Entries |
Document | Title | Date |
20140160900 | FUNCTIONAL MICROMECHANICAL ASSEMBLY - A functional micromechanical timepiece assembly including at least a first component, including a first layer defining a first contact surface configured to come into friction contact with a second contact surface defined by a second layer, the second layer belonging, either to the first component, or to at least a second micromechanical component forming the assembly with the first component. The first and second layers each include carbon with at least 50% carbon atoms and, on the first and second contact surfaces, the layers have different surface crystalline plane orientations from each other. | 06-12-2014 |
20140198624 | PART FOR A TIMEPIECE MOVEMENT - The invention relates to a pivot pin for a timepiece movement including at least one pivot at at least one of the ends thereof, characterized in that said at least one pivot is formed of a composite material having a metallic matrix including at least one metal selected from among nickel, titanium, chromium, zirconium, silver, gold, platinum, silicon, molybdenum, aluminium or an alloy of the above metals, said matrix being charged with hard particles selected from among WC, TiC, TaC, TiN, TiCN, Al2O3, ZrO2, Cr2O3, SiC, MoSi2, Al N or a combination thereof, so as to limit the sensitivity of the pin to magnetic fields. | 07-17-2014 |
20140198625 | PART FOR A TIMEPIECE MOVEMENT - The invention relates to a metal pivot pin including a pivot at each of its ends, wherein the metal is an austenitic steel, an austenitic cobalt alloy or an austenitic nickel alloy in order to limit the sensitivity of the pin to magnetic fields and in that at least the outer surface of one of the two pivots is hardened to a predetermined depth relative to the rest of the pin in order to harden the pivot(s). | 07-17-2014 |
20140328149 | OVERMOULDED TIMEPIECE WHEEL - Timepiece wheel ( | 11-06-2014 |
20150323901 | TIMEPIECE ESCAPEMENT MECHANISM WITHOUT LUBRICATION - Timepiece escapement mechanism with improved tribology, including a first component and a second component respectively including a first friction surface and a second friction surface arranged to cooperate in contact with each other, wherein the second friction surface includes at least one silicon-based material taken from a group including silicon, silicon dioxide, amorphous silicon, polycrystalline silicon, porous silicon, or a mixture of silicon and silicon oxide, and wherein the first friction surface is formed by the surface of a solid element which is made of solid silicon nitride in the stoichiometric formulation Si | 11-12-2015 |
20150331391 | TIMEPIECE MECHANISM HAVING A CONTACT PAIR WITH NO LUBRICATION - A timepiece mechanism comprising including a pair of components with a first component including a material taken from a first group including solid monocrystalline, natural diamond, micro- or nano-crystalline CVD diamond, solid monocrystalline diamond, and amorphous carbon “DLC”, and having a first friction surface arranged to cooperate with a second friction surface included in a second opposing component and the second component includes, at least in its second friction surface, a material with a high concentration of boron, greater than | 11-19-2015 |
20150378309 | PART FOR A TIMEPIECE MOVEMENT - A metal pivot pin includes at least one pivot at at least one of its ends, and the metal is an austenitic steel, an austenitic cobalt alloy, or an austenitic nickel alloy in order to limit a sensitivity of the pin to magnetic fields. At least an outer surface of the at least one pivot is hardened to a predetermined depth relative to the rest of the pin in order to harden the at least one pivot. | 12-31-2015 |