998results about "Jewellery" patented technology

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 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.

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.

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.

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.

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.

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.

The present disclosure relates to compositions and methods of killing cells in vitro or in vivo. In particular examples, the method includes contacting a cell having a cell surface protein with a therapeutically effective amount of an antibody-IR700 molecule, wherein the antibody specifically binds to the cell surface protein. In particular examples the antibody recognizes a tumor-specific antigen on the surface of a tumor cell. The cell is subsequently irradiated, such as at a wavelength of 660 to 740 nm at a dose of at least 1 J cm−2, thereby killing the cell. Also provided are wearable devices that include an article of clothing, jewelry, or covering; and an NIR LED incorporated into the article, which can be used with the disclosed methods.

The invention relates to a coating comprising at least a light-absorbing metal oxide and / or nitrogen oxide dark black layer deposited directly on the surface of a part to be coated. In another embodiment, a deep black layer is deposited on a metal adhesion promoting layer followed by a hard optically transparent nitrogen oxide layer. The coating may be deposited by reactive magnetron sputtering and exhibit enhanced heat resistance at temperatures in excess of 400 DEG C.

The utility model discloses an ear stud needle threading forming device which comprises a rack, the rack is provided with a containing frame used for containing metal wires, the rack is provided with a straightening mechanism capable of straightening the metal wires, the rack is provided with a wire feeding mechanism capable of directionally conveying the metal wires, and the rack is provided with a clamping mechanism capable of clamping and loosening the ends of the metal wires conveyed by the wire feeding mechanism. And the rack is provided with a cutting and forming mechanism which can cut off the metal wire of which the end part is clamped by the clamping mechanism and grind and form the cut metal wire clamped by the clamping mechanism. And the wire feeding mechanism directionally conveys the metal wires on the placing rack. And the metal wires are straightened by the straightening mechanism when being conveyed. And the clamping mechanism is used for clamping the end part of the metal wire which is conveyed by the wire feeding mechanism and straightened by the straightening mechanism. The cutting forming mechanism cuts off part of the metal wire needing to be machined into the auricular needle from the metal wire, the part of the metal wire is continuously clamped by the clamping mechanism, and the cutting forming mechanism machines the part of the metal wire clamped by the clamping mechanism into the auricular needle in a preset shape through grinding.

A lanyard includes a strap and at least one electronic component embedded in the strap.

This utility model relates to the field of jewelry technology and discloses a pendulum-style metal ornament, including a mounting plate. A mounting post is fixedly connected to the outside of the mounting plate. A mounting ring is sleeved on the outside of the mounting post. A shell is fixedly connected to the outside of the mounting ring. A U-shaped block is fixedly connected to the upper part of the shell. An mounting block is located in the middle of the U-shaped block. LED strips are mounted on both outer sides of the mounting block. Mounting components are located on both inner sides of the mounting block for mounting the LED strips. A handle is fixedly connected to the upper part of the mounting block. A mounting tube is fixedly connected to the lower part of the mounting ring. A first telescopic rod is fixedly connected to the bottom of the mounting tube. A slider is fixedly connected to the top of the first telescopic rod. A handle is fixedly connected to the outside of the slider. This utility model facilitates the installation and removal of metal ornaments, unlike the traditional method of fixing with screws. This method is simple, convenient, and easy for operators to use.

A manufacturing system for a multifunctional composite mala colored stone material, characterized in that: It comprises a raw material pretreatment module, a precision composite manufacturing module, a finished product post-treatment module, which are connected in sequence, and an intelligent control module that networks the respective modules; that the raw material pretreatment module contains an aggregate treatment unit and an auxiliary material treatment unit, for the aggregate treatment unit a link of “vibrating feed → jaw coarse crushing → cone medium crushing → VSI sand production-shaping → classification by means of a multi-deck circular vibrating screen” is used, through the classification aggregates are obtained in specifications of 30 meshes, 50 meshes, 80 meshes, 120 meshes, the auxiliary material treatment unit is equipped with an LM vertical mill and a drying-dehumidifying device;that the precise compound manufacturing module includes an intelligent dosing unit and a mixing modification unit, the intelligent feeding unit is controlled by a PLC control system networked with an electronic dosing scale, and the precision error of a proportional division is ≤ ± 0.5%.

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.

1. A watch or jewelry part comprising at least a portion made of a titanium alloy, one of the surfaces of which is polished.