| Patents for C03B 37 - Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags (16,026) |
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| 06/07/1991 | CA2031365A1 Discontinuous fibres production process and resulting products |
| 06/05/1991 | EP0430781A1 Process for producing a hollow optical fibre |
| 06/05/1991 | EP0429527A1 Method of enhancing the purity of fused quartz. |
| 06/05/1991 | EP0429520A1 Orientating optical fibres. |
| 06/05/1991 | CN1051899A Method for preparing vaporized reactants for chemical vapor deposition |
| 05/30/1991 | WO1991007355A1 Process for aligning an optical fibre in a bore, and device for carrying out the process |
| 05/29/1991 | EP0429238A2 Self-supporting coil of optical fiber and method of forming the coil |
| 05/29/1991 | CN1051715A Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats |
| 05/28/1991 | CA1284442C Method for making index-profiled optical device |
| 05/28/1991 | CA1284433C Optical fiber-device interconnection and method |
| 05/22/1991 | EP0428068A1 Method and apparatus for making a preform doped with a metal oxide |
| 05/22/1991 | EP0428063A1 Programmably controlled fibre glass strand feeders and improved methods for making glass fibre mats |
| 05/22/1991 | CN1012641B Method for fabricating articles which include high silica glass bodies and articles formed thereby |
| 05/21/1991 | US5017209 High temperature furnace with thermal insulation |
| 05/21/1991 | US5017207 Method and apparatus for forming glass flakes |
| 05/21/1991 | US5017205 Nozzle plate for spinning glass fibres |
| 05/15/1991 | CN1051338A Prodn. of aluminium silicate fibre by directly using clay ore as raw material |
| 05/14/1991 | US5015278 Open bottomed spinner for mineral fibers |
| 05/14/1991 | CA2029571A1 Self-supporting coil of optical fiber and method of forming the coil |
| 05/08/1991 | EP0425649A1 Process for the manufacture of objects with small complex cross-sections |
| 05/02/1991 | WO1991005743A1 Method for preparing vaporized reactants for chemical vapor deposition |
| 05/02/1991 | DE3936006A1 Low attenuation optical fibre preform - by internal tube coating, using low viscosity molten layer as first layer |
| 05/01/1991 | WO1991006512A1 Production method for optical fiber base material |
| 04/30/1991 | US5011523 Process and device for producing a yarn or ribbon formed from reinforcement fibers and a thermoplastic organic material |
| 04/30/1991 | CA1283568C Crystalline optical fiber and its method of manufacture |
| 04/30/1991 | CA1283543C Method for producing glass preform for optical fiber |
| 04/24/1991 | EP0423242A1 Apparatus for machining by the means of a plasma beam a workpiece made of a material of high softening or melting point, especially quartz, glass or a metal |
| 04/23/1991 | US5009692 Method of making fiber optic coupler |
| 04/18/1991 | WO1991004950A1 A connector |
| 04/18/1991 | CA2027761A1 Method for preparing vaporized reactants for chemical vapor deposition |
| 04/17/1991 | CN1050710A Method for making glass fiber mats using controllable fiber glass strand feeders |
| 04/17/1991 | CN1012363B Process for high bandwidth gradually changing model multimould optical fibre |
| 04/17/1991 | CN1012362B Method for producing glass preform for single mode optical fibre |
| 04/16/1991 | US5007947 Method for the manufacture camera mirror-drum |
| 04/10/1991 | EP0421375A1 Method for making glass fiber mats using controllable fiber glass strand feeders |
| 04/10/1991 | EP0420989A1 Sintering furnace for producing quartz base material |
| 04/07/1991 | CA2026759A1 Method for making glass fiber mats using controllable fiber glass strand feeders |
| 04/04/1991 | DE3932120A1 Thin glass rods prodn. useful in preforms - by compressing melt under increased pressure using transport gas |
| 04/03/1991 | EP0420239A1 Method of manufacturing preform for nonoxide glass fiber |
| 04/03/1991 | EP0420148A1 Furnace for production of optical fiber preform |
| 04/03/1991 | CN1050369A Process of production of glass transformed into continuous or staple fibers |
| 04/02/1991 | US5004707 Lightwave guide produced from special substrate glasses by ion exchange against CS+ ions |
| 04/02/1991 | CA1282244C Method of producing effective porous glass shapes |
| 03/27/1991 | EP0419322A1 Process of making glass to be transformed into continuous or discontinuous fibres |
| 03/27/1991 | EP0259364B1 Bushing balance controller |
| 03/26/1991 | US5002598 Process of making multifilament glass strand |
| 03/26/1991 | CA2025880A1 Furnace for production of optical fiber preform |
| 03/21/1991 | DE3929894A1 Continuous optic fibre drawing giving no stoppages of fresh material - uses preform chucks which change places to keep continuous feed to furnace |
| 03/19/1991 | US5000773 Process for producing preforms for optical fibers |
| 03/19/1991 | US5000771 Method for manufacturing an article comprising a refractory dielectric body |
| 03/13/1991 | EP0416640A2 Method of fabrication of a fused optical coupler and coupler manufactured accordingly |
| 03/13/1991 | EP0416614A1 Furnace for heating glass preform for optical fiber and method for producing glass preform |
| 03/12/1991 | CA1281188C Apparatus for producing mineral fibres from silicate raw materials such as basalt by blast drawing |
| 03/07/1991 | WO1991003435A1 The destruction and re-use of mineral wool scrap |
| 03/07/1991 | DE3929195A1 Clamping and sealing system for coating optical cable preforms - has chuck, gripper body and clamping ring which centralises the glass preform and comprises O=ring for air-tight seal |
| 03/07/1991 | DE3929194A1 System for clamping glass preforms for optical fibres during coating - has chuck, tapered gripper body with clamping blades and clamping ring for uniform control clamping |
| 03/07/1991 | DE3929193A1 Appts. for fusing glass tube onto glass bar for optical cables - has chuck, clamping sleeve and ring for tube, clamping sleeve and ring for rod |
| 03/07/1991 | CA2024131A1 Furnace for heating glass preform for optical fiber and method for producing glass preform |
| 03/06/1991 | EP0415341A1 Method for producing porous glass preform for optical fiber |
| 03/02/1991 | WO1991003436A1 Fabrication of fused fibre devices |
| 03/02/1991 | CA2065149A1 Fabrication of fused fibre devices |
| 03/01/1991 | CA2023445A1 Method for producing porous glass preform for optical fiber |
| 02/27/1991 | EP0414369A2 Single-mode, single-polarization optical fiber |
| 02/27/1991 | CN1049563A Polarisation-maintaining single-mode optical fibre |
| 02/27/1991 | CN1049488A Rubber roller for glass fiber cutter and prepn. thereof |
| 02/26/1991 | US4995892 Process and apparatus for controlling the thermal environment of glass fiber forming |
| 02/21/1991 | WO1991002361A1 Apparatus and method for nuclear fusion and target treatment |
| 02/20/1991 | EP0413387A1 Polarisation-maintaining single-mode optical fibre |
| 02/20/1991 | EP0205534B1 Optical fibres and methods of manufacture thereof |
| 02/20/1991 | CN1011687B Reel for carring optical fibre |
| 02/07/1991 | DE3925961A1 Optical fibre drawing device - with seal opening for variable cross=section |
| 02/07/1991 | DE3925946A1 Protection tube for drawn optical fibre - has telescopic design |
| 02/07/1991 | DE3925945A1 Preform chemical vapour deposition process - for optical fibres by specified planetary gear drive |
| 02/07/1991 | DE3924287A1 Optical fibre drawing appts. - with min. vibration of preform feed device |
| 02/06/1991 | EP0411527A1 Process for producing an optical fibre with a doped cladding |
| 01/31/1991 | DE3924288A1 Optical fibre parison cleaning rod - with flexible spiral, removes deposited soot from inside |
| 01/31/1991 | DE3924286A1 Drawing glass fibre preforms into optical fibres - drawing slide is moved by spindle and nut which can be operated independently to give slow preform guidance and fast return |
| 01/30/1991 | EP0410889A1 Process and apparatus for treating glass waste or mineral fibres for recovery |
| 01/30/1991 | CN1011407B Heating furnace seal apparatus for drawing glass rod |
| 01/29/1991 | US4988374 Method and apparatus for contaminant removal in manufacturing optical fibre |
| 01/27/1991 | CA2021735A1 Process and device for recoverable glass or numeral fiber wastes |
| 01/24/1991 | DE3923686A1 Pretreating optical waveguide substrate tube - with diffusion barrier-forming gas prior to coating |
| 01/22/1991 | US4986939 Method for the production of cylindrically symmetric bodies with a radial gradient |
| 01/22/1991 | US4986620 Passive fiber-optic component |
| 01/22/1991 | CA1279289C Extruding reduced viscosity silica into green body, purification and sintering |
| 01/22/1991 | CA1279192C Terminal connection for fiber glass bushing |
| 01/16/1991 | EP0407682A2 Method and apparatus for manufacturing an elongated integral body having an axially varying cross-section, and the body made thereby |
| 01/16/1991 | CN1011227B Mfg. method for optics fibre |
| 01/15/1991 | CA1279032C Manufacturing glass bodies by means of shearing forces in elastic mould, purification and sintering |
| 01/09/1991 | EP0406796A1 Method for continuous production of a glass rod, in particular for producing laser matrices or preforms for drawing optical fibres |
| 01/09/1991 | CN1048419A Method of and apparatus for receiving mineral fiber |
| 01/09/1991 | CN1048373A Electric controller of wire drawing machine used for making gross roll pack of glass fiber |
| 01/09/1991 | CN1048372A Process for thermal treatment of glass fiber preform |
| 01/09/1991 | CN1011138B Glass body formed from vapour-derived gel and process for producing same |
| 01/08/1991 | CA1278686C Apparatuses in the manufacture of mineral wool |
| 01/08/1991 | CA1278685C Method of making polarization preserving optical fiber |
| 01/03/1991 | DE3921489A1 Image transmitting optical fibre - with many conductive cores embedded in powder and fused in position, all of specified material |
| 01/02/1991 | EP0406107A1 Process and apparatus for collecting mineral fibres |
| 01/02/1991 | EP0406106A1 Process and apparatus for collecting mineral fibres |
| 01/02/1991 | EP0405580A2 Process for thermal treatment of glass fiber preform |