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