EP1543386B1 - Mechanische teile - Google Patents

Mechanische teile Download PDF

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Publication number
EP1543386B1
EP1543386B1 EP03702274A EP03702274A EP1543386B1 EP 1543386 B1 EP1543386 B1 EP 1543386B1 EP 03702274 A EP03702274 A EP 03702274A EP 03702274 A EP03702274 A EP 03702274A EP 1543386 B1 EP1543386 B1 EP 1543386B1
Authority
EP
European Patent Office
Prior art keywords
diamond
parts
spiral spring
mechanical
manufacture
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
EP03702274A
Other languages
English (en)
French (fr)
Other versions
EP1543386A2 (de
Inventor
Pierre Gygax
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.)
Fore Eagle Co Ltd
Original Assignee
Fore Eagle Co Ltd
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 Fore Eagle Co Ltd filed Critical Fore Eagle Co Ltd
Publication of EP1543386A2 publication Critical patent/EP1543386A2/de
Application granted granted Critical
Publication of EP1543386B1 publication Critical patent/EP1543386B1/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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • G04B31/04—Shock-damping bearings with jewel hole and cap jewel
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • G04B1/145—Composition and manufacture of the springs
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings

Definitions

  • the present invention relates to the use of a particular material, diamond, for the manufacture of a spiral spring, intended to enter the composition of a watch movement.
  • the invention also relates to a timepiece comprising at least one such spiral spring.
  • diamond in the industry is known; in particular as a precious stone, for decorative purposes, or else with regard to the qualities of hardness of the diamond, as a cutting element or an abrasive element.
  • the diamond has other qualities, low coefficient of friction, impact resistance, mechanical resistance, low density, high modulus of elasticity, low coefficient of thermal expansion, ability not to be scratch and transparency.
  • These various qualities can advantageously be used, alone or in combination, for the manufacture of mechanical parts, such as for example parts in friction and to resist wear or parts to resist shocks or parts to be totally or partially transparent as well as elastic parts, parts of this kind being commonly used in watchmaking or micromechanics.
  • the document EP 0.732.635 discloses mechanical parts consisting of a substrate, preferably silicon, covered with a layer which may be diamond. A mechanical part thus formed has the disadvantages of any part composed of a juxtaposition of different materials.
  • the article entitled: "Manufacturing of single-crystal diamond microcomponents" referenced in XP 000485931 describes mechanical parts obtained by cutting a diamond plate Monocrystalline.
  • the parts obtained by this process are of the order of 400 ⁇ m in diameter and 13 ⁇ m in thickness, more than 10 times smaller in diameter and more than 3 times thinner than the spiral springs required in watchmaking obtained according to the method of the invention.
  • the object of the invention is therefore to propose the use of diamond, natural or synthetic, for making spiral springs.
  • the first unclaimed example of a mechanical part shown in figure 1 relates to the use of diamond for the manufacture of cam parts, in particular in the example shown in the hour cam of a mechanical timepiece.
  • the wear of the diamond parts is significantly less than that of the corresponding parts made of conventional materials; this feature brings a further advantage, the long life of the parts where the sharp angles must continue as found on some cams.
  • the advantage of the strong mechanical strength of the diamond, combined with its low density of the order of 3.5 kg / dm 3 allows for a mobile lever 11 much finer, or section and mass significantly lower , that the corresponding lever made of conventional material this leading to a net decrease in the inertia of this element.
  • FIG. 2 Another unclaimed example of diamond use is shown in figure 2 where we see a portion of an exhaust device of a known type of clockwork according to a position of operation.
  • many mechanical shocks occur between the various components; in particular between two teeth 200 of the escape wheels 2 coming into contact, between the blocking lever 201 of the blocker 20 and the teeth 200 of the escape wheels 2, between the blocking portions 202 and the teeth 200 of the escape wheels 2, and between the horns 203 of the blocker 20 and the locking pins 21 and the lifting 22 of the balance.
  • some of the component parts are also subject to friction from one part to the other; for example the teeth 200 of the wheels 2 between them or against the locking lever 201 or the blocking portions 202 of the blocker 20, and between the lifting 22 and the horns 203 of the blocker 20.
  • the same advantages as mentioned above concerning the friction and wear of parts in contact are therefore found for these parts.
  • the figure 3 shows a date display device 3 comprising two disks or rings 30 and 31, normally superimposed but shown here laterally offset to better understand their operation.
  • Each of the discs 30 and 31 is numbered, engraved or printed, the numbering 300 of the disc 30 ranging from 1 to 15 while the numbering 301 of the disc 31 is from 16 to 31.
  • Each of the discs 30 and 31 is rotated by the watch movement of the watch on which they are mounted so that during the first 15 days of the month, each digit of the numbering 300 of the disc 30 is successively visible behind a wicket of the dial of the watch, not shown on FIG, while the 16 th to the last day of the month, the disc 30 is stationary and has its portion behind said aperture 302, this portion 302 being transparent so as to make visible the scroll dial 310 of the disk 31.
  • Such a device has the advantage of allowing a date display of larger size than by a device with a single disk.
  • known devices using materials customary to such devices have a relatively large thickness, consequently increasing that of the watch.
  • the numbering 300 of the disc 30 is disposed on the underside of said disc, while that 310 of the disc 31 is disposed on its upper face, so that the planes on which are arranged the two numbering are closest possible from each other to facilitate the comfort of reading the date.
  • the portion of the disk 30 bearing the numbering 300 with the exception of the portion 302, will be coated with an opaque layer 301, so as to hide the numbering 310 of the disk 31 during the first 15 days of the month.
  • the disk 31 may also be provided with an opaque layer 311. It should be noted that for the operation of the device it is not absolutely essential that the lower disk 31 is also diamond because it is not necessary that this disc be transparent on one of its portions.
  • the scratch resistance quality of the diamond is also appreciated in this case, avoiding that the transparent portion 302 is scratched. in use. This quality is therefore used in combination with the qualities of transparency and mechanical strength already mentioned.
  • the spiral spring 4 of the Figures 4 and 5 is obtained by a known method of etching a thin diamond plate.
  • the example of the figure 4 it comprises the flange 40 for fixing the inner end of the spiral spring and the turns 41 of the spiral spring, while the example of the figure 5 further comprises a flange 42 for attaching the ferrule to the outer end of the spiral spring.
  • a first advantage of making a spiral spring by etching a thin diamond plate rather than by strapping a wire therefore appears from these figures, namely the possibility of including in one piece one or two flanges of end 40 or 42 with the turns 41.
  • Yet another advantage of this method of manufacture is that it is possible to obtain a last turn 43, or a portion thereof, with a circular pattern and not spiral. The etching thus making it possible to give the shape and the desired section to each portion of the spiral spring, it thus becomes possible to balance the spiral spring directly to the etching as well as to soften or stiffen it in one or more selected areas.
  • the intrinsic physical parameters of the diamond still make it advantageous to use this material for the manufacture of spiral springs.
  • the modulus of elasticity of the diamond being about six times higher than that of the steel usually used for this purpose and its mechanical resistance to breaking being approximately ten times higher than that of steel, it is possible, for a determined oscillation frequency, to greatly reduce the cross section. , respectively the mass of the spiral spring diamond.
  • the low density of the diamond further enhances this effect.
  • Such a spiral diamond spring despite its small section, will have a much better impact resistance than conventional hairspring because the stresses to which it is subjected mainly depend on its mass and its acceleration.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Micromachines (AREA)

Claims (7)

  1. Spiralfeder (4), die als Teil eines Uhrwerks bestimmt ist und von dem Uhrwerk bewegt wird, dadurch gekennzeichnet, dass die Spiralfeder (4) vollkommen aus Diamant gefertigt ist.
  2. Spiralfeder (4) nach Anspruch 1, dadurch gekennzeichnet, dass sie aus einer Diamantscheibe gefertigt ist.
  3. Spiralfeder (4) nach Anspruch 2, dadurch gekennzeichnet, dass sie durch Gravieren einer Diamantscheibe gefertigt ist.
  4. Spiralfeder (4) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der für ihre Herstellung verwendete Diamant ein synthetischer Diamant ist.
  5. Spiralfeder (4) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Windungen (41) der Feder aus einem einzigen Teil mit mindestens einem End-Befestigungsflansch (40, 42) hergestellt sind.
  6. Spiralfeder (4) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, das der Querschnitt der Windungen (41) über die Länge der Spiralfeder variiert.
  7. Uhr, die mindestens eine Spiralfeder (4) nach einem der Ansprüche 1 bis 6 umfasst.
EP03702274A 2002-09-25 2003-03-04 Mechanische teile Expired - Lifetime EP1543386B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH16172002 2002-09-25
CH161702 2002-09-25
CH185802 2002-11-06
CH18582002 2002-11-06
PCT/CH2003/000151 WO2004029733A2 (fr) 2002-09-25 2003-03-04 Pieces mecaniques

Publications (2)

Publication Number Publication Date
EP1543386A2 EP1543386A2 (de) 2005-06-22
EP1543386B1 true EP1543386B1 (de) 2008-10-22

Family

ID=32043807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03702274A Expired - Lifetime EP1543386B1 (de) 2002-09-25 2003-03-04 Mechanische teile

Country Status (5)

Country Link
EP (1) EP1543386B1 (de)
AT (1) ATE412205T1 (de)
AU (1) AU2003205503A1 (de)
DE (1) DE60324292D1 (de)
WO (1) WO2004029733A2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1654597B1 (de) * 2003-08-13 2009-11-11 Fore Eagle Co Ltd Unruh mit thermokompensation
EP1837721A1 (de) * 2006-03-24 2007-09-26 ETA SA Manufacture Horlogère Suisse Mikromechanisches Bauteil aus Isoliermaterial und Herstellungsverfahren dafür
KR20070096834A (ko) 2006-03-24 2007-10-02 에타 쏘시에떼 아노님 마누팍투레 홀로게레 스위세 절연성 물질로 만들어지는 미세-기계 부분 및 상기 부분을제조하기 위한 방법
EP1837722B1 (de) * 2006-03-24 2016-02-24 ETA SA Manufacture Horlogère Suisse Mikromechanisches Bauteil aus Isoliermaterial und Herstellungsverfahren dafür
EP1850193B1 (de) * 2006-04-28 2019-06-12 Patek Philippe SA Genève Verfahren zur Einpressung eines Teils in ein anderes Teil
EP2102717B1 (de) 2006-12-21 2013-06-26 CompliTime S.A. Mechanischer oszillator für uhr
CH706020B1 (fr) 2007-09-07 2013-07-31 Patek Philippe Sa Geneve Ressort-moteur pour barillet de mouvement d'horlogerie présentant une durée de marche accrue.
EP2107433B1 (de) * 2008-04-02 2016-07-27 Manufacture et fabrique de montres et chronomètres, Ulysse Nardin Le Locle S.A. Montageverfahren eines Bauteils auf eine Welle
CH700640B1 (fr) 2009-03-19 2014-09-30 Mhvj Manufacture Horlogère Vallée De Joux Pièce d'horlogerie allegée et renforcée.
CH700657B1 (fr) * 2009-03-24 2014-10-15 Louis Vuitton Malletier Sa Montre mystérieuse.
EP2233989A1 (de) * 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Spiralfeder und ihre Reguliereinrichtung
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.
EP2363762B1 (de) * 2010-03-04 2017-11-22 Montres Breguet SA Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP2581794A1 (de) * 2011-10-14 2013-04-17 The Swatch Group Research and Development Ltd. Funktionelle Mikromechanikanordnung
EP2734897A1 (de) * 2011-07-21 2014-05-28 The Swatch Group Research and Development Ltd. Mikromechanische funktionelle anordnung
EP2549339A1 (de) * 2011-07-21 2013-01-23 The Swatch Group Research and Development Ltd. Mikromechanische Funktionsanordnung
CH708925A1 (fr) 2013-12-05 2015-06-15 Tgm Développement Sa C O Etude Tissot Pièce mécanique en diamant pour mouvement de montre.
CH708926A3 (fr) 2013-12-05 2015-07-31 Tgm Développement Sa C O Etude Tissot Pièce mécanique en diamant et procédé de fabrication d'une pièce mécanique en diamant pour mouvement de montre.
JP6347439B2 (ja) * 2014-03-06 2018-06-27 セイコーインスツル株式会社 脱進機、時計用ムーブメントおよび時計
JP6206877B2 (ja) * 2014-03-06 2017-10-04 セイコーインスツル株式会社 脱進機、時計用ムーブメントおよび時計

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US209642A (en) * 1878-11-05 Improvement in balance-springs for time-keepers
DE7112818U (de) * 1971-04-02 1973-04-19 Haas C Spiralfeder
JPS4965864A (de) * 1972-10-24 1974-06-26
FR2739494B1 (fr) * 1995-09-29 1997-11-14 Suisse Electronique Microtech Procede de fabrication de pieces de micromecanique ayant une partie en diamant constituee au moins d'une pointe, et pieces de micromecanique comportant au moins une pointe en diamant
CH691008A5 (fr) * 1997-01-15 2001-03-30 Rado Montres Sa Verre de montre inrayable et transparent et boîte de montre équipée d'un tel verre.
US6755566B2 (en) * 2001-02-15 2004-06-29 Konrad Damasko Clockwork

Also Published As

Publication number Publication date
WO2004029733A3 (fr) 2004-07-08
AU2003205503A8 (en) 2004-04-19
EP1543386A2 (de) 2005-06-22
AU2003205503A1 (en) 2004-04-19
ATE412205T1 (de) 2008-11-15
WO2004029733A2 (fr) 2004-04-08
DE60324292D1 (de) 2008-12-04

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