"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7118048 | Apparatus and method for droplet steering An apparatus and method for droplet steering is disclosed herein. A throated structure having a nozzle defines a converging throat with an inlet and an outlet and a vectored fluid stream directed therethrough. The fluid stream is driven through the system via a vacu... | 10/10/2006 |
| 7003984 | Hybrid manufacturing process for optical fibers A hybrid method of and apparatus for producing a structure capable of being drawn into an optical fiber. The method includes the steps of conducting vapor-phase reactants into an interior region of a glass tube, conducting aerosol form reactants into the interior of... | 02/28/2006 |
| 7003985 | Method and apparatus for removing polymeric coatings from optical fiber in a non-oxidizing environment In accordance with the invention, the polymeric coating is removed from a coated optical fiber by disposing the fiber within a non-oxidizing environment and applying sufficient heat to volatilize at least a portion of the polymeric coating. The result is that the co... | 02/28/2006 |
| 6976639 | Apparatus and method for droplet steering An apparatus and method for droplet steering is disclosed herein. A throated structure having a nozzle defines a converging throat with an inlet and an outlet and a vectored fluid stream directed therethrough. The fluid stream is driven through the system via a vacu... | 12/20/2005 |
| 6928840 | Optical fiber producing method A drawing apparatus 1 comprises a drawing furnace 11, a protecting tube 21, and a resin curing unit 31. A buffer chamber 41 is disposed between the drawing furnace 11 and the protecting tube 21, and has a length L1... | 08/16/2005 |
| 6519977 | Optical fiber preform suspending and supporting apparatus and optical fiber preform processing apparatus An optical fiber preform suspending and supporting apparatus able to prevent deformation of a pin placed in a high temperature environment and able to support a porous optical fiber preform without adversely influencing supports of the pin and without cau... | 02/18/2003 |
| 6385370 | Device and method for forming anti-symmetric long period optical fiber gratings by microbending There is provided a device and method for forming optical fiber anti-symmetric long period gratings by microbending. In the optical fiber grating forming device, a laser system emits a CO2 laser beam, a lens focuses the CO2 laser bea... | 05/07/2002 |
| 6148641 | Apparatus and method for producing dried, chopped strands An apparatus and method for producing dried, chopped strands from a supply of continuous fiber strands by the direct deposition of wet, chopped strands ejected from a chopping assembly into a drying chamber is disclosed. A transition chute is interposed b... | 11/21/2000 |
| 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 |
| 5843202 | Apparatus for forming migration free glass fiber packages Energy efficient apparatus for forming migration free glass fiber packages composed of fibers bearing substantially uniform coatings of size composition. Heated air from around the fiber forming bushing is drawn into a chamber through which the glass fibe... | 12/01/1998 |
| 5759961 | Superconductor fiber elongation with a heated injected gas An improved method and apparatus for producing flexible fibers (30) of superconducting material includes a crucible (12) for containing a charge of the superconducting material. The material is melted in the crucible (12) and falls in a stream (18) throug... | 06/02/1998 |
| 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 |
| 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 |
| 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 |
| 5443611 | Apparatus for producing and treating glass threads A thread is formed of one or a plurality of fans of continuous filaments on which a sizing composition is deposited. The moisture content on the thread is controlled by subjecting the fans of filaments to a current of air transversely to the direction of ... | 08/22/1995 |
| 5338328 | Apparatus of manufacturing hermetic coating optical fiber A mass production method and apparatus of hermetic coating optical fiber where a bare fiber drawn from a preform is hermetically coated by CVD method in a reactor vessel, wherein a liquid flushes solid particles or by-products sticking to the reactor inne... | 08/16/1994 |
| 5309540 | Optical fiber sensor and a manufacturing process for making same The invention is a hollow fiber with, over the full length of the fiber and between each fiber channel (3, 4) and the core, at least one stress zone (5, 6) to create an anisotropic stress distribution which subjects the fiber core to a tensile stress. The... | 05/03/1994 |
| 5296011 | Method of manufacturing hermetic coating optical fiber A mass production method of hermetic coating optical fiber where a bare fiber drawn from a preform is hermetically coated by CVD method in a reactor vessel, wherein a liquid flushes solid particles or by-products sticking to the reactor inner wall. The li... | 03/22/1994 |
| 5113035 | Device for the production of an optical waveguide preform In the production of an optical waveguide preform, particularly for the production of mono-mode optical waveguides, a tube, or several tubes, of quartz glass are fused onto a crude preform rod of quartz glass. In a known device, the crude preform rod and ... | 05/12/1992 |
| 5090978 | Methods of collapsing glass tube A preform tube (31) is caused to be collapsed into a preform rod by causing a heat zone (54) provided by a torch assembly (50) to traverse the tube longitudinally in a plurality of passes. During this collapse mode, a muffle tube (100) encloses that porti... | 02/25/1992 |
| 5055119 | Method and apparatus for forming migration free glass fiber packages Energy efficient process and apparatus are disclosed for forming glass fiber packages which are free of migration. Air from around the fiber forming bushing is passed beneath the bushing whereby it is heated by bushing heat and the heated air is then draw... | 10/08/1991 |
| 5046812 | Apparatus and method for joining coated optical fibers by fusion An arrangement for effectively fusing together two optical fibers. Many fibers currently have a carbon-based coating applied to the bare fiber, with the coating being surrounded by a plastic jacket. It has been difficult to fuse the two fibers together du... | 09/10/1991 |
| 4929264 | Apparatus for reducing optical-fiber attenuation A silica glass optical fiber is subjected to an external strain which causes vitreous matrix atoms to stabilize in a lower energy condition. In this way inhomogeneity domain sizes and as a consequence the attenuation due to Rayleigh scattering, depending ... | 05/29/1990 |
| 4565557 | Containerless high purity pulling process and apparatus for glass fiber Apparatus and method for pulling optical glass fibers in a containerless environment is disclosed which includes a single-axis acoustical levitation furnace (10) in which a specimen (S) is levitated and melted. A reflector unit (16) is carried in the inte... | 01/21/1986 |
| 4381330 | Surface treated glass-wool mat and the method for making the same A glass-wool mat is produced from a sheet of glass fibers by heating the surfaces of the sheet to a temperature close to the melting point of glass so that the glass fibers in the surface area have rounded ends and are shrunk so that they are firmly entan... | 04/26/1983 |
| 4344785 | Modular molten glass column A modular molten glass column comprised of a plurality of modular glass conduits for providing glass to, for example, a high pressure glass fiber forming bushing is disclosed. The column consists of several glass modules, each of which includes a glass co... | 08/17/1982 |
| 4256477 | Class fiber forming Method and apparatus for measuring two or more temperatures of a bushing and controlling those temperatures by introducing a gaseous fluid into contact with the bushing at two or more loci.... | 03/17/1981 |
| 4231777 | Methods of and apparatus for heating a glass tube In order to react gases and/or vapors to deposit optically suitable layers of doped silicon dioxide on an inner wall of a glass substrate tube to produce a preform from which optical fibers are drawn, the glass tube is heated by a mixture of combustible g... | 11/04/1980 |
| 4215263 | Drawing optical waveguides by heating with laser radiation In drawing an optical waveguide, the blank is heated by a beam of laser radiation which has substantially zero power from the axis of the blank to a prescribed radial position and substantially uniform power from that position to a greater radial position... | 07/29/1980 |
| 4039718 | Hollow glass filaments sealed at both ends their production and their use as matrix reinforcing materials Novel glass fiber strands of relatively short lengths are disclosed in which the strands are formed of a consolidated bundle of glass filaments. The filaments making up the consolidated strand have external diameters of 0.0003 to 0.003 inch (0.0016 to 0.0... | 08/02/1977 |