1465results about "Jewellery" patented technology

The invention relates to a covering part (10) comprising a substrate (11) having, on a covering surface (110), a goniochromatic coating (12) composed of the following successively superimposed layers: - an opaque or semi-opaque reflective layer (121) having a thickness greater than 100 nm, - a transparent or semi-transparent layer (122) having a thickness between 300 nm and 500 nm.

A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an elliptical cross-section with a major axis and a minor axis. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

The present invention relates to a timepiece component or jewellery component made entirely or partially from a material comprising between 9 and 21 carats of gold, the material (1) comprising a predefined colour matrix (2) defined by its a*, b*, and L* coordinates in the CIE L*a*b* space, and having a density less than or equal to 10 g / cm3, preferably less than or equal to 8 g / cm3, and at least gold particles (3) dispersed in the matrix. According to the invention, the dimensions of the gold particles (3) are such that the maximum dimension of the gold particles (3) in the plane of the surface of the observed material is less than 60 μm, preferably less than 30 μm, and the minimum dimension of the gold particles (3) in the plane of the surface of the observed material is greater than 1 nm, preferably greater than 10 nm, preferably greater than 200 nm, preferably greater than 0.5 μm, and more preferably greater than 1 μm, the gold particles (3) having no plasmonic effect and being dispersed homogeneously in the matrix (2), and the quantity of gold particles (3) dispersed in the matrix (2) is predetermined such that the material (1) appears to have a colour identical or close to the predefined colour of the matrix (2) to the same observer placed at least 30 cm, and preferably at least 10 cm, from the surface of the material (1), under the same conditions of illumination by an illuminant, the colour of the material being such that the colour difference ΔE* in the CIE L*a*b* colour space between the colour of the material and the colour of the matrix is less than 10, preferably less than or equal to 5, preferably less than or equal to 4, and more preferably less than or equal to 3. The present invention also relates to a method for manufacturing a timepiece component or jewellery component as defined above.

The utility model discloses a laser welding rope chain machine which comprises a wire frame, a feeding assembly, a semi-forming shearing assembly, an extrusion conveying assembly, an upper clamping rotating assembly, a side clamping rotating assembly, a lower clamping rotating assembly and a laser welding device. The upper clamping rotating assembly and the lower clamping rotating assembly are oppositely arranged up and down, the upper clamping rotating assembly can ascend and descend relative to the lower clamping rotating assembly, the side clamping rotating assembly is located on the rear side of the lower clamping rotating assembly and corresponds to the lower clamping rotating assembly, and the feeding assembly is located on the front side of the lower clamping rotating assembly. The thread stand is located on the front side of the feeding assembly, the semi-forming shearing assembly is located at the discharging end of the feeding assembly and can ascend and descend, and the extrusion conveying assembly is slidably connected with the side portion of the feeding assembly. By means of the method, braid chain knitting is achieved through mutual cooperation of all the assemblies, the whole process is automatic, manual operation is reduced, and the production efficiency is improved. And the forming rate and the working efficiency are greatly improved.

The invention discloses a manufacturing method of 925 silver jewelry, which comprises the following steps: S1, preparing alloy components, S2, designing a cast tree structure, S3, casting, and S4, densifying a casting, the alloy components comprise 92.5-93.0% of silver, 1.0-3.0% of platinum, 0.05-0.5% of copper, 1.5-3.5% of zinc, 1.5-3.5% of indium, 0.03-0.3% of tin, 0.05-0.5% of germanium, 0.03-0.3% of rare earth, and 0.003-0.02% of boron. According to the manufacturing method, alloy components are optimized, the casting performance of the alloy components is improved, the casting process is optimized, the feeding capacity of molten metal is improved, shrinkage porosity and air holes are reduced, the initial density of the casting is improved, and subsequent composite treatment is carried out, so that the density from the surface to the shallow surface of the casting is further improved, grains are refined, and the surface roughness is further reduced; and the requirement of high brightness of the jewelry surface is met.

The invention belongs to the technical field of wearable equipment, and particularly relates to a hydrated salt phase change gel material, a preparation method thereof, wearable equipment and a preparation method thereof. The hydrated salt phase change gel material provided by the invention is prepared from the following raw materials in percentage by mass: 30 to 97.7 percent of hydrated salt, 1 to 40 percent of gel monomer, 0 to 20 percent of conductive and heat-conducting filler, 0.1 to 5 percent of cross-linking agent, 0.1 to 5 percent of initiator, 0 to 40 percent of high polymer material, 0 to 10 percent of nucleating agent, 0.05 to 2.5 percent of additive and 0 to 40 percent of water. A gel network in the hydrated salt phase change gel material has a large number of hydrophilic groups, hydrated salt is adsorbed through hydrogen bonds and electrostatic interaction, leakage of the hydrated salt can be prevented, it can be guaranteed that the hydrated salt is evenly distributed in the gel network, phase separation is avoided, and use safety is improved.

A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an octagon-shaped cross-section. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

The invention relates to the technical field of milling and grinding machine tools, and discloses a milling and grinding machine tool for metal machining and a surface machining method of gold ornaments.Through cooperation of a positioning mechanism, a clamping assembly and an adjusting assembly, when a workpiece is machined, the workpiece is placed in the opened clamping assembly, and a driving rod is rotated to drive the clamping assembly to rotate; the movable frame is driven to drive the positioning plate on the movable frame to move towards the direction of the fixed frame, so that the workpiece is clamped and fixed, a to-be-machined face on the workpiece faces the milling and grinding assembly to be milled and ground, and after the machined face is machined, through cooperation of an adjusting rod and a transmission rod of the adjusting assembly, the workpiece can be accurately machined. The main push rod and the auxiliary push rod are driven to do reverse motion in the vertical direction, so that the clamping assembly drives the workpiece to rotate, the next to-be-machined face of the workpiece faces the milling and grinding assembly, the clamping frequency of the workpiece in the machining process is reduced, the machining progress of the workpiece is improved, and the product quality is guaranteed.

A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has a pear-shaped cross-section with a rounded end a tapered end narrower than the rounded end. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

The utility model discloses a bead chain embroidery machine, and relates to the technical field of jewelry processing. Two chain clamping devices and an embroidery unit capable of rotating around a Z axis are mounted on the rack, and the embroidery unit is arranged between the two chain clamping devices; the two zipper clamping devices are matched with each other; the embroidery unit comprises a Z-axis slewing mechanism, and two embroidery devices which are oppositely arranged in the Y direction are mounted on the Z-axis slewing mechanism; the two embroidery devices are the same in structure, and each embroidery device comprises an embroidery mechanism, a Y-axis swing mechanism and a Y-axis translation mechanism; the embroidery mechanism is installed at the action end of the Y-axis rotation mechanism, and the Y-axis rotation mechanism is installed at the action end of the Y-axis translation mechanism. The chain beads of the bead chain can be subjected to continuous embroidery forming, the forming efficiency is improved, and the labor cost is reduced; and meanwhile, uniform embroidery strength is guaranteed, and the machining precision is improved.

The utility model relates to a drilling bead stringing machine, and belongs to the field of automation equipment. The device comprises a feeding mechanism, a drilling mechanism and a threading mechanism, the feeding mechanism is matched with the drilling mechanism, and the drilling mechanism is matched with the threading mechanism; the threading mechanism comprises a threading rack, a wire releasing assembly, a welding assembly, a lifting assembly, a clamping assembly and a wire guiding assembly, the wire releasing assembly, the welding assembly, the lifting assembly and the wire guiding assembly are all arranged on the threading rack, the clamping assembly is located above the lifting assembly, the lifting assembly is located above the wire guiding assembly, and the wire guiding assembly is located above the clamping assembly. The wire guiding assembly is located above the wire releasing assembly, the wire releasing assembly is located in the middle of the threading machine frame, the welding assembly is located on the side portion of the threading machine frame, the wire releasing assembly comprises a wire releasing frame, a wire releasing shaft and a wire releasing disc, the wire releasing frame is installed on the threading machine frame, the wire releasing shaft is installed on the wire releasing frame, and the wire releasing disc is installed on the wire releasing frame. And the wire releasing disc is arranged on the wire releasing shaft.

A jewelry clasp positioning device is provided. The jewelry clasp positioning device is a patch including a first face and a second face. The first face has an area and an adhesive layer. A first fastener is attached to the patch. A second fastener is attached to the patch. The device can be used by selecting a color of the jewelry clasp positioning device. Next, a user attaches a first and second fastening component of a piece of jewelry to the first and second fastener of the device and removes an adhesive cover. Next, the user aligns the first face of the jewelry clasp positioning device with a user's neck. Lastly, the user places the first face of the jewelry clasp positioning device against their neck.

A lighting structure and a wearable device are provided. The lighting structure is provided, including at least one light source, a battery, and a control module. The at least one light source includes one or any combination of a first light-emitting diode (LED), a first electro-luminescent (EL) wire, a first optical fiber, and an organic light-emitting diode (OLED). The battery includes either a disposable battery or a rechargeable battery. The lighting structure includes the at least one light source and the battery, the at least one light source is configured as including a plurality of light-emitting materials or a single light-emitting material, and power supply modes of the lighting structure are also various, so that optimal lighting effect of the lighting structure is achieved.

A device for forming an item from closed loop elastic bands includes a guide having a cam surface and at least two poles spaced apart from each other. The poles are configured to hold at least one closed loop elastic band therebetween. A slider including at least two arms is movable relative to the at least two poles of the guide. Each of the at least two arms include a finger portion having a hook and a push surface. The hook is configured to pick a lowermost elastic band supported on a corresponding one of each of the at least two poles and the push surface configured to push the picked elastic band over the outwardly extending flange. Movement of the slider relative to the guide automatically drives movement of the fingers to lift and release an elastic band to form a link a linked item.

To provide a nail accessory which prevents loss of an ornament and does not cause troubles in a daily life.SOLUTION: A nail accessory comprises: an ornament body 2; a pedestal 3 connected to the ornament body 2; an adhesive 4 disposed on the rear face of the pedestal 3 and adhered to the nail N; a binding member 5 for binding the finger R; and a stop ball 6 for fixing the binding member 5 and the pedestal 3. Due to that an ornament is bound to the finger by the binding member, the ornament is prevented from falling from the finger. Furthermore, the occurrence of troubles is eliminated in a daily life, and a degree of freedom can be increased.SELECTED DRAWING: Figure 1

An electronic necklace comprising a projector medallion and associated methods of formation are described, and more particularly to an electronic necklace with one power source for powering a projector medallion and necklace bulbs and its associated methods of formation. In one embodiment, an apparatus may include a wire serving as a necklace strand with a projector medallion formed of a translucent material including a backside, a front side, an underside, and / or an interior. The necklace may include a power source in the form of a battery. The necklace may include a projector light and / or a medallion light within the interior of the projector medallion. The necklace may include a control chip within the interior of the projector medallion that may distribute power from the battery to the wire, the projector light, and / or the medallion light.

To provide a fastener which is easy to align. [Solution] The fastener 10 used in the ornament of the present invention is characterized by having a cylindrical intermediate member 11 having a first magnet 12 inside, a first connecting member 17 having a second magnet 21 that can be inserted and removed into one end of the intermediate member 11 and can be attracted to the first magnet 12, and a second connecting member 18 having a third magnet 22 that can be inserted and removed into the other end of the intermediate member 11 and can be attracted to the first magnet 12.

The present invention discloses an automatic swinging ornament, a carrier with an automatic swinging ornament, and an inlay method, comprising a base, a sub-section provided in the base, a connecting shaft provided on both sides of the sub-section and extending to both sides; a connecting groove provided on both sides of the inner side of the base and adapted to the connecting shaft to connect the sub-section, provided on the base and welded to the base, a cover plate for covering the connecting groove, provided on one side of the connecting groove, and a hollow structure for adjusting the connecting shaft. The present invention provides a cover plate on the base to cover the connecting groove, so that the connecting shaft is enclosed in the connecting groove, leaving only the sub-section exposed, making it easy to be set on valuables and ensuring aesthetics, and covering the connecting groove can prevent foreign dust and other dirt from entering the connecting groove and affecting the swinging performance of the sub-section. In addition, the present invention provides a hollow structure, through which the connecting shaft is adjusted to ensure that the connecting shaft can swing continuously.

An exemplary system and method of transforming an accessory from a first figure to a second figure involves rotating a first component about a first post coupled to a stem from a first position to a second position, rotating a second component about a second post coupled to the stem from a first position to a second position, and then forming a first figure or a second figure based on the frictional engagement between a post in the stem and one or more of the first component and the second component.

A variety of techniques for authentication of jewelry and gemstones is provided. With some example embodiments, blockchain may be used to store a reference signature for the jewelry / gemstone, and a digital asset such as a non-fungible token can link this reference signature with the physical jewelry / gemstone. During an authentication process, the reference signature stored on the blockchain can be accessed and compared with a test signature derived from an item that is purported to be the original jewelry / gemstone to determine whether they match to support a declaration that the purported jewelry / gemstone is authentic.

The invention belongs to the technical field of automatic control, and particularly discloses a multi-process parameter collaborative optimization control system for jewelry forming. According to the system, acoustic emission, temperature, force and displacement signals in the forming process are synchronously collected through a multi-source heterogeneous sensor, and microscopic state features are extracted and abnormal modes are recognized through a deep fusion network; a proxy model fusing physical constraints is constructed, and the nonlinear relation between the technological parameters and the forming quality is depicted; and finally, based on a deep reinforcement learning agent, dynamically deciding an optimal process parameter combination according to a real-time state and a multi-target reward. According to the invention, omnibearing perception, abnormal active early warning and parameter adaptive collaborative optimization of the forming process are realized, and the product quality stability and the process adaptability are improved.

The utility model discloses a sachet convenient to replace contents, which comprises a sachet bag, a lifting rope is arranged at the upper end of the sachet bag, a replacement mechanism is arranged between the sachet bag and the lifting rope, and the replacement mechanism comprises a fixing column, a connecting plate, a threaded rod, a limiting ring, a first half tube block, a connecting belt, a second half tube block, a threaded groove and a magnetic block. The connecting belt is located on the outer surface of the upper end of the sachet bag, the fixing column is fixedly installed on the outer surface of the lower end of the lifting rope, the connecting plate is fixedly installed on the outer surface of the lower end of the fixing column, and the threaded rod is located in the middle of the outer surface of the lower end of the connecting plate. According to the sachet with the content convenient to replace, the content in the sachet bag can be conveniently replaced, the upper end of the sachet bag can be conveniently limited through the two sets of magnetic blocks, the content is reduced from running out, the lifting rope and the sachet bag can be conveniently assembled and disassembled, the whole sachet bag can be conveniently replaced, and better use prospects are brought.

The utility model relates to a feeding mechanism of a drilling bead stringing machine, and belongs to the field of automation equipment. The feeding device comprises a stock bin assembly, a material guiding assembly and a material stirring assembly, the material guiding assembly is located below the stock bin assembly, the material stirring assembly is matched with the material guiding assembly, the stock bin assembly comprises a stock bin body, a hopper and a material hole, the hopper is arranged at the bottom of the stock bin body, the material hole is formed in the bottom of the hopper, and the material stirring assembly is matched with the material guiding assembly. The material hole is located above the material guiding assembly, the material guiding assembly comprises a material guiding groove, a material guiding base, a material guiding sliding block and a material guiding sliding rail, the material guiding groove is formed in the material guiding base and located below the material hole, the material guiding base is arranged on the material guiding sliding block, and the material guiding sliding block is matched with the material guiding sliding rail; the material stirring assembly comprises a material stirring rotating shaft and a material stirring roller, the material stirring roller is arranged on the material stirring rotating shaft and matched with the material guide groove, and material stirring teeth are arranged on the material stirring roller.

The utility model relates to a drilling mechanism of a drilling bead stringing machine, and belongs to the field of automation equipment. The drilling machine comprises a drilling machine frame and is structurally characterized by further comprising a clamp assembly, a transfer assembly, an upper drilling assembly and a lower drilling assembly, the transfer assembly is arranged on the drilling machine frame, the clamp assembly is arranged on the transfer assembly, the upper drilling assembly and the lower drilling assembly are located above and below the clamp assembly respectively, and the clamp assembly is arranged on the transfer assembly. The upper drilling assembly and the lower drilling assembly are both matched with the clamp assembly, the clamp assembly comprises two clamping plates, the two clamping plates are symmetrically arranged, clamping tables are arranged on the clamping plates, clamping edges and clamping holes are formed in the side walls of the clamping tables, clamping sliding blocks are installed at the bottoms of the two clamping plates, and the clamping sliding blocks are connected with the upper drilling assembly and the lower drilling assembly. The clamping sliding block is matched with a clamping sliding rail, and the clamping sliding rail is installed on the transferring assembly.

A method for obtaining a decorative item (5) having a sparkling appearance, comprising the steps of: providing or producing a model (1) having a face (1a) of polycrystalline structure which is intended to be replicated; producing a replica (2) of the face (1a) using a polymer material; producing an object (4) on at least a portion of the replicated face (2a) of the replica (2); and at least one of locally modifying the polycrystalline structure of the model (1) before producing the replica (2); modifying the shape of the replica (2); and selectively producing the object (4) on certain portions of the replicated face (2a) of the negative replica (2), the decorative item (5) being either the replica (2), or the object (4) if the optional step is carried out.

The utility model relates to the technical field of stringing piece devices, in particular to a stringing piece device. The stringing device comprises a base main body, a rotating disc, a material shifting piece and a driving assembly; the driving assembly and the rotating disc are installed in the base body, the driving assembly is in transmission connection with the rotating disc so as to drive the rotating disc to rotate, and the rotating disc is provided with a containing cavity for containing materials. The material stirring piece is mounted on the base main body, and a material stirring head of the material stirring piece extends into the piece containing cavity; and when the driving assembly drives the rotating disc to rotate, the material shifting head shifts the materials to roll over and shifts the materials to a preset area of the material containing cavity. An operator only needs to place stringing wires such as steel wires in a preset area, and materials strung on the stringing wires can be increased in the rotating process of the rotating disc, so that the stringing speed is increased. And moreover, under the fluctuation of the shifting head, the rolling degree of the materials is larger, and the probability that the materials are strung on the stringing wires can be improved, so that the stringing speed is improved.