Glass manufacturing inventions 09/07

20070220920 - Method of minimizing distortion in a sheet of glass: A method of minimizing distortion in a glass sheet manufacturing process wherein the stress in a parent sheet of glass is measured along each edge of the sheet. The stress data is then used to develop a distortion predictor for predicting the in-plane distortion which sub-sheets of the parent sheet... Agent: Corning Incorporated

20070220921 - Glass heating furnance with opposing gas streams: The invention disclose a convection glass heating furnace, which includes upper and lower furnace bodies, at least one gas-collection box are set in the upper and lower furnace bodies respectively, glass inlets and outlets are setup in the gas-collection box, and a jet-flow plate is set at the gas outlets.... Agent: Gottlieb Rackman & Reisman PC

20070220922 - Method for making glass fibers: The invention is an improved method for manufacturing fiberglass. In the method of the invention, quartz is replaced in whole or in part by silica containing raw materials. The use of silica containing raw materials as a replacement for quartz results in significant energy savings and a reduction in defect... Agent: Johns Manville

20070220923 - Melter flow guide for glass fiberizing system: A glass fiberizing system includes a melter having a bottom wall with one or more openings through which molten glass flows. A bushing is located below the melter for containing a body of molten glass and for feeding molten glass to a fiberizing apparatus. A melter flow guide is positioned... Agent: Owens Corning

20070220924 - Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fiber and apparatus: The method for fabricating an optical fiber comprises the steps of inserting a primary optical fiber preform (11) having a first primary axis (x1) and an outer surface (111) into an overcladding tube (12) having a second primary axis (x2) and an inner surface (120), so that said outer surface... Agent: Saltamar Innovations

20070214833 - High performance blue glass: A glass composition for forming a blue colored glass is disclosed. The glass composition is made up of a base glass portion, iron oxide, and at least one first additive compound selected from Nd2O3 in an amount up to 1 weight percent and/or CuO in an amount up to 0.5... Agent: Ppg Industries Inc Intellectual Property Dept

20070214834 - Method for producing a hollow cylinder from synthetic quartz glass, using a retaining device: In a known method for producing a hollow cylinder from synthetic quartz glass, a compound containing silicon is flame-hydrolyzed and SiO2 particles are deposited in layers on a rotating carrier to produce an elongated porous soot body with a central inner bore. Said body is subjected to a dehydration treatment... Agent: Tiajoloff & Kelly

20070214836 - Method and device for melting the ends of rods: The invention relates to a method for treating the ends of glass rods in which glass rods are inserted into receptacles in a carrier and with the carrier are carried past a burner and at least one rail in an advancing direction, the flame of the burner melting at least... Agent: Demont & Breyer, LLC

20070214837 - System, method, and apparatus for adjustable stacker bar assembly having quick change features: An adjustable stacker bar assembly includes a pad assembly having a lower pad that is mounted to a push bar. The lower pad is in direct contact with and independently mounted to the push bar. An upper pad is mounted to and spaced apart from the lower pad by a... Agent: Bracewell & Giuliani LLP

20070214838 - Vacuum valve for an i.s. machine: A vacuum valve for use with a blow mold in an I.S. machine. When the blow molds close around a parison, vacuum is applied to the wall of the blow mold. At some time following the application of the vacuum, final blow will occur blowing the parison into a bottle.... Agent: Spencer T. Smith Emhart Glass Manufacturing Inc.

20070214839 - Device for depositing a layer of polycrystalline silicon on a support: v

20070214841 - Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fiber and apparatus: The method for fabricating an optical fiber comprises the steps of inserting a primary optical fiber preform (11) having a first primary axis (x1) and an outer surface (111) into an overcladding tube (12) having a second primary axis (x2) and an inner surface (120), so that said outer surface... Agent: Saltamar Innovations

20070209392 - Method of making particles and materials: Methods of making particles and materials are disclosed.... Agent: 3m Innovative Properties Company

20070209393 - Curved optical device and method for making the same: A method of constructing a curved optical device includes assembling of at least one cell having opposed flexible substrates with a controlled distance therebetween to form a gap adapted to receive a fluid. The process continues by holding only a portion of the cell in a fixture, positioning a curved... Agent: Andrew B. Morton Renner, Kenner, Greive,

20070209394 - Image display device and manufacturing method of the same: The present invention provides an image display device capable of displaying a good image by suppressing yellowing of a glass substrate, and a high-yield manufacturing method of the glass substrate. The image display device is formed of a front-side glass substrate and a back-side glass substrate. In this manufacturing method,... Agent: Wenderoth, Lind & Ponack L.L.P.

20070209395 - Method for manufacturing float glass and device therefor: In accordance with gutter-like bodies 12 of a device for manufacturing float glass 10, a portion of molten tin 16 that flows out of outlets 32 of lateral ducts 34 of the gutter-like bodies 12 into vessel edge areas 14A can be directed to a vessel central area 14B through... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070209396 - Process of fining glassmelts using helium bubbles: A process for removing blisters (large bubbles in a glassmelt) and seeds (small bubbles in a glassmelt) from a glassmelt by feeding helium bubbles having a diameter between about 0.5 cm and about 3 cm at a prescribed flow rate and location to effectively produce a substantially bubble-free article.... Agent: Praxair, Inc. Law Department - M1 557

20070209397 - Manufacturing apparatus of porous glass base material: There is provided a manufacturing apparatus of a porous glass base material which can prevent soot from being formed on an upper surface (ceiling) of the process chamber, and reduce the amount of soot that comes off the upper surface and falls. A manufacturing apparatus of a porous glass base... Agent: Mcginn Intellectual Property Law Group, PLLC

20070209398 - Process and device for manufacturing glass sheet: The present invention relates to a process for manufacturing flat sheets of a glass-based material and to an apparatus therefor. The process comprises providing a glass preform, heating the glass preform in a furnace, forming a gob and a pre-sheet, removing the gob and drawing the glass pre-sheet into a... Agent: Corning Incorporated

20070209399 - Adjustable positioning apparatus for cooling members and method: An apparatus for adjusting the cooling members located beneath fiberizing bushings is disclosed having the capability of moving each cooling member, or one portion of each cooling member, in a generally vertical direction, and/or in a lateral and/or tilting direction. Also disclosed is a process of using the apparatus to... Agent: Johns Manville

20070209400 - Method for producing an optical component: According to a previously known method for producing an optical component from synthetic quartz glass, a coaxial arrangement comprising an outer jacket tube, an inner jacket tube that is provided with an internal bore, and a core rod whose bottom face rests on a thrust bearing within the internal bore,... Agent: Tiajoloff & Kelly

20070209401 - Glass yarn for reinforcing organic and/or inorganic materials: The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 58 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 0.5 to 3.5% MgO; 0 to 2% Na2O+K2O+Li2O; 1 to 1.5% TiO2; 0... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070204654 - Method and apparatus for manufacturing optical element: A glass material is press-molded by an upper die and a lower die in a closed space, so that an optical element is manufactured. A temperature variation of an atmosphere in the closed space is controlled within ±0.5° C. The glass material is dropped from a nozzle of a fusion... Agent: Brinks Hofer Gilson & Lione

20070204656 - Method enabling dual pressure control within fiber preform during fiber fabrication: A method of fabricating a photonic crystal or photonic band gap optical fiber comprises providing a preform that includes a plurality of holes in an outer diameter, wherein the holes extend from a first end of a preform to a second end of the preform, and forming at least one... Agent: Corning Incorporated

20070204657 - Manufacture of depressed index optical fibers: Described herein is a method for making a depressed index cladding for the inner cladding of an optical fiber. The method involves making the depressed index cladding in two steps. The innermost portion of the inner cladding is produced using a soot method, thereby deriving the advantages of the soot... Agent: Law Firm Of Peter V.d. Wilde