Patent application number | Description | Published |
20100227968 | Tire Inner Gum - A tire inner liner having a rubber composition based on at least one butyl rubber, a reinforcing filler and a plasticizing system. The composition also includes graphite and the plasticizing system comprises a hydrocarbon plasticizing resin, the glass transition temperature T | 09-09-2010 |
20100324200 | Rubber Composition in Particular for the Manufacture of Tires - A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises graphite and a functionalized or nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe. | 12-23-2010 |
20110015303 | Rubber Composition in Particular for the Manufacture of Tires - A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises at least one inert filler chosen from silicon-based lamellar mineral fillers and a nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe. | 01-20-2011 |
Patent application number | Description | Published |
20080236137 | ACOUSTIC FLOW STRAIGHTENER FOR TURBOJET ENGINE FAN CASING - The present invention relates to a structural or non-structural turbojet engine fan casing connecting arm ( | 10-02-2008 |
20110142615 | INNER WALL FOR A TURBOMACHINE NACELLE - An inner wall for a nacelle of a turbomachine, the inner wall including an outer annular fan casing for surrounding the fan blades and including at its upstream end a flange for fastening to a ring in axial alignment therewith, and a soundproofing inner annular structure for extending upstream from the fan blades, the fan casing extending substantially as far as an upstream end of the soundproofing structure such that the upstream flange of the fan casing is situated in a vicinity of the upstream end of the soundproofing structure. | 06-16-2011 |
20120085861 | DEVICE FOR ACOUSTIC TREATMENT OF THE NOISE EMITTED BY A TURBOJET - The invention provides a device for acoustical treatment of the noise emitted by a bypass turbojet comprising a primary cowl having in an outer surface an inner annular acoustic treatment panel and a secondary cowl including in an inner surface an outer annular acoustic treatment panel arranged facing the inner panel. The inner and outer panels include respective central panel portions facing each other and extending axially over a common predetermined length, the length of the central panel portions lying in the range one-fifth to four-fifths of the total length of the panels, and the ratio between the acoustic resistances of the central panel portions being not less than 2. | 04-12-2012 |
20130142624 | MULTI-LAYER ACOUSTIC TREATMENT PANEL - A multilayer acoustic treatment panel including a first cellular-structure core sandwiched between a perforated skin and an intermediate skin; and a second cellular-structure core sandwiched between the intermediate skin and a continuous skin. The perforated skin includes at least one pair of high-porosity zones presenting a perforation ratio greater than a perforation ratio of a remainder of the perforated skin and including an inlet zone and an outlet zone longitudinally spaced apart from each other, the high-porosity zones of a given pair communicating through the first cellular-structure core and the intermediate skin with the two ends of a soundwave flow channel arranged in the second cellular-structure core. | 06-06-2013 |
Patent application number | Description | Published |
20110256730 | FINISHING METHOD FOR MANUFACTURING SUBSTRATES IN THE FIELD OF ELECTRONICS - The invention relates to a method for finishing the surface of semiconducting substrate that has a set of layers and a useful semiconducting layer on at least one of the faces of the substrate, wherein the useful layer has a rough free surface. The method smoothes out the rough free surface of the useful layer by creating a protective layer covering the surface of the useful layer with a thickness 1 to 3 times larger than the peak-to-valley distance of the surface of the useful layer, at least one polishing-oxidation sequence that includes the successive steps of polishing the surface of the protective layer, with the polishing being adjusted so as not to attack the useful layer, and performing a thermal oxidation with supply of oxygen gas of the substrate in order to transform a portion of the useful layer into an oxide layer and reduce the roughness of the surface of the useful layer. | 10-20-2011 |
20110266651 | METHOD FOR MANUFACTURING COMPONENTS - The invention relates to a method for manufacturing components on a mixed substrate. It comprises the following steps: —providing a substrate of the semiconductor-on-insulator (SeOI) type comprising a buried oxide layer between a supporting substrate and a thin layer, —forming in this substrate a plurality of trenches opening out at the free surface of the thin layer and extending over a depth such that it passes through the thin layer and the buried oxide layer, these primary trenches delimiting at least one island of the SeOI substrate, —forming a mask inside the primary trenches and as a layer covering the areas of the free surface of the thin layer located outside the islands, —proceeding with heat treatment for dissolving the buried oxide layer present at the island, so as to reduce the thickness thereof. | 11-03-2011 |
20120012244 | TEMPORARY SUBSTRATE, TRANSFER METHOD AND PRODUCTION METHOD - The present invention relates to a method of manufacturing a temporary substrate, the temporary substrate thus produced, and a method of using the temporary substrate for transfer of a thin layer from an original substrate to a final substrate. The temporary substrate has a principle part of the original substrate and a surface layer thereon that includes a plurality of inserts formed of a material having a coefficient of thermal expansion different from that of the material constituting the rest of the surface layer. When exposed to heat treatment, these inserts form detachment zones between the upper face of an attached thin layer and the temporary substrate. | 01-19-2012 |
20120015498 | TEMPORARY SUBSTRATE, TRANSFER METHOD AND PRODUCTION METHOD - The present invention relates to a temporary substrate having a bonding surface prepared for receiving an additional substrate that will transfer a thin layer. This substrate includes a principal part or support and a surface layer thereon with the surface layer having a plurality of inserts therein. The inserts are made of a material having a coefficient of thermal expansion that is significantly different from that of the material constituting the surface layer. The present invention also relates to a processing method for transferring a selected portion of an original substrate as well as to a production method for manufacturing the temporary substrate. | 01-19-2012 |
20120231636 | PROCESS FOR TREATING A SEMICONDUCTOR-ON-INSULATOR STRUCTURE - A process for treating a semiconductor-on-insulator structure that has, in succession, a support substrate, a layer of an oxide or oxynitride of a semiconductor material, and a thin semiconductor layer of the semiconductor material. The process includes providing, on the surface of the thin layer, a mask defining exposed regions of the thin layer; providing a layer of nitride or oxynitride of the semiconductor material on the exposed regions of the thin layer; and applying a heat treatment causing at least some of the oxygen in the oxide or oxynitride layer to diffuse through the exposed regions. The nitride or oxynitride layer is provided at a thickness sufficient to provide a ratio of the rate of oxygen diffusion though the exposed regions to that through the regions covered with the mask that is greater than 2. | 09-13-2012 |
20150179603 | METHOD FOR PRODUCING COMPOSITE STRUCTURE WITH METAL/METAL BONDING - Method for producing a composite structure comprising the direct bonding of at least one first wafer with a second wafer, and comprising a step of initiating the propagation of a bonding wave, where the bonding interface between the first and second wafers after the propagation of the bonding wave has a bonding energy of less than or equal to 0.7 J/m | 06-25-2015 |
Patent application number | Description | Published |
20140345774 | TIRE COMPRISING CARCASS REINFORCEMENT CABLES HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CARCASS REINFORCEMENT - A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm | 11-27-2014 |
20150284548 | TIRE INNER LINER - A tire, the inner liner of which comprises a rubber composition based on at least predominantly a highly unsaturated diene elastomer, a reinforcing organic filler, graphite, chalk, a plasticizing hydrocarbon resin, the glass transition temperature, Tg, of which is greater than 20° C. and the softening point of which is less than 170° C. | 10-08-2015 |
Patent application number | Description | Published |
20100132952 | METHOD FOR CASING USING MULTIPLE EXPANDED AREAS AND USING AT LEAST ONE INFLATABLE BLADDER - The method of the invention comprises inserting into the well or the piping to be cased, a tube ( | 06-03-2010 |
20100193124 | Method of Lining a Well or a Pipe Using an Inflatable Bladder - According to the method, a cylindrical tube ( | 08-05-2010 |
20110056704 | METHOD AND DEVICE FOR CASING A BORED WELL PORTION - The invention comprises using a tube having a ductile and radially expansible upper portion, provided at the base thereof with a seal that is also radially expansible under the action of the weight of the tube, the latter being thus sized so that when its base abuts the bottom of the well, the upper portion is located above a fractured area to be isolated, the procedure comprising the following steps: the tube is inserted into the well so that the base thereof bears against the bottom, triggering the radial expansion of the seal; using an expansion tool, the upper portion of the tube is radially expanded beyond its yield strength in order to apply the same tightly against the wall of the well above the fractured area. The invention can be used in the petroleum industry. | 03-10-2011 |
20120211222 | DEVICE FOR APPLYING AN EXPANDABLE SKIRT HAVING APPLICATION DIAMETER CONTROL UPON ADVANCE - The present invention relates to a device for laying an expansible lining in a conduit. The device may include a patch having an initial diameter less than that of the conduit, and the patch may be configured to deform by radial expansion beyond an elastic limit to an expanded diameter such that it may contact a wall of the conduit. The device may also include an expander tool axially displaceable inside the patch, and the expander tool may be configured to cause the radial expansion of the patch to an expanded diameter. The device may also include a checking member mounted in proximity to the expander tool. A section of the checking member may be calibrated so that the checking member and the expander tool are capable of passing freely inside the patch when the patch is properly expanded, and the checking member and the expander tool are unable to pass inside the patch when the patch is improperly expanded. | 08-23-2012 |
20130140022 | Method For Repairing A Liner Hanger, Device And Blank For Implementation Thereof - Method for repairing a hanger (D) of a liner (B), for making a leak-tight connection, the liner (B) being placed inside and in the continuation of the casing (A) of a well, the method consisting in axially positioning a metal tubular blank ( | 06-06-2013 |
20150218917 | METHOD FOR REPAIRING A LINER HANGER, DEVICE AND BLANK FOR IMPLEMENTATION THEREOF - The present invention notably concerns a method for repairing a hanger (D) of a liner (B), with a view to making it leak-tight, this liner (B) being placed inside and in the continuation of the casing (A) of a well. | 08-06-2015 |