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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 6851283 | Thermoinsulating mat of mineral fibers with random orientation A mat of mineral fibers has a random or quasi-random fiber orientation. The fibers have diameters which, for the great majority of them, are 2.5 to 4.5 micrometers, and a length of 2 to 15 cm. Its density is less than 40 kg/m3. Its resistance to compressi... | 02/08/2005 |
| 6596048 | Device and method for the centrifuging of mineral fibers The present invention relates to a device for the internal centrifugation of fine mineral fibres, a method for forming fine mineral fibres, and paper containing fine mineral fibres.... | 07/22/2003 |
| 6536241 | Method and device for drawing out mineral wool fibres by free centrifuging At least two machines placed side by side, including a series of centrifuging wheels arranged in a cascaded manner and driven in rotation about axes all having substantially in a same direction. Two consecutive wheels rotate in opposite directions, and ar... | 03/25/2003 |
| 6343447 | Facade system with a translucent porous insulating material A facade system with a translucent porous insulating material of mineral or organic fibers for passive solar energy utilization is provided. The insulating material has on the outside a colored layer for design purposes and for controlling the light trans... | 02/05/2002 |
| 6342271 | Phenolic resin for glue sizing composition, preparation method and glue sizing composition containing same The invention relates to a resin composition based on a urea-modified phenol-formaldehyde resole which has a formaldehyde/phenol molar ratio of 2 to 5, exhibiting a free formaldehyde content lower than or equal to 3 percent (by weight relative to the tota... | 01/29/2002 |
| 6284684 | Mineral wool composition Mineral wool capable of dissolving in a physiological medium, which mineral wool comprises the constituents below in the following percentages by weight: SiO2 39-55%, preferably 40-52% Al2 O3 | 09/04/2001 |
| 6202448 | Making mineral fibers including adjustment of the position of a stream of glass and a rotor The production of mineral fibers by centrifuging on rollers (3, 4, 5, 6) with horizontal axes from a stream (1) of molten material includes determining the relative position of the stream (1) of molten material in relation to the first roller (3), and con... | 03/20/2001 |
| 6161593 | Ventilation duct and insulation panel used for its internal lining A ventilation duct includes an envelope lined on the inside by insulation panels. The panels have a lining on the side of the flow channel of the duct and on at least one part of at least one of transverse edges of the duct. This lining extends over at le... | 12/19/2000 |
| 6158249 | Apparatus for manufacturing mineral wool The only methods hitherto available for the production of mineral wool from materials such as basalt either utilize a stationary nozzle (blast drawing method) or external centrifuging whereby unsatisfactory yield and/or a not entirely satisfactory fiber q... | 12/12/2000 |
| 6125658 | Glass furnace and installation comprising same The invention relates to the electric melting technique, in which the melting energy is dissipated in the bath of melted glass as a result of the Joule effect by means of electrodes which dip through the surface of the bath. According to the invention, th... | 10/03/2000 |
| 6123284 | Machine for winding a fibrous mat on itself A machine winds a fibrous mat on itself after compressing it. The winding machine has two bands which each embrace about half the circumference of the roll being formed. The machine also includes a plate intended to keep the mat compressed. This plate and... | 09/26/2000 |
| 6122867 | Acoustic building structure In an acoustic building structure corresponding to the mass-spring-mass insulation principle, the two masses of the mass-spring-mass system are each formed of at least one rigid element (1,2) and are separated by at least one panel (4) of mineral wool com... | 09/26/2000 |
| 6060413 | Artificial mineral wool composition The subject of the invention is a mineral wool composition capable of dissolving in a physiological medium which comprises the constituents below, having to the following percentages by weight: ______________________________________ (CaO + MgO + ... | 05/09/2000 |
| 6060414 | Mineral fibres capable of dissolving in a physiological medium The present invention relates to mineral fibre composition which can dissolve in contact with a physiological medium. The composition of these fibres includes the following components, in accordance with the following proportions by weight: ____... | 05/09/2000 |
| 6047566 | Method and device for melting recycled silicate starting materials The present invention concerns a method for melting recycled silicate starting materials. A rotating transport flow with helical flow filaments of transport air and starting material is supplied in the direction of the helix axis into the combustion chamb... | 04/11/2000 |
| 6043170 | Mineral fiber composition Mineral fiber composition which is decomposable in the physiological medium, characterized by the following constituents in weight percent: SiO2 30 to less than 51; Al2 O3 higher than 11.5, in particular higher than 13,up ... | 03/28/2000 |
| 6037284 | Mineral fibres which can dissolve in a physiological medium The present invention relates to mineral fiber composition which can dissolve in contact with a physiological medium. The composition of these fibers includes the following components, in accordance with the following proportions by weight: ____... | 03/14/2000 |
| 5987927 | Method of making fibers with deducing the position of the point of impact of a stream of molten material The production of mineral fibers by centrifuging on rollers (3, 4, 5, 6) with horizontal axes from a stream (1) of molten material includes determining the relative position of the stream (1) of molten material in relation to the first roller (3), and con... | 11/23/1999 |
| 5987928 | Device for fiberizing molten mineral materials The present invention furnishes a device for fiberizing molten mineral materials in order to produce mineral fiber products by means of a spinner (2) having a multiplicity of orifices (6; 8) provided in the peripheral wall (4) thereof, for centrifuging mo... | 11/23/1999 |
| 5979145 | Method and device for compressing and packaging compressible products A method and apparatus for compressing and packaging compressible materials. The compression is carried out continuously between parallel plates which come closer to each other as they advance. As the plates advance, the materials are accompanied by a low... | 11/09/1999 |
| 5975146 | Ventilation duct and insulation panel used for its internal lining A ventilation duct includes an envelope lined on the inside by insulation panels. The panels have a lining on the side of the flow channel of the duct and on at least one part of at least one of transverse edges of the duct. This lining extends over at le... | 11/02/1999 |
| 5968645 | Inorganic fibre material The invention relates to a material based on inorganic fibres at least a proportion of which are multicomponent fibres and the cohesion and/or the geometry of which is (are) ensured, at least partially, by a sizing. It also relates to the use of this material ... | 10/19/1999 |
| 5952254 | Mineral wool composition The invention relates to "two-component" inorganic fibers obtained by conjoint fiber formation from two different inorganic compositions, especially two glass compositions based on SiO2, alkali metal oxides and alkaline-earth metal oxides; the ... | 09/14/1999 |
| 5900037 | Method and apparatus for producing mineral wool The present invention furnishes a method for producing mineral wool wherein a molten mineral material is fed into a spinner (1) the peripheral wall (2) of which comprises a multiplicity of orifices with small diameters wherethrough the mineral molten mate... | 05/04/1999 |
| 5879793 | Mineral wool product, method for its production, impregnating mass therefor, and use thereof A mineral wool article including a mineral wool layer, at least a region of which extends from at least one surface of the mineral wool layer into the mineral wool layer to an impregnation depth t. The region of the mineral wool layer includes individual ... | 03/09/1999 |
| 5709728 | Method and device for the production of mineral wool by using mineral wool waste as recycled starting material The melting tub for producing the molten mass from a mixture of raw material is associated with an additional melting unit by means of which a recycled molten mass is obtained from mineral wool waste largely corresponding to the molten mass obtained from ... | 01/20/1998 |
| 5671518 | Methods for producing a mineral wool needle-felt and a mineral wool product using a thixotropic additive In order to be able to consolidate mineral fibers without binder, such as in particular glass wool into a needle-felt by needle-punching, an agent as a needling aid which comprises a thixotropizing additive having a relatively low flow viscosity during ne... | 09/30/1997 |
| 5600919 | Mineral wool products for the cultivation of plants A product made of bound mineral wool for the cultivation of plants, in which a reversibly water adsorbing agent insoluble in water is bound to the mineral wool, serves for the extensive grassing of soilless grounds, in particular the grassing of roofs. It... | 02/11/1997 |
| 5596598 | Electric melting device A support for a melting electrode used in a glass melting bath. The support includes concentric tubes which provide for the circulation of a cooling fluid within the support. A current is provided through the outer tube to the electrode. The surface of th... | 01/21/1997 |
| 5460664 | Alloy for glass fibre centrifuges A nickel-based alloy useful in the manufacture of a glass fibre centrifuge of which the composition consists essentially of the following elements expressed as percentage by weight: ______________________________________ Cr 27.5-2... | 10/24/1995 |
| 5425512 | Roll of compressed fibrous mat, method and device for obtaining it A winder intended for compressing a fibrous mat 4 rolls the mat up on itself and wraps it so as to store it and transport it with a reduced bulk. The machine has two belts 1, 2 supported by two fixed rollers 9, 13 and two mobile rollers 14, 15. The tensio... | 06/20/1995 |
| 5417038 | Method and device for packaging compressible insulating products A load of compressible, fibrous insulating mats can be unified in the form of a roll or substantially parallelepiped set of panels by disposing a pallet vertically on a vertically oriented support, laying a layer of horizontally oriented products on a hor... | 05/23/1995 |
| 5340903 | Phenolic resin, procedure for preparation of the resin, and sizing composition for mineral fibers containing this resin The invention concerns a phenolic resin. The resin is a liquid, contains phenol-formaldehyde, formaldehyde-urea and phenol-formaldehyde-amine condensates, and has a free formaldehyde content of less than 3%, this proportion being expressed as a percentage of t... | 08/23/1994 |
| 5338329 | Process and device for obtaining mineral fibers For obtaining mineral fibers from a thermoplastic material having a high melting point, and more precisely for the regulation of the flow rate and temperature of the stream of molten material distributed on the fiber-drawing machine, the molten material i... | 08/16/1994 |
| 5330591 | Alloy for glass fibre centrifuges A nickel-based alloy useful in the manufacture of a glass fibre centrifuge of which the composition consists essentially of the following elements expressed as percentage by weight: ______________________________________ Cr 27.5-29.5% ... | 07/19/1994 |
| 5325178 | Method of measuring the dimensions of moving objects An optical method continuously monitors the dimensions of a body having a parallelogram cross-section and supported on a moving conveyor. A first angular measurement of a first dimension of a first face of the body in a first direction is first performed,... | 06/28/1994 |
| 5296025 | Process and device for preparing an asphalt mix In a process for preparing asphalt mixes charged with fibrous materials, the fibrous materials are introduced directly and continuously into the liquid asphalt in a drum, before or after contacting of the liquid asphalt with inert materials.... | 03/22/1994 |
| 5287651 | Apparatus for bulb plant cultivation Apparatus for the greenhouse cultivation of flower bulbs wherein the bulbs are placed in pockets (6) made in a hydrophilic mineral wool felt (5). The pockets (6) are formed at regular intervals and open only on one face of the felt. The opening formed in ... | 02/22/1994 |
| 5277706 | Method of and an apparatus for forming fibres The invention relates to techniques for forming fibres from glass or other thermoplastics materials by internal centrifugation associated with gaseous drawing at high temperature. The material to be converted to fibres is poured into a centrifuge, the per... | 01/11/1994 |
| 5270434 | Phenolic resin, procedure for preparation of the resin, and sizing composition for mineral fibers containing this resin The invention concerns a phenolic resin. The resin is a liquid, contains phenol-formaldehyde, formaldehyde-urea and phenol-formaldehyde-amine condensates, and has a free formaldehyde content of less than 3%, this proportion being expressed as a percentage of t... | 12/14/1993 |
