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| Number | Title | Issue Date |
| 6050108 | Method for producing glass preform A method for producing a glass preform by synthesizing a porous glass preform by a vapor-phase synthesizing method and heating said porous glass preform in a vacuum or reduced-pressure atmosphere so as to consolidate said porous glass preform, which compr... | 04/18/2000 |
| 6030829 | High density test plate and process of making A support plate and method of making a support plate for biological or chemical testing or cell culture. The plate has a high density network of microwells formed therein. The wells are formed by a contact pressing technique whereby a network of protubera... | 02/29/2000 |
| 5992178 | Method for stepwise bending of glass sheets Glass sheets are bent in stages into the final shape in a horizontal position in two successive bending stations. The glass sheets heated to bending temperature are laid on a fabric carrier arranged resiliently on a rigid support frame. The glass sheets a... | 11/30/1999 |
| 5979185 | Method and apparatus for forming silica by combustion of liquid reactants using a heater The present invention is directed to a method for making silica glass and silica glass preforms. A liquid, preferably halide-free, silicon-containing compound capable of being converted by thermal oxidative decomposition to SiO2 is provided and... | 11/09/1999 |
| 5964914 | Plunger base module for a plunger mechanism of an I.S. machine A plunger base module for a selected number of vertically extending cylindrical plunger canisters each having a bottom surface and including a set of service conduits including plunger up, plunger down, and counterblow/vacuum or cooling, with each of the ... | 10/12/1999 |
| 5961679 | Recovery of fissile materials from nuclear wastes A process for recovering fissile materials such as uranium, and plutonium, and rare earth elements, from complex waste feed material, and converting the remaining wastes into a waste glass suitable for storage or disposal. The waste feed is mixed with a d... | 10/05/1999 |
| 5931982 | Baffle mechanism for an I.S. machine An I.S. machine has a blankmold which is open at the top and includes inner and outer annular top sealing surfaces. Associated with the blankmold is a cup shaped baffle having an annular bottom sealing surface. A tubular sleeve extends vertically upwardly... | 08/03/1999 |
| 5922099 | Apparatus and method for fabricating tube-shaped glass monolith using sol-gel process There are provided tube-shaped glass monolith fabricating apparatus and method using a sol-gel process. In the tube-shaped glass monolith fabricating method using a tube-shaped glass monolith fabricating apparatus which has an upper mold including cylindr... | 07/13/1999 |
| 5914438 | Method and apparatus for delivering a coated glass stream for forming charges of glass A method and apparatus for delivering a coated glass stream having a first inner layer and a second outer layer wherein the method comprises providing a vertical orifice, delivering molten glass from a first source through the orifice, providing a gap abo... | 06/22/1999 |
| 5912397 | High-purity silica glass fabricating method using sol-gel process There is provided a high-purity silica glass fabricating method using a sol-gel process. In the method, a first sol is formed by mixing 100 parts by weight of fumed silica powder with between 100 to 300 parts by weight of deionized water. The first sol is... | 06/15/1999 |
| 5906119 | Process and device for melting glass A process and a device for melting glass. According to the invention, the melting of vitrifiable materials is performed in a melting compartment by at least one fuel burner, the combustive material being formed mainly by essentially pure oxygen, at least ... | 05/25/1999 |
| 5906666 | Method and apparatus for delivering a cased glass stream having improved resistance to high-temperature erosion Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source, and a second orifice vertically spaced beneath and aligned with the first orif... | 05/25/1999 |
| 5902367 | Method for transferring mould-carrying wagons for glass sheets in a bending furnace for glass sheets and bending furnace for glass sheets A method for transferring mould-carrying wagons in a bending furnace for glass sheets as well as to a bending furnace for glass sheets, comprising preheating stations (1.3, 1.4, 1.5) and more than two bending stations (2.1, 2.2, 2.3, 2.4) in succession an... | 05/11/1999 |
| 5903097 | Method of manufacturing a side glass for a vacuum fluorescent display A method of manufacturing a side glass for a vacuum fluorescent display is provided wherein a glass is cut to a predetermined length in accordance with the size of the vacuum fluorescent display. The glass is then bent to coincide two ends of the glass in... | 05/11/1999 |
| 5897927 | Seal for vacuum devices and methods for making same A method for permanently sealing an ultra-high vacuum within a glass enclosure. This is accomplished by first forming a hole, either in one of the flat plates that form the enclosure or in one of the standoffs that separate the plates, and then sealing a ... | 04/27/1999 |
| 5895511 | Method of producing a decorative construction material A method of producing a resilient decorative construction material from waste products such as slag granulate or waste glass granulate is taught. The waste glass granulate may contain paper, adhesives, plastic, or other contaminants. The construction mate... | 04/20/1999 |
| 5895513 | Takeout mechanism for an I.S. machine A takeout mechanism for a section of a I.S. machine which will grip the finish of one or more bottles at a blow station and carry the gripped bottles away from the blow station and deposit them on a deadplate. The bottom of the bottles can be a vertical d... | 04/20/1999 |
| 5893940 | Reduction of NOx emissions in a glass melting furnace A method of controlling NOx emissions from a glass melting process in which combustion fuel produces exhaust gas in a melting furnace including NOx compounds is disclosed. Furnace exhaust gas passes from the melting furnace through a... | 04/13/1999 |
| 5893941 | Method and apparatus in bending and tempering of a glass sheet A method and an apparatus for bending and tempering of a glass sheet is disclosed. The means to be used in the method for supporting the glass sheet is a supporting device in two parts, wherein the first supporting device forms a substantially planar supp... | 04/13/1999 |
| 5893942 | Quick change invert arm assembly An invert arm assembly for a glass container forming machine of the I.S. type, the invert arm assembly having an opposed pair of invert arm segments that are movable toward and away from one another and define one or more neck ring assembly receiving aper... | 04/13/1999 |
| 5888265 | Air separation float glass system A cryogenic air separation plant or a combined pressure swing adsorption plant and membrane separation plant is integrated with a float glass manufacturing system wherein oxygen from the plant is used for oxy-fuel combustion in the melt furnace and nitrog... | 03/30/1999 |
| 5882371 | Method for heat-treating a glass substrate In each of the second and subsequent heat treatments, in a case where a glass substrate shrinks by heat treatment at the same average cooling rate as the average cooling rate in the immediately preceding heat treatment, the average cooling rate is set to ... | 03/16/1999 |
| 5876478 | Metal mold for glass forming The present invention aims to provide a metal mold for glass, which needs not apply any swab in molding of glass, enabling no-swabbing glass forming. The alloy for the mold comprises by weight Cu: 10 to 80%, Al: 4 to 11%, Cr: 3 to 16%, Ni: 2 to 36%, and a... | 03/02/1999 |
| 5873921 | Process for manufacturing glass optical elements Processes for manufacturing glass optical elements by press molding a heated and softened glass material in preheated molds. In the process, the glass material is heated while it is floated by a gas blow and the heated and softened glass material is trans... | 02/23/1999 |
| 5873922 | Process for dividing glass panels into blanks Lines are scribed on glass panes in accordance with the sections to be produced and the glass panes are then broken into sections susbtantially in a vertical position. A device suitable therefor comprises a station (2) for scribing the glass panes (1) wit... | 02/23/1999 |
| 5868814 | Apparatus for recirculating molten glass A molten glass recirculating apparatus is provided, comprising a riser chamber having a first opening positioned below a molten glass level and a second opening positioned above a molten glass level, a trough positioned adjacent the upper opening, and a g... | 02/09/1999 |
| 5868813 | I. S. machine An I.S. Machine for making glass bottles, having a plurality of sections, each having a blank station for forming a parison. Each section has a section frame having a top surface, and a plunger mechanism including at least one plunger canister having a lo... | 02/09/1999 |
| 5867327 | Process for manufacturing cylindrical microlenses Method for manufacturing cylindrical microlenses having exceptional optical properties, and the lenses manufactured according to the process. According to the present invention, a method is provided for fabricating cylindrical microlenses, the method comp... | 02/02/1999 |
| 5865865 | Process for production of glass substrate coated with finely patterned nesa glass membrane A process for production of a glass substrate coated with a patterned Nesa glass membrane which comprises, in sequence: the first step of coating a photoresist on a glass substrate to form a photoresist membrane, exposing the membrane to electromagnetic waves ... | 02/02/1999 |
| 5863348 | Programmable method for cleaning semiconductor elements Method and apparatus for cleaning a workpiece such as a semiconductor element in which the element is placed on a chuck mounted on a rotation mechanism in which the rotation mechanism rotates around a first axis, and the element to be cleaned rotates arou... | 01/26/1999 |
| 5861047 | Method for manufacturing an article comprising a refractory dielectric body A refractory dielectric body is heated with a plasma torch at conditions which do not result in substantial removal of a surface portion of the body, yet which are sufficient to reduce both surface and bulk impurities. Typically, the body is solid, e.g., ... | 01/19/1999 |
| 5858049 | Plunger mechanism for an I.S. machine A plunger mechanism has a plunger canister module to be mounted on the top wall of a section frame of an I.S. machine. The module includes one, two, three or four plunger canisters each having a vertically extending cylinder having a locating diameter at ... | 01/12/1999 |
| 5858048 | Energy efficient, electric rotary furnace for glass molding (repressing) precision optical blanks A furnace for molding glass blanks includes a housing having a series of electrical heating stations and a rotary door adapted to receive glass blanks for processing. The furnace also includes a rotary turntable for receiving the glass blanks and a steeri... | 01/12/1999 |
| 5858051 | Method of manufacturing optical waveguide A method of manufacturing an optical waveguide comprises a first step of laminating, on one major surface of a first glass material, a second glass material to a desired thickness, the second glass material having optical characteristics different from th... | 01/12/1999 |
| 5858050 | I.S. machine An I.S. machine comprises a plurality of individual sections arranged in side by side relation. Each section has a section frame having a top wall having a front and a back and opposed sides on which is mounted a blank station including a mold opening and... | 01/12/1999 |
| 5855636 | Method which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter A method for treating cullet before use as a raw material in a glass manufacturing process is disclosed. The method includes providing a bed of cullet; passing hot gases through the bed, the quantity and temperature of gases being sufficient to pyrolyze o... | 01/05/1999 |
| 5855640 | Apparatus for delivering a coated glass stream for forming charges of glass A method for delivering a coated glass stream having a first inner layer and a second outer layer wherein the method includes providing a vertical orifice, delivering molten glass from a first source through the orifice, providing a gap about the orifice ... | 01/05/1999 |
| 5855638 | Process for producing a vacuum in an insulating glazing A process for producing a vacuum in an insulating glazing composed of two glass sheets (2, 3) separated by pins (4). According to the invention, one of the glass sheets includes a hole (12) which is plugged by a softened ball after the vacuum has been ach... | 01/05/1999 |
| 5853449 | Plunger mechanism for an I.S. machine A plunger mechanism comprising a vertically extending cylindrical plunger canister having a bottom surface and including a plurality of service air conduits with each conduit having an inlet port communicating with the bottom surface. A plunger distributi... | 12/29/1998 |
| 5853448 | Method of heating the charge of a glass furnace Method of heating the charge of a glass furnace in which at least one burner is placed in a wall of a furnace so as to heat the bath of glass, characterized in that at least one assembly consisting of a first and a second burner which are fed with fuel ga... | 12/29/1998 |
