EP3502785A1 - Spiralfeder für uhrwerk, und ihr herstellungsverfahren - Google Patents
Spiralfeder für uhrwerk, und ihr herstellungsverfahren Download PDFInfo
- Publication number
- EP3502785A1 EP3502785A1 EP17209682.8A EP17209682A EP3502785A1 EP 3502785 A1 EP3502785 A1 EP 3502785A1 EP 17209682 A EP17209682 A EP 17209682A EP 3502785 A1 EP3502785 A1 EP 3502785A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- niobium
- weight
- titanium
- alloy
- equal
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000010955 niobium Substances 0.000 claims abstract description 68
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 67
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 64
- 239000000956 alloy Substances 0.000 claims abstract description 64
- 239000010936 titanium Substances 0.000 claims abstract description 56
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 238000010791 quenching Methods 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 239000006104 solid solution Substances 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 7
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 4
- 229910018104 Ni-P Inorganic materials 0.000 claims description 4
- 229910018536 Ni—P Inorganic materials 0.000 claims description 4
- QDWJUBJKEHXSMT-UHFFFAOYSA-N boranylidynenickel Chemical compound [Ni]#B QDWJUBJKEHXSMT-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- AIRCTMFFNKZQPN-UHFFFAOYSA-N AlO Inorganic materials [Al]=O AIRCTMFFNKZQPN-UHFFFAOYSA-N 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 229910001257 Nb alloy Inorganic materials 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 229910001069 Ti alloy Inorganic materials 0.000 abstract 1
- 239000011573 trace mineral Substances 0.000 description 4
- 235000013619 trace mineral Nutrition 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910020012 Nb—Ti Inorganic materials 0.000 description 2
- 229910001275 Niobium-titanium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 2
- 230000005298 paramagnetic effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000942 Elinvar Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/066—Manufacture of the spiral spring
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
Definitions
- spiral springs are also centered on the concern of thermal compensation, so as to ensure regular chronometric performance. This requires a thermoelastic coefficient close to zero. Spiral springs with limited sensitivity to magnetic fields are also desired.
- E is the Young's modulus of the spiral spring, and in this formula, E, ⁇ and ⁇ are expressed in ° C -1 .
- the heat treatment is carried out for a period of between 1 hour and 15 hours at a temperature between 350 ° C and 700 ° C. More preferably, the heat treatment is carried out for a period of between 5 hours and 10 hours at a temperature between 350 ° C and 600 ° C. Even more preferentially, the heat treatment is carried out for a period of between 3 hours and 6 hours at a temperature of between 400 ° C. and 500 ° C.
- the ductile material preferably copper, is thus deposited at a given moment to facilitate the shaping of the wire by drawing and drawing, so that there remains a thickness preferably between 1 and 500 microns on the wire with a total diameter of 0.2 to 1 millimeter.
- the method of the invention may comprise, after the deformation step, a step of removing said surface layer of ductile material.
- the ductile material is removed once all deformation processing operations have been performed, i.e. after the last rolling, prior to strapping.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Springs (AREA)
- Micromachines (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17209682.8A EP3502785B1 (de) | 2017-12-21 | 2017-12-21 | Spiralfeder für uhrwerk, und ihr herstellungsverfahren |
| US16/143,764 US11586146B2 (en) | 2017-12-21 | 2018-09-27 | Spiral spring for clock or watch movement and method of manufacture thereof |
| JP2018204827A JP6764915B2 (ja) | 2017-12-21 | 2018-10-31 | 固定式時計又は携行式時計のムーブメントのための渦巻き状のばね及びその製造方法 |
| CN201811412811.7A CN109946945B (zh) | 2017-12-21 | 2018-11-23 | 用于钟表机芯的螺旋弹簧及其制造方法 |
| RU2018144937A RU2696327C1 (ru) | 2017-12-21 | 2018-12-18 | Спиральная пружина для механизма часов, в частности наручных, и способ ее изготовления |
| JP2020130704A JP2020187134A (ja) | 2017-12-21 | 2020-07-31 | 固定式時計又は携行式時計のムーブメントのための渦巻き状のばね及びその製造方法 |
| US18/060,228 US11966198B2 (en) | 2017-12-21 | 2022-11-30 | Spiral spring for clock or watch movement and method of manufacture thereof |
| JP2023175743A JP2024016031A (ja) | 2017-12-21 | 2023-10-11 | 固定式時計又は携行式時計のムーブメントのための渦巻き状のばね及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17209682.8A EP3502785B1 (de) | 2017-12-21 | 2017-12-21 | Spiralfeder für uhrwerk, und ihr herstellungsverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3502785A1 true EP3502785A1 (de) | 2019-06-26 |
| EP3502785B1 EP3502785B1 (de) | 2020-08-12 |
Family
ID=60781933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17209682.8A Active EP3502785B1 (de) | 2017-12-21 | 2017-12-21 | Spiralfeder für uhrwerk, und ihr herstellungsverfahren |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US11586146B2 (de) |
| EP (1) | EP3502785B1 (de) |
| JP (3) | JP6764915B2 (de) |
| CN (1) | CN109946945B (de) |
| RU (1) | RU2696327C1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4019459A1 (de) * | 2020-12-24 | 2022-06-29 | Atokalpa, succursale de Alle de SFF Composants Horlogers S.A. | Verfahren zur herstellung einer thermokompensierten spiralfeder |
| EP4060424A1 (de) * | 2021-03-16 | 2022-09-21 | Nivarox-FAR S.A. | Spiralfeder für uhrwerk |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3422116B1 (de) | 2017-06-26 | 2020-11-04 | Nivarox-FAR S.A. | Spiralfeder eines uhrwerks |
| EP3422115B1 (de) | 2017-06-26 | 2021-08-04 | Nivarox-FAR S.A. | Spiralfeder eines uhrwerks |
| EP3502288B1 (de) | 2017-12-21 | 2020-10-14 | Nivarox-FAR S.A. | Herstellungsverfahren einer spiralfeder für uhrwerk |
| EP3502289B1 (de) * | 2017-12-21 | 2022-11-09 | Nivarox-FAR S.A. | Herstellungsverfahren einer spiralfeder für uhrwerk |
| EP3796101A1 (de) * | 2019-09-20 | 2021-03-24 | Nivarox-FAR S.A. | Spiralfeder für uhrwerk |
| EP3828642A1 (de) * | 2019-11-29 | 2021-06-02 | Nivarox-FAR S.A. | Spiralfeder für uhrwerk und herstellungsverfahren dafür |
| EP3845971B1 (de) * | 2019-12-31 | 2024-04-17 | Nivarox-FAR S.A. | Herstellungsverfahren für eine spiralfeder für ein uhrwerk |
| EP4060425A1 (de) * | 2021-03-16 | 2022-09-21 | Nivarox-FAR S.A. | Spiralfeder für uhrwerk |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166701A (en) * | 1966-06-08 | 1969-10-08 | Vacuumschmelze Gmbh | Improvements in or relating to Non-Ferromagnetic Alloys |
| EP1083243A2 (de) * | 1999-09-10 | 2001-03-14 | Terumo Corporation | Draht aus Beta-Titan-Legierung, Verfahren zur ihrer Herstellung sowie ihrer Verwendung für medizinische Vorrichtungen |
| EP1114876A1 (de) * | 1999-06-11 | 2001-07-11 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Titanlegierung und verfahren zu deren herstellung |
| EP1258786A1 (de) * | 2001-05-18 | 2002-11-20 | Montres Rolex Sa | Selbstkompensierende Feder für einen mechanischen Oszillator vom Unruh-Spiralfeder-Typ |
| WO2005045532A2 (en) * | 2003-11-07 | 2005-05-19 | Seiko Epson Corporation | Timepiece and mainspring |
| EP2696381A1 (de) * | 2012-08-08 | 2014-02-12 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Auf Niob-Titan basierter supraleitender Draht |
| WO2015189278A2 (fr) * | 2014-06-11 | 2015-12-17 | Cartier Création Studio Sa | Oscillateur pour un ensemble de balancier-spiral d'une pièce d'horlogerie |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH536362A (de) | 1966-04-22 | 1973-04-30 | Straumann Inst Ag | Metall- oder Halbleiterlegierung mit kleinen Temperaturkoeffizienten der Elastizität |
| JPH0621015U (ja) * | 1992-08-19 | 1994-03-18 | 株式会社栄光眼鏡 | 眼鏡フレーム |
| WO1996041382A2 (en) * | 1995-06-07 | 1996-12-19 | Teledyne Industries, Inc. | Niobium 47 weight % titanium by iron addition and method for making superconducting multifilamentary wire |
| JP2002332531A (ja) * | 1999-06-11 | 2002-11-22 | Toyota Central Res & Dev Lab Inc | チタン合金およびその製造方法 |
| JP4562830B2 (ja) * | 1999-09-10 | 2010-10-13 | トクセン工業株式会社 | βチタン合金細線の製造方法 |
| DE60138731D1 (de) | 2000-12-20 | 2009-06-25 | Toyota Chuo Kenkyusho Kk | Verfahren zur Herstellung einer TITANLEGIERUNG MIT HOHEM ELASTISCHEM VERFORMUNGSVERMÖGEN. |
| ATE307990T1 (de) * | 2002-11-25 | 2005-11-15 | Suisse Electronique Microtech | Spiraluhrwerkfeder und verfahren zu deren herstellung |
| EP1445670A1 (de) * | 2003-02-06 | 2004-08-11 | ETA SA Manufacture Horlogère Suisse | Spiralfeder der Resonatorunruh und Fabrikationsmethode |
| EP2184653A1 (de) * | 2008-11-06 | 2010-05-12 | Montres Breguet S.A. | Spiralfeder mit Endkurvenerhöhung aus mikro-bearbeitbarem Material |
| WO2015137283A1 (ja) * | 2014-03-14 | 2015-09-17 | 古河電気工業株式会社 | Ｃｕ－Ａｌ－Ｍｎ系合金材とその製造方法、及びそれを用いた棒材または板材 |
| EP3002638B1 (de) | 2014-09-08 | 2021-08-18 | Richemont International S.A. | Herstellungsverfahren einer thermokompensierten spiralfeder |
| EP2993531B1 (de) * | 2014-09-08 | 2021-03-31 | Precision Engineering AG | Verfahren zur umformung einer feder |
| EP3171229A1 (de) * | 2015-11-19 | 2017-05-24 | Nivarox-FAR S.A. | Uhrwerkskomponente |
| CH711913A2 (fr) | 2015-12-02 | 2017-06-15 | Nivarox Far Sa | Procédé de fabrication d'un ressort-spiral d'horlogerie. |
| EP3176651B1 (de) * | 2015-12-02 | 2018-09-12 | Nivarox-FAR S.A. | Herstellungsverfahren einer spiralfeder für eine uhr |
| FR3064281B1 (fr) * | 2017-03-24 | 2022-11-11 | Univ De Lorraine | Alliage de titane beta metastable, ressort d'horlogerie a base d'un tel alliage et son procede de fabrication |
| EP3422115B1 (de) | 2017-06-26 | 2021-08-04 | Nivarox-FAR S.A. | Spiralfeder eines uhrwerks |
| EP3422116B1 (de) | 2017-06-26 | 2020-11-04 | Nivarox-FAR S.A. | Spiralfeder eines uhrwerks |
-
2017
- 2017-12-21 EP EP17209682.8A patent/EP3502785B1/de active Active
-
2018
- 2018-09-27 US US16/143,764 patent/US11586146B2/en active Active
- 2018-10-31 JP JP2018204827A patent/JP6764915B2/ja active Active
- 2018-11-23 CN CN201811412811.7A patent/CN109946945B/zh active Active
- 2018-12-18 RU RU2018144937A patent/RU2696327C1/ru active
-
2020
- 2020-07-31 JP JP2020130704A patent/JP2020187134A/ja active Pending
-
2022
- 2022-11-30 US US18/060,228 patent/US11966198B2/en active Active
-
2023
- 2023-10-11 JP JP2023175743A patent/JP2024016031A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166701A (en) * | 1966-06-08 | 1969-10-08 | Vacuumschmelze Gmbh | Improvements in or relating to Non-Ferromagnetic Alloys |
| EP1114876A1 (de) * | 1999-06-11 | 2001-07-11 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Titanlegierung und verfahren zu deren herstellung |
| EP1083243A2 (de) * | 1999-09-10 | 2001-03-14 | Terumo Corporation | Draht aus Beta-Titan-Legierung, Verfahren zur ihrer Herstellung sowie ihrer Verwendung für medizinische Vorrichtungen |
| EP1258786A1 (de) * | 2001-05-18 | 2002-11-20 | Montres Rolex Sa | Selbstkompensierende Feder für einen mechanischen Oszillator vom Unruh-Spiralfeder-Typ |
| WO2005045532A2 (en) * | 2003-11-07 | 2005-05-19 | Seiko Epson Corporation | Timepiece and mainspring |
| EP2696381A1 (de) * | 2012-08-08 | 2014-02-12 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Auf Niob-Titan basierter supraleitender Draht |
| WO2015189278A2 (fr) * | 2014-06-11 | 2015-12-17 | Cartier Création Studio Sa | Oscillateur pour un ensemble de balancier-spiral d'une pièce d'horlogerie |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4019459A1 (de) * | 2020-12-24 | 2022-06-29 | Atokalpa, succursale de Alle de SFF Composants Horlogers S.A. | Verfahren zur herstellung einer thermokompensierten spiralfeder |
| EP4060424A1 (de) * | 2021-03-16 | 2022-09-21 | Nivarox-FAR S.A. | Spiralfeder für uhrwerk |
| US11898225B2 (en) | 2021-03-16 | 2024-02-13 | Nivarox-Far S.A. | Spiral spring for a horological movement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019113528A (ja) | 2019-07-11 |
| JP6764915B2 (ja) | 2020-10-07 |
| US11586146B2 (en) | 2023-02-21 |
| RU2696327C1 (ru) | 2019-08-01 |
| US20230088320A1 (en) | 2023-03-23 |
| CN109946945A (zh) | 2019-06-28 |
| EP3502785B1 (de) | 2020-08-12 |
| JP2020187134A (ja) | 2020-11-19 |
| CN109946945B (zh) | 2021-04-20 |
| US20190196405A1 (en) | 2019-06-27 |
| JP2024016031A (ja) | 2024-02-06 |
| US11966198B2 (en) | 2024-04-23 |
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