Class 29/896.3 - Watch or clock making

Subclass of Class 29 - Metal working
Definition: Process for manufacturing (a) a device especially adapted
No. of patents: 34
Last issue date: 03/04/2008

Number	Title	Issue Date
7337541	Automatic clasp for wristwatch strap A clasp and a production method thereof. The inventive clasp includes at least one main element (1) and at least one element (3) which pivots in relation to the main element. The clasp is characterised in that each of the aforementioned elements (1,...	03/04/2008
7302758	Manufacturing and mounting method of electrical contacts for control members of small dimensions, in particular for the horological field There is disclosed a method for manufacturing and mounting electric contacts for control members of small dimensions, particularly for control members used in the horological field. This method includes the following steps: a) stamping and pre-shaping a plate of ele...	12/04/2007
7237945	Oscillating system for mechanical timepiece An oscillating system for a mechanical timepiece includes an annular balance wheel arranged in a fixed manner coaxially in relation to a rotatably mounted balance staff. A helical spring encloses the balance staff and has its inner end fastened on the balance staff ...	07/03/2007
6920692	Wristwatch case and method of fixing pipe to wristwatch case One wristwatch case, wherein a pipe is fixedly connected thereto and a connection interface between the wristwatch case and the pipe is not present substantially; the method of fixing the wristwatch, comprising the steps of providing a through-hole in the wristwatch...	07/26/2005
6798722	Hand and timepiece using the hand To provide a hand, free from hand deviation and disengagement, having integrated engaging and wing portions and formed of a low-density material. A hand body has a wing portion for pointing a position and an engaging portion for engagement with a spindle of a...	09/28/2004
6695468	Watches and method for their production Several watches (1.1-1.4) are placed in an arrangement and interconnected by connecting means (2.1-2.3). The watches (1.1-1.4) have cover glasses (11.1-11.4), dials (12.1-12.4), cases (13.1-13.4), winders (14.1-14.4) and time indicating means (15.1-15.4)....	02/24/2004
6637301	Production method of thin plate and thin plate support for chucking employed in the method A production method of a thin plate includes preparing a thin plate support with a receptacle cavity having a bottom surface formed with a complementary three-dimensional pattern with a three-dimensional pattern of one side surface of a machining object, ...	10/28/2003
6575619	Method for assembling a casing ring in a watch case and casing ring for such method The method for assembling and fixing a casing ring (3) in a watch case (6) uses a ring made of plastically deformable material fitted with means (60, 70) forming a single piece with the ring and capable of positioning it with respect to the case. The ring...	06/10/2003
6519853	Method of manufacturing hand for analog electronic timepiece A pair of parallel rectangular windows are punched out in a thin sheet base material having the same thickness as that of a short hand part (13) including a weight part (13a) of a second hand (10) so as to form a hand forming part between the pair of wind...	02/18/2003
6082001	Method for manufacturing a clockwork wheel A clockwork wheel (1) including a plate (3) provided with a first series of peripheral teeth (4) and a second series of teeth (5) arranged at right angles to the plate is manufactured in a strip of steel suitable for stamping and by means of a progressive...	07/04/2000
5694689	Method of mainspring removal tool for mainspring removal A tool provides a means for easily and safely removing a timepiece mainspring from its barrel for cleaning and lubricating. A barrel holder is provided having a rim, and an essentially planar surface which includes openings therethrough. A mainspring barr...	12/09/1997
5355571	Method for opening a watch case and apparatus for practicing such method In order to open the watch case (1) by extraction of the crystal (2) such case is secured in an enclosure (3) after its stem and crown have been removed. Next, a suction cup (4) is applied to the crystal, such suction cup being maneuverable from outside t...	10/18/1994
5341552	Watch with watchband attachment The caseband (2) of the watchcase (1) comprises one or two hollows (20, 25) for receiving the end of each length of watchband. The ends of the watchband are held by attachments such as claws (30) or recesses (32, 25), matching notches (40) or protuberance...	08/30/1994
5267379	Method of fabricating surface mountable clock oscillator module A crystal controlled clock oscillator resin encapsulated in a surface mount device (SMD) package incorporates on a lead frame a crystal oscillator, an integrated circuit, a power supply filter capacitor and, optionally, a feedback resistor. In the fabrica...	12/07/1993
4480384	Method of attaching a resonator casing to a printed circuit An elongate opening is formed in the substrate of the printed circuit, from which project lugs formed in the copper layer on the substrate. The lugs are shaped to form a supporting cradle for the resonator which is soldered or stuck to the lugs with its b...	11/06/1984
4279072	Arrangement for the disassembly of a circuit board An arrangement is disclosed for the disassembly from a clock housing of a circuit board which carries various electromechanical and electronic components. The novel disassembly arrangement comprises an ejection device which carries several ejecting posts ...	07/21/1981
4276630	Electronic watch movement An electronic watch movement is formed from a flexible substrate which is enabled to fit the relief of the watch movement frame by openings formed therein. A conductive metal coating is affixed on the substrate covering the openings, and portions of the c...	06/30/1981
4241436	Method of manufacturing of electronic modules for timepieces and electronic module obtained by carrying out this method An electronic watch module and method of manufacturing the module. The module is formed from a flexible film by forming a set of appropriately located, sized and shaped component openings in the film, forming a second set of terminal lead bonding openings...	12/23/1980
4217753	Method for the manufacturing of a metallic bushing for a bearing of timepieces and of small mechanics and bushing obtained by carrying out this method A method of making a bushing and a bushing made thereby for use as the bearing of a timepiece or the like, in which a sheet of metal is stamped to form a cambered disc, a central passageway is formed in the cambered disc by stamping in a direction from th...	08/19/1980
4182020	Method of manufacturing a battery cover for placement in an opening in a battery container A watch case containing at least one opening, in combination with means for sealing said opening comprising a plate of circular material containing on one surface thereof a resilient disc shaped material with an edge having a concave outward shape. In a p...	01/08/1980
4182112	Control panel unit and timer unit and method therefor A control panel unit for a cooking apparatus having a clock construction for indicating the time of day and a timer control unit for selecting a delayed time period and a cooking time period for causing the apparatus to provide a cooking operation for the...	01/08/1980
4164843	Metallic lead plate and circuit structure for an electronic watch and method of assembly A circuit structure for an electronic watch including a metallic lead plate which is overlapped on a circuit base plate and circuit case is provided. The metallic lead plate and circuit base plate are formed with receiving openings in regions of the circu...	08/21/1979
4142287	Electrical devices such as watches and method of construction thereof A method of making electrical devices, and the electrical devices made thereby, comprising the steps of: stamping from a sheet of metal a pattern of conductors configured to connect circuit components together in a relationship which forms a useful produc...	03/06/1979
4122665	Method of manufacturing a pallet lever and pallet lever made by this method A pallet lever which is made by first stamping regions, the surfaces of which will be working surfaces and thereafter blanking out the shape of the lever to dimensions in excess of the area of the stamped portion so that the working surfaces of the stampe...	10/31/1978
4118923	Push-button assembly and manufacturing method A timepiece push-button assembly, in which a push-button and its stem are biased to a rest position defined by abutment of a shoulder of the stem against the end of its guide tube, is assembled with a snap fit by elastic deformation of a trunco-conical pa...	10/10/1978
4086696	Packaging method of a circuit for an electronic watch A method of manufacturing a circuit assembly for an electronic watch without use of a printed circuit board comprises bonding an IC chip to the surface of a lead frame and then wire-bonding the IC chip terminal pads to respective bonding conductors. The l...	05/02/1978
4048835	Method of punching a small hole in a precision mechanics workpiece A method of punching a small hole in a precision mechanics workpiece, in that the thickness of the workpiece is reduced by the application of pressure in the region where the small hole is to be punched and the material is thereby strengthened, steps bein...	09/20/1977
4024677	Method of manufacturing an electric timepiece and electric timepiece obtained by carrying out this method An electric timepiece has a metallic grid cut from a sheet of metallic material with portions of the grid utilized for connecting the electronic circuit and other portions of the grid utilized for mechanical elements of the timepiece movement. Plastic mat...	05/24/1977
4023348	Positioning arrangement on a frame member and on a part having to be secured thereto The balance cock 35, the train wheel bridge 36 and the barrel bridge 37 are positioned with great precision and univocally on the baseplate 40 by means of an arrangement comprising a pair of feet 38 on every bridge, elongated holes 39 in the baseplate bei...	05/17/1977
3986334	Electronic watch and its method of fabrication A self-encased electronic watch is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the elect...	10/19/1976
3986335	Electronic watch module and its method of fabrication An electronic watch module is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the electronic...	10/19/1976
3979900	Device for connecting two parts of a clock A device for connecting two parts of a clock in which one part is provided with an opening and the other with a projecting element. There is a resilient region on one side of the opening and a latch projection on the projecting element. The resilient side...	09/14/1976
3950938	Two conductor hairspring-hub arrangement for electric watches The two conductor hairspring-hub arrangement comprises a metallic and substantially conventional hairspring which is fastened to a unitary hub, i.e. a metallic washer-like hub, to form a core or inner conductor. This inner conductor is sheathed with an in...	04/20/1976
3934403	Fixation of double conducting hairspring The invention comprises an improved hairspring arrangement having a hairspring fixed in a groove of the hub in such a way that the hairspring protrudes from the groove, and furthermore, the protruding part of the hairspring should carry the electric condu...	01/27/1976

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Class 29/896.3 - Watch or clock making