EP2082014B1 - Watch - Google Patents

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Publication number
EP2082014B1
EP2082014B1 EP07816221.1A EP07816221A EP2082014B1 EP 2082014 B1 EP2082014 B1 EP 2082014B1 EP 07816221 A EP07816221 A EP 07816221A EP 2082014 B1 EP2082014 B1 EP 2082014B1
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EP
European Patent Office
Prior art keywords
ruby
steel
watch according
glycerol
groups
Prior art date
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Active
Application number
EP07816221.1A
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English (en)
French (fr)
Other versions
EP2082014A2 (de
Inventor
Jean-Marc Bonard
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.)
Rolex SA
Original Assignee
Rolex 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 Rolex SA filed Critical Rolex SA
Priority to EP07816221.1A priority Critical patent/EP2082014B1/de
Publication of EP2082014A2 publication Critical patent/EP2082014A2/de
Application granted granted Critical
Publication of EP2082014B1 publication Critical patent/EP2082014B1/de
Active legal-status Critical Current
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/10—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M105/14—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms polyhydroxy
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/08—Lubrication
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids

Definitions

  • the present invention relates to a watch, in particular to a mechanical watch, of which at least some of the moving parts are lubricated by agents with a very low coefficient of friction.
  • the lubrication is ensured between the parts in relative motion, generally steel and ruby, by oils well known in the technical field considered, which produce low coefficients of friction, for example ⁇ 0.1 at the temperature of 23 ° C.
  • oils well known in the technical field considered, which produce low coefficients of friction, for example ⁇ 0.1 at the temperature of 23 ° C.
  • PAO polyalphaolefin
  • GMO glycerol monooleate
  • Such a watch includes a first relatively sliding piece on a second piece, the first piece being formed of oxide or having an oxide layer on the surface, the sliding surface having a chemical affinity with hydrophilic groups, as well as, on the sliding surface of the first part, at least one compound containing one or more hydrophilic groups chosen from C 3 -C 9 polyols having at least one-third of -OH groups relative to the number of carbon atoms.
  • This compound may be a mixture and may contain, for example, another substance containing hydrophilic groups, such as water.
  • the C 3 -C 9 polyol may be chosen for example from the group comprising glycerol (C 3 H 8 O 3 ), propylene glycol (C 3 H 8 O 2 ), diethylene glycol (C 4 H 10 O 3 ), 1,6-hexanediol (C 6 H 14 O 2 ), 1,2,6-hexanetriol (C 6 H 14 O 3 ), triethylene glycol (C 6 H 14 O 4 ), diglycerol (C 6 H 14 O 5 ), triglycerol (C 9 H 20 O 7 ), triethanolamine (C 6 H 15 NO 3 ).
  • the carbon chain of the polyol may comprise O or N.
  • Glycerol is a C 3 alcohol containing 3 -OH groups, propylene glycol a C 3 alcohol containing 2 -OH groups, diethylene glycol a C 4 alcohol comprising 2 -OH groups and 1 O atom in the chain, 1,6-hexanediol a C 6 alcohol comprising 2 -OH groups, 1,2,6-hexanetriol a C 6 alcohol comprising 3 -OH groups, triethylene glycol a C 6 alcohol comprising 2 -OH groups and two O atoms in the chain, the diglycerol a C 6 alcohol comprising 4 -OH groups and 1 O atom in the chain, the triglycerol a C 9 alcohol comprising 5 -OH groups and 2 O atoms in the chain and triethanolamine a C 6 alcohol comprising 3 -OH groups and an N atom.
  • the second surface may also have a chemical affinity with hydrophilic groups and be, for example formed of oxide or have on the surface an oxide layer, as well as the first surface. It can also be metallic or metal alloy.
  • one of the relative sliding parts may be ceramic, in particular alumina or zirconia, more particularly ruby or sapphire
  • the other relatively sliding parts may be made of iron, steel, for example steel 20AP , or other alloy of iron, or of brass, aluminum, titanium, cuproberyllium, silicon, nickel, nickel-phosphorus or their alloys.
  • the part in question may be a part having a surface coating, obtained for example by galvanic deposition of gold, gold-copper-cadmium and gold, nickel, rhodium, tin-nickel. It may also have an anodized surface, as in the case of aluminum alloy parts or titanium. It can also be modified by a surface treatment such as oxidation, carburization or nitriding. Between the two relatively sliding parts may also be an intermediate layer called "epilame", well known in the watch industry and used to prevent the spreading of lubricants.
  • the compound comprising one or more hydrophilic groups is a low molecular weight polyol, for example glycerol or aqueous glycerol.
  • This compound acts as a lubricant forming a film or film between the two moving surfaces.
  • Examples 1 to 6 indicate the results obtained with aqueous glycerol on various pairs of surfaces, while Examples 7 to 17 give the results obtained with compounds other than glycerol for the same pair of 20AP steel-ruby surfaces.
  • the coefficient of friction a standard measure in watchmaking, expresses the dynamic friction and corresponds to the ratio between the tangential force exerted to maintain the relative movement between the two parts and the perpendicular force exerted on them.
  • 20AP steel is a hardening carbon steel made of 1% carbon, 0.4% manganese, 0.2% lead, 0.15% silicon, 0.05% sulfur, and iron for the balance.
  • the term "epilamed 20AP steel” is intended to denote a 20AP steel on which a conventional epilame has been deposited, in this case that sold under the trademark Fixodrop FK / BS-10 by Moebius et Fils in Allschwil (Switzerland).
  • Ruby is a synthetic ruby as commonly used in watchmaking and "85% glycerol" means a liquid composed of glycerol at 85% by weight and 15% by weight of water (mutatis mutandis for Examples 13, 14 and 16). ).
  • 941 Oil is a commercial oil manufactured by the same Moebius Company and is a mixture of one alkyl-aryl monooleate and two C 10 -C 13 diesters with anti-wear and extreme pressure additives; its viscosity measured at 20 ° C is 100 mm 2 / s.
  • PAO + GMO is a blend of polyalphaolefin synthetic oils (PAO) with a viscosity measured at 20 ° C of 100 mm 2 / s, and 1% of GMO additive (glycerol monooleate).
  • DLC diamond like carbon
  • the present invention relates to a watch, in particular to a mechanical watch, of which at least some of the moving parts are lubricated by agents with a very low coefficient of friction.
  • the lubrication is ensured between the parts in relative motion, generally steel and ruby, by oils well known in the technical field considered, which produce low coefficients of friction, for example ⁇ 0.1 at the temperature of 23 ° C.
  • oils well known in the technical field considered, which produce low coefficients of friction, for example ⁇ 0.1 at the temperature of 23 ° C.
  • PAO polyalphaolefin
  • GMO glycerol monooleate
  • This compound may be a mixture and may contain, for example, another substance containing hydrophilic groups, such as water.
  • the C 3 -C 9 polyol may be chosen for example from the group comprising glycerol (C 3 H 8 O 3 ), propylene glycol (C 3 H 8 O 2 ), diethylene glycol (C 4 H 10 O 3 ), 1,6-hexanediol (C 6 H 14 O 2 ), 1,2,6-hexanetriol (C 6 H 14 O 3 ), triethylene glycol (C 6 H 14 O 4 ), diglycerol (C 6 H 14 O 5 ), triglycerol (C 9 H 20 O 7 ), triethanolamine (C 6 H 15 NO 3 ).
  • the carbon chain of the polyol may comprise O or N.
  • Glycerol is a C 3 alcohol containing 3 -OH groups, propylene glycol a C 3 alcohol containing 2 -OH groups, diethylene glycol a C 4 alcohol comprising 2 -OH groups and 1 O atom in the chain, 1,6-hexanediol a C 6 alcohol comprising 2 -OH groups, 1,2,6-hexanetriol a C 6 alcohol comprising 3 -OH groups, triethylene glycol a C 6 alcohol comprising 2 -OH groups and two O atoms in the chain, the diglycerol a C 6 alcohol comprising 4 -OH groups and 1 O atom in the chain, the triglycerol a C 9 alcohol comprising 5 -OH groups and 2 O atoms in the chain and triethanolamine a C 6 alcohol comprising 3 -OH groups and an N atom.
  • the second surface may also have a chemical affinity with hydrophilic groups and be, for example formed of oxide or have on the surface an oxide layer, as well as the first surface. It can also be metallic or metal alloy.
  • one of the relative sliding parts may be ceramic, in particular alumina or zirconia, more particularly ruby or sapphire
  • the other relatively sliding parts may be made of iron, steel, for example steel 20AP , or other alloy of iron, or of brass, aluminum, titanium, cuproberyllium, silicon, nickel, nickel-phosphorus or their alloys.
  • the part in question may be a part having a surface coating, obtained for example by galvanic deposition of gold, gold-copper-cadmium and gold, nickel, rhodium, tin-nickel. It may also have an anodized surface, as in the case of aluminum alloy parts or titanium. It can also be modified by a surface treatment such as oxidation, carburization or nitriding. Between the two relatively sliding parts may also be an intermediate layer called "epilame", well known in the watch industry and used to prevent the spreading of lubricants.
  • the compound comprising one or more hydrophilic groups is a low molecular weight polyol, for example glycerol or aqueous glycerol.
  • This compound acts as a lubricant forming a film or film between the two moving surfaces.
  • Examples 1 to 6 indicate the results obtained with aqueous glycerol on various pairs of surfaces, while Examples 7 to 17 give the results obtained with compounds other than glycerol for the same pair of 20AP steel-ruby surfaces.
  • the coefficient of friction a standard measure in watchmaking, expresses the dynamic friction and corresponds to the ratio between the tangential force exerted to maintain the relative movement between the two parts and the perpendicular force exerted on them.
  • 20AP steel is a hardening carbon steel made of 1% carbon, 0.4% manganese, 0.2% lead, 0.15% silicon, 0.05% sulfur, and iron for the balance.
  • the term "epilamed 20AP steel” is intended to denote a 20AP steel on which a conventional epilame has been deposited, in this case that sold under the trademark Fixodrop FK / BS-10 by Moebius et Fils in Allschwil (Switzerland).
  • Ruby is a synthetic ruby as commonly used in watchmaking and "85% glycerol" means a liquid composed of glycerol at 85% by weight and 15% by weight of water (mutatis mutandis for Examples 13, 14 and 16). ).
  • 941 Oil is a commercial oil manufactured by the same Moebius Company and is a mixture of one alkyl-aryl monooleate and two C 10 -C 13 diesters with anti-wear and extreme pressure additives; its viscosity measured at 20 ° C is 100 mm 2 / s.
  • PAO + GMO is a blend of polyalphaolefin synthetic oils (PAO) with a viscosity measured at 20 ° C of 100 mm 2 / s, and 1% of GMO additive (glycerol monooleate).
  • DLC diamond like carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Sliding-Contact Bearings (AREA)

Claims (12)

  1. Uhr, bei der zumindest einige der beweglichen Teile mit Mitteln mit sehr geringem Reibungskoeffizient geschmiert sind, dadurch gekennzeichnet, dass sie umfasst:
    - ein erstes Teil, in relativer Gleitbewegung auf einem zweiten Teil und eine Epilamzwischenschicht zwischen den beiden Teilen, wobei das erste Teil aus einem Oxid gebildet ist oder eine Oxidschicht an der Oberfläche aufweist, wobei die Gleitfläche eine chemische Affinität zu hydrophilen Gruppen besitzt,
    - sowie, dass sie auf der Gleitfläche des ersten Teils, mindestens eine Zusammensetzung aufweist, umfassend eine oder mehrere hydrophile Gruppen, gewählt aus den C3-C9 Polyolen, die mindestens ein Drittel -OH Gruppen im Verhältnis zur Zahl der Kohlenstoffatome aufweisen.
  2. Uhr gemäß Anspruch 1, dadurch gekennzeichnet, dass das zweite Teil auch aus einem Oxid gebildet ist oder eine Oxidschicht an der Oberfläche aufweist, wobei die Gleitfläche auch eine chemische Affinität zu hydrophilen Gruppen aufweist.
  3. Uhr gemäß Anspruch 1, dadurch gekennzeichnet, dass das zweite Teil metallisch oder aus einer Metall-Legierung ist.
  4. Uhr gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das C3-C9 Polyol gewählt ist aus der Gruppe umfassend das Glycerin, das Propylenglykol, das Diethylenglykol, das 1,6-Hexandiol, das 1,2,6-Hexantriol, das Triethylenglykol, das Diglycerin, das Triglycerin, das Triethanolamin.
  5. Uhr gemäß Anspruch 1 oder 4, dadurch gekennzeichnet, dass das Polyol Wasser enthält.
  6. Uhr gemäß Anspruch 5, dadurch gekennzeichnet, dass das Polyol Glycerin oder wässriges Glycerin ist.
  7. Uhr gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass mindestens eines der Teile Aluminiumoxid enthält oder Zirkoniumoxid.
  8. Uhr gemäß Anspruch 7, dadurch gekennzeichnet, dass eines der Teile aus Rubin oder Zirkonium ist.
  9. Uhr gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das andere Teil aus Eisen, Stahl, Messing, Aluminium, Titan, Kupferberyllium, Silicium, Nickel, Nickel-Phosphor, oder aus ihren Legierungen ist, mit einer galvanischen oder nicht-galvanischen Oberflächenbeschichtung, mit einer anodischen, einer Oxidations-, einer Karburierungs- oder einer Nitrieroberflächenbehandlung, oder keiner Oberflächenbehandlung.
  10. Uhr gemäß einem der Ansprüche 1, 8 und 9, dadurch gekennzeichnet, dass das Teil aus Rubin oder aus Zirkonium eine Ankerpalette und das Teil aus Stahl ein Hemmungsrad ist.
  11. Uhr gemäß einem der Ansprüche 1, 8 und 9, dadurch gekennzeichnet, dass das Teil aus Rubin oder aus Zirkonium ein Lager und das Teil aus Stahl eine Achse ist.
  12. Uhr, bei der zumindest einige der beweglichen Teile mit Mitteln mit sehr geringem Reibungskoeffizient geschmiert sind, dadurch gekennzeichnet, dass sie umfasst:
    - ein erstes Teil, in relativer Gleitbewegung auf einem zweiten Teil, wobei das erste Teil aus einem Oxid gebildet ist oder eine Oxidschicht an der Oberfläche aufweist, wobei die Gleitfläche eine chemische Affinität zu hydrophilen Gruppen aufweist,
    - sowie dass sie auf der Gleitfläche des ersten Teils mindestens eine Zusammensetzung aufweist, umfassend eine oder mehrere hydrophile Gruppen, gewählt aus den C3-C9 Polyolen, die mindestens ein Drittel -OH Gruppen im Verhältnis zur Zahl der Kohlenstoffatome aufweisen, wobei die Zusammensetzung gewählt ist aus dem Glycerin, dem Propylenglykol, dem Diethylenglykol, dem 1,6-Hexandiol, dem 1,2,6-Hexantriol, dem Triethylenglykol, dem Diglycerin, dem Triglycerin, dem Triethanolamin.
EP07816221.1A 2006-11-02 2007-10-31 Watch Active EP2082014B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07816221.1A EP2082014B1 (de) 2006-11-02 2007-10-31 Watch

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06405460 2006-11-02
EP07816221.1A EP2082014B1 (de) 2006-11-02 2007-10-31 Watch
PCT/CH2007/000538 WO2008052378A2 (fr) 2006-11-02 2007-10-31 Montre

Publications (2)

Publication Number Publication Date
EP2082014A2 EP2082014A2 (de) 2009-07-29
EP2082014B1 true EP2082014B1 (de) 2018-02-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07816221.1A Active EP2082014B1 (de) 2006-11-02 2007-10-31 Watch

Country Status (3)

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EP (1) EP2082014B1 (de)
CH (1) CH698230B1 (de)
WO (1) WO2008052378A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024256041A3 (fr) * 2023-06-13 2025-05-01 The Swatch Group Research And Development Ltd Pièce mécanique fonctionnelle et son procédé de traitement de surface

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2120105A1 (de) * 2008-05-13 2009-11-18 Sigatec SA Verbessertes mikromechanisches Bauteil, das Schmierelemente umfasst
EP2226689A1 (de) * 2009-03-02 2010-09-08 Montres Breguet SA Brücke oder Werkplatte für Uhrwerk
EP2687580B1 (de) 2012-07-19 2018-04-11 Breitling AG Uhr
EP2865737A1 (de) * 2013-10-28 2015-04-29 The Swatch Group Research and Development Ltd. Edelprodukt aus Epilam
CH708998B1 (fr) * 2013-12-16 2018-08-31 Tgm Dev Sa C/O Etude Tissot Composant horloger et procédé pour réduire le coefficient de frottement d'un composant horloger.
EP3968096B1 (de) * 2020-09-15 2026-04-01 ETA SA Manufacture Horlogère Suisse Mikromechanische komponente, insbesondere eine uhrentriebfeder, insbesondere eine hemmungstriebfeder, mit optimierter kontaktfläche
EP3968095B1 (de) * 2020-09-15 2026-02-18 ETA SA Manufacture Horlogère Suisse Verfahren zur herstellung einer mikromechanischen komponente, insbesondere einer uhrentriebfeder, mit optimierter kontaktfläche
EP4075205B1 (de) * 2021-04-16 2024-12-11 ETA SA Manufacture Horlogère Suisse Verfahren zur herstellung einer uhrentriebfeder und durch dieses verfahren erhaltene uhrentriebfeder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2014748A1 (de) * 2006-04-28 2009-01-14 Nissan Motor Co., Ltd. Reibungsarme schmierungsanordnung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE379742A (de) * 1930-10-18
US2355616A (en) * 1940-12-28 1944-08-15 Elgin Nat Watch Co Lubricant
US2794037A (en) * 1954-03-01 1957-05-28 Hamilton Watch Co Nonspreading lubricant
CH347393A (de) * 1957-12-24 1960-06-30 Straumann Inst Ag Verfahren zum Schmieren der Reibungsflächen von in einem Gehäuse eingeschlossenen Teilen
FR1397862A (fr) * 1964-06-06 1965-04-30 Perfectionnements aux palettes d'ancre des mouvements d'horlogerie pour améliorer leur lubrification
CH1359373A4 (de) * 1973-09-21 1975-07-15
JP5155533B2 (ja) * 2006-02-16 2013-03-06 株式会社ミツトヨ 補正プログラム、及び測定装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2014748A1 (de) * 2006-04-28 2009-01-14 Nissan Motor Co., Ltd. Reibungsarme schmierungsanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024256041A3 (fr) * 2023-06-13 2025-05-01 The Swatch Group Research And Development Ltd Pièce mécanique fonctionnelle et son procédé de traitement de surface

Also Published As

Publication number Publication date
WO2008052378A3 (fr) 2008-08-14
CH698230B1 (fr) 2011-01-14
EP2082014A2 (de) 2009-07-29
WO2008052378A2 (fr) 2008-05-08

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