The Swatch Group Research and Development Ltd

Compagnie Generale Des Etablissements Michelin

Ifp Energies Nouvelles

Michelin Recherche Et Technique S.a.

Compagnie Generale Des Etablissments Michelin

Claire Rannoux

Nicolas Francois

Christophe Letondor

Anne-Lise Thuilliez

Anne-Frédérique Salit Salit

Sergey Ivanov

Sophie Gander

Maria Fernandez Ciurleo

Stewes Bourban

Marc Jacquin

Margarita Dorato

Nuno Pacheco

Romain Richard

Catherine Blanc Petiot

Oleg Ugolnikov

Damien Leinekugel Le Cocq

Nicolas Seeboth

Cedric Nicolas

Vincent Lafaquiere

Cédric Nicolas

Rachid Matmour

Nathalie Coste

Nicholas David Spencer

Nicolas François

Yannick Celerier

Severin Dronet

Milan Calic

Camille Chatard

Gilles Boutevin

Anne-Frédérique Salit

Benoît Lafin

Cédric Loubat

Yannick Célérier

Blaise Poinsot

An in-line method for marking a substrate made of extruded synthetic material, the method including the steps of extruding the synthetic material through an extrusion die to form the substrate, marking the substrate by scrolling the substrate obtained from the extrusion die between two rotatably mounted and temperature-controlled rollers with an upper roller and a lower roller, one of the rollers having an impression forming the negative of a decoration or a texture to be marked on one face of the substrate, this same roller or the other of the rollers including at least one notch allowing to guide the substrate as it passes through the extrusion die and between the two rollers. An installation can include in line the extrusion die and the marking device.

Method for marking a decorative article

A tire comprises a rubber layer comprising from 50% to 100% by mass of a rubber crumb having a ratio of the chloroform extract to the acetone extract of less than 2, the chloroform and acetone extracts being expressed as percentages by mass.

Tire comprising a crumb rubber

A method for manufacturing an external component for watches or jewellery, especially a bracelet, includes the steps of: providing a substrate including a first face opposite to a second face and co-extrusion coating the first face and the second face of the substrate respectively with a first and a second band of synthetic material. The first band forms on the first face a transparent or translucent layer so that all or part of the substrate remains visible.

External component with decoration for watches or jewellery and method for manufacturing the same

A method for making a bracelet provided with an electronic component insert, the method includes fabricating a basic, flexible support for an insert in the form of a band, making conductive paths on the flexible support or in the flexible support, disposing on the flexible support various electronic components connected to the conductive paths, and coating the electronic components disposed on the flexible support with a transparent or opaque protective layer to finish the insert of the bracelet.

Method for making a smart bracelet provided with an electronic component insert

External part for a timepiece or piece of jewellery, this external part being produced by means of a polymer matrix in which piezochromic molecules are dispersed that change from a first stable state to a second stable state while changing colour under the effect of applied pressure.

External part for a timepiece or piece of jewellery

An epilamization agent containing at least one compound including at least hydrophobic and oleophobic moieties arranged to impart epilame properties to the compound, and at least one hydrophilic moiety arranged to make the compound soluble in aqueous medium, the hydrophilic moiety being linked to the compound by at least one cleavable group. A method for coating a substrate with epilame, including: preparing an aqueous epilamization bath by solubilising such an epilamization agent, placing the substrate in contact with the epilamization agent in the epilamization bath, separating the hydrophilic moiety from the epilamization agent by cleavage, rinsing the substrate to eliminate the hydrophilic residues from the hydrophilic moiety and drying.

Epilamization agent comprising a cleavable linking group and epilamization method using such an epilamization agent

A method for manufacturing a bracelet made of synthetic material for watches or jewellery including at least one strand, the method including a step of making, by moulding or extrusion, a band of synthetic material intended to form at least one strand, the method being wherein it then includes a step of chemical mechanical polishing the band. A bracelet made of synthetic material for watches or jewellery includes at least one strand formed of an extruded or injection moulded band, wherein at least one strand has a roughness Rp less than or equal to 3 &#x3bc;m and preferably less than or equal to 2 &#x3bc;m.

Plastic bracelet and a method of making

In a 1,3-dipolar compound of formula Q-A-B, Q comprises a dipole containing at least and preferably one nitrogen atom, A, which is preferably divalent, is an atom or a group of atoms connecting Q to B, and B comprises an imidazole ring. An unsaturated polymer modified by grafting the 1,3-dipolar compound is also disclosed.

1,3-dipolar compound bearing an imidazole functional group

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.

Variable colour exterior element

A method of fabrication of a wristband of a watch or piece of jewelry, including: providing a first synthetic material; providing an extrusion line with a die plate for making an extrudate from the first material; providing one or more additional materials distinguished in their properties from the first material; providing a die plate including a first zone defining a profile allowing for fabrication of an extrudate having a hollow tubular profile at least at one of its ends in which the extrudate has a width corresponding to the length of one or two strands of the wristband; the die plate further includes a second zone allowing defining of particular profiles selected from among a flat profile, a curved profile, or a profile with projecting zones.

Wristband and its method of fabrication

A 1,3-dipolar compound bearing at least a phosphorus-containing group and a dipole containing a nitrogen atom is provided. A method for grafting the 1,3-dipolar compound on an unsaturated polymer, a diene polymer comprising, along the polymer chain, at least one pendant phosphorus-containing group, and a rubber composition based on a diene elastomer and the 1,3-dipolar compound optionally pre-grafted on the diene elastomer are also provided. The 1,3-dipolar compound allows access to rubber compositions reinforced with an inorganic filler that have a compromise of improved properties, namely hysteresis, stiffness in the cured state and reinforcement.

1,3-dipolar compound bearing a phosphorus-containing group and a dipole containing a nitrogen atom

A substrate including a surface, at least one part of which is coated with an epilamization agent including at least one compound in the form of a statistical copolymer comprising M units, N units and optionally at least one P unit, linked by covalent bonds by their main chains and randomly distributed, where N is P is 

Substrate comprising a surface coated with an epilamization agent and method for epilamization of such a substrate

An assembly of timepiece parts assembled together with an adhesive at a temperature Tand to be repositioned when the adhesive is at a temperature T. The adhesive includes a formulation, which at Tincludes a mixture of polymer chains with pendant diene units X and coupling molecules including two dienophile end groups Y, wherein the X units and the Y groups are arranged to react with one another and to bond together with the Diels-Alder reaction at a temperature Tand to regenerate with the retro-Diels-Alder reaction at a temperature T, at Tforms a three-dimensional network, in which the polymer chains are linked to one another by the coupling molecules with the Diels-Alder reaction, where T&#x3c;T&#x2264;T, where temperature Tranges between 0&#xb0; C. and 100&#xb0; C. and temperature Tranges between 50&#xb0; C. and 200&#xb0; C., and Tis strictly lower than T. A process for assembling and repositioning two timepiece parts with a repositionable hot melt adhesive to enable the timepiece parts to be repositioned when the adhesive is heated.

Assembly of timepiece parts assembled using repositionable hot melt adhesive and process for assembling and repositioning such parts

A watchmaking gasket, in particular a watch glass gasket for a timepiece, includes a polymer matrix charged with phosphorescent and/or fluorescent pigments.

Watchmaking gasket

The invention relates to a conversion method that is fed with a diol feedstock that comprises at least 90% by weight of diol and a carboxylic acid feedstock that comprises at least 80% by weight of carboxylic acid. The method comprising at least:

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Morges, Switzerland

Claire Rannoux