Patents for C03B 37 - Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags (16,026)
01/1994
01/19/1994EP0578974A2 Raveling-preventing agent for glass fiber woven fabric, and glass fiber woven fabric to which the agent is applied
01/18/1994US5279634 Method of fabricating strip monomode active optical waveguides by vitrifying an interior portion of a tube with a laser
01/18/1994US5279633 Heating silica containing sol to gel
01/12/1994EP0578553A1 Process of making a silica powder and use of such a powder in the manufacture of optical fibre preforms
01/12/1994EP0578244A1 Method and apparatus for drawing glass preform for optical fiber
01/12/1994EP0578023A1 Fiberizable zinc-phosphate glass compositions
01/11/1994US5278850 Wave-guiding structure with lasing properties
01/11/1994US5277706 Method of and an apparatus for forming fibres
01/08/1994CA2099960A1 Process for making silica powder and its use in the making of preform for optical fiber
01/07/1994CA2084471A1 Fiberizable zinc-phosphate glass compositions
01/06/1994WO1994000784A1 Photoinduced grating in b2o3 containing glass
01/05/1994CN1080401A Method and arrangement for colouring optical fibres
01/04/1994US5274896 Destruction and re-use of mineral wool scrap
12/1993
12/29/1993EP0477208B1 Process and device for air texturing
12/29/1993CN1023311C Method for producing glass preform for optical fiber containing fluorine in cladding
12/28/1993US5274734 Article comprising a rare earth or transition metal doped optical fiber
12/25/1993CA2098268A1 Optical fiber production method and production apparatus thereof
12/23/1993WO1993025925A1 Method and arrangement for colouring optical fibres
12/23/1993WO1993025490A2 Glass fiber binding compositions, process of binding glass fibers, and glass fiber compositions
12/23/1993CA2136095A1 Glass fiber binding compositions, process of binding glass fibers, and glass fiber compositions
12/22/1993EP0574704A2 Optical waveguide fiber with very thin titania-silica outer cladding layer and method for manufacturing same
12/19/1993CA2097873A1 Optical waveguide fiber with very thin titania-silica outer cladding layer and method for manufacturing same
12/15/1993EP0574299A1 Process of manufacture of a multiferrule for optical fibres
12/14/1993US5269825 Purging hydrogen from silica core, replacing with helium
12/10/1993CA2097978A1 Fiber optics multiferrule fabricating process
12/09/1993WO1993024422A1 Light transmitting device and method for the manufacture thereof
12/07/1993USH1259 Large fluoride glass preform fabrication
12/07/1993US5268015 Process for the reception of mineral fibers
11/1993
11/30/1993US5267339 Optical fiber having a core with a repeatedly changing constitutional parameter
11/30/1993CA2019945C Process and facility for the production of mineral wool fleeces specifically from rock wool
11/25/1993WO1993023341A1 Heat treatment facility for synthetic vitreous silica bodies
11/25/1993CA2135673A1 Heat treatment facility for synthetic vitreous silica bodies
11/18/1993EP0570283A1 Method for the mechanical drawing of a continuous fibre and products thus produced
11/18/1993DE4215475A1 Optical fibre drawing from preform - involves fibre cooling, with gas stream controlled by gas pressure cushion
11/16/1993US5262365 Quartz glass doped with rare earth element and production thereof
11/16/1993US5261938 Process for producing rod glass having refractive index distribution
11/16/1993CA2096102A1 Process for manufacturing a continuous yarn by mechanical stretching and resulting products
11/16/1993CA1324260C Methods of and apparatus for heating glassy tubes
11/10/1993CN1022681C Method for mfg. fiber preform for single-mode fibers
11/10/1993CN1022680C Method for producing gas preform for optical fibre
11/09/1993US5259857 Process for controlling the temperature of a fiber centrifuger
11/09/1993US5259856 Method of producing glass preform in furnace for heating glass
11/04/1993DE4233869C1 Drawing light conducting glass fibres - by feeding glass rod and glass tube into tubular furnace at different speeds and drawing thin covered rod from bottom
11/03/1993EP0568097A1 Lead-containing fluoride glass, optical fiber and process for producing it
11/03/1993EP0567961A1 Method and apparatus for drawing optical fibers
11/03/1993EP0567487A1 Stone wool.
11/03/1993EP0567486A1 Process and apparatus for making mineral wool fibres.
11/03/1993EP0567480A1 Process and apparatus for making mineral wool fibres.
11/02/1993CA2095271A1 Lead-containing fluoride glass, optical fiber and process for producing it
10/1993
10/28/1993WO1993021357A1 Dispersion strengthened alloys
10/27/1993EP0302121B1 Heating furnace for glass materials for optical fiber and method of manufacturing same
10/26/1993US5256855 Silica production
10/26/1993US5256178 Method for producing an optical fiber of halide glass, particularly an infrared permeable fiber of heavy metal fluoride glass
10/26/1993US5255854 Burner head for gas burners
10/21/1993DE4212602A1 Light waveguide comprising core and coating - where coating material is of lower refractive index than core material, and both are of oval cross=section
10/21/1993DE4212601A1 Mfg. optical fibre preform - by collapsing coated tube with controlled speed gas torch passes
10/20/1993EP0566325A1 Process and apparatus for manufacture of containers for materials being heated
10/19/1993US5254508 Sol-gel process for forming a germania-doped silica glass rod
10/19/1993US5254148 Doped silica gel
10/19/1993CA1323222C Oxide coatings for fluoride glass
10/19/1993CA1323193C Furnace for heating glass preform for optical fiber and method for producing glass preform
10/14/1993WO1993020016A1 Method and apparatus for influencing a stream of molten mineral in the manufacture of mineral wool
10/14/1993CA2093758A1 Process and apparatus for manufacture of containers for materials being heated
10/13/1993EP0565439A1 Manufacturing method for erbium-doped silica glass optical fibre preforms
10/13/1993EP0565432A1 Process for the synthesis of fluoride glass by the sol-gel process and optical fiber of fluoride glass obtained by this process
10/13/1993EP0565277A1 Sol-gel method of making multicomponent glass
10/13/1993EP0564707A1 Process and apparatus for making a composite glass preform
10/12/1993US5252274 Process for manufacture of containers for materials being heated
10/12/1993CA1322851C Method for producing preform for optical fiber
10/12/1993CA1322849C Methods of making optical fiber and products produced thereby
10/07/1993CA2023380A1 Silicon carboxide fibers from gel spinning cyclosiloxane polymer precursors
10/06/1993EP0564428A1 Electrical impedance detector for measurement of physical quantities, in particular of temperature, and process for manufacture of the said detector
10/06/1993EP0563687A2 Milled chopped fibres and process for producing the same
10/06/1993CN1077023A Electrical impedance detector for measurement of physical quantities, in particular of temperature, and process for manufacture of said detector
10/05/1993US5250097 Method for producing glass soot deposit
10/05/1993US5250096 Sol-gel method of making multicomponent glass
09/1993
09/28/1993US5248637 Aluminum-silica-titanium oxides
09/23/1993DE4209004A1 Light waveguide preform prodn - by forming complex former and rare earth cpd. using heat and leading into substrate tube
09/22/1993EP0561362A2 Glass yarn, method and apparatus for manufacturing the same
09/22/1993EP0560869A1 A method of producing fibres from mineral melt with the aid of centrifugal force
09/22/1993EP0560866A1 A method of controlling fibre generation in the manufacture of mineral fibres from mineral melt with the aid of centrifugal force and an apparatus for the implementation of the method.
09/22/1993CN1076430A Process for heating vitrification of porous preform for optical fiber
09/21/1993US5247147 Method and apparatus for heating a silica optical fiber in a fiber-drawing installation
09/21/1993US5246653 Apparatus for the continuous production of mineral wool nonwovens
09/21/1993US5246475 Method for preparing a fused silica glass body co-doped with a rare earth element and aluminum
09/21/1993CA1322275C Method and apparatus for controlling thermal environment in a glass fiber forming process
09/16/1993WO1993018420A1 Silica germania glass compositions
09/16/1993WO1993017975A1 Method of making basalt fibre
09/15/1993EP0560638A1 Process for manufacturing cylindrical glass piece, especially from fluoride glass
09/15/1993CN1076179A Fiberizing bushing and method of making the same
09/14/1993US5244485 Method of manufacturing a silica glass preform
09/14/1993US5244483 Apparatus for producing glass filaments
09/08/1993EP0559567A1 Cylindrical multiguide optical conductor for telecommunications cable
09/08/1993EP0558822A1 Means to reduce light propagation losses in optical glasses
09/08/1993EP0370001B1 Glass drawing process and furnace
09/07/1993US5242476 Heating glass preform with core and sheath to melting point, cold drawing from heated portion
09/02/1993WO1993016963A1 Process for making flaky glass and apparatus therefor
09/01/1993EP0557338A1 Apparatus and method for making glass fibers
08/1993
08/31/1993US5241615 Optical waveguide fiber with very thin titania-silica outer cladding layer
08/31/1993US5240488 Manufacture of vitreous silica product via a sol-gel process using a polymer additive