Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8037719 | Method for manufacturing basalt fiber Basalt filament is manufactured in such a manner that the fiber diameter can be controlled and the filament is not severed during the winding step. A network former and a glass modifier are formed and maintained with respect to basalt rock ore, and the crystallizati... | 10/18/2011 |
| 7716953 | Method and assembly for fiberizing molten glass Apparatus and methods for making a continuous fiber product by gathering a plurality of fibers into a strand in contact with a pad wheel that is driven with a low voltage, variable speed motor or drive, and controlling the RPM of the motor in response to a breakout ... | 05/18/2010 |
| 7320232 | Apparatus for fabricating holey optical fiber There is provided an apparatus and method for fabricating a holey optical fiber. An optical fiber with air holes of a predetermined size and shape along the length of the optical fiber is drawn by supplying nitrogen gas into air holes through one end of a holey opti... | 01/22/2008 |
| 7252026 | Strand oscillator assembly for choppers and method An improved oscillator assembly that can be used on a chopper for chopping strands of fiber and other long or continuous it items into segments. The improved oscillating assembly moves the items back and forth across the surface of a working layer of the chopper whi... | 08/07/2007 |
| 7194875 | Fiberizing bushing with improved screen A bushing for fiberizing molten material, such as molten glass, having a screen mounted in the bushing spaced above the tip or orifice plate with a central portion of the screen having a significantly lower percent of hole area than the percent of hole area in end p... | 03/27/2007 |
| 7194874 | Screen for fiberizing bushings and method A bushing for fiberizing molten material, such as molten glass, having a screen mounted in the bushing spaced above the tip or orifice plate with a central portion of the screen having a significantly lower percent of hole area than the percent of hole area in end p... | 03/27/2007 |
| 7016576 | Method for producing an optical fibre telecommunications cable with reduced polarization mode dispersion An optical cable for telecommunications having an optical core and a plurality of protecting and reinforcing elements or avers placed around the optical core. The optical core has a central reinforcing element, a polymer layer, a plurality of optical fibers incorpor... | 03/21/2006 |
| 7013677 | Device for glass melt delivery and method for using them The present invention provides devices for glass melt devlivery and methods for using these devices. In these devices, a delivery nozzle comprising at least one platinum group metal material is directly heated by electricty. To facilitate heating, a cylindrical heat... | 03/21/2006 |
| 7003983 | Method of manufacturing optical glass element, and optical glass element manufactured using the method A method of manufacturing an optical glass element for which flatness and smoothness of the surfaces of the optical glass element can be improved while securing the similarity of the cross-sectional shape of the optical glass element to that of the mother glass, and... | 02/28/2006 |
| 7003986 | Fiberizing bushings and methods of using Electrical resistant bushings and methods for making fibers such as glass fibers by passing molten glass through these bushings to form fibers wherein the bushings have novel ears for attaching to electrical terminal clamps bringing electrical current to the bushing... | 02/28/2006 |
| 6988383 | Bushing and glass fiber producing method The present invention provides a bushing (10) having a glass outlet portion (18) in which two nozzle holes (12) of substantially flat shape are arranged, and permitting molten glass to be drawn out of the nozzle holes (12), and the bushin... | 01/24/2006 |
| 6920270 | Optical fibre with reduced polarization mode dispersion and method for obtaining an optical fibre with reduced polarization mode dispersion A method for determining at least one parameter of a periodic spin function α(z) with period p, to be applied to an optical fiber along its length z during a drawing process. At least one parameter is selected so that (I) where ε1 is about 0.05 and y | 07/19/2005 |
| 6904214 | Method of providing an optical fiber having a minimum temperature sensitivity at a selected temperature An optical fiber for use in making components of an optical communication system has cladding and core materials the constituents of which cause a component made from the fiber to have a rate of change with respect to temperature of a response to a signal which pass... | 06/07/2005 |
| 6735985 | Method of impressing a twist on a multimode fiber during drawing The specification describes a technique for drawing circular core multimode optical fiber using twist during draw to increase fiber bandwidth. ... | 05/18/2004 |
| 6453702 | Fiberizing apparatus and method A fiberizing apparatus for converting molten material into continuous fibers having an improved internal support structure to minimize high temperature creep and sagging of the tip plate or orifice plate is disclosed. The preferred internal support struct... | 09/24/2002 |
| 6453704 | Method of positioning a pulled fiber strand An apparatus for receiving and automatically moving a moving strand of fibers from a starting position to any one of a plurality of predetermined positions in a multi-grooved separator roll is disclosed. This apparatus is particularly in processes of maki... | 09/24/2002 |
| 6260387 | Method for fabricating glass preforms for molding optical surfaces in glass elements A method for making preforms for use in a glass lens molding process and molding lenses is disclosed. A glass rod is formed preferably by dipping a bob into a homogeneous melt of a predetermined optical glass, maintaining the temperature of the homogeneou... | 07/17/2001 |
| 6254816 | Process and apparatus for the manufacture of composite fibrous strand comprising glass fibers A process and apparatus are provided for the manufacture of a composite fibrous strand including glass fibers. Glass fibers and an additive fibrous material (e.g., thermoplastic polymeric fibers) are each introduced separately into a substantially rotatio... | 07/03/2001 |
| 6134922 | Method for drawing a glass ingot A method for drawing a glass ingot into a rod having a given outer diameter is described. The method is characterized in that when the glass ingot is fed into a heating zone at a final tapered portion thereof, a temperature in the heating zone is decrease... | 10/24/2000 |
| 6125660 | Method for manufacturing mineral fibres The invention relates to a process for the manufacture of, in particular, continuous mineral fibers from rock, glass-containing technical wastes, technical glass wastes, and to an apparatus. The object of the invention is to create a process which enables... | 10/03/2000 |
| 5991486 | Active single mode optical fibres and method for their fabrication An active single-mode optical fiber has the core made of a rare earth doped non-oxide glass and the cladding made of an oxide glass. The glass of the core has a melting temperature lower than that of the glass of the cladding and lying within the range of... | 11/23/1999 |
| 5928401 | Process of making fibers with a rotary ring furnace above a circular forehearth A process and apparatus are described for forming glass fibers which utilizes a rotating melter for the fiber glass batch materials and stators which house the fiber forming bushings. The stators are encompassed by the rotating melter, but not physically ... | 07/27/1999 |
| 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 |
| 5779758 | Method and apparatus for forming continuous glass fibers An apparatus is provided for producing a glass fiber package. The apparatus includes a heated bushing for supplying streams of molten glass to be drawn into continuous fibers, a rotatable member adapted to draw the streams into fibers and to wind the fibe... | 07/14/1998 |
| 5709728 | Method and device for the production of mineral wool by using mineral wool waste as recycled starting material The melting tub for producing the molten mass from a mixture of raw material is associated with an additional melting unit by means of which a recycled molten mass is obtained from mineral wool waste largely corresponding to the molten mass obtained from ... | 01/20/1998 |
| 5707564 | Method for the manufacture of wires stretched according to a predetermined profile A method for the controlled stretching of one or more optical fibers according to a desired profile and a device for its implementation. The method includes several steps. In these steps, a speed Ve =dxe /dt of flow of the fiber ente... | 01/13/1998 |
| 5702498 | Process for carbon-coating silicate glass fibers This invention is a strand of silicate glass fibers with a carbon skin or sheath around each glass fiber of the strand. The invention uses hydrocarbon pyrolysis with silicate fiber glass manufacturing to produce fibers using conventional melt-bushing tech... | 12/30/1997 |
| 5694512 | Compact tunable wavelength independent all-fiber optical attenuator and method of making same A compact, tunable, wavelength independent, all-fiber attenuator is produced by heating a single-mode fiber to create at least one taper therein through capillarity rather than through pulling, pushing or twisting the fiber. The attenuator may be tuned to... | 12/02/1997 |
| 5639292 | Process and apparatus for applying size to glass fibers A process and apparatus are provided for coating a sizing composition onto glass fibers. The apparatus includes an applicator for applying a liquid sizing composition to the glass fibers and a treatment station for treating the sized fibers to increase th... | 06/17/1997 |
| 5639291 | Method of and apparatus for forming composite and other fibers In a method of and an apparatus for forming composite and other fibers, individual filaments from two or more sets of continuous primary filaments of two or more heat-softenable fiberizable materials are brought together lengthwise to form pairs of contin... | 06/17/1997 |
| 5425796 | Method of and an apparatus for forming a composite thread including stretching of thermoplastic filaments A method and apparatus for producing a composite thread formed by the association or blending of continuous glass filaments and continuous filaments thermoplastic organic matter. The thermoplastic filaments are, while in the form of a sheet, blended with ... | 06/20/1995 |
| 5383946 | Optical fiber production method and production apparatus thereof In a heating furnace an optical fiber preform is heated and the optical fiber is drawn. The obtained optical fiber is cooled by a cooling gas in a cooling apparatus provided beneath the heating furnace, then a resin is coated on the outer circumference of... | 01/24/1995 |
| 5071459 | Bushing balance controller for multiple segment bushings A bushing balance controller controls the overall average temperature of a multiple segment glass fiber forming bushing and the temperature of each individual bushing segment. Current shunting loops divert current away from each bushing segment as require... | 12/10/1991 |
| 5062876 | Method and apparatus for forming round glass fibers This invention relates to a novel bushing apparatus having unique nozzles or projecting orifices for the production of round glass fibers. Particularly, it relates to a bushing having tips with cross-sections in the form of finite-sided polygons. It is sh... | 11/05/1991 |
| 5053359 | Cristobalite reinforcement of high silica glass A high-density silica glass article with excellent thermal shock characteristics is formed from a high purity vitreous silica containing an aluminum compound as a crystallization aid and having a dense concentration of cristobalite muclei. The aluminum co... | 10/01/1991 |
| 5037800 | Method of drawing glass encased superconductive oxide core A sintered elongated core made of a ceramic type superconductive material consisting essentially of (Rx Ba.sub.(1-x))3 Cu2 Oz in which R is Sc, Y La, Ho, Dy or Eu; x is in the range of from 0.3 to 0.8; and z is ... | 08/06/1991 |
| 4963176 | Method for making glass fiber mats using controllable fiber glass strand feeders This invention relates to improvements in making mats of continuous fiber strand using controlled reciprocating strand feeders. More particularly, the invention relates to improvements in making continuous fiber glass strand mats having more uniform densi... | 10/16/1990 |
| 4863502 | Method for the manufacture of a composite fiber, web, strand or roving A method for forming composite webs. The method includes introducing alternative fibers during the fiber glass drum or sliver manufacturing process so as to produce a composite web, strand or roving.... | 09/05/1989 |
| 4846865 | Clad precious metal bushing and method for making An improved laminated bushing is provided for manufacturing fibrous glass products. The bushing comprises a precious metal inner portion which is externally coated with a non-reactive, thermally shock-resistant ceramic. Preferably the ceramic is a crystal... | 07/11/1989 |
| 4776865 | Method of forming a fiber-reinforced inorganic composite A method of forming a fiber-reinforced, glass or glass-ceramic, elongated composite is described wherein several multifiber lengths are impregnated with matrix material, woven or twisted to form a fabric network, the impregnating matrix material softened,... | 10/11/1988 |
