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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8151601 | Method for manufacturing an optical fibre The invention relates to a method for manufacturing an optical fiber, wherein a preform is placed in a draw tower, which draw tower comprises a furnace in which one end of a preform is heated, after which an optical fiber is drawn from the heated end, wherein the he... | 04/10/2012 |
| 6851281 | Method of fabricating rare earth doped optical fibre The present invention provides a method of fabricating rare earth doped preforms and optical fibers by a combination of modified chemical vapor deposition (MCVD) process and solution doping technique said MCVD process is used to develop matched or depressed clad str... | 02/08/2005 |
| 6851282 | Apparatus and method for making optical fiber A drawing apparatus 1 has a drawing furnace 11, a heating furnace 21, and a resin curing section 31. The drawing furnace 11 has a muffle tube 13 to which an He gas supply passage 15 from an He gas supply section 14... | 02/08/2005 |
| 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 |
| 6640589 | Glass base material drawing apparatus and method for drawing glass base material The glass base material drawing apparatus for heating and drawing a glass base material has a storage unit for storing the glass base material having an opening unit that is opened along the longitudinal direction of the storage unit when the glass base m... | 11/04/2003 |
| 6640588 | Method of making microporous structure defined by a multiplicity of singular channels A microporous structure can be formed from ductile material such as glass into an axially extended outer wall surrounding a plurality of singular micro-passages surrounded by the outer wall to provide an open area that extends continuously over the length... | 11/04/2003 |
| 6620350 | Method for making gradient refractive index optical components A method for making gradient refractive index optical components includes mixing a molten basic material (11) with a refractive index modifying material (21) in continuously changing proportions. The mixture is changed into a plurality of semi-molten fibe... | 09/16/2003 |
| 6568220 | Method of fabricating optical fiber gratings maximizing residual mechanical stress in the optical fibers An optical fiber for maximizing residual mechanical stress and an optical fiber grating fabricating method using the optical fiber are provided. The optical fiber includes a core formed of silica, for propagating light, and a cladding formed of boron-dope... | 05/27/2003 |
| 6502429 | Optical fiber fabrication method The present invention relates to an optical fiber fabrication method by which an optical fiber having an objective chromatic dispersion characteristic can be obtained readily. In an optical fiber fabrication method, a cutoff wavelength is measured in an o... | 01/07/2003 |
| 6484540 | Method for welding a quartz glass tube for use as an optical fiber preform A method for welding a dummy tube to a quartz glass tube for use as an optical fiber preform, comprising chamfering the inner edge portion of the dummy tube and/or the quartz glass tube for use as the optical fiber preform before welding the quartz glass ... | 11/26/2002 |
| 6418757 | Method of making a glass preform A method of making a glass article such as an optical waveguide preform is disclosed. The method comprises drawing a rod in at least two steps. In the first step an elongated, consolidated preform having an aperture therethrough is drawn to a reduced diam... | 07/16/2002 |
| 6295844 | Apparatus and method for drawing glass fibers An apparatus and method for drawing low loss fluoride glass fibers from a preform. A stream of reactive gas is passed around the preform and fiber so as to prevent moisture and oxygen contamination of the fiber while the fiber is being drawn. The apparatu... | 10/02/2001 |
| 6192715 | Furnace for forming optical fiber An optical fiber drawing furnace capable of the prevention of entry of an ambient gas into an inner space thereof both effectively and economically, provided with a lower gas introduction portion through which inert gas is introduced into the inner space ... | 02/27/2001 |
| 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 |
| 6060412 | Crystalline glass, crystallized glass, crystallized glass article, and process for producing crystallized glass article In order to provide a crystallized glass which can be shaped by the redraw forming and a method of manufacturing a crystallized glass article by the redraw forming, the crystallized glass contains precipitated crystals with a maximum grain size not greate... | 05/09/2000 |
| 6031850 | Clad pumped, eye-safe and multi-core phase-locked fiber lasers A fiber laser 10 with square inner cladding 12, 29 may have a single core 11 codoped either with Ytterbium or Erbium or with Thulium and Holmium at a ratio of at least 10:1 operating in a single mode to provide eye-safe radiation with wavelengths above 1.... | 02/29/2000 |
| 5545246 | Method and device for manufacturing an optical fiber A method for manufacturing an optical fiber (11), wherein the fiber (11) is drawn from one end of a preform (9) which is heated to above the glass softening temperature. The preform (9) is surronded by a protective gas (14) whose flow direction correspond... | 08/13/1996 |
| 5314517 | Method controlling the draw rate in the drawing of a glass feedstock A method for drawing glass objects from glass feedstock, wherein a dimension of the glass object is measured on-line and controlled by a control structure which compensates for the deadtime between a change to the drawing speed and the measurement of the ... | 05/24/1994 |
| 5158588 | Method of drawing dissolved superconductor A preform for drawing superconductive wire is prepared by mixing fine particles of a superconducting material, containing barium, potassium, bismuth and oxygen, with a solvent, containing potassium hydroxide, in a tube. When the preform is heated and draw... | 10/27/1992 |
| 5110334 | Method of producing glass fiber with cores of a different material A process is provided for forming a glass fiber having one or more metal aments in its core. In the process, a metal rod or particles of a metal or semiconducting material optionally mixed with glass powder is introduced into a hollow glass tube closed a... | 05/05/1992 |
| 5034354 | Alkali-free multichannel plate and glass There is disclosed a family of alkali-free, lead silicate glasses having properties that make them particularly suitable for use in producing perforated plates for such applications as multichannel plates. In addition to lead oxide and silica, the glasses... | 07/23/1991 |
| 4882209 | Glass capillary tube and method for its production A method for producing a glass capillary tube, which comprises drawing under heating a multiple tube assembly comprising a plurality of glass tubes having different diameters arranged coaxially one in another and simultaneously integrating the assembly by... | 11/21/1989 |
| 4778501 | Process and furnace for heat application Control of speed and uniformity of the heating of the working zone of the preform in a glass drawing operation in which the softening heat is applied by forced convection (13), using a separate fluid heating zone to introduce temperature and velocity cont... | 10/18/1988 |
| 4654065 | Quasi-containerless glass formation method and apparatus Apparatus and method for forming ultrapure glass rods (13) or fibers (28) from a polycrystalline rod (11) in which the method comprises the steps of heating a selected short section of the rod in the first furnace (21) to form a molten zone of the rod, he... | 03/31/1987 |
| 4060401 | Method for making aligned fibrous crystals The invention relates to siliceous materials in the form of elements of aligned elongated individual crystals and more particularly to methods of forming such elements, said methods comprising providing a siliceous melt which will yield at the temperature... | 11/29/1977 |
