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| Number | Title | Issue Date |
| 7155935 | 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 inevi... | 01/02/2007 |
| 7059154 | Method for making float glass, implementing device and resulting products The present invention relates to a float process for manufacturing glass sheets, in which molten glass is poured onto a liquid support denser than the glass and then the continuous ribbon which forms is advanced toward the downstream end, this process being characte... | 06/13/2006 |
| 6997017 | Overflow downdraw glass forming method and apparatus The forming apparatus of the present invention preferably includes an orifice on top of the trough. The uniquely shaped orifice substitutes for the weirs as the controlling entity for glass thickness. The orifice is designed such that as it deforms, it maintains a l... | 02/14/2006 |
| 6923022 | Dual-stage blowhead assembly A blowhead assembly for receipt over a parison finish to blow the parison within a blow mold and simultaneously cool the parison finish includes a blowhead body having a first chamber at one end for receipt over the finish of a parison in a blow mold, and at least o... | 08/02/2005 |
| 6912858 | Method and system for pumping a cryogenic liquid from a storage tank A cryogenic liquid stream from a storage tank to be pumped is passed through the heat exchanger located within a phase separator vented to atmosphere and a subsidiary cryogenic stream is divided out of the cryogenic liquid stream and is diverted to the phase separat... | 07/05/2005 |
| 6902708 | Method and apparatus for making carbon black Methods and apparatus are presented for producing carbon black on a substrate. One preferred method includes providing a head assembly including a nozzle, the nozzle including a first injector for injecting a gas such as acetylene, and a second injector for injectin... | 06/07/2005 |
| 6807825 | Method for manufacturing a glass panel for a cathode ray tube A method for manufacturing display tube includes a first stage of press-forming molten glass put in a mold using a plunger, and a second stage of cooling the formed glass after it has been taken out from the mold. After removal of the plunger the heat radiation of t... | 10/26/2004 |
| 6626010 | Method for floating glass lump, method for preparing glass lump and method for preparing molded glass, and apparatus used for the methods A method of floating glass gobs by means of a gas flow. A method of manufacturing glass gobs by floating a molten glass gob and simultaneously cooling it. A method of manufacturing glass spheres by floating a softened glass gob and simultaneously renderin... | 09/30/2003 |
| 5807419 | Apparatus for the shaping and transferring of glass articles or other materials An apparatus for shaping and transferring of a glass article is provided for a glassware forming machine in order to shape a glass parison in a blowing mold and to transfer the shaped glass article from the blowing mold to a deadplate in front of the mach... | 09/15/1998 |
| 5762673 | Method of manufacturing glass optical elements In a method of manufacturing glass optical elements at high operational efficiency, a mass of molten glass which is dropped down is cut at a first step by a wind blast into a sequence of glass gobs each of which is received by a gas stream spouted from a ... | 06/09/1998 |
| 5743928 | Method and apparatus for extruding glass tubing An apparatus (10) for extruding glass tubing (12) which comprises a furnace (14). A component (16) within the furnace (14) is for holding molten glass (18). A duplex mandrel (20) on one end of the furnace (14) is connected into the holding component (16).... | 04/28/1998 |
| 5683482 | Device and method for shaping rods, especially of glassy material A device for shaping rods, in particular, of a glassy material, by casting said material in a molten state in a mold, characterized by the fact that said mold comprises a) a cylindrical internal wall of a porous material and b) a means to inject a gas in ... | 11/04/1997 |
| 5597394 | Process for the manufacture of a flat glass sheet with improved characteristics A flat glass sheet is manufactured using the float process. Before annealing of glass carried on rollers, the glass is conveyed by a fluid bed formed by a mixture of gases, in order to cool the glass to approximately 600° C. before it reaches an annealin... | 01/28/1997 |
| 5151119 | Cooling of molded articles with a mixture of evaporated cryogen and dried air A method of forming glass containers, including the steps of drying a stream of air, passing the dried air into a vacuum-insulated mixing chamber, evaporating liquid cryogen in the mixing chamber, allowing the resulting cryogen vapor to mix with the air t... | 09/29/1992 |
| 5120343 | Apparatus for producing optical glass element An apparatus of producing an optical glass element of the present invention comprises the steps of displacing a gob of optical glass on a first heat working jig to a second heat working jig by making the gob of optical glass to adhere to the second heat w... | 06/09/1992 |
| 5108477 | Method for making a glass article A method for foming glass articles of substantial thickness from unstable glass compositions which normally devitrify when formed by conventional casting or molding processes, is disclosed. The method includes the steps of quench-cooling the glass to form... | 04/28/1992 |
| 5073182 | Process for manufacturing glass objects including spraying a cryogen onto the glass surface A process for manufacturing glass objects such as bottles, in which a cold fluid containing a cryogen is sprayed around and/or under the bottles in the region of the transfer tongs and/or of the standby table in order to accelerate the cooling of the bott... | 12/17/1991 |
| 4895813 | Method for fabricating devices including multicomponent metal halide glasses and the resulting devices A new method for fabricating devices which include multicomponent metal halide glasses, e.g., multicomponent metal halide glass optical fibers, is disclosed. In accordance with the inventive method, a multicomponent metal halide glass body, essentially fr... | 01/23/1990 |
| 4840656 | Methods and apparatus for forming glass articles A system for forming hollow pressed glass articles utilizes a flow of cryogen that is mixed with air to provide a cooling gas that enables newly pressed articles to be removed from their molds after a thin skin of solidified glass has been formed on inter... | 06/20/1989 |
| 4813995 | Manufacturing containers out of glass In an apparatus for manufacturing containers out of glass, a parison is formed from a gob of molten glass and is transferred to a mould having a cavity in the shape of the required container. Instead of the conventional blowing operation, the parison with... | 03/21/1989 |
| 4729779 | Method and apparatus for manufacturing glass articles According to the invention, a cryogenic liquid as liquid oxygen is vaporized in a heat exchanger by air, which air is thus cooled and further used to blow bottles or the like manufactured at the end of the line where glass is melted and refined by burners... | 03/08/1988 |
| 4708730 | Apparatus for blow molding glass articles An apparatus for blow molding glass articles uses a mixture of cryogenic fluid and ambient air as a blowing fluid. The apparatus includes gas inlet means positioned to direct a flow of blowing fluid into the center of a blow mold, insulated manifold means... | 11/24/1987 |
| 4652292 | Methods for forming glass articles Methods for forming glass articles such as bottles and the like utilize pressurized flows of a cold blowing gas that is delivered from an insulated manifold into mold cavitites which are being used to mold glass articles. The cold blowing gas is a mixture... | 03/24/1987 |
| 4626382 | Method of producing a glass block containing radioactive fission products and apparatus therefor The invention is directed to a method for making a glass block containing dioactive fission products in a metal vessel. The method includes the steps of placing the radioactive glass melt in the metal vessel and cooling the same therein. To minimize the f... | 12/02/1986 |
| 4556405 | Method and apparatus for the blowing and internal cooling of hollow articles of glass or other materials Hollow articles of glass or other materials are blown and cooled within a mold by means of an axially directed gyratory flow of pressurized air introduced tangentially into the blowing head of the mold, and which, after progressing throughout the extent o... | 12/03/1985 |
| 4553999 | Methods and apparatus for blow molding glass articles Methods and apparatus for forming glass articles such as bottles and the like utilize flows of pressurized cold cryogen vapor that are introduced into mold cavities which are being used to mold glass articles. The cold cryogen vapor hastens cooling and so... | 11/19/1985 |
| 4548635 | Cooling articles of newly moulded glassware A newly-moulded article of glassware is positioned on a dead plate with a central opening of the dead plate beneath a central region of the bottom of the article and a plurality of grooves or openings extending from beyond the article to beneath the botto... | 10/22/1985 |
| 4312659 | Air support system for glass tubing alley The invention provides method and apparatus for supporting hot glass tubing drawn from a source of molten glass, on a cushion of air. A horizontally elongated chamber is disposed beneath the drawpath of the tubing and an elevated air pressure is maintaine... | 01/26/1982 |
| 4026499 | Glass balloons and method for making same A glass balloon that floats in air. An assembly of glass balloons that form a slab of foam that floats in air. A process for making glass balloons employing: two nested furnaces, pre-heated helium, a moving furnace, and a refrigerated seal-off chamber.... | 05/31/1977 |
| 3961927 | Apparatus and method for moulding glass objects A method of shaping glass to a desired form comprises delivering molten glass on to a porous support member while feeding a gas under pressure through the porous support member from the reverse side thereof, so as to support the molten glass out of contac... | 06/08/1976 |
| 3930819 | Press molded hot glassware handling apparatus In a conjunction with a glassware press-molding machine, an arrangement of Bernoulli nozzles is employed to remove the articles from the mold, complete the forming of the articles, cool them, heat treat them and transfer them to a conveyor. The cooling an... | 01/06/1976 |
