Patents for C03B 29 - Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins (2,193)
04/1989
04/19/1989EP0311600A1 Furnace heating
04/05/1989EP0310502A1 Control of electric resistances, especially those for an industrial oven
04/05/1989EP0310500A2 Bearing unit for the support rollers in a horizontal furnace, and hotizontal furnace for glass sheets
04/04/1989US4818844 Furnace heating
03/1989
03/28/1989US4816055 Method of and apparatus for carrying glass sheets during heating and tempering
03/28/1989US4816053 Production method for a low cost color CRT with self-polished flat faceplate
03/14/1989US4812152 Moving burners/in series/around closed path
03/08/1989EP0305903A1 Method for synthesis of diamond and apparatus therefor
02/1989
02/21/1989US4807144 Temperature control system for glass sheet furnace
02/21/1989US4806133 Process and apparatus for bending and tempering glass sheets
12/1988
12/20/1988CA1246876A1 Surface polishing process for glass articles
11/1988
11/08/1988US4783211 Apparatus for locally heating conveyed glass sheets
11/01/1988US4781747 Blow back control device in glass tempering system
09/1988
09/27/1988CA1242323A1 Preheaters for glass containers
09/06/1988US4769058 Method of making a smooth silica glass body
07/1988
07/06/1988EP0273883A2 Process and apparatus for bending and tempering glass sheets
07/05/1988US4755204 Manufacture of curved glass sheets
06/1988
06/21/1988US4752268 Exhaust oven for cathode ray tubes
05/1988
05/18/1988EP0267850A2 Detection of a glass plate heated to the temperature of deformation
05/11/1988EP0267119A1 Bending/tempering apparatus in the production of flat or bent glass sheets
04/1988
04/19/1988US4738705 Comprising a roller conveyor for engaging and conveying
03/1988
03/30/1988EP0261612A1 Method of and apparatus for carrying glass sheets during heating and tempering
03/30/1988EP0261548A2 Process and device for heating a flat object of thermoplastic material along a specified zone
03/15/1988US4731254 Method of, and apparatus for, repairing mechanical and/or chemical damage to the surface of bottles destined for re-use
02/1988
02/23/1988US4726832 Automobile windows
02/16/1988US4725300 Preventing heat loss from furnace
02/04/1988DE3625798A1 Process and device for preparing the individual panes of all-glass multilayer panes for welding of the pane edges
01/1988
01/27/1988CN87104844A Method of mfg. optical fibres having a core and a cladding of glass applying the rod-in-tube technique
01/20/1988EP0253427A1 Method for making optical fibres with a core and an envelope from glass using the rod-in-tube method
12/1987
12/17/1987WO1987007592A1 Process for heat-treating temperature-resistant mouldings from sintered amorphous silicon dioxide
12/16/1987EP0249361A2 Gas burner forced convection heating of glass sheets
12/10/1987DE3618610A1 Verfahren zur verguetung hochtemperaturbestaendiger formkoerper aus amorphem, gesintertem siliziumdioxyd Method of remuneration for hochtemperaturbestaendiger formkoerper of amorphous silica sintered
12/08/1987US4712086 Support frame for resistor elements in a heating furnace for glass sheets
10/1987
10/14/1987EP0241356A1 Heating techniques for glass sheets
09/1987
09/22/1987US4695821 Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
09/08/1987USRE32497 Glass furnace with heat sensing means
08/1987
08/26/1987EP0233778A1 Improvements in the manufacture of curved glass
07/1987
07/21/1987US4682003 Laser beam glass cutting
07/21/1987US4681616 Glass sheet tempering method and furnace
06/1987
06/16/1987CA1222906A1 A method for and a thermal insulation of industrial furnace crowns
05/1987
05/12/1987US4664692 Heat treatment furnace for glass
04/1987
04/01/1987EP0216338A2 Method of employing plasma for finishing start rods
03/1987
03/18/1987EP0214203A1 Process and device for the manufacture of hollow glasses with a smooth, rounded edge
02/1987
02/24/1987CA1218235A1 Apparatus and method for locally heating conveyed glass sheets
12/1986
12/30/1986US4632688 Apparatus and method for treating glass sheets
12/09/1986CA1214936A1 Process and apparatus for conveying stacks of sheet glass heated to its softening point and application of some to shaping
11/1986
11/25/1986CA1214331A1 Device for aiding in the support of a glass sheet heated to its shaping temperature and resting simultaneously on mechanical supports
11/04/1986US4620864 Glass sheet tempering utilizing heating and quenching performed in ambient at superatmospheric pressure
10/1986
10/09/1986WO1986005865A1 Furnace heating
10/08/1986EP0196730A1 Method and apparatus for repairing mechanical and/or chemical surface defects of deposit bottles
09/1986
09/12/1986WO1986005172A1 Process and device for the manufacture of hollow glasses with a smooth, rounded edge
09/09/1986US4610741 Process of manufacturing electrochemical device
08/1986
08/26/1986US4608073 Roller conveyor for a glass furnace
07/1986
07/22/1986US4601743 Glass furnace with heat sensing means
07/16/1986EP0187598A2 Furnace for bending glass sheets
07/09/1986EP0186842A1 Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
07/09/1986EP0186841A1 Support frame for resistor elements in a heating furnace for glass sheets
07/02/1986CN85109431A Support frame for resistor elements in a heating furnace for glass sheets
07/02/1986CN85109430A Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
06/1986
06/24/1986US4596527 Roller tunnel kiln
06/24/1986CA1206337A1 Pivotal shaped auxiliary gas heater for glass sheet shaping molds
05/1986
05/27/1986US4591374 Apparatus for equalizing the temperature of conveyor rolls in a glass-tempering furnace
04/1986
04/22/1986CA1203381A1 Method of and furnace assembly for bending glass sheets
04/15/1986CA1203080A1 Storing bending molds
03/1986
03/18/1986US4576571 Flame polishing from fuel oxygen flame
02/1986
02/25/1986US4572729 Hydrolysis of silicon tetrachloride and sintering of product
12/1985
12/03/1985US4555995 Reinforcing lattice filled by refractory material; hardenable adhesive protection layer
09/1985
09/24/1985CA1194095A1 Method of manufacturing a display tube
08/1985
08/21/1985EP0152163A2 Zoned lehr
07/1985
07/24/1985EP0149531A2 Tunnel Kiln
07/23/1985CA1190747A1 Glass sheet roller conveyor furnace including gas jet pump heating
07/17/1985EP0148622A2 Process of manufacturing electrochemical device
07/16/1985US4529380 Glass sheet roller conveyor furnace including gas jet pump heating
07/09/1985US4528016 Glass sheet treating furnace with a roller conveyor
06/1985
06/26/1985EP0145826A2 Process and means for the thermal insulation of industrial-kiln vaults
05/1985
05/28/1985US4519830 Temperature sensing structure for a furnace
05/21/1985US4518410 Storing bending molds
04/1985
04/17/1985EP0137200A2 Lamp unit having glass reflector member with recessed base end
04/10/1985EP0136934A1 Method of fire-polishing the surfaces of glass objects
03/1985
03/19/1985US4505671 Glass sheet roller conveyor furnace including gas jet pump heating
02/1985
02/13/1985EP0132701A2 Method of and furnace assembly for bending glass sheets
02/12/1985US4499526 Lamp unit having glass reflector member with recessed base end
02/12/1985US4498884 Method of manufacturing a display tube
02/05/1985US4497645 Method of and furnace assembly for bending glass sheets
12/1984
12/18/1984US4488892 Pivotal shaped auxiliary gas heater for glass sheet shaping molds
12/18/1984US4488846 Process and device for feeding glass sheets to a furnace
10/1984
10/30/1984CA1176844A1 Process and device for feeding a glass sheet reheat oven
07/1984
07/10/1984CA1170459A1 Method and means for controlling the temperature of a glass sheet in a multicell oven
05/1984
05/02/1984EP0107566A1 Method of transporting glass sheets brought to their deformation temperature and apparatus therefor
05/01/1984US4445922 Method of heat polishing pattern cut glassware
04/1984
04/25/1984EP0106758A1 Apparatus to assist in the support of a glass sheet brought to its deformation temperature, the sheet being simultaneously supported by mechanical means
04/10/1984US4441907 Apparatus and method for locally heating conveyed glass sheets
04/10/1984CA1165122A1 Method of and apparatus for preventing the curving of glass sheets in the roller-equipped furnace of a horizontal tempering plant
03/1984
03/28/1984EP0103983A1 Apparatus and method for locally heating conveyed glass sheets
03/20/1984US4437872 Apparatus for bending and tempering glass sheets
03/20/1984US4437871 Apparatus and method for bending glass sheets
12/1983
12/20/1983USRE31466 Process for the adjustment of the glass temperature in a float glass lehr and float glass lehr in order to bring this process into operation
10/1983
10/25/1983CA1155757A1 Method and device for machining glass and vitreous material as well as work-piece of glass or vitreous material machined according to the method
10/04/1983US4407650 Adjustable seal for glass sheet furnace
09/1983
09/07/1983EP0087793A1 Process for polishing preground surfaces on workpieces of glass
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