367results about "Repair tools" patented technology

The invention relates to the field of production devices, in particular to a pressure maintaining device and an annular part pressure maintaining method. The pressure maintaining device comprises a mounting disc and a plurality of pressure applying mechanisms; the mounting disc is used for being connected with a carrier for fixing a shell; the mounting disc is provided with a communicating cavity, and the communicating cavity is matched with the inner cavity of the shell; the multiple pressure applying mechanisms are arranged in the circumferential direction of the communicating cavity at intervals, and the pressure applying parts of the multiple pressure applying mechanisms penetrate out of the communicating cavity and are arranged in the shell. The pressure applying parts of the pressure applying mechanisms tend to move towards the side wall of the communicating cavity so that the pressure applying parts of the pressure applying mechanisms can apply pressure to the annular piece in the shell in multiple directions. According to the pressure maintaining device, the multiple pressure applying mechanisms are arranged on the mounting disc to apply pressure to the metal ring, operation is more convenient and faster, and efficiency is higher; and the pressure applied by the pressure applying mechanism is controllable, so that the pressure maintaining effect is ensured, and meanwhile, the metal ring is prevented from being pressed and deformed.

Provided is a multicolour cermet and / or ceramic article, and in particular a bezel of a timepiece, made by a method for injecting at least two materials of distinct colours, said article comprising a relief decoration of a colour different from the rest of the article, said decoration being made by laser ablation after injection of the two materials.

A friction system (100) for a horology movement including: an arbor (1) with a longitudinal axis (L) including: a first fixed element (2) mounted so as to rotate integrally with the arbor (1) and having a first support surface (40); a second fixed element (7) mounted so as to rotate integrally with the arbor (1); a toothed organ (3) mounted so as to rotate freely on the arbor (1) between the first fixed element (2) and the second fixed element (7). The toothed organ (3) is integral with a socket coupling (4) having a second support surface (42), and the second fixed element (7) includes a body (72) configured to rotate integrally with the arbor (1) and resilient brackets (71) protruding relative to the body (72) and extending towards the toothed organ, the resilient brackets (71) being resiliently pressed against the second support surface (42) of the socket coupling.

The method for cutting an appliqué, intended for a watch dial, comprises a laser beam cutting step of a first portion of the appliqué's contour, defining a pointed area and / or a fine groove of at least one first recess and / or the tip and / or the tapered portion of at least one first protruding part, and a stamping step of a second portion of said contour that is complementary to the first portion. This hybrid cutting technology makes it possible to obtain appliqués having, at the end of the cutting process according to the invention, a contour that defines at least one recess with a pointed area and / or a fine groove and / or that defines at least one protruding part forming a tip and / or a tapered portion with configurations and, in particular, dimensions that cannot be obtained by stamping alone.

The invention relates to a method for manufacturing the surface of a timepiece component, in particular an external timepiece component, characterized in that it comprises the following steps: obtaining a timepiece component blank forming the core of the timepiece component; -depositing on said core a surface coating made of a ceramic-metal composite to form a hard surface of the timepiece component, said hard surface having a hardness greater than or equal to 500 HV, or even greater than or equal to 600 HV, or even greater than or equal to 750 HV, or even greater than or equal to 900 HV.

A method for decorating an external part (10) for horology, jewellery or fashion accessories, including the steps of: forming a first interference (110) layer of titanium oxide over the entire decorative face (101) of a titanium substrate (100) by anodising the decorative face (101) at a voltage V1; machining a portion of the first interference layer (110) so as to form at least one opening (111) leading to a portion of the decorative face (101); and forming a second interference layer (120) of titanium oxide by anodising the portion at a voltage V2 lower than voltage V1.

A method of manufacturing a plurality of silicon watch components (90) in a wafer is described.The method comprises the following steps: (a) providing a wafer (10, 110) having a lower side (10A, 110A) and an upper side (10B, 110B), the wafer (10, 110) comprising a single silicon layer (30, 130) without a support layer, the single layer (30, 130) having a thickness (e30, e130) greater than a maximum thickness (e90) of the watch components; (b) forming the watch components (90) by etching patterns in the silicon layer (30, 30', 130, 130') from the upper side (10B, 110B) of the wafer (10, 110); and (c) either before or after step (b), etching the wafer (10, 110) from its lower side (10A, 110A) to thin the wafer at least locally by forming at least one thinned zone (36, 38, 38', 136) in which the watch components (90) have been or will be formed, the at least one thinned zone (36, 38, 38', 136) having a thickness substantially equal to the maximum thickness (e90) of the watch components.

Method for manufacturing watch components (100), comprising the steps of: (a) taking a wafer (10) comprising a support layer (20), a working layer (30) and a buried layer (40) formed of graphene and separating the working layer (30) from the support layer (20), (b) etching at least a part of the watch components into the working layer (30), (c) separating the working layer (30) from the support layer (20) and / or the buried layer (40) formed of graphene.

To provide a method for manufacturing watch components in batches.SOLUTION: A method for manufacturing watch components in batches comprises the steps of: a) providing a substrate 1 covered with a conductive priming layer 2; b) applying a layer of a photosensitive resin 3 to the conductive layer 2 of the surface of the substrate 1; c) irradiating a resin layer 3 through a mask 4 defining the outline of a batch of components 5, as well as a grid 7 and material bridges 6; d) dissolving non-irradiated areas 3b of a photosensitive resin layer 3 to reveal the conductive layer 2 of the substrate 1 in places and form a mold; e) conformal electro-galvanic deposition of a metal layer from the conductive layer 2; f) removing the photosensitive resin layer 3 and the substrate 1 to release one cluster of components thus formed; and g) releasing the batch of components from the one cluster.SELECTED DRAWING: Figure 1

One aspect of the invention relates to a resonating organ (100) of a striking mechanism (200) comprising a bell (110a, 110b) integral with a bell holder (120), characterized in that said bell (110a, 110b) has a notch (117) in which a stone (1) is housed and held integrally, said stone (1) having a table (3) having an impact surface adapted to be struck by a hammer (210a, 210b) of the striking mechanism (200).

The piezoelectric spiral spring (3) is intended for a self-regulating circuit (10) for the oscillation frequency of an oscillating mechanical system (2, 3), or for an energy recovery circuit, or for a motor circuit for actuation of the movement or its automatic maintenance. The piezoelectric spiral spring (3) comprises at least one piezoelectric layer (7, 7', 17, 17', 27, 27') disposed on a top (20) or bottom face of a certain number of coils of the spring in planar orientation, and at least two pairs of electrodes (8a, 8b, 8c, 8d) where the electrodes of each pair are disposed on two opposite faces of the same piezoelectric layer or respectively of two piezoelectric layers so as to apply a reverse bias voltage to each pair of electrodes.

The invention relates to a method for manufacturing a timepiece pinion, characterised in that the method comprises the following steps: - providing a block to be machined; - machining the block using a machining device comprising a mechanical cutting tool that acts on the block through direct contact so as to remove chips from the block, characterised in that - the step of machining the block is carried out using a spindle to which the block is attached and on which it is rotated at a speed greater than or equal to 20,000 rpm, or even greater than or equal to 22,000 rpm, or even greater than or equal to 25,000 rpm, or even greater than or equal to 30,000 rpm, or even greater than or equal to 35,000 rpm, or even greater than or equal to 40,000 rpm, while the mechanical cutting tool comes into contact with the block to remove material in successive passes, in order to form a timepiece component having rotational symmetry; or in that - the step of machining the block is carried out by a mechanical cutting tool, such as a milling cutter or a grinding wheel, rotated at a rotational speed greater than or equal to 100,000 rpm, or even greater than or equal to 120,000 rpm, or even greater than or equal to 150,000 rpm, or even greater than or equal to 180,000 rpm, which comes into contact with the block, held stationary by a spindle, in order to remove material.

This invention relates to a polishing auxiliary device for facilitating the positioning and clamping of watch case backs, belonging to the field of watch case back polishing technology. It includes a housing with a disassembly plate movably connected to its front side. An adjustment assembly is located inside the housing, and a rotating assembly is fixed to the adjustment assembly. A servo motor is fixed to the rotating assembly, and a rotating rod is fixed to the output shaft of the servo motor. A positioning assembly is located at the top of the rotating rod. This polishing auxiliary device, powered by a servo motor, enables the positioning and clamping of watch case backs of different sizes. The adjustment assembly improves the polishing effect, the rotating assembly and the illumination mechanism facilitate the confirmation of the polishing effect, the scraping block and cleaning plate facilitate the cleaning of the illumination plate, and the action components help extend the replacement cycle. Overall, the device performs well.

Binder for injection molding compositions comprising:-45 to 50 volume% of a polymer base,-at least 34 volume% of a wax mixture or a mixture of wax and palm oil,-and 11 to 16 volume% of a surfactant, wherein the polymer base contains, in addition to polyethylene, polypropylene and acrylic resins, ethylene and methacrylic acid or acrylic acid copolymers, or maleic anhydride-containing ethylene copolymers, or mixtures of these copolymers, the respective amounts of the binder components being such that they add up to no more than 100% by volume.

A method and device for manufacturing a bevelled stone, particularly for a timepiece are disclosed. A precursor is produced from a mixture of at least one material in powder form with a binder. The method includes pressing the precursor so as to form a green body, using a top die and a bottom die comprising a protruding rib, sintering the green body so as to form a body of the future stone in at least one material, the body including a peripheral face and a bottom face provided with a groove, and machining the body including a substep of planning the peripheral face up to the groove, such that an inner wall of the groove forms at least a flared part of the peripheral face of the stone.

Clock mechanism (110), in particular clock movement or chronograph module, comprising: - a frame (80, 81), and - a counting chain (100) comprising an epicyclic train (31, 32, 33, 34) including a first planetary gear (33) fixed to the frame. A method for assembling two separate mechanisms or two separate timepieces, comprising the following steps: - a step of supplying a frame (80, 81), - a step of mounting a drive wheel (20) onto the frame (80, 81), - a step of mounting an hour counter (40) onto the frame (80, 81), and - a step of assembling: • a wheel (30') meshing with the drive wheel and with the hour wheel, or • an epicyclic gear train (31, 32, 33, 34) meshing with the drive wheel and with the hour wheel. The method makes it possible to obtain two separate mechanisms but with identical frames, identical drive wheels, and an identical hour wheel.

To provide an external component element for a timepiece or a jewel made of a material with excellent mechanical resistance and aesthetics.SOLUTION: The present invention relates to an external component element or component for a timepiece or a jewel made of a fibre-reinforced polymer matrix composite material, where the external component element or component comprises, on at least one of faces (2) thereof, at least one cavity (4) where an insert (6) made of metallic glass is housed. The present invention further relates to a method for manufacturing such an external component element.SELECTED DRAWING: Figure 1

The invention discloses a method for preparing a silicon escapement wheel, and belongs to the technical field of micro-nano machining. The method provided by the invention comprises the following steps: providing a thin silicon wafer with a target thickness, and etching one surface of the thin silicon wafer to form a plurality of blind holes; preparing a soft mask on the surface of one side, deviating from the blind hole, of the thin silicon wafer; etching one side of the soft mask on the thin silicon wafer so as to etch through the bottom of the blind hole to form a cantilever beam structure of the silicon escapement wheel; and taking down the silicon escapement wheel from the blind hole to obtain the free silicon escapement wheel. According to the method, the cantilever beam structure is formed, parts can be collected more easily, the problem of high-precision equipment needed by the bonding and glue filling process is solved, large-batch silicon escapement wheels can be simply prepared, meanwhile, the problem of side wall inclination angle caused by the fact that deep etching is needed at a time is solved, high quality of the side wall of the silicon escapement wheel is achieved, and the production efficiency is improved. And a solution is provided for preparing large-batch and high-yield silicon escapement wheel devices.

The present invention provides a resonator for a clock striking mechanism that can generate stronger, more harmonious, and non-dissonant audible vibrations, and that has greater resonance over time for at least certain frequency modes. [Solution] The present invention relates to a resonator 100 for a bell-striking mechanism, which includes gongs 110a and 110b attached to a gong holder 120, wherein the gong includes a notch into which a stone is embedded and fixed, and the stone includes a table having a striking surface suitable for being struck by a hammer of the bell-striking mechanism.

The timepiece or jewellery component includes at least one part made of titanium alloy, one surface of which is polished. In some embodiments, the arithmetic mean roughness Ra of the polished surface can be less than 15 nm, even less than 12 nm, even less than 10 nm, and / or the mean total roughness Rz of the polished surface can be less than 90 nm, or even less than 80 nm, or even less than 60 nm. In some embodiments, the titanium alloy contains grains, notably β phase grains, and the difference between the mean height of the grains, notably of the β phase grains, of the polished titanium alloy surface is less than 150 nm, or even less than 120 nm, or even less than 100 nm.

The invention relates to a timepiece component (1) formed of a substrate (10) that is at least partially covered by a coating (20) comprising at least one functional layer (20A) which is deposited by the MLD method and made of an organic material in order to improve the durability of said coating (20).

A cleaning apparatus for a wrist watch comprising a chamber into which a wrist watch (including the case lugs) may be inserted, while leaving the attached watch strap mostly outside the chamber, a fluid inside the chamber, and an oleophilic low-abrasion particulate medium which is agitated by mechanical means to bring the particulate medium into contact with the metal surface of the watch case to clean surface contaminants therefrom.

Method for making a watch component (100) in amorphous metal alloy, the manufacturing process comprising: - a step (E1) of making a first preform in amorphous metal alloy, then - a step (E2) of hot drawing of the first preform to obtain a second preform, then - a step (E3) of machining of the second preform.

The invention discloses a vacuum heat preservation watch and a vacuum packaging method thereof, and the method comprises the following steps: providing a watch semi-finished product which comprises a watchcase, a movement accommodated in the watchcase, and a vacuum maintaining valve integrally formed on the watchcase; placing the watch semi-finished product in a vacuum chamber; the vacuum chamber is vacuumized, so that the external pressure of the meter shell is lower than the internal pressure of the meter shell, the vacuum maintaining valve is driven to be opened, and gas in the meter shell is exhausted; the vacuum chamber is exposed to the atmospheric environment, the pressure of the external environment is recovered to normal pressure, the vacuum maintaining valve is automatically closed and sealed under the action of the internal and external pressure difference of the meter shell and the elastic restoring force of the vacuum maintaining valve, and a closed cavity with a high vacuum degree is formed and maintained in the meter shell; and carrying out pressure maintaining detection on the packaged watch. According to the technical scheme provided by the invention, the watch can maintain a high vacuum degree for a long time, and the heat preservation capability in an extreme temperature environment is improved.

The invention relates to a method for making a striking tool (10) for manufacturing a jewelry, watchmaking, or jewelry component (20), comprising the following steps: - machining a surface of a substrate (30) to obtain a reference surface (31) having a three-dimensional shape corresponding to a predefined design, at least a portion of which has a mirror-polished surface finish, - generating a part (11) on the reference surface (31) of the substrate (30), whose interface surface (12) with the substrate (30) rests at every point against said reference surface (31) so as to intimately conform to its shape, so that the interface surface (12) has a three-dimensional shape corresponding to the inverse of the predefined design, and such that every point of the interface surface (12) has a surface finish identical to that of the reference surface (31) with which it is opposite.- separation of the part (11) and the substrate (30), and installation of said part (11) in a tool holder (13) so as to constitute a stamping tool (10) for stamping a decoration onto a blank (40) of a trim component (20) by stamping the interface surface (12).

The invention relates to a method for manufacturing a dial comprising the following steps: - forming a first part of the dial in a first resin loaded with reflective particles, the first part forming a housing; - pouring at least a second resin into the housing to form the second part of the dial and obtain a dial; - polishing totally or selectively the dial to locally reveal the first resin comprising the reflective particles.

The present invention relates to a method for manufacturing at least one watch component, in which, on a first side of a monolithic silicon wafer (100), a first primary etching mask (200) is made and then the wafer (100) is etched through the first mask (200) to form the edges of a first level of the component; at least one stop layer (400) is made on the first etched side (101) of the wafer (100); On the second side of the wafer (102) opposite to the first side (101), a second secondary etching mask (300) is made and then the wafer (100) is etched through this second mask (300) to form the edges of a second level of the component, the secondary etching reaching at least locally the stop layer.

Disclosed is a method for manufacturing a mould for manufacturing a timepiece component, the method being characterised in that it comprises the following steps: - depositing (E1.2) a layer N (30) of photoresist resin; - exposing (E1.3) the photoresist resin of the layer N (30) of photoresist resin to exposure radiation (55) according to a first predefined pattern, thereby defining at least one portion (32) of the unexposed photoresist resin of the layer N (30); - depositing (E1.c) a conductive layer (36) directly on all or part of the surface of the layer N (30) of exposed photoresist resin; - depositing (E1.4) an optical filter layer (35) directly at least on all or part of the conductive layer (36) and / or its flanks; - depositing (E1.5) a layer N+1 (40) of photoresist resin directly and / or indirectly on the photoresist resin of the layer N (30), in particular on the conductive layer (36) and / or on the optical filter layer (35).

The invention relates to a method for manufacturing a barrel (1) for use in a timepiece, the barrel being arranged to pivot about a pivot axis (D) and comprising a flange portion (3) comprising a bearing surface (30) for bearing an inner ring of a spring, from which bearing surface a hook portion (2) projects to engage in an aperture in the inner ring, and the flange portion comprises an end face (20) serving as a bearing of the eyelet when winding the spring, the flange portion further comprising a groove (4) located upstream of the hook portion in the winding direction (S) of the spring for holding an end of the spring, the method comprising the following steps:-taking a bar; -turning the profile of the bar to form at least one cylindrical portion (13) comprising a vertical surface and a horizontal surface; -machining said cylindrical portion using a broaching tool by a plurality of reciprocating translational movements in the direction of the pivot axis of the strip shaft, to form a flange portion comprising a hook portion, a bearing surface and a groove.

The utility model provides a watch pressure maintaining device. The watch pressure maintaining device comprises an upper pressing die, a lower bearing die, a bottom shell pressure maintaining movable block and a module pressure maintaining movable block. The upper pressing die and the lower bearing die can be enclosed to form a closed die; the upper pressing die is provided with a module accommodating groove and a bottom shell accommodating groove; the bottom shell pressure maintaining movable block is movably contained in the bottom shell containing groove. The module pressure maintaining movable block is movably accommodated in the module accommodating groove; a first containing groove is formed in the bottom shell pressure maintaining movable block in a penetrating mode, the module pressure maintaining movable block is movably arranged in the first containing groove and the module containing groove in a penetrating mode, and the bottom shell pressure maintaining movable block and the module pressure maintaining movable block are connected with the upper pressing die spring through a first spring set and a second spring set respectively. According to the utility model, the upper pressing die is connected with the bottom shell pressure-maintaining movable block and the module pressure-maintaining movable block through the springs, the middle frame and the bottom shell of the watch as well as the bottom shell and the functional module of the watch can be segmented and simultaneously subjected to pressure maintaining through the spring force, and the pressure-maintaining device is high in efficiency, convenient to operate, good in pressure-maintaining effect, reusable and long in service life.