Abstract: A process and a device for the bending on a frame of at least one glass sheet by gravity, the bending being performed in at least two stages during which the glass sheet or sheets undergo a deformation by gravity. In a first stage, the glass sheet or sheets are bent according to a first shape corresponding to a blank or precursor of the final shape. In a second stage, the glass sheet or sheets are bent according to the final shape. The device includes a frame 1 of which at least one part has two elements, one element forming a blank frame (2, 3, 4, 5) and another element forming a final frame (2, 3, 12, 13).

Abstract: Disclosed is a material for a tempering process of glass plates utilizing a so-called contact process. It proposes a material with a base of an arrangement of thin metallic threads exhibiting a heat resistance on the order of 0.25.multidot.10.sup.-3 to 2.5.multidot.10.sup.-3 m.sup.2 .multidot.K.multidot.W.sup.-1 intended to be inserted between the cooling plates and the glass of a contact-tempering installation. The process makes it possible to temper glazings sufficiently so that they are used as automobile glazings and the durability of this thread-based material is compatible with an industrial usage.

Abstract: A method of sizing insulating glass fibers, comprising: preparing glass fibers by a high temperature aerodynamic procedure in which glass fibers are drawn out by a gas current and collected in a hood; spraying a size diluted in water onto said glass fibers in said collection hood, said size consisting essentially of an epoxy resin, an amino hardening agent and, as additives, 0.1 to 2.0% of a silane and 0 to 15% of a mineral oil, each calculated on 100 parts of dry resin, wherein said epoxy resin is a condensation product of epichlorohydrin and bisphenol A having a polymerization index n of less than 1 and the equivalent molar mass of the hardening agent is less than 100 g and said size is free of formaldehyde and components which release formaldehyde when baked; and recovering a sized insulating glass fiber product.

Abstract: A process and a device for the bending on a frame of at least one glass sheet by gravity, the bending being performed in at least two stages during which the glass sheet or sheets undergo a deformation by gravity. In a first stage, the glass sheet or sheets are bent according to a first shape corresponding to a blank or precursor of the final shape. In a second stage, the glass sheet or sheets are bent according to the final shape. The device includes a frame 1 of which at least one part has two elements, one element forming a blank frame (2, 3, 4, 5) and another element forming a final frame (2, 3, 12, 13).

Abstract: Process for making a cement mixture containing fibers wherein a paste is formed by mixing cement and, per 100 parts by weight of cement, approximately 5 to 20 parts by weight of a first pulverized material of which the grains have an average diameter of between 1/5 and 1/10 of the average diameter of the grains of the cement and approximately 20 to 35 parts by weight of water. The paste is then mixed with reinforcing fibers. The paste may also include a second pulverized material the average grain diameter of which is between 1/5 and 1/10 of the average diameter of the first pulverized material. The invention further includes products made from a cement mixture manufactured according to one of the foregoing processes.

Abstract: The invention relates to an anti-adhesive polyester film comprising polyester film support base having a semicrystalline orientation, which comprises, on at least its surface designed to receive the liquid mass, a coating comprising a fluorine-containing polymer. This application also relates to a method of forming a polyurethane layer onto an adhesive layer and the resulting polyurethane layer.

Abstract: The invention relates to the synthesis of metal salts of weak acids and in particular indium formate.It proposes a process in which the anodic oxidation of metal is achieved under the effect of electric current in a cell filled with an electrolytic solution containing weak acid whose salt it is desired to produce, having at least its anode or anodes consisting of metal whose salt it is desired to produce. The salt is available in suspension in the electrolytic solution.The invention also proposes an electrosynthesis cell, as well as products synthesized in a particular morphology.The invention applies itself to the synthesis of indium formate in particular to pyrolyze it as a thin layer on glass.

Abstract: A size for insulating type glass fibers, comprising an epoxy resin of a glycidyl ether dispersable in water, an amino setting agent having a flash point over 180.degree. C. and, as additives, 0.1 to 2% of silane and 0 to 15% of a mineral oil, each calculated per 100 parts of dry resin.

Abstract: A polyurethane-based sheet of high optical quality having energy-absorbing properties, obtained by the reactive pouring or spraying, on a flat, horizontal base, of a reactive mixture of an isocyanate component and a polyhydric alcohol component is disclosed. The ratio of the NCO equivalent isocyanate groups to the OH equivalent groups used in approximately equal to 1. The isocyanate component comprises a mixture of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate (isocyanate I) and bis-4-isocyanatocyclohexylmethane (isocyanate II), in a proportion of an isocyanate (I) NCO equivalent of 0.1 to 0.8, and of an isocanate (II) NCO equivalent, with the total NCO equivalent being about 1.The layer according to the invention is used in laminated glass containing at least one sheet of glass and one layer of a plastic material.

Abstract: The invention relates to the production of transparent electric conductors.According to the invention, a doped tin oxide layer formed by CVD is heat-treated to improve its conductivity.

Abstract: The production of mineral fiber felt into which an additional product is introduced. The felt is made partly of freshly formed fibers and partly of recycled fibers which are conveyed into a receiving chamber in which the felt is formed. The additional product is introduced with the recycled fibers. One advantageous application includes applying a surface active agent to the recycled edges to form a supporting material for hydroponic culture.

Abstract: A window glass having shaped metallic brackets with a U-shaped cross section which are force-fittingly connected by clamping to the edge areas of the glass, wherein the window glass is provide on at least one surface on the edge area overlapped by the shaped metallic bracket with a raised layer which securely adheres to the glass surface and which is made of a highly elastic polymer which produces a large-surface force connection to the abutting shaped shank with partial elastic deformation. The window glass avoids the use of adhesives between the shaped brackets and glass surface and is suitable for industrial production.

Abstract: In the manufacture of insulating shells formed by a felt of mineral fibers wound around a mandrel, main pressing elements intervene as soon as the winding begins and remain in contact with the surface of the shell during the entire winding phase. Auxiliary pressing elements intervene only when the shell, during shaping, has reached a given outside diameter of, for example, 200 mm. The invention applies particularly to the insulation of conduits of small and average outside diameters.

Abstract: The invention relates to the forming of felts, the fibres of which are disposed in random directions.These felts are obtained by depositing the fibres which are carried by a current of gas on a gas-permeable conveyor, the fibres, prior to being deposited, being coated with a binder composition. The felt constituted on the conveyor is subject to at least a longitudinal compression, the intensity of which is regulated in such a way that no creases form on the surface.The felts obtained are highly resistant to compression, to tearing and to flexion.

Abstract: A composite panel molded between a male stamping part and a female stamping part, and comprising a layer of mineral fibers having on selected zones particularly edges which are of three times the density which is normal in the panel, a surfacing layer destroyed under the action of the heat released by a knife above the said selected zones and a surfacing layer which covers the said slected zones, and a process for making the same are disclosed.The composite panel is used particularly as an inner trim for a motor vehicle.

Abstract: An electrical melting technique for glass, more specifically, a technique wherein the conductivity of the molten glass is used to develop the energy necessary to melt the raw materials. Energy is dissipated by a Joule effect into the molten mass from vertical plunging electrodes, with the composition to be melted being spread in a uniform layer on the surface of the bath. The electrodes are arranged at a distance from the refractory walls of the tank, with the distance separating the electrode from the closest lateral wall being at least half that separating two adjacent electrodes and the position of the level of the maximum temperature being regulated by the depth of immersion of the electrodes.

Abstract: The invention relates to a device for detecting sheets of glass. An essentially mechanical device constituted by a detector finger which is tilted by the leading edge of a sheet of glass, then concealed by the action of a jack to allow the sheet of glass to pass. The tilting movement is registered by a pick-up located remotely from the conveyor. The invention is directed especially at the detection of sheets of glass being carried inside an enclosed space which is at a high temperature.

Abstract: A method and apparatus are disclosed for winding at least a layer of separate fibers or groups of fibers onto a rotating support while modifying the width of the layer by moving the layer between two extreme positions perpendicular to the direction of fiber travel and simultaneously moving each fiber or group of fibers in its own plane of motion, offset in relation to a vertical plane at an angle varying from one plane to the next.

Abstract: Substrata for soil-free cultivation are characterized by a relatively low by-volume mass. They are also constituted of fine fibers. The substrata present the advantage of a high degree of water retention, even for small thicknesses.

Abstract: The invention relates to a high density composite sheet based on discontinuous mineral fibers. The inventive sheet has a content of mineral fibers greater than 70 wt. % of the total weight of fibers and binder, and has a density between 400 and 1600 kg/m.sup.3. The sheet can be employed in particular as an architectural structural wall facing, as a component of a composite insulating panel, etc., and is formed by compressing at high pressure at least one non-woven layer of discontinuous mineral fibers provided with a polymerizable resin which is cured during compression.