Abstract: A process for producing a part provided with an external element includes: providing an electrically conductive substrate having an upper surface and a raised pattern with a crest on the upper surface; depositing an electrically insulating layer onto the upper surface around the pattern to a thickness less than or equal to the distance between the crest and the upper surface; depositing a metal layer onto the crest by galvanic growth so that the metal layer partly rests on the insulating layer; dissolving the insulating layer; covering an assembly including the substrate and the metal layer with a mass of a base material of the part to form an imprint; separating the mass and the metal layer from the substrate, the mass then exhibiting an external element formed by a recess, the shape of which corresponds to the imprint and the base of which interfaces with the metal layer.

Abstract: The invention relates to a decorative piece comprising a plurality of stones and a device for fixing the stones relative to each other, the fixing device comprises a single base made of a first material which makes it possible to attach all the stones relative to each other by one of their faces, the kites of stones are mounted edge to edge relative to each other so that said single base is masked, characterised in that the first material is an at least partially amorphous alloy. The invention likewise relates to the method for manufacturing such a piece. The invention relates to the field of jewellery, gemstone articles or timepieces.

Abstract: The invention relates to a timepiece component made of composite material including at least one reinforcement and one matrix, the reinforcement having a three-dimensional honeycomb structure with a plurality of cells into which the matrix is injected. The invention also concerns a method for manufacturing such a timepiece component.

Abstract: A process for producing a part provided with an external element includes: providing an electrically conductive substrate having an upper surface and a raised pattern with a crest on the upper surface; depositing an electrically insulating layer onto the upper surface around the pattern to a thickness less than or equal to the distance between the crest and the upper surface; depositing a metal layer onto the crest by galvanic growth so that the metal layer partly rests on the insulating layer; dissolving the insulating layer; covering an assembly including the substrate and the metal layer with a mass of a base material of the part to form an imprint; separating the mass and the metal layer from the substrate, the mass then exhibiting an external element formed by a recess, the shape of which corresponds to the imprint and the base of which interfaces with the metal layer.

Abstract: The invention relates to a method for mounting at least one decorative element (3) on a support (2) comprising the steps of: a. taking a support (2) provided with at least one cavity (4); b. taking at least one decorative element (3); c. filling said cavity with a composite filler material comprising at least one metal powder and at least one organic binder and having, at the moment of filling, a viscosity comprised between 1,000 mPa·s and 1,000,000 mPa·s; d. heating the composite filler material to a higher temperature than its melting point to make it liquid; e. allowing the filler material to cool to form a substrate (6); f. making at least one housing (8) in said substrate (6); g. mounting said decorative element (3) in said housing (8).

Abstract: A method for fabrication of a composite component including a first material containing steel 316L and a second material containing zirconia powder formed in a single sintering.

Abstract: A method for assembling a stone on to a mounting, the stone being cut to have a crown, a girdle and a pavilion, the method including providing a substrate including an adhesive layer; positioning the stone on the adhesive layer; heating the adhesive layer; exerting a pressure on the stone; positioning a setting sheet around the stone above the adhesive layer, so as to form a peripheral free space between the setting sheet and the stone, at least at the level of the girdle and of areas of the crown and the pavilion adjacent to the girdle; depositing a metallic layer in the peripheral free space from the setting sheet, at least at the level of the girdle and of the areas of the crown and the pavilion adjacent to the girdle, the metallic layer and the setting sheet forming the mounting; releasing the stone and its mounting from the substrate.

Abstract: A method for assembling a stone on a setting support, the stone being cut to exhibit a table, a crown, a girdle and a pavilion. A substrate with a recess for the stone, the recess forming, between the substrate and the stone, a peripheral free space in the vicinity of the girdle and of the zones of the crown and of the pavilion contiguous to the girdle, the peripheral free space including a bottom having a conductive surface. Electroplating, in the peripheral free space, a metal layer in the vicinity of the girdle and of the zones of the crown and of the pavilion contiguous to the girdle, so as to confine the girdle in the metal layer to form, around the girdle, the setting support. The stone and its setting support are released from the substrate.

Abstract: A polycrystalline ceramic solely formed based on alumina, on chromium oxide and on magnesium oxide, where the polycrystalline ceramic contains between 0.8% and 1.2% of chromium oxide by total weight of the polycrystalline ceramic and between 0.03% and 0.09% of magnesium oxide by total weight of the polycrystalline ceramic, making it possible to obtain a red ceramic with a toughness (Kc) at least equal to 2.8 MPa·m1/2.

Abstract: A decorative piece including a support made of a material having no plastic deformation in which at least one hollow is arranged. The hollow is filled with a first material forming a substrate in which at least one housing is arranged, the at least one housing configured so that at least one aesthetic element can be housed therein.

Abstract: A decorative piece includes a support made of a material having no usable plastic deformation in which at least one hollow is arranged. The hollow is filled with a first material forming a substrate in which at least one housing is arranged. The housing is arranged so that at least one aesthetic element is housable therein. The substrate further includes a gripper deforming by thermal expansion to retain the aesthetic element in the housing. The gripper further includes at least one setting element. A method for setting an aesthetic element on a support includes taking a support provided with at least one hollow, taking at least one aesthetic element, filling the hollow with a first material, making a setting hole and a gripper in the first material, and setting the aesthetic element by placing it in the hole and by deforming the gripper so as to retain the aesthetic element.

Abstract: An exterior element for portable objects including a support, on which is arranged a first material, the first material being chosen to be capable of reflecting different visible wavelengths as a function of applied stress.

Abstract: The method makes it possible to produce a decorated element for a timepiece or piece of jewelry. This decorated element may be, for example, a watch dial. The method includes the steps of taking a base substrate, and micromachining on said base substrate a mold or decorative partitions in a programmed pattern, and filling the mold or the decorative partitions with at least one filler material to obtain the decorated element. The filler material may be an epoxy resin and the mold or the partitions are obtained by melting and solidifying a solder paste or powder.

Abstract: A transparent substrate made of a transparent material resistant to temperatures higher than 500° C., such as sapphire, includes recesses in at least one of its faces and/or a groove machined into its thickness, that are covered with opaque, translucent or transparent enamel depositions that may or may not be colored, depending upon the pigments used in the enamel composition.

Abstract: A self-lubricating solid composite coating configured for an application to timepiece mechanisms, including particles of graphene and/or graphene oxide distributed in a metal matrix.

Abstract: A functional micromechanical timepiece assembly including at least a first component, including a first layer defining a first contact surface configured to come into friction contact with a second contact surface defined by a second layer, the second layer belonging, either to the first component, or to at least a second micromechanical component forming the assembly with the first component. The first and second layers each include carbon with at least 50% carbon atoms and, on the first and second contact surfaces, the layers have different surface crystalline plane orientations from each other.

Abstract: The invention relates to a process for the production of a part provided with an external element, wherein the process comprises the following steps: provide an electrically conductive substrate having an upper surface and a raised pattern on said upper surface, wherein the pattern has an crest deposit an electrically insulating layer onto the upper surface of the substrate around the pattern to a thickness less than or equal to the distance between the crest and the upper surface deposit a metal layer onto the crest of the pattern by galvanic growth so that at the end of this step the metal layer partly rests on the insulating layer dissolve the insulating layer cover an assembly comprising the substrate and the metal layer with a mass of a base material of the part, wherein the mass forms an imprint of the assembly separate the mass and the metal layer from the substrate, wherein the mass then exhibits an external element formed by a recess, the shape of which corresponds to the imprint of the pattern an

Abstract: The invention relates to a process for the production of a part provided with an external element comprising the following steps: provide an electrically conductive substrate having an upper surface and a pattern forming a recess in said upper surface deposit an electrically insulating layer into the pattern so that the insulating layer extends as far as the upper surface deposit a metal layer onto the upper surface of the substrate by galvanic growth so that at the end of this step the metal layer partly rests on the insulating layer dissolve the insulating layer cover an assembly comprising the substrate and the metal layer with a mass of a base material of the part, wherein the mass forms an imprint of the assembly separate the mass and the metal layer from the substrate, wherein the mass then exhibits an external element with a shape corresponding to the imprint of the pattern.

Abstract: A self-lubricating solid composite coating configured for an application to timepiece mechanisms, including particles of graphene and/or graphene oxide distributed in a metal matrix.

Abstract: A method of decorating an element. This method includes the steps of: taking the element (1, 11, 21, 31), the element including anchoring (7) for improving the securing of the decoration (5) to the element; making a mask (4) of the desired thickness of the decorations (5), and having at least one opening (4?); placing the at least one opening in the mask (4) against the place to be decorated so as to form at least one mold (4?, 6, 6?, 6?, 100); filling the at least one mold with an at least partially amorphous material via hot forming; and removing the mask (4).