Abstract: A flexible tube designed to store and dispense liquid-to-pasty products containing fragrances, aromas or [substances] sensitive to oxidation, whose wall bears over its entire surface a coating comprising a layer of thickness comprised between 150 and 1500 Å of a material or a mixture of materials belonging to the following group: hydrogenated or non-hydrogenated, nitrogenated or non-nitrogenated amorphous carbon, oxides, nitrides or carbides or their mixture or their combination with one or more of the following metals (Si, Mg, Al, Ti, Zr, Nb, Ta, Mo, W, V). Preferably, this is an internal coating. The coating is created by means of a plasma, preferably under atmospheric pressure, by decomposition of a gaseous compound and condensation on the substrate or even by means of a plasma ribbon. The coating can be mixed or gradual: for example, carbon with polymeric tendency in the sublayer and silica on the surface.

Abstract: A shiny or decorative aluminum or aluminum alloy based strip coated with an mproved corrosion-resistant protective coating for preserving the surface appearance of the strip and providing port-forming protection thereof, wherein said coating consists of a layer of silicon oxide.

Abstract: Process for the electrolytic deposition of composite nickel onto the face of a part of a motor vehicle, in particular the bore of a casing or engine block of an internal combustion engine comprising at least three successive stages, the first being an electrochemical activation stage where the part is brought to anodic polarity in a bath containing a halogenated acid salt of nickel, the second being a stage of superactivation of the surface and the third being a stage of electrolytic deposition of a nickel layer containing particles of solid substances where the part is brought to cathodic polarity in a nickel-plating bath containing a charge of solid particles of which the diameter is advantageously between 0.5 and 5 microns and which can be of silicon carbide or any other hardening element, optionally mixed with particles of graphite.

Abstract: A process for producing an electrode plate for an electrolytic condenser. According to the process, a fixed or movable substrate is introduced into a chamber, and an oxidizing atmosphere and vaporized aluminum are also introduced into the chamber, under a pressure of 0.8 to 2.3 Pa in a deposit zone. A coating of grain agglomerates comprising a porous matrix of aluminum oxide containing metallic aluminum crystallites arranged randomly within the grains is deposited onto at least one surface of the substrate by condensation from the atmosphere at a rate between 0.03 and 0.2 micrometers per second. The coated substrate is then removed from the chamber and subjected to a chemical or electrochemical stabilization treatment.

Abstract: The invention relates to a plate which is intended to produce either an anode or a cathode of an electrolytic condenser. The plate is in the form of an electricity conducting substrate coated with an aluminium based deposit constituted of grain agglomerates where more than 50% by weight of the total deposited aluminium is in oxide state and forms a porous matrix of aluminium oxide containing metallic aluminium crystallites. The invention enables plates to be obtained which have an increased output, and the invention thus enables the condensers which will be associated with them to be of reduced size.