Abstract: The invention relates to a method for decorating a timepiece component comprising: a) a step of preparation of the timepiece component optionally comprising a first step of depositing a first material on the timepiece component to form a first sub-layer, b) a second step of depositing a second material on the timepiece component obtained in step a) to form a second sub-layer, c) a colouring step comprising the deposition of a third coloured material on the timepiece component obtained in step b) to form a coloured external decorative layer, According to the invention, at least step b) and step c) are achieved by a physical vapour deposition method.

Abstract: The present invention relates generally to jewelry articles comprising a substrate and a metallic, external coating.

Abstract: Method for securing a decoration (1) to an external timepiece element (2) coated with a galvanically deposited metallic layer (3). Instead of the decoration (1), a dummy part (5) is temporarily placed in the hole (4) pierced in the external element (2), and the galvanic deposition (3) is then carried out. After the deposition has been levelled, the dummy part (5) is removed and the decoration is placed in the hole (4).

Abstract: The present invention relates generally to a coated jewelry article or a coated component of a jewelry article, comprising a jewelry article or a component of a jewelry article, a first metallic coating, and a second metallic coating.

Abstract: A timepiece or piece of jewellery made of a nickel free and cobalt free gold alloy, the composition of which includes by weight between 75% and 77.5% gold, between 1.2 and 1.6% palladium, and between 20.1 and 23.8% copper.

Abstract: A jewelry piece is formed with a jewelry body made of epoxy material, defining an outer surface and cast in the shape of a piece of jewelry in the form of a ring, pendant, earring, brooch, bracelet, anklet, necklace, and the like. The epoxy has a material density approximating that of gold and the decorative metal layer made of precious metal is affixed to the outer surface of the jewelry body in a thickness greater than 0.125 ?m. The decorative body may be surface mounted to the jewelry or it may be inlaid or affixed in other similar fashion.

Abstract: The present invention relates generally to methods for producing metallic products comprising a substrate and a metallic, external coating. In preferred embodiments, the metallic products are jewelry articles.

Abstract: An improved jewelry article with a brilliant, preferably white, coating securely bonded to a substrate. The coating comprises predominantly chromium and, where a white finish is desired, a platinum group metal, preferably platinum. The substrate comprises predominantly tungsten carbide and a substantial amount of metal, preferably nickel. The coating is applied to the substrate using vapor deposition, such as physical vapor deposition. The metal and especially nickel will facilitate adhesion between the chromium in the coating and the substrate. The vapor deposition will further provide for superior adhesion as compared to traditional plating techniques. The improved jewelry article will maintain the brilliant, preferably white, finish of the coating due to the hard scratch resistant predominantly chromium coating and the improved adhesion between the coating and substrate.

Abstract: A jewelry piece is formed with a jewelry body made of epoxy material, defining an outer surface and cast in the shape of a piece of jewelry in the form of a ring, pendant, earring, brooch, bracelet, anklet, necklace, and the like. The epoxy has a material density approximating that of gold and the decorative metal layer made of precious metal is affixed to the outer surface of the jewelry body in a thickness greater than 0.125 ?m. The decorative body may be surface mounted to the jewelry or it may be inlaid or affixed in other similar fashion.

Abstract: A flexible adjustable split band with indicia on the exterior surface. The interior is made of injection molded spring plastic and an exterior covering is made of material selected from the group consisting of lanyard material, polyester fabric, and other stretchable material which can be heat sealed and onto which indicia can be placed by methods such as silkscreening or weaving. The band is formed by starting with an injection molded core of spring plastic of a given width and length which is formed into a curve and is separated at its two respective ends so that gap is created between the ends of the plastic core. A covering material such as lanyard material or polyester is slipped over the plastic core and is heat sealed at one end. The covering then pulled tightly over the plastic core and cut to size and heat sealed at its opposite end. An end cap made of ABS plastic or comparable material is then affixed onto each end of the band.

Abstract: Provided is a jewelry ring comprising a substrate, a first coating of a metallic nitride or a metallic boride, and an external metallic coating. Also provided is a metallic article comprising a substrate comprising tungsten carbide, cobalt, tungsten, titanium, titanium carbide, zirconium, tantalum or aluminum; a first coating of a metallic nitride or a metallic boride; and an external metallic coating. A method for making a jewelry ring comprising a substrate, a first coating of a metallic nitride or a metallic boride, and an external metallic coating is additionally provided. Further provided is a method for making a metallic article comprising a substrate comprising tungsten carbide, cobalt, tungsten, titanium, titanium carbide, zirconium, tantalum or aluminum; a first coating of a metallic nitride or a metallic boride; and an external metallic coating.

Abstract: A method for providing a protective coating and enhanced optical qualities to a gemstone. The method includes coating a first portion and a second portion of a gemstone with TiO2 doped with calcium oxide (TiO2+). The TiO2+ coated gemstone is next coated with a diamond like carbon (DLC) coating. The gemstone may be synthetic or natural. The composite gemstone, having been coated with both TiO2 and DLC, exhibits high refractivity and enhanced wear resistance and color.

Abstract: The dial with an enamel coating (2) includes a base plate (1) made of ceramic material with portions in relief (4, 8) obtained by partial or through shaping or machining, formed by an insert (10) also having an enamel coating (12) and whose thickness defines a recess (4) or an embossment (8).

Abstract: A jewelry piece is formed with a jewelry body made of epoxy material, defining an outer surface and cast in the shape of a piece of jewelry in the form of a ring, pendant, earring, brooch, bracelet, anklet, necklace, and the like. The epoxy has a material density approximating that of gold and the decorative metal layer made of precious metal is affixed to the outer surface of the jewelry body in a thickness greater than 0.125 ?m. The decorative body may be surface mounted to the jewelry or it may be inlaid or affixed in other similar fashion.

Abstract: A personal ornament having an ornament base article made of a metal or the like; an underlayer, preferably nickel-free, formed on the base article; and a coloring layer constituted of an abrasion-resistant layer of 0.2-1.5 ?m thick formed by dry-plating on the surface of the underlayer and an outermost layer of 0.002-0.1 ?m thick formed by dry-plating on the surface of the abrasion-resistant layer. The coloring layer is a white hard coating film of a stainless-steel color which provides superior quality, high resistance to deterioration of appearance by scratching, and a high-quality image like a stainless steel film.

Abstract: The present invention involves the use of Iridium to at least partially fabricate jewelry or to create an entire piece of jewelry such as finger rings, watches, watch bands, toe rings, chains, bracelets, bands, jewel settings, charms, necklaces, hair pins, brooches, earrings and other jewelry items worn for personal adornment.

Abstract: The present invention is a bracelet having an inner layer and an outer later. The inner layer of the bracelet is copper and the outer layer is another metal, preferably a precious metal such as sterling silver or gold, platinum or titanium. However, any suitable material may be used for the outer layer. Since copper can be absorbed through the skin, a wearer receives the medicinal benefits of copper while wearing a bracelet that is a fine piece of jewelry. In a preferred embodiment, the copper inner layer is a comfort fit layer.

Abstract: A piece or article of jewelry that is made from a metal support including a plate having an upper surface and lower surface with an upstanding peripheral rim on the upper surface that is mounted on the support to be normal to a viewer, and a sealed transparent dome filled with a liquid of a preselected specific gravity and viscosity into which is immersed a plurality of objects of given density. The dome is sealed to the upper surface of said plate and to the upstanding rim. The plurality of objects disperses in said liquid responsive to agitation or disturbance and will slowly settle by gravity to the lowest point of the dome when the agitation or disturbance ceases. A method of making the article of jewelry.

Abstract: A jewelry piece is formed with a jewelry body made of epoxy material, defining an outer surface and cast in the shape of a piece of jewelry in the form of a ring, pendant, earring, brooch, bracelet, anklet, necklace, and the like. The epoxy has a material density approximating that of gold and the decorative metal layer made of precious metal is affixed to the outer surface of the jewelry body in a thickness greater than 0.125 ?m. The decorative body may be surface mounted to the jewelry or it may be inlaid or affixed in other similar fashion.

Abstract: A personal ornament having an ornament base article made of a metal or the like; an underlayer, preferably nickel-free, formed on the base article; and a coloring layer constituted of an abrasion-resistant layer of 0.2-1.5 ?m thick formed by dry-plating on the surface of the underlayer and an outermost layer of 0.002-0.1 ?m thick formed by dry-plating on the surface of the abrasion-resistant layer. The coloring layer is a white hard coating film of a stainless-steel color which provides superior quality, high resistance to deterioration of appearance by scratching, and a high-quality image like a stainless steel film.

Abstract: The invention provides a method for production of a decorative article comprising a body having at least one engagement stage, and a decorative member made of a decoration material capable of being thermally softened and having at least one surface which is engageable with the engagement stage of the body. The said method comprises the steps by placing softened decoration material into a mold shaped and sized to correspond to the decorative member to be produced and having at least one surface that is brought into surface-contact with the engagement stage of the body and then press-molding; taking the semi-finished decorative member out of the mold to cool down slowly to room temperature; and placing the surface of the cooled semi-finished decorative member over the engagement stage of the body and splicing them together. By using the method of the present invention, a decorative article can be produced.

Abstract: A gold plated jewelry article that has an antique, ancient or aged appearance and methods of making the same. The method includes providing a matte finish on an engravable article having a desired shape and being made of a metal or alloy that is less precious than gold; plating all visible surfaces of the engravable article with a thin layer of gold; and engraving characters on at least one surface of the engravable article. During use, the gold plated jewelry article wears or deteriorates to exhibit the antique, ancient or aged appearance.

Abstract: A jewelry article includes an elongated support and a multiplicity of beads strung along the support. At least one of the beads constitutes a locking bead consisting of a substantially closed hollow shell with a pair of aligned holes sized to slideably receive the support. A heat-shrinkable plastic tube is positioned inside the shell with its opposite ends captured by portions of said shell around the holes. The tube has a heat-deformed inner wall which substantially conforms to the support so as to permanently anchor the bead to the support. A method of stringing the locking bead is also disclosed.

Abstract: A noble metal piece 10 so formed that a metal having positive potentials 14 and a metal having negative potentials such as titanium or oxide thereof, nitride thereof or carbide thereof 13 are arranged side by side to form an outer surface of the noble metal piece 10 and the noble metal pieces 10 so formed that a metal is subjected to ion plating with titanium or the oxide thereof, the nitride thereof or the carbide thereof, for example, titanium dioxide (TiO2) 13 are arranged in an adequate manner to be beaded with a piece of string 11 to finally form a noble metal chain 12. With such a structure, the present invention provides an accessory featured in making a good show as an accessory, raising static electricity due to a friction upon contacting the skin by a free movement, enabling ion supply to a surface of the body owing to a semiconductor action, and enabling a more effective generation of ion under sun violet ray resulting in producing high healing effect.

Abstract: Wear resistant jewelry apparatus and method of making same wherein articles of jewelry are made from sinterable metal and/or ceramic powder materials compressed into a predetermined configuration and then sintered to form a blank from which a jewelry item may be made and to which softer precious metals, stones, crystals or other materials suitable for use in jewelry may be affixed. Such items of jewelry may have multiple facets and can be fabricated using various disclosed techniques and various combinations of materials.

Abstract: There is provided an ornamental chain of the “Omega” type used for the production of necklaces, bracelets and other articles of jewelry. This chain has two faces having different colors and/or different workmanship corresponding to the two faces. The chain may be worn showing one or the other face. The disclosure also covers the process of production of the chain.

Abstract: The present invention includes a personal ornament having a white coating layer and a method for making the same. The base article is made of metal and the white-colored stainless steel coating layer is formed by a dry plating process. The base metal may be ferrous or non-ferrous.

Abstract: A key ring in the present invention includes an ornamental block and a buckle ring. The one-piece ornamental block is made of plastic material and may be any kind of configuration. A plurality of spaced cavities are disposed in the at least one surface of the ornamental block. The inner surface of each cavity is treated by vacuum gilding so as for the ornamental block to achieve diamond-shining effect. A through hole is provided in one end of the ornamental block for the buckle ring to penetrate through.

Abstract: A process for forming a metallic article having a black ornamental surface includes the steps of metallurgically providing an alloy containing between about 51 and 70 about percent by weight of titanium, between about 3 and about 17 percent by weight of niobium, and the balance of a metal selected from the group consisting of zirconium, tantalum, molybdenum, hafnium zirconium, chromium, and mixtures thereof. The alloy is then casted and/or metal worked into a workpiece having a desired geometry and surface texture. The workpiece thereof is then baked in a kiln or oven in a substantially air atmosphere of between about 450 and about 850 degrees C. for a period of between about one and about 29 minutes. Resultant of such baking, there is produced a durable black surface layer consisting substantially of an oxide of niobium which is adhered to the substrate of the workpiece which remains unoxidized.

Abstract: A decorative stone made of glass is provided with a facetted front and a mirrored rear converging from the periphery of the stone to a point provided with an adhesive (10), wherein the angle between opposite surfaces of the rear of the stone (1) is more than 150°.

Abstract: A necklace which prevents rotation. The necklace has a connecting metal positioned on the rear side which is prevented from being turned to the front when it is worn. The necklace includes a plurality of continuously arranged pieces with connecting metals provided at opposite ends of the pieces. At least one piece among the plurality of pieces in the proximity of the connecting metals is formed of a hollow member while the other pieces are formed of solid members.

Abstract: The links (8) forming the bracelet (6) are articulated one after the other via cylindrical bars (9), these bars and links being held together by a flexible tie (10). The link (8) is made of a mineral material whose hardness is equal to or greater than 7.5 Mohs.

Abstract: A method for setting stones in the surface of a jewel produced by electroforming, comprising the following steps: producing a base having external shapes and dimensions with a thickness close to the gold film forming the wall of the jewel to be produced and having seats for receiving the stones; depositing on the base, before setting the stones, a protective coating, then a thin gold film; setting the stones in the seats; then depositing a second thicker gold film; and finally extracting or removing the base and the protective coating. The invention is characterized in that when the base is being produced, at least one passage is provided perpendicular to each seat, capable of communicating, once the stone is set, the space between it and the bottom of its seat with outside, so as to enable the depositing of the second gold film to reach the space. The invention is useful for jewels produced by electroforming.

Abstract: Wear resistant jewelry apparatus and method of making same wherein articles of jewelry are made from sinterable metal and/or ceramic powder materials compressed into a predetermined configuration and then sintered to form a blank from which a jewelry item may be made and to which softer precious metals, stones, crystals or other materials suitable for use in jewelry may be affixed. Such items of jewelry may have multiple facets and can be fabricated using various disclosed techniques and various combinations of materials.

Abstract: A tooth or teeth jewels comprising highly clear gems such as diamond, zirconia, quartz, white sapphire or the like fixed as partially buried in a concavity formed in a live or artificial tooth or teeth, the tooth or teeth jewels being secured to the tooth or teeth by means of a gem retainer made of a high-reflectance metal or resin which provides a golden, silver or platinum color and/or brilliance, or by means of a combination of the gem retainer and a colored reflective film

Abstract: Synthetic gemstones are produced by growing single crystals of silicon carbide, fashioning the silicon carbide into gemstone cores, and thereafter depositing a thin coating of diamond on the core.

Abstract: An article of manufacture fabricated from discarded, recycled and new bottle caps of the type conventionally used to seal soft drink and beer bottles. A bottle cap is placed on a supporting surface and pressed substantially flat to form a wafer having an irregular surface and an irregular perimeter. The surfaces of the wafer are decoratively coated with powdered metal, pigmented enamel or ceramic. A suspension device is attached to the decorated wafer to enable suspension of the article of manufacture.

Abstract: A novel piece of jewelry providing a substrate to which one or more link elements may be affixed. The substrate is formed essentially entirely of a non-gold metal that is ductile and sufficiently elastic so that after being formed into a particular shape it will spring back to that shape after being stressed. In order to make the substrate an aesthetically-pleasing part of the jewelry, the non-gold metal used is of a type that may be colored. Suitable substrate metals include, but are not limited to, titanium, tantalum, steel, and a variety of other similar types of metals. The appearance of the substrate permits the use of a wide array of links that may be solid or that may be open-gallery having a broad range of designs. The links may be permanently or temporarily affixed to the substrate.

Abstract: A golden ornament having formed on a substrate either golden coating incorporating gold, iron, and oxygen therein or a golden coating comprising gold, iron, and oxygen; a golden ornament having formed on a substrate an undercoating layer comprising a Ti compound or a Zr compound and further formed on the undercoating layer a golden coating comprising gold, iron, and oxygen; the golden coating having the magnitudes of color tones, L*, a*, and b*, in the respective ranges, 90.gtoreq.L*.gtoreq.75, 10.gtoreq.a*.gtoreq.0, and 40.gtoreq.b*.gtoreq.20; and a method for the production of the golden ornament characterized by having the golden coating formed by the physical vapor deposition of gold and iron on the substrate or the undercoating layer in an ambient air containing oxygen.