EP2788825A1 - Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression - Google Patents
Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pressionInfo
- Publication number
- EP2788825A1 EP2788825A1 EP12812337.9A EP12812337A EP2788825A1 EP 2788825 A1 EP2788825 A1 EP 2788825A1 EP 12812337 A EP12812337 A EP 12812337A EP 2788825 A1 EP2788825 A1 EP 2788825A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- movement
- movements
- atmosphere
- low pressure
- pressure
- 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.)
- Withdrawn
Links
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
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/24—Compensation of mechanisms for stabilising frequency for the effect of variations of atmospheric pressure
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust
Definitions
- the present invention relates to the adjustment of the chronometry of a mechanical clockwork movement intended to operate in a low-pressure atmosphere, that is to say, fitted in a sealed box in which the pressure has been lowered below the atmospheric pressure and possibly modified the composition of the atmosphere to limit the oxidation, wear and aging of certain elements of the movement.
- a low-pressure atmosphere that is to say, fitted in a sealed box in which the pressure has been lowered below the atmospheric pressure and possibly modified the composition of the atmosphere to limit the oxidation, wear and aging of certain elements of the movement.
- vacuum or “protected atmosphere” or “low pressure atmosphere” here is meant a generally low pressure with respect to atmospheric pressure, with or without an added gas that is kept inside a box that has been optimized to keep this low pressure.
- the document FR2054540 proposes three variants of a timepiece comprising an oscillator working in an enclosure in which there is a reduced pressure of between 10 "1 - 10 " 5 mm Hg (0.13 mbar - 1.3.10 "5 mbar)
- the low pressure prevails everywhere inside the watch case and the oscillator comprises a balance-spiral, a racket able to modify the frequency and two bimetallic blades. to act on the racket and to increase or decrease the frequency of the oscillator when either one of these bimetallic strips is heated by an electric wire controlled by the outside of the box.
- the oscillator is a spiral balance held electronically by coils cooperating with a magnetic field created by two magnets.
- the oscillator and its maintenance and adjustment means are contained in a hermetically sealed enclosure.
- bimetals inside the enclosure act on the racket by a thermal effect controlled by means outside the enclosure.
- FR2054540 Although a movement according to FR2054540 is designed according to the high vacuum in which its oscillator operates, the latter requires the presence and operation of very complicated adjustment means and of uncertain accuracy and reliability. The presence of magnetic elements within a watch movement is also problematic because it can lead to
- FR1546744 discloses a precision timepiece apparatus in which a low pressure atmosphere of one hundredth of Torr (0.013 mbar) is established inside a carrier box.
- the box comprises a valve and the movement is provided with a racket allowing regulation by electromagnetic influence through the box.
- the box has no valve, and once it is provided with its movement, it is directed towards a vacuum chamber, where the movement is set under vacuum by chronographs. comparators by directly attacking the tuning racket as for a conventional tuning under atmosphere. After this adjustment and always under vacuum, the bowl is screwed with seal, and the watch leaves the vacuum chamber.
- the object of the present invention is to provide a method for the chronometric adjustment of the oscillator of a mechanical clockwork movement intended to operate in a low-pressure atmosphere when the movement is subjected to ambient atmospheric pressure. This overcomes the disadvantages of the known devices since it is no longer necessary to provide special means for the time adjustment of the movement under reduced pressure atmosphere, this adjustment is performed only at atmospheric pressure.
- the invention applies mainly to a mechanical clockwork movement comprising at least one oscillator or regulating member in the form of a balance-spring.
- This mechanical watchmaking movement generally still comprises at least one barrel, an escapement maintaining the oscillations of the sprung balance and a finishing train transmitting the driving force of the barrel to the exhaust.
- This chronometric adjustment method applies more particularly to a line or set of movements of the same caliber comprising equivalent or identical assortments.
- the aim to be achieved is obviously that the mechanical clockwork movement has, when operating in the atmosphere at a reduced pressure to a predetermined value, preferably between 5 mbar and 0.1 mbar, a chronometric accuracy of substantially zero second per day subject to generally accepted standard variation tolerances.
- the method according to the invention comprises the following steps:
- the method before putting the movement into a low-pressure atmosphere in step 1, includes the step of checking, and if necessary adjusting, the movement at atmospheric pressure so that it has a precision time clock of substantially zero seconds per day.
- Advancing or retreating in step 2 is typically an advance, ⁇ being positive, and the setting in step 4 is typically accomplished by backing - ⁇ being negative.
- step 3 of the process can be done optically, for example, through the wall of a vacuum chamber that is transparent or acoustically, it is not necessary to act on the movement while it is under vacuum. . This makes it unnecessary to provide complicated means of intervention in the vacuum chamber as is the case in known devices where the setting of the racket is under vacuum.
- a first movement of the motion series may be subjected to the tuning process described above. Then consider the variation in accuracy + ⁇ time between the operation at atmospheric pressure and the gait under reduced pressure atmosphere as a standard correction standard to be applied to all other movements in the series of identical movements. Thus, for the second and subsequent movements of a series of identical movements, it is sufficient to adjust them to atmospheric pressure for chronometric precision. - ⁇ compensation and then put these movements in an atmosphere, at the pre-established reduced pressure so that their chronometric accuracy is substantially zero seconds per day.
- practical tests carried out on a series of identical movements show a range of advance of the order of +12 s / d to +14 s / d between the operation under atmospheric pressure and the operation at the preset reduced pressure. for the normal operation of the movements.
- the deltas between the different measurements vary between +13.6 s / d and +12.8 s / d, which is a variation of less than s / d.
- ⁇ -13.2 s / d for the ambient atmospheric pressure setting of all the movements of the series, we would have time lapse values varying between -0.4 s / d and 0.4 s / d, which is an excellent initial setting value for mechanical movement.
- the evacuation or under a predetermined reduced-pressure atmosphere being quite fast, it is possible to put the movement under vacuum, measure its chronometry (+ xs / d), put the movement back to atmospheric pressure and set it to - xs / d, to have a step of zero s / d under vacuum.
- This vacuum or low pressure is preferably between 5 mbar and 0.1 mbar.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Electric Clocks (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12812337.9A EP2788825A1 (fr) | 2011-12-09 | 2012-11-30 | Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11009676 | 2011-12-09 | ||
EP12812337.9A EP2788825A1 (fr) | 2011-12-09 | 2012-11-30 | Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression |
PCT/IB2012/002547 WO2013084040A1 (fr) | 2011-12-09 | 2012-11-30 | Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2788825A1 true EP2788825A1 (fr) | 2014-10-15 |
Family
ID=47520156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12812337.9A Withdrawn EP2788825A1 (fr) | 2011-12-09 | 2012-11-30 | Procédé de réglage de la chronométrie d'un mouvement d'horlogerie destiné à fonctionner dans une atmosphère à basse pression |
Country Status (5)
Country | Link |
---|---|
US (1) | US9389588B2 (fr) |
EP (1) | EP2788825A1 (fr) |
JP (1) | JP2015500479A (fr) |
CN (1) | CN103975282B (fr) |
WO (1) | WO2013084040A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013084043A1 (fr) * | 2011-12-09 | 2013-06-13 | Cartier Creation Studio S.A. | Procede d'adaptation d'un mouvement d'horlogerie prevu pour fonctionner a la pression atmospherique ambiante a un fonctionnement dans une atmosphere a basse pression |
CH710025B1 (fr) * | 2013-12-23 | 2018-06-29 | Eta Sa Mft Horlogere Suisse | Mouvement horloger mécanique à échappement magnétique. |
CN104678746A (zh) * | 2015-02-11 | 2015-06-03 | 成都布林特信息技术有限公司 | 一种用于实时监测儿童位置的新型定位智能手表 |
EP3065003B1 (fr) * | 2015-03-05 | 2017-08-09 | Cartier International AG | Mouvement de montre |
EP3432085B1 (fr) * | 2017-07-20 | 2020-04-15 | Meco S.A. | Soupape de sécurité pour pièce d'horlogerie |
EP3561612B1 (fr) * | 2018-04-23 | 2023-07-26 | Rolex Sa | Procede d'assemblage d'une piece d'horlogerie |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1260355A (fr) * | 1960-06-17 | 1961-05-05 | Boîte de montre à pression inférieure à la pression ambiante |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH15501A (de) | 1897-11-01 | 1898-06-15 | Boyd Thomas Alexander | Spindellagerung für Spinn- und Zwirnmaschinen |
CH336765A (fr) | 1957-02-22 | 1959-02-28 | Kyburz & Cie | Montre étanche |
CH355742A (de) | 1959-06-23 | 1961-07-15 | Ulrich Klingenberg Hans | Verfahren zur Herstellung eines Uhrgehäuses und nach diesem Verfahren hergestelltes Uhrgehäuse |
CH463402A (fr) | 1966-04-21 | 1968-11-15 | Ulrich Klingenberg Hans | Appareil avec chambre, à dépression destinée à recevoir une montre étanche |
BE688991A (fr) | 1966-10-27 | 1967-03-31 | ||
JPS4821060B1 (fr) * | 1967-02-20 | 1973-06-26 | ||
US3630014A (en) * | 1969-01-24 | 1971-12-28 | Certina Kurth Freres Sa | Timepiece oscillators |
FR2054540A1 (fr) | 1969-01-24 | 1971-04-23 | Certina Kurth Freres Sa | |
GB1272183A (en) | 1969-01-24 | 1972-04-26 | Suwa Seikosha Kk | Improvements relating to timepieces |
CH847969A4 (fr) | 1969-06-04 | 1974-06-28 | ||
US3890778A (en) * | 1973-08-02 | 1975-06-24 | Ebauches Sa | Watch stem intermediate setting position with functions determined by whether intermediate position was achieved by pushing stem in or pulling stem out |
JPS5068564A (fr) * | 1973-10-22 | 1975-06-07 | ||
JPS5443778A (en) * | 1977-09-13 | 1979-04-06 | Seiko Epson Corp | Drive of electronic wrist watch with alarm |
JPS56500866A (fr) * | 1979-07-16 | 1981-06-25 | ||
JP2764754B2 (ja) * | 1989-12-20 | 1998-06-11 | セイコーインスツルメンツ株式会社 | 水晶発振子を用いた圧力検出器 |
CN2249421Y (zh) * | 1996-05-22 | 1997-03-12 | 徐先鹏 | 一种真空防水手表 |
EP0886195B1 (fr) * | 1997-06-20 | 2002-02-13 | Montres Rolex Sa | Spiral autocompensateur pour oscillateur mécanique balancier-spiral de mouvement d'horlogerie et procédé de fabrication de ce spiral |
US6225057B1 (en) | 1998-07-23 | 2001-05-01 | Palleja, Zavier Estivell | Duplications of human chromosome 15q24-25 and anxiety disorders, diagnostic methods for their detection |
CN1134715C (zh) * | 1998-11-17 | 2004-01-14 | 精工爱普生株式会社 | 电子控制式机械计时器 |
CN1418295A (zh) | 2000-07-11 | 2003-05-14 | 精工爱普生株式会社 | 弹簧、驱动机构以及应用这种弹簧的装置和时计 |
WO2008029158A2 (fr) * | 2006-09-08 | 2008-03-13 | Gideon Levingston | Volant d'équilibrage à compensation thermique |
US8147127B2 (en) | 2008-12-18 | 2012-04-03 | Manufacture Roger Dubuis S.A. | Fixation of a spiral spring in a watch movement |
IT1396013B1 (it) * | 2009-10-12 | 2012-11-09 | Noci | Apparecchiatura per effettuare prove di tenuta di orologi assemblati o finiti o manufatti delicati. |
-
2012
- 2012-11-30 JP JP2014545374A patent/JP2015500479A/ja not_active Ceased
- 2012-11-30 WO PCT/IB2012/002547 patent/WO2013084040A1/fr active Application Filing
- 2012-11-30 CN CN201280060553.5A patent/CN103975282B/zh not_active Expired - Fee Related
- 2012-11-30 EP EP12812337.9A patent/EP2788825A1/fr not_active Withdrawn
- 2012-11-30 US US14/360,692 patent/US9389588B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1260355A (fr) * | 1960-06-17 | 1961-05-05 | Boîte de montre à pression inférieure à la pression ambiante |
Also Published As
Publication number | Publication date |
---|---|
US20150192900A1 (en) | 2015-07-09 |
CN103975282A (zh) | 2014-08-06 |
JP2015500479A (ja) | 2015-01-05 |
CN103975282B (zh) | 2016-10-05 |
WO2013084040A1 (fr) | 2013-06-13 |
US9389588B2 (en) | 2016-07-12 |
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Legal Events
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