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EP1612627B1 - Spiralfeder aus zwei Materialen mit Selbstkompensation - Google Patents

Spiralfeder aus zwei Materialen mit Selbstkompensation Download PDF

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Publication number
EP1612627B1
EP1612627B1 EP04015580A EP04015580A EP1612627B1 EP 1612627 B1 EP1612627 B1 EP 1612627B1 EP 04015580 A EP04015580 A EP 04015580A EP 04015580 A EP04015580 A EP 04015580A EP 1612627 B1 EP1612627 B1 EP 1612627B1
Authority
EP
European Patent Office
Prior art keywords
balance
assembly
curve
spring
inner curve
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.)
Expired - Lifetime
Application number
EP04015580A
Other languages
English (en)
French (fr)
Other versions
EP1612627A1 (de
Inventor
Marco Verardo
Thierry Conus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to DE602004020982T priority Critical patent/DE602004020982D1/de
Priority to AT04015580T priority patent/ATE430953T1/de
Priority to EP04015580A priority patent/EP1612627B1/de
Priority to TW094121675A priority patent/TWI382285B/zh
Priority to KR1020050056399A priority patent/KR20060048633A/ko
Priority to US11/169,911 priority patent/US7229208B2/en
Priority to CN200510080763.2A priority patent/CN1728017B/zh
Priority to RU2005120604/28A priority patent/RU2363971C2/ru
Priority to JP2005194992A priority patent/JP4852267B2/ja
Publication of EP1612627A1 publication Critical patent/EP1612627A1/de
Priority to HK06102729.8A priority patent/HK1082972B/xx
Application granted granted Critical
Publication of EP1612627B1 publication Critical patent/EP1612627B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G04B17/20—Compensation of mechanisms for stabilising frequency

Definitions

  • the present invention relates to a hairspring, intended in particular to be integrated in the balance-sprung adjusting device of a timepiece, whose curve inside is modified to allow a concentric expansion of the turns and thus improve the isochronism of said timepiece.
  • the invention relates more particularly to both the conformation of the curve inside and the choice of materials to make the curve inside and all the turns.
  • point of attachment the so-called "point of attachment" rule to form the curve inside a spiral according to a particular contour, and in particular according to the Grossmann curve.
  • all turns have previously been formed by the known technique of strapping, it is necessary to use a highly skilled labor, so that this solution is reserved for timepieces of high precision, high quality and for limited series, but is in no case applicable to mass production.
  • a flat hairspring comprising a blade which is made in one piece. More specifically, the outer portion of the blade, the inner portion of the inner coil, the beginning of the outer coil, the beginning of the inner coil and all the intermediate turns are made of a single material from the normal profile of the coil. spiral which is folded in places. Alternatively, it is expected to strengthen the outer portion of the blade and the inner portion of the inner coil by providing material by galvanic process or welding for example.
  • the present invention therefore aims to provide a new solution by providing a hairspring that can be manufactured industrially while having the qualities of a Grossmann inner curve hairspring whose influence on a concentric expansion of the hairspring is greater than that resulting from the conformation of the curve on the outside.
  • the subject of the invention is a self-compensating hairspring for a balance-spring balance device, said hairspring being constituted by a first assembly, comprising the turns and the curve on the outside, made of a first material having a torque resilient little or not sensitive to variations in elongation, temperature and magnetic field, and by a second assembly integral with the first assembly, including in particular the curve inside, made of a second material chosen mainly for its mechanical properties facilitating the conformation of said curve inside according to the contour most favorable to a concentric expansion of the spiral.
  • This contour may for example be a Grossmann curve.
  • the known methods can be used, but the LIGA method of photolithography and galvanic growth is preferably used.
  • the accuracy of the conformation of the curve on the inside is thus reported on the production of the irradiation mask, which is perfectly well achieved with current techniques.
  • the mask can easily be duplicated or reused for mass production.
  • the first and second sets can be assembled by welding, for example by laser welding.
  • FIG 1 there is shown a sprung balance adjusting device in top view partially cut away, limited to the parts useful for understanding the invention, the figure 2 being an enlarged representation of the center of the device.
  • the regulating device comprises a rocker 10, the axis 11 of which is pivoted in a cock 12 and a spiral 1.
  • the curve on the outside 2 of the spiral 1 is fixed in a known manner by fitting into a stud 15 of a holder. 13, and it is extended by a group of turns 3 to the beginning of the curve inside 4 to form a first set.
  • the second set comprises in the example shown the curve inside 4 welded at a point 7 on a shell 5.
  • the curve inside 4 which is represented as a curve Grossmann 14 conferring spiral 1 a concentric expansion, is welded to a point 9 at the end of the turns of the first set.
  • the material used may be any alloy known for its non-magnetic properties and for its low coefficient of thermal expansion, for example Elinvar, this first set being able to be shaped for example by strapping.
  • the material used will preferably be chosen for its mechanical properties and for its ease of forming. Even if the material used does not have all the desired properties to conform the whole spiral, given the short length of the curve inside, we can consider as negligible the impact of its defects on the overall performance spiral, these defects can in any case be corrected.
  • This second set may comprise only the curve inside which will then be welded at its end 7 to the shell 5 and at its end 9 at the ends of the turns of the first set.
  • a positive or negative photoresist with a thickness corresponding to the height "h" of desired blade, then is formed by means of a mask by photolithography and etching a hollow structure corresponding to the desired contour for the second set.
  • said hollow structure is filled with a metal or an alloy such as NiP, either by electrodeposition as indicated for example in FIG. U.S. Patent 4,661,212 or by compression and sintering of nanoparticles, as indicated for example in the patent application US 2001/0038803 .
  • the second set is released by elimination of the sacrificial layer.
  • the amplitude of oscillation of the balance expressed in degrees with respect to its equilibrium position has been plotted on the abscissa, and the deviation expressed in seconds per day is ordinate.
  • This diagram has five curves corresponding to the usual measurement positions (1: horizontal, 2 to 5: the four vertical positions), and the dotted line corresponds to the envelope of all the most unfavorable positions. In the usual way, the maximum deviation of the envelope for an amplitude of between 200 ° and 300 ° is used as the operating gap.
  • the maximum deviation corresponds to an amplitude of 300 ° and has a value of 2.1 s / d, which is about three times less than the difference that can be observed with a non-modified reference spiral, ie say monomatiere and without Grossmann curve.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Silicon Polymers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Hair Curling (AREA)
  • Braking Arrangements (AREA)
  • Micromachines (AREA)

Claims (8)

  1. Selbstausgleichende Spiralfeder (1) für eine Spiralfederunruh-Regelungsvorrichtung, deren Außenbogen (2) am Kloben (12) befestigt ist, in dem die Welle (11) der Unruh schwingt, an der der Innenbogen (4) der Spiralfeder (1) befestigt ist, dadurch gekennzeichnet, dass die Spiralfeder (1) gebildet ist aus einer ersten Gesamtheit, die die Windungen (3) und den Außenbogen (2) umfasst und aus einem ersten Material verwirklicht ist, das ein Elastizitätsmoment besitzt, das für Veränderungen der Elongation, der Temperatur und des Magnetfeldes kaum oder nicht empfindlich ist, und aus einer zweiten Gesamtheit, die durch Verschweißen an der ersten Gesamtheit befestigt ist und insbesondere den Innenbogen (4) umfasst und die aus einem zweiten Material, das vom ersten Material verschieden ist, verwirklicht ist, das im Wesentlichen im Hinblick auf seine mechanischen Eigenschaften gewählt ist, die die Anpassung des Innenbogens (4) an den für eine konzentrische Ausdehnung der Spiralfeder günstigsten Umriss erleichtert.
  2. Spiralfeder nach Anspruch 1, dadurch gekennzeichnet, dass der Innenbogen (4) den Umriss eines Grossmann-Bogens (14) hat.
  3. Spiralfeder nach Anspruch 1, dadurch gekennzeichnet, dass die zweite Gesamtheit außerdem eine Spiralrolle (5) umfasst, die eine Befestigung an der Welle (11) der Unruh ermöglicht und einteilig mit dem Innenbogen (4) ausgebildet ist.
  4. Spiralfeder nach Anspruch 1, dadurch gekennzeichnet, dass das Material der ersten Gesamtheit eine Legierung des Typs Elinvar ist und das Material der zweiten Gesamtheit im Wesentlichen wegen seiner mechanischen Eigenschaften und seiner leichten Anpassung etwa eine NiP-Legierung ist.
  5. Spiralfeder nach Anspruch 4, dadurch gekennzeichnet, dass die erste und die zweite Gesamtheit durch einen Laserschweißpunkt (9) verbunden sind.
  6. Verfahren zum Herstellen einer selbstausgleichenden Spiralfeder (1) für eine Spiralfederunruh-Regelungsvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass es die Schritte umfasst, die darin bestehen:
    - die erste Gesamtheit, die die Windungen (3) und den Außenbogen (2) umfasst, aus einem ersten Material zu verwirklichten;
    - die zweite Gesamtheit, die insbesondere den Innenbogen (4) aus einem zweiten Material, das von dem ersten Material verschieden ist, umfasst, zu verwirklichen; und
    - die zweite Gesamtheit an der ersten Gesamtheit zu befestigen.
  7. Herstellungsverfahren nach Anspruch 6, dadurch gekennzeichnet, dass durch das LIGA-Verfahren eine Form gebildet wird, die dem gewünschten Umriss für die zweite Gesamtheit entspricht, und dass in diese Form durch galvanisches Wachstum eines Metalls oder einer Legierung das zweite Material eingebracht wird.
  8. Herstellungsverfahren nach Anspruch 6, wenn abhängig von Anspruch 3, dadurch gekennzeichnet, dass durch das LIGA-Verfahren eine Form gebildet wird, die dem gewünschten Umriss für die zweite Gesamtheit entspricht, die durch die Innenbogen (4) und durch die Spiralrolle (5) gebildet ist, und dass in diese Form durch galvanisches Wachstum das zweite Material eingebracht wird.
EP04015580A 2004-07-02 2004-07-02 Spiralfeder aus zwei Materialen mit Selbstkompensation Expired - Lifetime EP1612627B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE602004020982T DE602004020982D1 (de) 2004-07-02 2004-07-02 tion
AT04015580T ATE430953T1 (de) 2004-07-02 2004-07-02 Spiralfeder aus zwei materialen mit selbstkompensation
EP04015580A EP1612627B1 (de) 2004-07-02 2004-07-02 Spiralfeder aus zwei Materialen mit Selbstkompensation
KR1020050056399A KR20060048633A (ko) 2004-07-02 2005-06-28 이중재료로 된 자가보정 밸런스-스프링
TW094121675A TWI382285B (zh) 2004-07-02 2005-06-28 用於彈簧均衡調節裝置之自補償均衡彈簧及製造用於彈簧均衡調節裝置的自補償均衡彈簧之方法
CN200510080763.2A CN1728017B (zh) 2004-07-02 2005-06-30 双材料自补偿游丝
US11/169,911 US7229208B2 (en) 2004-07-02 2005-06-30 Bi-material self-compensating balance-spring
RU2005120604/28A RU2363971C2 (ru) 2004-07-02 2005-07-01 Самокомпенсирующаяся балансирная пружина, выполненная из двух материалов
JP2005194992A JP4852267B2 (ja) 2004-07-02 2005-07-04 ２種材料製自動補償てんぷばね
HK06102729.8A HK1082972B (en) 2004-07-02 2006-03-02 Bi-material self-compensating balance-spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04015580A EP1612627B1 (de) 2004-07-02 2004-07-02 Spiralfeder aus zwei Materialen mit Selbstkompensation

Publications (2)

Publication Number Publication Date
EP1612627A1 EP1612627A1 (de) 2006-01-04
EP1612627B1 true EP1612627B1 (de) 2009-05-06

Family

ID=34925588

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015580A Expired - Lifetime EP1612627B1 (de) 2004-07-02 2004-07-02 Spiralfeder aus zwei Materialen mit Selbstkompensation

Country Status (9)

Country Link
US (1) US7229208B2 (de)
EP (1) EP1612627B1 (de)
JP (1) JP4852267B2 (de)
KR (1) KR20060048633A (de)
CN (1) CN1728017B (de)
AT (1) ATE430953T1 (de)
DE (1) DE602004020982D1 (de)
RU (1) RU2363971C2 (de)
TW (1) TWI382285B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode
EP1818736A1 (de) * 2006-02-09 2007-08-15 The Swatch Group Research and Development Ltd. Stossfeste Spiralrolle
EP1857891A1 (de) * 2006-05-17 2007-11-21 Patek Philippe Sa Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk
US20080298208A1 (en) * 2007-06-01 2008-12-04 Nobuyuki Maeda Optical head and optical disc apparatus
USD591191S1 (en) * 2007-06-26 2009-04-28 Maurice Lacroix Sa Balance wheel with flat hairspring
EP2104008A1 (de) 2008-03-20 2009-09-23 Nivarox-FAR S.A. Monoblock-Regulierungsorgan und sein Herstellungsverfahren
EP2104007A1 (de) 2008-03-20 2009-09-23 Nivarox-FAR S.A. Monoblockspirale aus Material auf Siliziumbasis und ihr Herstellungsverfahren
EP2104005A1 (de) 2008-03-20 2009-09-23 Nivarox-FAR S.A. Composite-Unruh und Herstellungsverfahren dafür
EP2105807B1 (de) 2008-03-28 2015-12-02 Montres Breguet SA Monoblockspirale zur Erhöhung der Kurve und ihr Herstellungsverfahren
CH699882A2 (fr) * 2008-11-06 2010-05-14 Montres Breguet Sa Spiral à élévation de courbe en matériau micro-usinable.
EP2196867A1 (de) * 2008-12-15 2010-06-16 Montres Breguet S.A. Spirale mit Kurvenerhöhung aus Material auf Siliziumbasis
CH701783B1 (fr) * 2009-09-07 2015-01-30 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Ressort spiral de mouvement de montre.
US8720286B2 (en) * 2009-11-06 2014-05-13 Baker Hughes Incorporated Temperature insensitive devices and methods for making same
CH704649B1 (fr) 2011-03-23 2019-04-15 Lvmh Swiss Mft Sa Elément oscillant pour organe réglant horloger.
EP2557460A1 (de) * 2011-08-12 2013-02-13 Nivarox-FAR S.A. Metallanker mit Polymer-Hörnern
EP2657794B1 (de) * 2012-04-25 2017-02-01 ETA SA Manufacture Horlogère Suisse Federwelle und Zugfeder
EP2690507B1 (de) * 2012-07-26 2014-12-31 Nivarox-FAR S.A. Spiralfeder einer Uhr
CH707165B1 (fr) 2012-11-07 2016-12-30 Patek Philippe Sa Geneve Mouvement d'horlogerie à balancier-spiral.
CH707503A2 (fr) * 2013-01-17 2014-07-31 Omega Sa Axe de pivotement pour mouvement horloger.
EP2767869A1 (de) * 2013-02-13 2014-08-20 Nivarox-FAR S.A. Verfahren zur Herstellung eines mikromechanischen Monoblock-Bauteils, das mindestens zwei verschiedene Ebenen umfasst
EP2952972B1 (de) * 2014-06-03 2017-01-25 The Swatch Group Research and Development Ltd. Herstellungsverfahren einer Ausgleichsspiralfeder aus Verbundmaterial
EP2952977A1 (de) * 2014-06-03 2015-12-09 Nivarox-FAR S.A. Uhrkomponente aus geschweißten Materialien
JP6629854B2 (ja) * 2015-06-15 2020-01-15 シチズン時計株式会社 時計の調速装置
EP3181515A1 (de) * 2015-12-15 2017-06-21 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Uhr aus verbundmaterial und ihr herstellungsverfahren
EP3433680B1 (de) * 2016-03-23 2020-04-29 Patek Philippe SA Genève Unruh-spiralfeder-oszillator für eine uhr
JP7476768B2 (ja) 2020-11-13 2024-05-01 セイコーエプソン株式会社 テンプ、ムーブメント、機械式時計およびテンプの製造方法

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US209642A (en) * 1878-11-05 Improvement in balance-springs for time-keepers
US1931251A (en) * 1930-03-17 1933-10-17 New Haven Clock Co Torsion-spring for clocks, watches, etc.
CH327796A (fr) 1954-02-22 1958-02-15 Horlogerie Suisse S A Asuag Spiral plat
DE1205464B (de) * 1961-08-24 1965-11-18 United States Time Corp Gangregler
CH499094A (de) * 1967-11-09 1970-11-15 Kienzle Apparate Gmbh Rückstellfeder für Messgeräte
CH871474A4 (de) * 1974-06-25 1977-02-28
SU1434397A1 (ru) * 1986-03-24 1988-10-30 Предприятие П/Я Г-4257 Устройство дл термокомпенсации колебаний балансового осцилл тора
CH692532A5 (fr) * 1997-10-21 2002-07-15 Ebauchesfabrik Eta Ag Procédé de fabrication d'un spiral de balancier pour mouvement d'horlogerie.
USH1991H1 (en) * 1999-07-01 2001-09-04 Methode Electronics, Inc. Clockspring using flexible printed wiring
TW497015B (en) * 2000-12-07 2002-08-01 Ebauchesfabrik Eta Ag Method for adjusting the oscillation frequency of a sprung balance for a mechanical timepiece
JP2002341054A (ja) * 2001-05-11 2002-11-27 Seiko Instruments Inc ヒゲぜんまい、同構造体、これを用いた調速機構及び時計
EP1431844A1 (de) * 2002-12-19 2004-06-23 SFT Services SA Vorrichtung für das Regelelement eines Uhrwerks
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode

Also Published As

Publication number Publication date
KR20060048633A (ko) 2006-05-18
DE602004020982D1 (de) 2009-06-18
JP4852267B2 (ja) 2012-01-11
US7229208B2 (en) 2007-06-12
CN1728017A (zh) 2006-02-01
TWI382285B (zh) 2013-01-11
RU2363971C2 (ru) 2009-08-10
TW200613938A (en) 2006-05-01
EP1612627A1 (de) 2006-01-04
JP2006017734A (ja) 2006-01-19
ATE430953T1 (de) 2009-05-15
CN1728017B (zh) 2010-06-16
US20060002241A1 (en) 2006-01-05
HK1082972A1 (en) 2006-06-23
RU2005120604A (ru) 2007-01-10

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