Patents for C03B 37 - Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags (16,026)
06/1994
06/22/1994EP0602467A1 Reare earth doped optical fibre amplifiers
06/22/1994EP0602187A1 Photocurable polyimide coated glass fiber
06/21/1994US5322650 Method and apparatus for producing fibers
06/15/1994EP0601803A2 Nozzle tip for spinning glass fiber having deformed cross-section, glass fiber having deformed cross-section, and method of manufacturing same
06/15/1994EP0601601A1 Coolant recovery system
06/15/1994EP0600985A1 Low loss high numerical aperture cladded optical fibers.
06/14/1994US5320660 Method of manufacturing an optical fibre
06/14/1994US5320658 Process of drawing optical fiber
06/09/1994WO1994012441A1 Textile silica sliver
06/08/1994CN1087611A Method and apparatus for the production of mineral wool and mineral wool threby produced
06/08/1994CN1087610A Method and apparatus for the production of mineral wool, and mineral wool thereby produced
06/07/1994US5318754 Low thermoconductive construction material for door and furnace walls; continuous cooling of surfaces by circulating air; accuracy; materials handling
06/07/1994US5318613 Reduction in the number of fiber breaks
06/07/1994US5318612 Producing hollow silica bar, cleaning, heating to above melt-ing point, thermic glazing, depositing vitreous coating from gas mixture, collapsing bar-using temperature variations for above steps
06/07/1994US5318611 Drying to remove residual water, purging to remove trapped gases
06/07/1994US5318432 Apparatus for forming porous preform used to fabricate optical fiber
06/07/1994CA1330003C Palladium-based alloys containing tin and their use in the glass industry, especially for protecting components against corrosion by molten glass
06/07/1994CA1330002C Palladium-based alloys containing at least one additionnal element and their use in the glass industry, especially for protecting components against corrosion by molten glass
06/01/1994EP0599682A1 Gaseous feeding process, paricularly for diborane and silane
06/01/1994EP0420989B1 Sintering furnace for producing quartz base material
06/01/1994CN2167089Y Two-function machine for drawing glass fibre with double crucible
05/1994
05/31/1994US5316562 Optical fiber tension monitoring technique
05/31/1994US5316561 Apparatus for manufacturing a composite strand formed of reinforcing fibers and of organic thermoplastic material
05/26/1994WO1994011317A2 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber
05/25/1994EP0598431A1 Manufacture of spinnerettes from a gold-platinum-palladium-rhodium alloy
05/25/1994EP0598349A2 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber
05/24/1994US5314521 Method and apparatus for production of glass fibers utilizing spinning cup structure
05/24/1994US5314520 Kneading silica powder, binder, water and surfactant; high strength
05/24/1994US5314519 Exposing drawn fiber to magnetic field to remove defect sites
05/24/1994US5314518 Method for producing glass preform for optical fiber
05/24/1994US5314517 Method controlling the draw rate in the drawing of a glass feedstock
05/24/1994US5314515 Method and apparatus for fiber cooling
05/18/1994EP0490961B1 The destruction and re-use of mineral wool scrap
05/18/1994CN1086905A Optical waveguide fiber with very thin titania-silica outer cladding layer and method for manufacturing same
05/17/1994US5312471 Method and apparatus for the manufacture of large optical grade SiO2 glass preforms
05/17/1994US5312470 Heat transfer means with coating of crystallographically stailized zirconia
05/17/1994US5312469 Using a spinner with a peripheral wall having an inner and outer layer; temperature differential between layers; external fluid treatment attenuates fibers
05/11/1994WO1994010097A1 Process and device for producing preforms for silica glass optical waveguides
05/11/1994EP0456743B1 Vapour-phase deposition of a fluoride glass
05/04/1994EP0312594B1 An improved polarization preserving optical fiber and method of manufacturing
05/03/1994US5309543 Method of making infrared crystalline fiber and product
05/03/1994US5309540 Optical fiber sensor and a manufacturing process for making same
05/03/1994US5308947 Iridium fiber draw induction furnace
05/03/1994US5308679 Raveling-preventing agent for glass fiber woven fabric, and glass fiber woven fabric to which the agent is applied
05/03/1994US5308371 Method of forming fluoride glass fiber preform
04/1994
04/26/1994US5307436 Partially detached core optical waveguide
04/26/1994US5306322 Vitrifying and fluorine doping
04/26/1994CA1328754C High contrast fiber optic diffusion faceplate with radiused fibers
04/26/1994CA1328739C Method of controlling glass fiber formation and control system
04/21/1994DE4234716A1 Quartz glass esp. optical fibre mfr. - in drawing reactor contg. tungsten@ heater subjected to tungsten-halogen reaction cycle
04/20/1994CN1085665A Optical fiber maintaining circular polarization state and its manufacturing method
04/14/1994WO1994007650A1 Method and apparatus for tapering a laser optical fiber to a fine point
04/14/1994WO1993025490A3 Glass fiber binding compositions, process of binding glass fibers, and glass fiber compositions
04/13/1994CN1024181C Glass-pulling technology and furnace
04/13/1994CN1024179C Furnace for heating glass preform for optical fiber
04/13/1994CN1024178C Method of and apparatus for adjusting configuration of optical substrates
04/12/1994US5303318 High power acceptable optical fiber and fabrication method thereof
04/12/1994CA1328489C Heat resistant and light weight container for materials to be ashed, and process for manufacture thereof
03/1994
03/31/1994WO1994006724A1 Method and apparatus for melting and refining glass in a furnace using oxygen firing
03/30/1994EP0589031A1 Dispersion strengthened alloys
03/30/1994CN1084641A Article comprising a rare earth or transition metal doped optical fiber
03/29/1994US5298047 Method of making a fiber having low polarization mode dispersion due to a permanent spin
03/23/1994EP0588718A1 Process for the vapour phase deposition of a fluoride glass film on a substrate
03/23/1994EP0272320B1 Homogeneous fluoroassay methods employing fluorescent background rejection
03/22/1994US5296013 Process and apparatus for the continuous production of mineral wool nonwovens
03/22/1994US5296012 Multistage oxidation to form soot
03/22/1994US5295583 Process for cleaning short mineral fibers
03/16/1994EP0494871B1 A connector
03/15/1994US5294237 Uv absorption
03/15/1994CA1327845C Optical fibre with fluorescent additive
03/09/1994EP0585639A1 Process for improving adhesive attachment
03/09/1994CN1083449A Article comprising optical fiber having low polarization mode dispersion, and method of making the fiber
03/08/1994CA1327488C Methods of soot overcladding an optical preform
03/05/1994CA2103931A1 Process for improving adhesive attachment
03/03/1994WO1994004469A1 Method and apparatus for the production of mineral wool, and mineral wool thereby produced
03/03/1994WO1994004468A1 Method for producing mineral wool, and mineral wool produced thereby
03/03/1994DE4228955A1 Optic fibre mfr. - in which laminar gas glow is formed around fibre as it is drawn from the blank to give controlled temp. behaviour
03/03/1994CA2121572A1 Method for producing mineral wool, and mineral wool produced thereby
03/02/1994EP0585088A2 Article comprising rare earth or transition metal doped optical fiber
03/02/1994CN2157930Y Asbestos treating machine
02/1994
02/23/1994EP0583943A2 Manufacture of a vitreous silica product by a sol-gel process
02/23/1994EP0583792A1 Method and apparatus for the production of mineral wool, and mineral wool thereby produced
02/23/1994EP0583791A1 Method for producing mineral wool, and mineral wool produced thereby
02/23/1994CN1082516A Manufacture of vitreous silica product
02/22/1994US5288301 Method for fabrication of fused fibre devices
02/17/1994WO1994003406A1 Thermal treatment process and device for waste and/or residual materials
02/15/1994US5286446 Cobalt-base alloy
02/10/1994DE4240354C1 Kieselsäurestapelfaser-Vorgarn, dessen Herstellung und Verwendung Silica sliver, its preparation and use
02/09/1994EP0582405A1 Method of drawing an optical fibre and fibre produced thereby
02/09/1994EP0582070A1 Process of making doped glass
02/09/1994CN1081654A Method for manufacturing optical fiber preform
02/08/1994US5284500 Core doped with rare earth
02/08/1994US5284499 Fiber is drawn from preform which is heated in furnace, gases are introduced at top of furnace into tube, tube isolates fiber from ambient atmosphere
02/02/1994EP0581324A1 A method of manufacturing an unclad infrared optical fiber
01/1994
01/26/1994EP0464161B1 Process for aligning an optical fibre in a bore, and device for carrying out the process
01/25/1994US5282079 Optical fibre amplifier
01/25/1994US5281248 VAd process improvements
01/25/1994CA1326366C Method and apparatus for producing hollow glass filaments
01/19/1994EP0579517A1 Process for making a preform for optical fibre
01/19/1994EP0579388A1 Optical fiber production method and production apparatus thereof