Glass manufacturing inventions 03/07

20070068197 - Overflow downdraw glass forming method and apparatus: The present invention discloses improved methods and apparatus for forming sheet glass. In one embodiment, the invention introduces a counteracting force to the stresses on the forming structure in a manner such that the thermal creep which inevitably occurs has a minimum impact on the glass flow characteristics of the... Agent: Brown & Michaels, PC 400 M & T Bank Building

20070068198 - Method of manufacturing glass base material for optical fiber: A method of manufacturing a glass base material is provided. The glass base material according to the present invention can prevent an initial glass material from being scratched by a gripping portion and from being unfastened and can manufacture in a stable state without deflecting the initial glass material during... Agent: Mcginn Intellectual Property Law Group, PLLC

20070062218 - Method for controlling the forming of flat glass: The invention relates to a method for controlling the forming of flat glass by conducting molten glass over a liquid tin layer in a forming vat. According to said method, the concentration of H20 above the surface of the glass during the forming process is measured by means of at... Agent: Air Liquide

20070062219 - Methods of fabricating flat glass with low levels of warp: A method of fabricating glass sheets (13) is provided in which the sheets are cut from a glass ribbon (15) composed of a glass having a glass transition temperature range (GTTR). The ribbon (15) is formed by a drawing process in which edge rollers (27a,27b) contact the glass ribbon (15)... Agent: Corning Incorporated

20070062220 - Vapor axial deposition apparatus and vapor axial deposition method: Disclosed is a vapor axial deposition apparatus. The vapor axial deposition apparatus includes a first torch, a growth size detecting unit and a controlling unit. The first torch deposits soot on a distal end of a soot preform aligned with a first axis, and is aligned with a second axis.... Agent: Cha & Reiter, LLC

20070062221 - Three-dimensional optical waveguide, method of manufacturing same, optical module, and optical transmission system: A three-dimensional-optical waveguide is formed by laminating planar substrates such as a plurality of lens substrates and, an isolator substrate and a wavelength division multiplexing filter, the optical substrates at least include a waveguide substrate having a waveguide and a reflecting surface. In the three-dimensional optical waveguide, the planar substrates... Agent: Smith, Gambrell & Russell

20070062222 - Method for charging particles in a material manufacturing process: A method for charging particles used for processing of a material. At least a gaseous reactant is supplied and oxidizing gas is supplied to the reactant. The oxidizing gas is charged electrically before it is supplied to the reactant. The reactant and the oxidizing gas form charged particles. The material... Agent: Venable LLP

20070062223 - Optical fiber having reduced polarization mode dispersion (pmd) and method for producing the same: A process for producing optical fiber preform having symmetrically and completely collapsed capillary which is suitable for producing optical fiber having reduced PMD is provided, wherein collapsing of the capillary in the hollow soot porous body or sintered glass body is carried out under variable vacuum. An optical fiber preform... Agent: James O. Ray, Jr. Agent For Applicant(s)

20070056322 - Refractory body having venting channels and venting vessel for high temperature glass reforming: Disclosed are refractory body and refractory vessel for reforming or reflowing glass materials. The refractory body and vessel have gas venting channels, including surface grooves and/or vias formed on the surface in contact with the glass during high temperature treatment thereof. The refractory body and vessel are particularly advantageous for... Agent: Corning Incorporated

20070056323 - Sheet glass forming apparatus: One embodiment of the present invention is an improved sheet glass forming apparatus. In another embodiment, a precise thermal control system redistributes the flow of molten glass at the weirs to counteract the degradation of the sheet forming apparatus which inevitably occurs during manufacturing. In yet another embodiment, the invention... Agent: Brown & Michaels, PC 400 M & T Bank Building

20070056324 - Method and device for bending glass sheets: A method of bending glass panes heated to their softening temperature in the horizontal position. The panes are heated to their bending temperature in a furnace. The panes are brought between a concave bending frame having shaping surfaces that describe a smaller contour than dimensions of the panes, and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070056325 - Optical article and molding assembly for making the same: An optical article includes a glass sheet having a top surface, a bottom surface, an array of optical elements formed between the top and bottom surfaces and arranged in rows that intersect each other along two intersecting cutting directions of the glass sheet, and at least two aligning marks formed... Agent: Banner & Witcoff

20070051134 - Method and apparatus for manufacturing glass frame, and method for bonding strip-like glass plates: An apparatus for manufacturing a glass frame, comprises a mold having a rectangular frame-shaped storage recess in which both end portions of a plurality of strip-like glass plates and are stored such that they are overlapped, coil heaters which simultaneously heat and melt the end portions of the plurality of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070051135 - Method for manufacturing porous-glass material for optical fiber, and glass base material: A method for manufacturing a porous-glass material for optical fiber performed in a reaction apparatus having a plurality of burners for producing glass particles toward a initial base material and a ventilation mechanism at a position opposed to the plurality of burners, the method comprises the steps of (a) moving... Agent: Mcginn Intellectual Property Law Group, Pllc

20070051136 - Method and apparatus for forming glass flakes and fibres: Apparatus for forming fibres or flakes of material comprises means (1) for producing a heated stream of molten material (9), means for feeding the stream in a substantially vertically downward direction and means (7) for receiving the downwardly directed stream and for forming fibres or flakes therefrom. The apparatus includes... Agent: Myers Bigel Sibley & Sajovec

20070044513 - Shrouded-plasma process and apparatus for the production of metastable nanostructured materials: A method and apparatus for producing metastable nanostructured materials employing a ceramic shroud surrounding a plasma flame having a steady state reaction zone into which an aerosol or liquid jet of solution precursor or powder material is fed, causing the material to be pyrolyzed, melted, or vaporized, followed by quenching... Agent: Kenneth Watov Watov & Kipnes, P.C.

20070044514 - Glass member and production process thereof: The present invention is envisioned to provide a high-strength glass which is applicable to the objective of size and weight reduction. A layer containing a rare earth element in a high concentration is formed at a glass portion close to a surface (superficial portion) which is shallow in depth from... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070044515 - Process of manufacturing a gob: A process for manufacturing a gob as a primary product for pressing a pressed glass product for optical applications comprises filling a glass melt from a feeder into a casting mold having a substantially cylindrical shape, wherein the mold is made of an oxidation resistant material being substantially resistant against... Agent: Harness, Dickey & Pierce, P.L.C

20070044516 - Method of treating the inner surface of silica tube, manufacturing method of optical fiber preform, and manufacturing method of optical fiber: Provided are a method of treating the inner surface of a silica tube, an optical fiber preform manufacturing method, and an optical fiber manufacturing method, in which the amount of discharge of a global warming gas is less than that in the case of a conventional method. The method of... Agent: Mcdermott Will & Emery LLP