Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8028544 | High delivery temperature isopipe materials Isopipes (13) for making a glass or a glass-ceramic using a fusion process are provided. The isopipes are made from a silicon nitride refractory material that is: (a) produced in block form in an atmosphere having a pO2 of less than 0.1 using less ... | 10/04/2011 |
| 7685843 | Tin oxide material with improved electrical properties for glass melting A tin oxide-based electrode formed from a composition comprising a major component SnO2 is disclosed. The composition includes additives including aCuO, bZnO, and cSb2O3, wherein a, b, and c represent weight percentages of respective... | 03/30/2010 |
| 7414001 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 08/19/2008 |
| 7354878 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 04/08/2008 |
| 7290751 | Composite mold and method for manufacturing the same A composite mold comprising a main body, a molding layer formed on the main body, and a protective layer formed on the molding layer, the protective layer being made from diamond-like carbon. A method for manufacturing the composite mold comprising the following ste... | 11/06/2007 |
| 7275397 | Method of molding a silica article Disclosed are high temperature free-flow mold for the production of near net-shape silica articles and method for the production of near net-shape silica articles. The mold is preferably made of graphite, preferably coated with SiC on the surfaces of the mold cavity... | 10/02/2007 |
| 7259119 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 08/21/2007 |
| 7174746 | Method and apparatus for ceramizing the starting glass of glass-ceramics The invention relates to a method for ceramizing starting glass of glass-ceramics into glass-ceramics, comprising at least the following steps: 1.1 the starting glass is heated from an initial temperature T1 to a tempera... | 02/13/2007 |
| 7176153 | Refractory system for glass melting furnaces A refractory system for glass melting furnaces includes alumina, zirconia, and silica mixed with a silica binder. The refractory may be formed as refractory blocks or directly onto the wear portion of a glass melting furnace. The refractory may be formed using casti... | 02/13/2007 |
| 7144832 | Use of a magnesia zirconia brick The present invention relates to the use of a magnesia-zirconia brick in regenerator chambers of glass troughs, which are at least partially operated using a reducing atmosphere. ... | 12/05/2006 |
| 7056181 | Method of manufacturing a lamp A discharge lamp has a discharge vessel enclosing a discharge space. The discharge vessel is provided with a ceramic wall which is formed through sintering of a body shaped by sludge molding. The sludge molding process uses the steps of: injecting an outer porous mo... | 06/06/2006 |
| 7051554 | Tightening a fiber roll cover Rolls for generally conveying sheets, such as of steel or glass over a roller typically have a steel mandrel and fiber-containing roll cover, with the fiber roll cover pressed between end plates. In a roll end assembly including the end plates there is now provided ... | 05/30/2006 |
| 7000433 | Device for heating plates of glass A device for heating plates of glass (3) which are hardened or deformed, includes two ceramic heating plates (1) between which a plate of glass (3) is arranged. Compensation plates (20) are associated with the heating plates (1) at... | 02/21/2006 |
| 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 |
| 6974786 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 12/13/2005 |
| 6868699 | Glass forming mold A glass forming mold comprising a mold having a molding surface, a chromium coating film formed on the molding surface and a silicon oxide film formed on the surface of the chromium coating film. ... | 03/22/2005 |
| 6848274 | Apparatus for forming glass elements Provided is an apparatus for forming glass elements, which includes top and bottom die assemblies, each of the die assemblies comprising a core mold, a mold die which supports the core mold, and a die plate, and a glass material being interposed between the top and ... | 02/01/2005 |
| 6799441 | Furnaces for fused silica production Methods and apparatus for producing fused silica members having high internal transmission are disclosed. The apparatus and methods are capable of producing fused silica having internal transmission of at least 99.65%/cm at 193 nm. ... | 10/05/2004 |
| 6789396 | Method and system for feeding and burning a pulverized fuel in a glass melting furnace, and burner for use in the same A method and system for feeding and burning pulverized fuel, such as petroleum coke, in a glass melting furnace, which includes a glass melting and a plurality of burners associated with a pair of sealed regenerative chambers disposed side-by-side which act as heat ... | 09/14/2004 |
| 6776007 | Method of molding a glass composition into an optical element A mold has a moling surface of a material containing silicon carbide and/or silicon nitride as a main component and a carbon thin film formed on the molding surface to prevent fusion sticking. A glass substance which has a sag point not higher than 565° C. and a pr... | 08/17/2004 |
| 6763683 | Method for pure, fused oxide A method and furnace are described for producing a fused oxide body by decomposing a precursor compound of the oxide in a flame to form molten oxide particles and collecting those particles in a furnace constructed of a refractory material to form a fused oxide body... | 07/20/2004 |
| 6742362 | Coating for tools used to process heat treated glass The invention relates to a coating for tools that are used to process heat treated glass, e.g., molten glass or the like, to reduce the adhesion of said glass. The coating consists at least partially of a system of carbon-based layers and/or hard materials containin... | 06/01/2004 |
| 6679085 | Shaping tool with a structured surface for producing structures on glass, and the application thereof for structuring channel plates While avoiding the disadvantages of the screen printing technique employed until now, the invention provides a shaping tool (1) with a structured surface for creating structures on glass (2) which, in an economical way, makes it possible to form high-prec... | 01/20/2004 |
| 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 |
| 6629436 | Apparatus for thermal treatment of glass and method and thermally treated glass therefrom The present invention is directed to an apparatus for thermal treatment of glass and method and thermally treated glass therefrom. The apparatus is capable of supporting the glass during thermal treatment such as tempering, annealing, bending, and/or shap... | 10/07/2003 |
| 6591636 | Material and method for coating glass forming equipment An oxidation and corrosion resistant coating is applied to glass forming equipment by physical vapor deposition. The coating material is preferably aluminum oxide.... | 07/15/2003 |
| 6574991 | Pure fused silica, furnace and method An article of relatively pure silica, and a furnace and method of producing the article. The article is produced by collecting molten silica particles in a refractory furnace in which at least a portion of the refractory has been exposed to a halogen-cont... | 06/10/2003 |
| 6574992 | Method and device for curving and tempering a glass sheet During a process for bending and quenching a window pane, the latter is bent to the desired shape using a forming frame. Next, by means of this same forming frame, the entire surface of both sides of the bent window pane is rapidly cooled, in a quenching ... | 06/10/2003 |
| 6560996 | Vacuum degassing apparatus for molten glass Molten glass has a liquid level located at a higher level than lower ends of an uprising pipe and a downfalling. In addition, a contacting portion of the uprising pipe or the downfalling pipe and a brick receiver on an upstream or downstream pit for suppo... | 05/13/2003 |
| 6560994 | Mold used for molding glass optical elements process for preparation of glass optical elements and method for rebirth of mold Disclosed is a mold including upper and lower molds for obtaining glass optical elements by press molding a glass molding material softened by heat, in which either one of the upper and lower molds is made of a ceramic matrix and the matrix has no surface... | 05/13/2003 |
| 6505484 | Forming method of silica glass and forming apparatus thereof A silica glass forming method is a method of pressing a synthetic silica bulk having at least a set of opposed surfaces, on the surfaces under a high temperature condition by a presser, wherein an elastic member with permeability is placed between the pre... | 01/14/2003 |
| 6502425 | Belt for bending a glass sheet, and method and apparatus for bending a glass sheet using the same This invention provides a belt for bending a glass sheet without surface defects caused by roller marks, belt junctions or belt deformations. A strip of heat-resistant member is joined together while the ends of the heat-resistant member are arranged so t... | 01/07/2003 |
| 6474107 | Fluorinating an optical fiber preform in a pure aluminum oxide muffle tube A method for fabricating fluorine doped, silica based glass and fiber by depositing a layer of high purity silica soot on a core rod while rotating the core rod places the rod of pure fused silica or doped fused silica and silica soot in a furnace having ... | 11/05/2002 |
| 6405564 | Vacuum degassing apparatus for molten glass A vacuum degassing apparatus for molten glass according to the present invention comprises a vacuum housing where a vacuum is created; a vacuum degassing vessel housed in the vacuum housing to degas the molten glass; an introduction device communicated to... | 06/18/2002 |
| 6374640 | Method for compaction of flat glass panes A simple and economical method is described for compacting or shrinking flat glass panes. The method ensures high temperature homogeneity in the glass. First, the glass panes are cleaned and then a stack of glass panes to be treated is assembled without a... | 04/23/2002 |
| 6363747 | Glass mold material for precision glass molding A method for making working mold tools for use in a compression molding process for molding optical glass elements from high temperature glasses having Tg 's in the range of from about 400° C. to about 850° C. An yttria aluminosilicate glass ... | 04/02/2002 |
| 6357262 | Apparatus and method for reducing scratching when bending glass sheets A roller assembly for use in a glass bending machine comprises a base bracket, a bending roller rotatably mounted on said base bracket, the bending roller having a three-piece construction comprises a central hub having an annular outer surface, opposed s... | 03/19/2002 |
| 6343489 | Bending rail band guide A variable radius bending apparatus is disclosed for bending a glass plate. The variable radius bending apparatus includes a bending rail having a longitudinal rail member and a drive drum and a tension drum rotatably attached thereto. A drive band is pos... | 02/05/2002 |
| 6334337 | Air bubbler to increase glass production rate In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious refractory metal insert at the bubbler orifice prevents the attack ... | 01/01/2002 |
| 6314764 | Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk A method of manufacturing a 1-inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a prescribed roughness. Ion implantation using nitrogen ions is per... | 11/13/2001 |
