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| Number | Title | Issue Date |
| 7562539 | Method and the device for making high precision coating of insert for glass molding A method for making high precision hard film coating on a mold core comprises the following steps of: (a) providing a mold jig (200, 300) and a mold core (208, 308); (b) defining a through hole (206, 364) of a first inner diameter in the mold ji... | 07/21/2009 |
| 7174745 | Apparatus for press-forming molten bodies An apparatus for press-forming a molten gob made of meltable material, especially of glass or glass ceramics, into a body of specific shape with compression moulds which form with each other a form cavity for receiving the gob. The compression moulds consist at leas... | 02/13/2007 |
| 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 |
| 7114353 | Devices, systems and methods for use in fabricating doorlites, sidelites, windows, window panes and the like Artistic panes having flat and planar margins with laterally offset central regions and deformations, as well as devices and methods for making the same, are shown and described. Devices and assemblies for manufacturing such artistic panes incorporate support member... | 10/03/2006 |
| 6955066 | Method and system for coating a glass contacting surface with a thermal barrier and lubricous coating A method and system for coating a glass contacting surface with a thermal barrier and lubricious coating. The system uses a novel exterior surface mixing tip device wherein oxygen is supplied through a predetermined portion of one supply line, and a predetermined ga... | 10/18/2005 |
| 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 |
| 6868699 | Glass forming mold A glass forming mold comprising a mold having a molding surface, a chromium coating film formed on the molding surface and a silicon oxide film formed on the surface of the chromium coating film. ... | 03/22/2005 |
| 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 |
| 6829909 | Method for heating glass semi-finished products above the adhesion temperature The invention relates to a method for heating up and shaping a preform consisting of glass or glass ceramic. According to the invention, a preform, formed using conventional methods, is heated to a temperature that is below the adhesion temperature of the gas, i.e. ... | 12/14/2004 |
| 6799438 | Method for making a microstructure in a glass or plastic substrate according to hot-forming technology and associated forming tool A microstructure is formed in a viscous glass or plastic substrate by pressing a structured surface of a forming tool corresponding to a negative of the microstructure to be produced in the viscous glass or plastic substrate. After the microstructure has been formed... | 10/05/2004 |
| 6776007 | Method of molding a glass composition into an optical element A mold has a moling surface of a material containing silicon carbide and/or silicon nitride as a main component and a carbon thin film formed on the molding surface to prevent fusion sticking. A glass substance which has a sag point not higher than 565° C. and a pr... | 08/17/2004 |
| 6679085 | Shaping tool with a structured surface for producing structures on glass, and the application thereof for structuring channel plates While avoiding the disadvantages of the screen printing technique employed until now, the invention provides a shaping tool (1) with a structured surface for creating structures on glass (2) which, in an economical way, makes it possible to form high-prec... | 01/20/2004 |
| 6640587 | Lubricated glass mold A mold for shaping end portions of glass tubes has first and second mating members which define a contoured bore into which the heated tube fits. Each member has a longitudinal bore from which extend radial bores opening into the interior cavity of the mo... | 11/04/2003 |
| 6591636 | Material and method for coating glass forming equipment An oxidation and corrosion resistant coating is applied to glass forming equipment by physical vapor deposition. The coating material is preferably aluminum oxide.... | 07/15/2003 |
| 6363747 | Glass mold material for precision glass molding A method for making working mold tools for use in a compression molding process for molding optical glass elements from high temperature glasses having Tg 's in the range of from about 400° C. to about 850° C. An yttria aluminosilicate glass ... | 04/02/2002 |
| 6311523 | Process for forming a glass sheet A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature above ... | 11/06/2001 |
| 6279346 | Method for reducing hot sticking in molding processes The method of the present invention overcomes the hot-sticking problems between an inorganic non-metallic material (=insulator) to be molded and a forming die by maintaining an assembly comprising a forming die and the insulator in a polarized state durin... | 08/28/2001 |
| 6263705 | Hot glass sheet handling apparatus including overlapping roll conveyor and topside transfer platen Apparatus (32) for handling hot glass sheets includes a roll conveyor (14) and a topside transfer platen (18) that overlap to provide assistance in the initial support of heated glass sheets by the topside transfer platen through the use of a vacuum and p... | 07/24/2001 |
| 6205819 | Method for vacuum fusion bonding An improved vacuum fusion bonding structure and process for aligned bonding of large area glass plates, patterned with microchannels and access holes and slots, for elevated glass fusion temperatures. Vacuum pumpout of all components is through the bottom... | 03/27/2001 |
| 6151917 | Press-molding die for magnetic-disk glass substrate A press-molding die can manufacture magnetic disks suitable for the zone-texture technique in large quantities and at a low price by forming smooth surface areas and rough surface areas on the surface of the press-molding die. A manufacturing method for t... | 11/28/2000 |
| 6101845 | Process for forming a glass sheet A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature a... | 08/15/2000 |
| 6082140 | Fusion bonding and alignment fixture An improved vacuum fusion bonding structure and process for aligned bonding of large area glass plates, patterned with microchannels and access holes and slots, for elevated glass fusion temperatures. Vacuum pumpout of all the components is through the bo... | 07/04/2000 |
| 6032490 | Mold for fabricating optical fiber guide block In a grindstone for fabricating a mold which has optical fiber engagement portions of an optical fiber guide block used for aligning optical fibers, two main grinding surfaces are provided to form the optical fiber engagement portions contacted with the s... | 03/07/2000 |
| 5958099 | Glass making process using blank mold sooting A blank mold sooting process in which a lubricating or detaching layer is formed on the internal walls of the blank mold, by igniting an acetylene flow with piezoelectric electrodes, a voltaic arc generator, or an electrical resistance. The process is per... | 09/28/1999 |
| 5938806 | Glass forming machine and glass forming method A spray device which is provided with a nozzle for spraying a lubricant is arranged in proximity to a bottom mold and/or a plunger, and the nozzle is operated and controlled by a control device to spray the lubricant on a mold surface of the bottom mold a... | 08/17/1999 |
| 5888263 | Method of annealing a glass product and annealing apparatus for a glass product A mesh belt is stretched in an annealing lehr and a plurality of fine mesh elements, which constitute a fine mesh having gas-permeability and elasticity, formed by weaving a heat-resistant wire, are fixed onto the mesh belt so as to be arranged along the ... | 03/30/1999 |
| 5888266 | Apparatus and method for producing a pressed glass article Apparatus which is disclosed comprises a metal mold, a metal plunger and an annular manifold, and includes means for moving the plunger and the manifold between an open position in which the manifold surrounds the plunger and a gob of softened glass can b... | 03/30/1999 |
| 5885316 | Nozzle tip for glass injection cartridge A nozzle tip for a glass injection cartridge loaded with a rod-shaped glass material and having a heater for melting down the glass material into a molten state for injection into a mold, the nozzle tip containing: a) a nozzle body having a conical shape conve... | 03/23/1999 |
| 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 |
| 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 |
| 5785727 | Glass forming machine A spray device which is provided with a nozzle for spraying a lubricant is arranged in proximity to a bottom mold and/or a plunger, and the nozzle is operated and controlled by a control device to spray the lubricant on a mold surface of the bottom mold a... | 07/28/1998 |
| 5762676 | Product for molding glass lenses having difficult shapes An improved tool is provided for pressing glass into a precision optical element having a strong concave surface. The tool is selected from ceramic and metal materials having coefficients of thermal expansion greater than the coefficient of the pressed gl... | 06/09/1998 |
| 5746800 | Glass making apparatus having automatic blank-mold sooting device A glass making apparatus adapted to deposit a lubricating/detaching layer of carbon black obtained from acetylene cracking on the internal walls of a blank mold (1, 18). The glass making apparatus includes a blank mold (1, 18) having an open top and an op... | 05/05/1998 |
| 5597396 | Method of and device for lubricating molds of bottle making machine A robot carries a swabbing member to a position of each mold to rub the swabbing member against each one of the molds. The swabbing member feeds a swabbing agent to the surface of each mold where it comes in contact with, and rubs the agent thereinto.... | 01/28/1997 |
| 5139560 | Apparatus for the manufacture of hollow glassware In a device for producing mold glass bodies, a molding cavity is defined by two mold halves and by two mouth ring halves. One single nozzle head is used for spraying a lubricant on both the inner faces of the mold halves and the connection faces of the mo... | 08/18/1992 |
| 5120341 | Method for manufacturing a glass container having a large impact strength using permanent and non permanent coatings on the apparatus A method for manufacturing a glass container by the steps of (a) providing a plunger with two portions, one portion having a sprayed metal coating of self-fluxing alloy and the second portion having a ceramic coating, (b) forming a lubrication carbon laye... | 06/09/1992 |
| 5090989 | Air operated locating system for orienting glass sheet on glass sheet shaping tool An apparatus (10) for orienting a glass sheet (12) on a glass sheet shaping mold (16) is disclosed as including a plurality of air actuated cylinders (32) mounted on the mold (16). Each cylinder (32) includes a glass sheet nester (34) that is actuable by ... | 02/25/1992 |
| 5078769 | Method and apparatus for pressing hollow blanks from glass Hollow blanks of glass are pressed between a hollow mold and a plunger (10). The mold comprises an inner wall complementary to the outer side of a blank. The plunger (10) comprises an open-pore plunger head (11) having a surface (24) complementary to the ... | 01/07/1992 |
| 5026597 | Soluble polymer interleaving material A method is disclosed providing temporary protection of a glass surface from staining and scratches by coating the exposed surface with a soluble polymer film incorporating spacer particles of an inert material.... | 06/25/1991 |
| 4990171 | Lubricant spray nozzle on a guide rail for glass bottle molds Apparatus for applying lubricant onto a molding die in a glass bottle making machine, including a spraying nozzle for spraying a mist of lubricant mixed with air onto an inner surface of the molding die, located on a guide rail above an array of a plurali... | 02/05/1991 |
