Nivarox-far S.a.

The Swatch Group Research and Development Ltd

Montres Breguet S.a.

Eta Sa Manufacture Horlogere Suisse

Omega Sa

Pierre Cusin

Marco Verardo

Jean-Philippe Thiebaud

Alex Gandelhman

Ivan Hernandez

Marc Stranczl

Daniel Mallet

Thierry Conus

Jean-Bernard Peters

Raphael Garret

Davy Cretenet

Pascal Winkler

Christian Charbon

Emmanuel Graf

Gianni Di Domenico

Dominique Lechot

Jerome Favre

Baptiste Hinaux

Olivier Matthey

Jean-Luc Helfer

Arthur Queval

Laurent Klinger

David Richard

Thierry Hessler

Raphael Courvoisier

Alain Zaugg

Polychronis Nakis Karapatis

Jérôme Favre

Philippe Dubois

Nakis Karapatis

Lionel Paratte

Matthias Imboden

Jean-Luc Bazin

Andrés Cabezas Jurin

Alexandre Haemmerli

Christophe Bifrare

Raphaël Courvoisier

Clare Golfier

Michel Musy

Pierre-André Bühler

Frédéric Vaucher

Fatmir Salihu

Philomène Berger

Philippe Barthoulot

Laurent Jeanneret

Lucie Brocher

Romain Le Moal

Daniel Vicente

Alexandre Fussinger

Patrice Golay

Hung Quoc Tran

Detlef Steinmuller

Geoffrey Chassin

Maxime Govaerts

Frederic Tolle

Doris Steinmuller

Herwig Drexel

Slimane Ghodbane

Detlef Steinmüller

Pierre-André Buhler

Jean-Phillipe Thiebaud

Frédéric Tolle

Anguel Kostadinov

Gerard Vorpe

Doris Steinmüller

Gérard Vorpe

Dominique Léchot

Alex Gandelhmam

Martial Chabloz

Piotr Mazanowski

Raphaël Garret

Jean-Philippe THIÉBAUD

A barrel () for self-winding timepiece including a drum () provided with an inner lateral wall () and a mainspring () forming a winding including an outer coil () the end () of which is friction coupled with the inner lateral wall and free to slip against the inner lateral wall in the event of overtension of the mainspring (). The end of the outer coil includes an external face () having two friction surfaces () disposed in the top and bottom portion of the outer coil and arranged to be in contact with the inner lateral wall in such a way that the portion between the friction surfaces, referred to as central portion (), is not in contact with the inner lateral wall, the central portion forming a reservoir () for a lubricant between the two friction surfaces.

Barrel for timepiece

There is provided a method for manufacturing a batch of horological balance springs (a), the average of whose stiffnesses lies within a predetermined range, and the method includes forming in a wafer the horological balance springs (b,c) with dimensions that differ from the dimensions required to obtain the batch of horological balance springs (a), the average of whose stiffnesses lies within the predetermined range, determining the stiffnesses of the systems, computing a dimensional correction to be applied to the horological balance springs, and modifying the dimensions of the horological balance springs (b,c) formed, on the basis of a dimensional correction computed to obtain the batch of horological balance springs (a).

Method for manufacturing horological balance springs

A method produces an assembly of an elastic holding member-timepiece component assembly with a support element. The elastic holding member is made of an electrically insulating material and the support element is made of an electrically conductive material. The method includes mounting the assembly with the support element aiming to define at least one zone for receiving at least one element for blocking a movement of the holding member relative to the support element, and producing by galvanic metal growth the at least one blocking element on at least one of the reception zones.

Method for producing an assembly of an elastic holding member-timepiece component assembly with a support element

A method for manufacturing a silicon timepiece component () with a functional external profile.

Method for manufacturing a silicon balance spring

A timepiece oscillator structure includes at least one divisible unit, which includes at least one component which includes at least one flexible blade or at least one blade with necks, joining two main units, each more rigid than the flexible blade or blade with necks, where the divisible unit includes at least one protection unit adjacent to at least one main unit to which it is connected by at least one divisible linkage which is designed in order to make possible the detachment of this protection unit from the component when the component is fixed, with at least the particular main unit which is adjacent to the protection unit, to a more rigid external element than the flexible blade or than the necks of the blade with necks.

Timepiece oscillator structure with a divisible element

An elastic retaining member for attaching a timepiece component to a support element, includes an opening into which the support element is likely to be inserted, the retaining member includes rigid arms and elastic arms defined between connecting zones helping to ensure elastic clamping of the support element in the opening the rigid arms being provided with the only contact zones of the retaining member with the support element and in that, the rigid or elastic arms each extend longitudinally between connecting zones, the rigid arms and the elastic arms being arranged in the retaining member successively and alternately and each rigid arm has a volume of material greater than the volume of material constituting each elastic arm.

Elastic retaining member for attaching a timepiece component to a support element

A flexible horological component for an oscillator mechanism of a horological movement, the component extending along a principal plane (P) and including at least a part made of a composite material (), the composite material () including a matrix () and a multitude of nanotubes or nanowires () distributed in the matrix (), the nanotubes or nanowires () being juxtaposed and disposed substantially parallel with an axis (A) substantially perpendicular to the plane (P) of the component, the matrix including a flexible filling material () to fill the interstices between the nanotubes or nanowires (), the filling material () comprising at least in part a thermal compensation material wherein the thermoelastic coefficient (TEC) is of the opposite sign to that of the other materials of the composite material ().

Flexible horological component, particularly for an oscillator mechanism, and horological movement including such a component

A holding member for fixing a timepiece component on support elements of different cross section includes an opening into which each support element can be inserted, the holding member having structural elements together forming a body configured to ensure mounting of each support element in the opening. Each of the structural elements includes a first structural sub-element and a second structural sub-element, the first structural sub-element including a volume of material greater than a volume of material constituting the second structural sub-element. The holding member includes a connecting portion ensuring the mounting of each of the support elements in the holding member, the portion being defined on an inner face of the first structural sub-element.

Elastic holding member for fixing a timepiece component on different support elements

A spiral spring for a timepiece resonator mechanism, the spiral spring extending substantially in a plane and including a flexible blade wound on itself in several turns and a setting device for modifying the effective length of the wound blade, the setting device including a clamp movable along at least one ending portion of the spiral spring, the clamp extending substantially in the plane of the spiral spring, the clamp including two bearing faces arranged on either side of the wound blade in a multiplicity of positions so as to define a variable effective length of the spiral spring, the clamp and the wound blade being linked to each other by a flexible element allowing the clamp and the bearing faces to be displaced along the wound blade.

Spiral spring for timepiece resonator mechanism provided with means for setting the effective length of the spiral spring

A method for fabricating a metallic timepiece component, wherein the method includes the steps of forming, via a UV-LIGA type process combined with hot stamping, a multi-level photosensitive resin mould and electroplating a layer of at least one metal from at least two conductive layers to form a block that substantially reaches the upper surface of the photosensitive resin.

Method of fabricating a timepiece component and component obtained from this method

An elastic retaining member is for attaching a horological component to a support element. The retaining includes an opening into which the support element is capable of being inserted. The retaining member also includes rigid arms and elastic arms defined between the connection zones of the retaining member. The arms contribute to procuring elastic gripping of the support element in the opening, each rigid arm being provided with a single convex contact zone of the retaining member capable of engaging with a corresponding convex contact portion of the support element.

Elastic retaining member for fastening a horological component to a support element

A method for manufacturing metal horological components, includes the steps of forming a multilevel mould made of a photosensitive resin, with a UV-LIGA method, and galvanically depositing a layer of at least one metal starting from a conductive layer in order to form a block that substantially reaches the upper surface of the photosensitive resin.

Method for manufacturing a horological component and component produced according to said method

An elastic securing organ for fastening a horological component on a support element including an outer peripheral wall capable of being connected to said horological component and an inner peripheral wall defining a triangular-shaped opening wherein the support element is capable of being inserted, the elastic securing organ includes elastic arms each forming one side of the triangular opening and helping ensure the gripping of the support element in the opening, each arm including: at least one cut-out defined completely or partially along the body of said arm, an elastic contact zone with the support element, and elastic peripheral zones which extend between this contact zone and the ends of this elastic arm, the contact zone having a greater quantity of material than the quantity of material forming each of the peripheral zones thereof.

Elastic securing organ for fastening a horological component on a support element

A rigid horological component () for an oscillator mechanism or for an escapement mechanism of a horological movement, the component extending along a principal plane (P) and including at least a part made of a composite material (), the composite material () including a matrix () and a multitude of nanotubes or nanowires () distributed in the matrix (), the nanotubes or nanowires () being juxtaposed and disposed substantially parallel with an axis (A) substantially perpendicular to the plane (P) of the component, the matrix () includes a rigid material () to fill the interstices and join the nanotubes or nanowires () to one another, the material () having rigid mechanical properties to block the elastic deformation of the component, the rigid material () comprised in the component having a Young's modulus greater than 2 GPa.

Rigid horological component for an oscillator mechanism or for an escapement mechanism and horological movement including such a component

A flexible timepiece component, in particular for an oscillator mechanism or for a barrel of a horological movement, the component extending along a main plane (P) and including at least a part made of a composite material (), the composite material () including a matrix () and a multitude of nanowires () distributed in the matrix (), the nanowires () being juxtaposed, the matrix () including a material () for filling the interstices between the nanowires () to join them to each other, each nanowire () forming a solid one-piece tube, the nanowires () being disposed substantially parallel to an axis (A) substantially perpendicular to the main plane (P) of the component ().

Flexible timepiece component and horological movement including such a component

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Villars-Burquin, Switzerland

Pierre Cusin