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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6810686 | Process for manufacturing glass optical elements Disclosed are 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 tr... | 11/02/2004 |
| 6651461 | Conveyor belt A conveyor belt including a series of predefined sections and elevated support structures at the edges of each section for supporting items on the belt above the belt at each section.... | 11/25/2003 |
| 6564584 | 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... | 05/20/2003 |
| 6513435 | Process for modifying and printing on the surface of a compact substrate A process for modifying the surface of a solid substrate includes modifying the surface with at least one oxidizing flame and modifying the surface with at least one silicatising flame. The process is particularly beneficial in preparing glass and other s... | 02/04/2003 |
| 6467311 | Double flame polishing method for fiber preforms The optical fiber base material heat treatment method can be provided that the first flame polishing heats the surface of the optical fiber base material (106) with fixing a length of the optical fiber base material (106) and the second flame polishing he... | 10/22/2002 |
| 6360563 | Process for the manufacture of quartz glass granulate In a process for manufacture of dense, amorphous quartz glass granulate by production of a porous granulate from amorphous SiO2 powder and vitrification of the granulate, a porous SiO2 granulate is exposed to a fuel gas flame and is ... | 03/26/2002 |
| 6209353 | Method for producing an object having a flange and apparatus therefor A known method for producing an object having a flanged tubular portion at the outer periphery, comprises supplying a continuously extended, cylindrical body made of the flange material to a welding zone at the tubular portion of the object and welding th... | 04/03/2001 |
| 6067819 | Method for manufacturing glass container and apparatus therefor A method for manufacturing a glass container and an apparatus therefor capable of providing the container by pressing of a glass substrate using a die while keeping the glass substrate uniformly heated and softened. The glass substrate is heated while bei... | 05/30/2000 |
| 6041623 | Process for fabricating article comprising refractory dielectric body The smoothness of refractory dielectric bodies, particularly silica sol-gel bodies, is substantially improved by a relatively straightforward treatment. In particular, the surface of the body is treated with a plasma fireball, such as induced by a plasma ... | 03/28/2000 |
| 6016669 | Pulsed fuel-oxygen burner and method for rotatable workpieces An apparatus for applying heat to a rotatable workpiece is disclosed. A rotating lathe is provided for mounting a workpiece, for example a quartz tube, thereto so as to enable rotation of the workpiece. At least one translatable burner is coupled to a fue... | 01/25/2000 |
| 6009725 | Process for manufacturing glass optical elements Processes are disclosed 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 mat... | 01/04/2000 |
| 5985779 | Opaque quartz glass product and method of manufacture Disclosed is a quartz glass product of enhanced opacity manufactured by fusion of silica particles, the opacity being enhanced by the reaction of an organosilicon additive in the course of the fusion process. A method of enhancing the opacity of a quart g... | 11/16/1999 |
| 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 |
| 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 |
| 5843199 | Method and device for fire-polishing a lengthwise extended glass body During the fire-polishing of a lengthwise extended glass body (3), for example a preform for drawing optical fibers, the glass body (3) is held by a holding device (5, 7), and is heated by a burner (23) moving at a variable advancing speed parallel to the... | 12/01/1998 |
| 5711781 | Apparatus and method for heating an elongated glass An apparatus for heating an elongated glass body, which, for example, may be used as a pre-form for the drawing of glass fibers, includes a rotatable first chuck wherein the first end of the elongated glass body may be rotatably secured. In addition the a... | 01/27/1998 |
| 5685889 | Method for flame abrasion of glass preform An optical fiber glass preform is preheated so that it is uniformly preheated therethrough, then a surface of the preform is abraded by an oxyhydrogen flame to obtain a smooth optical fiber glass preform. This method is advantageous when relatively larger... | 11/11/1997 |
| 5683483 | Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate The present invention provides large, high-purity quartz glass plate with a high degree of smoothness and flatness, its manufacturing method and equipment. The invention is characterized by the procedure in which a quartz glass tube with an opening over a... | 11/04/1997 |
| 5674305 | Method for flame abrasion of glass preform The present invention relates to a process wherein a large glass preform is flame abraded to have a clear and smooth surface. In particular, the present invention pertains to a method for flame abrading a surface of a rotating glass preform by an oxyhydro... | 10/07/1997 |
| 5628106 | Method of manufacturing magnetic head In a first glass bonding process, a silicon-dioxide layer is formed on either a first or second magnetic material by vacuum evaporation. The first or second magnetic material with the silicon-dioxide layer is dipped in a warm solution containing alkali so... | 05/13/1997 |
| 5585173 | High-purity, opaque quartz glass, method for producing same and use thereof The high-purity, opaque quartz glass containing 3×106 -9×106 of closed cells having an average size of 20-40 μm per 1 cm3, a ratio of closed cells having sizes of 100 μm or more to the whole of cells being 1% or less, ... | 12/17/1996 |
| 5573566 | Method of making a quartz dome reactor chamber A method of making a quartz dome for a reactor chamber from a substantially flat quartz disk. The quartz disk is placed on a graphite ring which is rotated. The quartz disk is heated until the disk is softened slightly and it begins to slump. The softened... | 11/12/1996 |
| 5372623 | Method and apparatus for forming glass containers with reinforced inner surfaces This invention relates to a method and apparatus for forming a glass container by a press-and-blow system wherein the glass container is provided with a reinforced inner surface. According to the inventive method, fuel gas or a gaseous boron or silicon co... | 12/13/1994 |
| 5322542 | Method of and apparatus for chamfering edge of glass vessel A glass vessel edge chamfering method and apparatus wherein heat energy can be controlled readily and chamfering of a glass vessel having a deformed profile, local chamfering and simultaneous processing of the opposite inner and outer sides of a lip of a ... | 06/21/1994 |
| 5304228 | Method for making optical fiber with atraumatic rounded end for use in laser angioplasty An apparatus for delivery of high intensity laser radiation of large spot size into arteries and a method for making same are disclosed. An optical radiating apparatus is formed on one end of a light-conducting optical fiber such that high intensity laser... | 04/19/1994 |
| 5211730 | Method for heating glass body Redeposition of glass particles is prevented by a method for heating a glass body comprising heating a part of the glass body with relatively moving the glass body and a heating source, wherein an inert gas is blown from inert gas-blowing means onto a sur... | 05/18/1993 |
| 5160520 | Process for the production of a blank mold for glass fiber optical waveguides To produce a blank mold for glass fiber optical waveguides with a core and a single or multilayer sheath, in which the core glass material is applied to the inner wall of a glass tube by chemical deposition from the vapor phase, the internally-coated glas... | 11/03/1992 |
| 5141548 | Method of manufacturing a capillary flow cell A capillary flow cell in which a capillary (9) partially extends along the optical path of the cell and has its two end portions (12, 13) bent to achieve an essentially Z-shaped configuration. A template (1) has a central bore (2) in which the middle part... | 08/25/1992 |
| 5053171 | Manufacture of ophthalmic lenses by excimer laser Complex small objects such as ophthalmic lenses are quickly and accurately fabricated from plastic or glass blanks of ablatable material such as plastic or glass by cutting, shaping, and radiusing the blank entirely by laser light, using appropriate masks... | 10/01/1991 |
| 5041151 | Method and apparatus for glass edge finishing Flame seaming a glass sheet of irregular outline using a ring-type burner having an apertured inner wall aligned with the central portion of the glass sheet edge develops an edge of more uniform appearance when the application of a fuel mixture to a porti... | 08/20/1991 |
| 5009689 | Method of manufacturing a semiconductor device In a method of manufacturing a semiconductor device, at least a support body (1) and a monocrystalline semiconductor body (2) are provided with at least one flat optically smooth surface obtained by means of bulk-reducing polishing (mirror polishing), whi... | 04/23/1991 |
| 4898605 | Glass vessel in particular, an ampoule and a method for treating the glass vessel A glass vessel, in particular an ampoule, having a prestress produced at a predetermined spot of the vessel which permits an automatic opening of the vessel at the predetermined spot following scratching by means of a suitable tool. The prestress, which i... | 02/06/1990 |
| 4854956 | Method of manufacturing optical fibres having a core and a cladding of glass applying the rod-in-tube technique The invention relates to a method of manufacturing optical fibres in which a quartz glass tube is coated on the inside with core material, the assembly is contracted to form a solid rod which is then inserted into a quartz glass tube, after which the asse... | 08/08/1989 |
| 4842782 | Manufacture of ophthalmic lenses by excimer laser Complex small objects such as ophthalmic lenses are quickly and accurately fabricated from plastic or glass blanks of ablatable material such as plastic or glass by cutting, shaping, and radiusing the blank entirely by laser light, using appropriate masks... | 06/27/1989 |
| 4830651 | Infra-red generation Improved burner constructions for gas-fired infra-red generators having ceramic fiber matrix through the thickness of which gaseous combustion mixture is passed and as it emerges it is burned to heat emerging surface to incandescene. Burner matrix can be ... | 05/16/1989 |
| 4812152 | Device and process for heating a flat object made of thermoplastic material along a predetermined zone In a process for heating an object made of thermoplastic material along a predetermined zone, a ring of burners arranged in series is guided along the zone and heats this zone, the zone forming a closed path and approximately matching the outer contour of... | 03/14/1989 |
| 4645451 | Gas burner for externally heating glass bodies A gas burner for externally heating a glass tube which is positioned to be rotated on a rotational axis characterized by at least two multi-jet gas port blocks having a block axis with an arrangement of jets therearound being arranged with the block axes ... | 02/24/1987 |
| 4576571 | Method of polishing the surface of glass articles A method of polishing the surface of a glass article consists in exposing the surface of the said article to a flame produced by oxygen and by a fuel. In order to obtain a perfect surface quality, whatever the thickness and configuration of the article pr... | 03/18/1986 |
| 4568372 | Burners fitting out machines designed for the thermomechanical treatment of articles such as, more particularly, glass tubes A burner for a machine for the thermomechanical treatment of glass tubes is oriented obliquely with respect to a path of movement followed by the glass tubes in the machine. The burner is connected to a fuel delivery pipe and is provided with nozzles arra... | 02/04/1986 |
| 4561874 | Method for heat sealing a gun mount in a CRT neck The method for sealing a glass stem wafer into the neck of a CRT has a plurality of burner tips disposed completely around the neck. The burner tips are angled such as to create rotating hot gases around the neck. This eliminates the need to rotate the CR... | 12/31/1985 |
