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| Number | Title | Issue Date |
| 8156765 | Glass forming apparatus and glass forming method A glass forming apparatus and a glass forming method of high economical merit and high production efficiency are provided. More specifically, the glass forming apparatus has dies, in which at least one die is divided into a heat exchange unit and a press unit, and i... | 04/17/2012 |
| 8087264 | Glass forming apparatus and method A glass forming apparatus and a glass forming method are provided, which are capable of retaining the whole press surface at favorable temperatures for pressing glass, and forming a high-quality, efficient glass form. An upper die having a part formed such that the ... | 01/03/2012 |
| 7171827 | System and method for automated casting of infrared glass optical components In accordance with the present invention, a system and method for the automated casting of infrared glass optical components is provided. The system includes a mold for casting infrared glass into lenses, a mold chamber operable to heat the mold to a temperature abo... | 02/06/2007 |
| 7143609 | Low-temperature fabrication of glass optical components A method is provided for molding from glass certain complex optical components, such as lenses, microlens, arrays of microlenses, and gratings or surface-relief diffusers having fine or hyperfine microstructures suitable for optical or electro-optical applications. ... | 12/05/2006 |
| 7134301 | Mold support mechanism for an I.S. machine A mold cooling system is disclosed for the blank mold halves of an I.S. machine. The mold halves are supported at their bottom by a lower hanger assembly which includes a discrete plenum for each of the mold halves. Each plenum is isolated and has its own air supply... | 11/14/2006 |
| 7134298 | Method of press-forming glass An object of the present invention is to provide a press-forming method for glass capable of uniformly heating press dies and a preform and preventing oxidation of the press dies. According to the press-forming method for glass of the present invention, a preform is... | 11/14/2006 |
| 7121119 | Press molding apparatus for an optical element and method of manufacturing the optical element A transfer arm holds a plurality of preforms arranged in a single line and simultaneously drops and supplies the preforms downward. A positioning arm has a pair of arm split members split in its widthwise direction. The arm split members have positioning surfaces fo... | 10/17/2006 |
| 7013676 | Press molding apparatus In a press molding apparatus for press molding a plurality of glass materials into a plurality of glass optical elements by the use of a pressing mold including upper and lower molds each of which has a plurality of molding surfaces, at least one of the upper and th... | 03/21/2006 |
| 6928838 | Apparatus and method for forming silica glass elements The forming apparatus has top and bottom die assemblies which form a heated silica glass material by press forming. These top and bottom die assemblies include, respectively, mold dies, which are made of isotropic carbon, and core molds, which are made of vitrified ... | 08/16/2005 |
| 6918267 | Press molding apparatus and press molding method A press molding apparatus includes upper and lower mother molds 102 and 104. Each of the mother molds 102 and 104 has four molding surfaces arranged in a single line and satisfies the relationship given by L×α×ΔT/t | 07/19/2005 |
| 6907756 | Plunger for bottle forming I.S. machine A plunger for use in forming parisons during the manufacture of glass containers having a biased open valve therein. ... | 06/21/2005 |
| 6907754 | Self-aligning impact tolerant I.S. machine cartridge assembly A cartridge assembly for a blow-and-blow parison-forming machine comprises a cylindrical barrel, an annular lower stop having a central opening for accepting a piston rod and having an upwardly opening tapered recess adjacent the central opening, an annular cylinder... | 06/21/2005 |
| 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 |
| 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 |
| 6840060 | Methods for achieving operating temperature of glass contacting surfaces of glass forming equipment, and gas mixture therefor Method of heating glass contacting surfaces, comprising heating the glass contacting surfaces to a predetermined operating temperature by combustion of a hydrocarbon fuel gas mixture which includes 90% by volume of MAPP gas and 10 percent by volume of propane. Anoth... | 01/11/2005 |
| 6823697 | Press forming machine for optical devices An object of the present invention is to provide a press forming machine for glass optical devices which is superior in the temperature uniformity and has a low manufacturing cost. An upper die is fixed to a lower end of a fixed shaft, and a lower die is fixed to an... | 11/30/2004 |
| 6823694 | Method of manufacturing glass optical elements A method for manufacturing a glass optical element having at least one concave surface, including: softening a glass molding material by heating, molding the softened material with a first mold having a first molding surface and a second mold having a second molding... | 11/30/2004 |
| 6567224 | Optical element having integrated optical lens and lens holder, and production method therefor An optical element includes a lens holder, and an optical lens integrally held by an inner wall portion of the lens holder and having a lens optical surface at an opening in the lens holder in the direction of the optical axis of the optical lens. A proje... | 05/20/2003 |
| 6557378 | Method for pressing oxynitride glass, disk of oxynitride glass made by said method, and pressing die for said method A method of producing a disk having a radius of r and a thickness of 2h from an oxynitride glass by pressing, said method being characterized in that the pressing load (F), the pressing temperature (T), and the pressing time (t) are defined by the express... | 05/06/2003 |
| 6442976 | Liquid cooling of glassware molds A system and method of cooling glassware molds by directing liquid coolant to the blank or blow mold halves of a glassware forming machine through an enclosed pivotal rotary union-type structure. A coolant manifold is carried by each pivotal mold arm, and... | 09/03/2002 |
| 6412308 | Liquid cooling of glassware molds A glassware forming mold that includes a body of heat conductive construction having a central portion with a forming surface for shaping molten glass and a peripheral portion spaced radially outwardly of the central portion. A plurality of coolant passag... | 07/02/2002 |
| 6381988 | Liquid cooling deflectors in a glassware forming system A glassware forming machine system includes an individual section glassware forming machine having a plurality of sections, each with at least one blank mold, and a gob distributor for distributing molten glass gobs to the blank molds of each machine sect... | 05/07/2002 |
| 6370918 | Press forming machine for optical devices A press forming machine for optical devices which manufactures, an optical device from silica glass with a high glass transition point. A transparent quartz tube surrounds an upper die unit, lower die unit, fixed shaft, and moving shaft to form an airtigh... | 04/16/2002 |
| 6321570 | Method and apparatus for tempering and bending glass A method of and apparatus for bending and tempering a sheet of glass heated to a formable state provides an improved rigid mold and pressing member for pressing the heated sheet against the rigid mold which cools and bends the sheet. The pressing member i... | 11/27/2001 |
| 6318130 | Liquid cooling of deflectors in a glassware forming system A glassware forming machine system includes an individual section glassware forming machine having a plurality of sections, each with at least one blank mold, and a gob distributor for distributing molten glass gobs to the blank molds of each machine sect... | 11/20/2001 |
| 6223561 | Press mold for glass substrate A press mold for glass substrate includes an upper mold and a lower mold, and a pressure apparatus for applying pressure to the upper mold and the lower mold, for molding a plate-shaped glass substrate having a predetermined thickness between the upper mo... | 05/01/2001 |
| 6182473 | I.S. machine A mold opening and closing mechanism for a section of an I.S. machine includes a mold carrier assembly and horizontal axially extending shafts. A housing supports these shafts for axial displacement and includes first and second vertically extending ducts... | 02/06/2001 |
| 6141991 | Press molding apparatus for glass optical elements and molding method for glass optical elements Disclosed are a molding apparatus for glass optical elements a plurality of molds each constituted of an upper mold and a lower mold, a matrix supporting the molds, and heating means wound around the matrix for heating the molds, wherein the matrix extend... | 11/07/2000 |
| 6109063 | I.S. machine A mold opening and closing mechanism for a section of an I.S. machine includes a mold carrier assembly and horizontal axially extending shafts. A housing supports these shafts for axial displacement and includes first and second vertically extending ducts... | 08/29/2000 |
| 6038889 | Cooling system for a glassware machine A cooling system for use with a glassware machine having a plunger, a mold and a valve. The system includes a supply of cooling fluid such as air. The system further includes devices for cooling the plunger, the mold and the valve that are in communicatio... | 03/21/2000 |
| 6003338 | Molding method for optical element A molding method for optical element is disclosed in which a glass material prepared for weight is introduced into a mold and then heated to soften, and subsequently pressed with the mold to mold an optical element. The glass material is heated to have a ... | 12/21/1999 |
| 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 |
| 5938810 | Apparatus for tempering and bending glass A method of and apparatus for bending and tempering a sheet of glass heated to a formable state provides an improved rigid mold and pressing member for pressing the heated sheet against the rigid mold which cools and bends the sheet. The pressing member i... | 08/17/1999 |
| 5938807 | Method for manufacturing press-molded glass object and apparatus therefor In press molding, a shaft (metal mold 13) is moved by positional or torque control to cause upper and lower molds to reach a set position slightly before a position where the upper and lower molds are set in a final mold closed state. As soon as the upper... | 08/17/1999 |
| 5925162 | Mold support assembly for heated glass sheet mold A mold support assembly (28) includes a support (164) located within a heated chamber (22) and having a construction that reduces thermal expansion. A vertical guide (170) located externally of the heated chamber has a vertically movable connection (172) ... | 07/20/1999 |
| 5900035 | Glass forming machine blank mold cooling apparatus A hollow parison (P) of a glass container is formed from a gob of molten glass, the parison having a body portion (B) with a closed end and an open end. The body portion of the parison is formed in an annular blank mold (14). The parison also has a finish... | 05/04/1999 |
| 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 |
| 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 |
| 5803943 | Apparatus for forming insulated glass Apparatus for forming insulated glass from a first and second sheet of glass, normally with a spacer seal disposed therebetween, comprising a frame assembly having a rigid frame assembly, a plurality of torsion bars pivotably mounted thereto, an aluminum ... | 09/08/1998 |
