Class 65/540 - With furnace charging means

Subclass of Class 65 - Glass manufacturing
Definition: Apparatus including means to feed raw materials to a melting
No. of patents: 34
Last issue date: 01/22/2008

Number	Title	Issue Date
7320232	Apparatus for fabricating holey optical fiber There is provided an apparatus and method for fabricating a holey optical fiber. An optical fiber with air holes of a predetermined size and shape along the length of the optical fiber is drawn by supplying nitrogen gas into air holes through one end of a holey opti...	01/22/2008
7194874	Screen for fiberizing bushings and method A bushing for fiberizing molten material, such as molten glass, having a screen mounted in the bushing spaced above the tip or orifice plate with a central portion of the screen having a significantly lower percent of hole area than the percent of hole area in end p...	03/27/2007
7194875	Fiberizing bushing with improved screen A bushing for fiberizing molten material, such as molten glass, having a screen mounted in the bushing spaced above the tip or orifice plate with a central portion of the screen having a significantly lower percent of hole area than the percent of hole area in end p...	03/27/2007
7040122	Process for production of molten glass The invention concerns a process and a device from the production of molten glass. According to the invention, measures will be taken to lead the current of the molten glass through the tank furnace so that cutoffs of the glass current between the surface of ...	05/09/2006
7007515	Noble metal duct for conducting a glass melt and method for conducting a glass melt The double-walled noble metal duct (1) for conducting a glass melt has an outer noble metal pipe (1b) and an inner noble metal pipe (1a) extending within the outer pipe, so that an inner space (21) is formed within the inner...	03/07/2006
6993937	Preform inlet arrangement for an optical fiber drawing furnace, a furnace provided with that kind of inlet arrangement, and a preform equipped to co-operate with that inlet arrangement An inlet arrangement for inserting a preform (3′) into a furnace (1′) for drawing a fiber (2′). The furnace includes an enclosure (4′) at the top of which there are both an opening to allow insertion of a preform which moves in tr...	02/07/2006
6945079	Optical fiber drawing system for non-contact control of polarization mode dispersion of optical fiber Disclosed is a system for drawing an optical fiber for controlling polarization mode dispersion. A furnace is provided for uniformly heating an optical fiber preform in the drawing system mounted to an optical fiber draw tower. The furnace comprises: (a) a main body...	09/20/2005
6923025	Device for sintering a shaped body The invention concerns a device (1) for sintering of a porous mold body (2) in a gas-tight chamber (3), with the mold body (2) hanging loose from a link chain (7) so that it can be fed continuously to a heating zone (5). In ...	08/02/2005
6810692	Method of controlling an upper portion of an optical fiber draw furnace A furnace for drawing an optical fiber provided with a muffle tube (10) and inner tubes (5,5′) connected to the upper end of the core tube, wherein a preform (1) supported by a dummy rod (2) at the upper part thereof is disposed inside ...	11/02/2004
6668592	Optical fiber drawing furnace having adjustable partitions A furnace for drawing an optical fiber provided with a muffle tube (10) and inner tubes (5,5') connected to the upper end of the core tube, wherein a preform (1) supported by a dummy rod (2) at the upper part thereof is disposed inside the muffle tube (10...	12/30/2003
6647747	Multifunctional apparatus for manufacturing mineral basalt fibers The invention discloses a multifunctional apparatus and method to manufacture mineral (basalt) fibers to be drawn/attenuated into a continuous strand made from natural rock basalts with and without supplemental minerals. More specifically this invention d...	11/18/2003
6640589	Glass base material drawing apparatus and method for drawing glass base material The glass base material drawing apparatus for heating and drawing a glass base material has a storage unit for storing the glass base material having an opening unit that is opened along the longitudinal direction of the storage unit when the glass base m...	11/04/2003
6519977	Optical fiber preform suspending and supporting apparatus and optical fiber preform processing apparatus An optical fiber preform suspending and supporting apparatus able to prevent deformation of a pin placed in a high temperature environment and able to support a porous optical fiber preform without adversely influencing supports of the pin and without cau...	02/18/2003
6381990	Draw furnace sealing assembly and method An apparatus and method for sealing the top of an optical waveguide draw furnace is disclosed. The apparatus includes an assembly constructed and arranged to removably cover the top of the draw furnace while mating with the downfeed handle. The apparatus ...	05/07/2002
6314760	Glass melting apparatus and method A system for melting and delivering glass to a work area such as spinners for making fiberglass includes a melter with heaters so arranged that the "hot spot" in the molten glass is located away from the walls and corrosion sensitive parts so that the var...	11/13/2001
6055830	Optical fiber spinning apparatus and method A furnace minimizes the lowering of the quality of optical fibers, especially those lowerings of the quality that stems from variations of the conditions inside of the furnace. These variations can occur when a preform is connected to an auxiliary quartz ...	05/02/2000
6044667	Glass melting apparatus and method A system for melting and delivering glass to a work area such as spinners for making fiberglass includes a melter with heaters so arranged that the "hot spot" in the molten glass is located away from the walls and corrosion sensitive parts so that the var...	04/04/2000
6029477	Systems and process for recycling glass fiber waste material into glass fiber product The present invention provides a system for producing glass fiber product from scrap glass fibers comprising at least one crusher having at least one pair of rotatable rollers which rotate at essentially the same speed, the rollers having intermeshing pro...	02/29/2000
5961686	Side-discharge melter for use in the manufacture of fiberglass An electric open-top melter for use in the manufacture of mineral fibers, such as fiberglass, is provided with a side-discharge outlet. The side-discharge outlet allows the melter, conditioner/refiner, and forehearth to all be located on substantially the...	10/05/1999
5931984	Device for drawing down an optical fiber preform A device for drawing down an optical fiber preform (2) connected at one end to a feed rod (3) having an equal or smaller diameter. A chamber (11) in which the preform is drawn has an upper part (11A) with an opening (12). The opening engages the preform t...	08/03/1999
5928401	Process of making fibers with a rotary ring furnace above a circular forehearth A process and apparatus are described for forming glass fibers which utilizes a rotating melter for the fiber glass batch materials and stators which house the fiber forming bushings. The stators are encompassed by the rotating melter, but not physically ...	07/27/1999
5713979	Heat treatment facility for synthetic vitreous silica bodies An induction-heated furnace, suitable for heat treatment of synthetic silica bodies, under conditions of high purity, includes a tubular susceptor (1) disposed with its axis vertical and an induction coil (3) for raising the temperature of the susceptor. ...	02/03/1998
5709728	Method and device for the production of mineral wool by using mineral wool waste as recycled starting material The melting tub for producing the molten mass from a mixture of raw material is associated with an additional melting unit by means of which a recycled molten mass is obtained from mineral wool waste largely corresponding to the molten mass obtained from ...	01/20/1998
5157685	Method and apparatus for preparing a melt for mineral fibre production A method of preparing a melt for mineral fibre production wherein a mixture of mineral fibre-forming raw materials is introduced into a shaft furnace and is heated to melting temperature by a plasma gas stream formed in a plasma torch and wherein waste ma...	10/20/1992
4822388	Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining The operation of mineral wool cupolas is improved in several respects and a waste material is efficiently disposed of by using spent pot lining from electrolytic aluminum reduction vessels in the mineral wool cupolas as a partial or complete replacement f...	04/18/1989
4617041	Method for continuously manufacturing elongated bodies starting from unmolten solid starting material A method for continuously melting a glass by means of a high-frequency electromagnetic field in a melting tube is provided. In this technique, the electromagnetic field is coupled in the melt by means of a coil present within a cooling jacket surrounding ...	10/14/1986
4486211	Apparatus and methods of operation for converting fly ash into high quality mineral wool A system for converting fly ash into mineral wool including an airtight chamber enclosing a molten stream from a spinner and providing an adjustable access to a bin for receiving shot and including an airflow device for drawing air from the bin, through t...	12/04/1984
4330313	Preheat hopper agitators A pellet preheat hopper is disclosed, the hopper being equipped with agitator means proximately coincident with the upper operating pellet level to break up pellet encrustation....	05/18/1982
4328016	Method and apparatus for drying glass batch pellets A process for preheating glass batch pellets is disclosed, the pellets being preheated by tumbling them into a heated gas stream and subsequently by contact of the pellets, in the form of a moving bed, with hot gases from the furnace in which the preheate...	05/04/1982
4113457	Apparatus for supplying glass bodies to glass melters Apparatus is provided for supplying glass to glass melters, the glass specifically being glass bodies in the form of marbles or balls. The marbles are fed by gravity from a hopper to melting units therebelow through flexible supply chutes. Between the hop...	09/12/1978
4063915	Marble melt glass fiber feed system A marble feed system is disclosed for feeding glass marbles into a marble melt glass fiber forming bushing. The system comprises a storage container or hopper, a marble pre-melter, a glass fiber forming bushing, and a chute connecting the container or hop...	12/20/1977
4054434	Production of glass fibres The disclosed invention pertains to a process for melting glass in which scrap glass fibers containing carbonaceous material to provide a carbon content of 0.4%-0.04% in a batch is combined with batch materials in which the scrap amounts to 5%-25% by the ...	10/18/1977
4043778	Electric resistance bushing for melting inorganic materials The present invention involves an electrical resistance heated bushing for melting inorganic materials, particularly glass, and for exuding molten material through a plurality of orifices in the bushing to form fibers suitable for coating with metal in co...	08/23/1977
3945814	Apparatus for feeding particles of glass into crucibles for extrusion of glass filaments Glass tablets which are to be introduced seriatim into an elongated melting chamber of a crucible having orifices for extrusion of glass filaments are stored in a magazine and are fed onto the first section of a first vibrating trough whose sections have ...	03/23/1976

PatentStorm

Quotables

PatentStorm News

Class 65/540 - With furnace charging means