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Class Information
Number: 373/28
Name: Industrial electric heating furnaces > Glass furnace device > Filament discharge (i.e., bushing)
Description: Subject matter wherein the glass is melting in a bushing from which the molten glass is discharged as filaments, the bushing being heated by passing a current therethrough.










Patents under this class:

Patent Number Title Of Patent Date Issued
7533543 Reinforcing device for bushing used to produce filaments, such as glass-based filaments May. 19, 2009
7003986 Fiberizing bushings and methods of using Feb. 28, 2006
6813909 Reinforcement member for a bushing tip plate and related method Nov. 9, 2004
6779366 Bushing assembly/support structure arrangement Aug. 24, 2004
6272887 Bushing tip plate support assembly for a bushing in a filament forming apparatus Aug. 14, 2001
6178777 Side-discharge melter for use in the manufacture of fiberglass, and corresponding method Jan. 30, 2001
5659564 Method and apparatus for maintaining a furnace stack Aug. 19, 1997
5338329 Process and device for obtaining mineral fibers Aug. 16, 1994
5134627 Batch charger for glass furnace Jul. 28, 1992
5075076 Novel palladium-based alloys containing tin and their use in the glass industry Dec. 24, 1991
5071459 Bushing balance controller for multiple segment bushings Dec. 10, 1991
5051235 Novel palladium-based alloys containing indium bismuth, silver and copper Sep. 24, 1991
4931075 High current multiterminal bushing controller Jun. 5, 1990
4812372 Refractory metal substrate and coatings therefor Mar. 14, 1989
4794625 Method and apparatus for contolling temperature in a fiber glass forming bushing Dec. 27, 1988
4780120 Bushing balance controller and method of using same Oct. 25, 1988
4657572 Bushing balance controller and method for using same Apr. 14, 1987
4594087 Three-terminal controller for fiber glass bushing Jun. 10, 1986
4591371 Glass fiber forming bushing construction May. 27, 1986
4546485 Method and apparatus for producing uniform strands from a split fiber glass bushing Oct. 8, 1985
4438518 Method for protecting forming bushings Mar. 20, 1984
4285711 Method and apparatus for the production of glass fibres Aug. 25, 1981
4272271 Apparatus for production of mineral fibers Jun. 9, 1981
4262158 Paramelter-batch feed controlled by crust temperature and melter power by liner temperature for regulation of head Apr. 14, 1981
4231773 Fibrous glass manufacture using refractory bushing Nov. 4, 1980
4185980 Manufacturing glass with improved silicon carbide bushing operation Jan. 29, 1980
4155731 Fiber forming bushing construction May. 22, 1979
4149865 Apparatus and method for the drawing of glass fiber Apr. 17, 1979
4146373 Bushing construction Mar. 27, 1979
4146375 Method for the continuous production of glass fiber strand Mar. 27, 1979
4043778 Electric resistance bushing for melting inorganic materials Aug. 23, 1977
4026689 Apparatus for making glass fibers May. 31, 1977
4024336 Split bushing control May. 17, 1977
4003730 Apparatus for making glass fibers Jan. 18, 1977
3972702 Method and apparatus for producing fibers from heat-softenable materials Aug. 3, 1976











 
 
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