Patents by Inventor Frédéric Kohler
Frédéric Kohler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11822289Abstract: Disclosed is a method including: a) obtaining a substrate extending in a predetermined plane with a first layer parallel to the plane; b) forming a through-hole in the first layer; c) depositing a second layer on the first, the second layer filling the a through-hole to form a bridge of material; d) etching a hairspring in an etching layer made up of the second layer or the substrate, the one of the second layer and the substrate in which the a hairspring is not etched constituting a support, the bridge of material connecting the hairspring to the support perpendicular to the predetermined plane; e) removing the first layer, the hairspring remaining attached to the support by the bridge of material; f) subjecting the hairspring to a thermal treatment; and g) detaching the hairspring from the support.Type: GrantFiled: February 21, 2019Date of Patent: November 21, 2023Assignee: CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DEVELOPPEMENTInventors: Michel Despont, Frédéric Kohler, Olivier Hunziker, Jean-Luc Bucaille
-
Publication number: 20230305492Abstract: Micromechanical component, particularly a timepiece wheel, particularly an escapement wheel, including a substrate with a first material including at least nickel and phosphorus, which substrate is covered, on at least one surface of the substrate of the wheel, by a coating of a second material including at least nickel and poorer in phosphorus than the first material, or devoid of phosphorus, and the second material constitutes the peripheral layer of the wheel at this at least one surface of the substrate.Type: ApplicationFiled: August 31, 2021Publication date: September 28, 2023Applicant: ETA SA Manufacture Horlogere SuisseInventors: Serge NICOUD, Samuel VIGNIER, Sébastien RODER, Jean-Luc HELFER, Christian CHARBON, Frédéric KOHLER
-
Publication number: 20230288872Abstract: A method for manufacturing a timepiece wheel, according to which a substrate is produced with a first material including at least nickel and phosphorus, the substrate is shaped to the geometry of the wheel, and a coating of the substrate is performed, galvanically and/or chemically, on at least one surface of the substrate of the wheel, with at least one second material, which constitutes the peripheral layer of the wheel at the at least one surface of the substrate of the wheel, and which includes at least nickel and which is poorer in phosphorus than the first material, or which includes nickel and is devoid of phosphorus.Type: ApplicationFiled: August 31, 2021Publication date: September 14, 2023Applicant: ETA SA Manufacture Horlogère SuisseInventors: Serge NICOUD, Samuel VIGNIER, Sébastien RODER, Jean-Luc HELFER, Christian CHARBON, Frédéric KOHLER
-
Publication number: 20230136065Abstract: The method for manufacturing a timepiece component is capable of thermocompensating a functional assembly including the timepiece component. The method includes at least the following actions: a) providing (e1) a substrate (1) of semiconductor or metallic material; b) proceeding with the deposition (e2) of a polycrystalline or monocrystalline silicon layer (5) on the substrate (1); c) releasing (e4) the timepiece component (10) from the substrate (1).Type: ApplicationFiled: February 18, 2021Publication date: May 4, 2023Applicant: ROLEX SAInventors: Jean-Luc Bucaille, Olivier Hunziker, Frédéric Kohler
-
Publication number: 20220235438Abstract: An assembly (10), in particular fora timepiece, including a rotary wheel and a bearing, like a jewel (20), the rotary wheel being provided with at least one pivot (17) including at least partly a non-magnetic material, preferably entirely, the bearing including a face (6) provided with a hole (8) formed in the body of the bearing and with a functional geometry at the entrance of the hole (8), wherein the functional geometry has the shape of a cone (12), and wherein the non-magnetic material of the pivot (17) includes an alloy to be chosen from materials containing copper, materials containing palladium or materials containing aluminium.Type: ApplicationFiled: December 29, 2021Publication date: July 28, 2022Applicant: ETA SA Manufacture Horlogère SuisseInventors: Cyril RUCHTI, Xavier BERDAT, Frédéric KOHLER
-
Publication number: 20200379408Abstract: Disclosed is a method including: a) obtaining a substrate extending in a predetermined plane with a first layer parallel to the plane; b) forming a through-hole in the first layer; c) depositing a second layer on the first, the second layer filling the a through-hole to form a bridge of material; d) etching a hairspring in an etching layer made up of the second layer or the substrate, the one of the second layer and the substrate in which the a hairspring is not etched constituting a support, the bridge of material connecting the hairspring to the support perpendicular to the predetermined plane; e) removing the first layer, the hairspring remaining attached to the support by the bridge of material; f) subjecting the hairspring to a thermal treatment; and g) detaching the hairspring from the support.Type: ApplicationFiled: February 21, 2019Publication date: December 3, 2020Inventors: Michel DESPONT, Frédéric KOHLER, Olivier HUNZIKER, Jean-Luc BUCAILLE
-
Method for fabrication of a balance spring of a predetermined stiffness by local removal of material
Patent number: 10338528Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions of increased thickness, determining the stiffness of the balance spring formed in step a) in order to remove, locally, a volume of material, in order to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: GrantFiled: November 18, 2016Date of Patent: July 2, 2019Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA—Recherche et developpementInventors: Frederic Kohler, Jean-Luc Bucaille, Olivier Hunziker -
Patent number: 10324418Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions to obtain a deliberately lower stiffness, determining the stiffness of the balance spring formed in step a) in order to compensate for said missing thickness of material required to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: GrantFiled: December 8, 2016Date of Patent: June 18, 2019Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et développementInventors: Frederic Kohler, Jean-Luc Bucaille, Olivier Hunziker
-
METHOD FOR FABRICATION OF A BALANCE SPRING OF A PREDETERMINED STIFFNESS BY LOCAL REMOVAL OF MATERIAL
Publication number: 20170176941Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions of increased thickness, determining the stiffness of the balance spring formed in step a) in order to remove, locally, a volume of material, in order to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: ApplicationFiled: November 18, 2016Publication date: June 22, 2017Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et developpementInventors: Frederic KOHLER, Jean-Luc BUCAILLE, Olivier HUNZIKER -
Publication number: 20170176942Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions to obtain a deliberately lower stiffness, determining the stiffness of the balance spring formed in step a) in order to compensate for said missing thickness of material required to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: ApplicationFiled: December 8, 2016Publication date: June 22, 2017Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et developpementInventors: Frederic KOHLER, Jean-Luc BUCAILLE, Olivier HUNZIKER
-
Patent number: 9457536Abstract: An assembly of a member, made of a first material in an aperture of a part, made of a second material having no plastic domain, using an intermediate part made of a third material, mounted between the member and the part. The intermediate part includes a hole for receiving the member. The part includes pierced holes forming a deformation mechanism distributed around the aperture thereof. The elastically and plastically deformed intermediate part radially grips the member and stresses the elastic deformation mechanism of the part so as to secure the assembly in a manner that is not destructive for the part. Such an assembly can for example be used in the field of timepieces.Type: GrantFiled: November 22, 2011Date of Patent: October 4, 2016Assignee: ETA SA MANUFACTURE HORLOGERE SUISSEInventors: Thierry Conus, Marco Verardo, Igor Saglini, Frederic Kohler
-
Patent number: 9128463Abstract: An assembly of an axially extending member, made of a first material, in an aperture of a part, made of a second material having no plastic domain. The part includes pierced holes forming an elastic deformation mechanism distributed around the aperture thereof. Further, the member includes an elastically and plastically deformed, radially flared portion that radially grips a wall of the part surrounding the aperture by stressing the elastic deformation mechanism, so as to secure the assembly in a manner that is not destructive for the part. The assembly can be used in the field of timepieces.Type: GrantFiled: November 22, 2011Date of Patent: September 8, 2015Assignee: ETA SA Manufacture Horlogere SuisseInventors: Thierry Conus, Marco Verardo, Igor Saglini, Frederic Kohler
-
Patent number: 8944676Abstract: An assembly including a member made of a first material, which is axially driven into a circular aperture of a part made of a second material that is brittle, using an intermediate part made of a third material and mounted between the member and the part is disclosed. The intermediate part is a continuous cylinder including a hole for receiving the member so that the intermediate part absorbs radially and in a uniform manner, at least part of the axial driving force of the member. The part includes pierced holes forming elastic deformation units distributed around the circular aperture thereof for absorbing any of the radial force not absorbed by the intermediate part, so as to secure the assembly in a non-destructive manner for the part.Type: GrantFiled: October 12, 2011Date of Patent: February 3, 2015Assignee: ETA SA Manufacture Horlogére SuisseInventors: Thierry Conus, Marco Verardo, Frédéric Kohler, Igor Saglini, Andrés Cabezas Jurin, Jacques Jacot, Maxence Perret-Gentil
-
Publication number: 20130309446Abstract: An assembly of a member, made of a first material in an aperture of a part, made of a second material having no plastic domain, using an intermediate part made of a third material, mounted between the member and the part. The intermediate part includes a hole for receiving the member. The part includes pierced holes forming a deformation mechanism distributed around the aperture thereof. The elastically and plastically deformed intermediate part radially grips the member and stresses the elastic deformation mechanism of the part so as to secure the assembly in a manner that is not destructive for the part. Such an assembly can for example be used in the field of timepieces.Type: ApplicationFiled: November 22, 2011Publication date: November 21, 2013Applicant: ETA SA MANUFACTURE HORLOGERE SUISSEInventors: Thierry Conus, Marco Verardo, Igor Saglini, Frederic Kohler
-
Publication number: 20130286795Abstract: An assembly of an axially extending member, made of a first material, in an aperture of a part, made of a second material having no plastic domain. The part includes pierced holes forming an elastic deformation mechanism distributed around the aperture thereof. Further, the member includes an elastically and plastically deformed, radially flared portion that radially grips a wall of the part surrounding the aperture by stressing the elastic deformation mechanism, so as to secure the assembly in a manner that is not destructive for the part. The assembly can be used in the field of timepieces.Type: ApplicationFiled: November 22, 2011Publication date: October 31, 2013Applicant: ETA SA Manufacture Horlogere SuisseInventors: Thierry Conus, Marco Verardo, Igor Saglini, Frederic Kohler
-
Publication number: 20120090933Abstract: An assembly including a member made of a first material, which is axially driven into a circular aperture of a part made of a second material, having no plastic domain, using an intermediate part made of a third material and mounted between the member and the part is disclosed. The intermediate part is a continuous cylinder including a hole for receiving the member so that the intermediate part absorbs radially and in a uniform manner, at least part of the axial driving force of the member. The part includes pierced holes forming elastic deformation units distributed around the circular aperture thereof for absorbing any of the radial force not absorbed by the intermediate part, so as to secure the assembly in a non-destructive manner for the part.Type: ApplicationFiled: October 12, 2011Publication date: April 19, 2012Applicant: ETA SA MANUFACTURE HORLOGERE SUISSEInventors: Thierry CONUS, Marco Verardo, Frédéric Kohler, Igor Saglini, Andrés Cabezas Jurin, Jacques Jacot, Maxence Perret-Gentil