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| Number | Title | Issue Date |
| 4350867 | Fusion splicing of multi-layer optical fiber bundles First and second optical fiber groups, each composed of optical fibers in layers, are held by alignment mating means, with the optical fibers placed at predetermined positions and end faces of corresponding pairs of them butted with each other. A light be... | 09/21/1982 |
| 4317021 | Laser cutting apparatus for nuclear core fuel subassembly The object of the invention is to provide a system and apparatus which employs laser cutting to disassemble a nuclear core fuel subassembly. The apparatus includes a gantry frame (C) which straddles the core fuel subassembly (14), an x-carriage (22) travelling... | 02/23/1982 |
| 4315130 | Method of treating object by laser beam and apparatus therefor There are disclosed a laser treatment method and an apparatus therefor in which a laser beam is irradiated on an object to be treated. The laser beam emitted from a laser apparatus is divided into a plurality of fractional beams, and the fractional laser ... | 02/09/1982 |
| 4271347 | Method and apparatus for accelerating chemical reactions using a spread beam deflector with single or multiple reflectors An apparatus for spreading a coherent light beam produced by a laser or lasers into a selected pattern. The selected pattern of coherent light, generally a ribbon-like shape, can be used to place a desired amount of electromagnetic energy at a selected fr... | 06/02/1981 |
| 4265254 | Apparatus for perforating cigarette paper or the like Apparatus for perforating a web of wrapping material or tubular wrappers of discrete filter cigarettes of unit length or double unit length in a filter tipping machine has a laser which is energizable at a frequency depending on the speed of the main prim... | 05/05/1981 |
| 4250372 | Process and apparatus for the heat treatment by high energy beams of surfaces of steel products A first high energy beam is projected against a first flank surface of a substantially V-shaped steel surface, and simultaneously thereto a second a high energy beam is projected against a second flank surface of the V-shaped surface. The high energy beam... | 02/10/1981 |
| 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 |
| 4167662 | Methods and apparatus for cutting and welding Methods and apparatuses for cutting, welding, drilling or surface treating a workpiece are described. A laser beam is directed towards a workpiece and an arc is struck between an electrode and the heat affected zone created by the laser beam in the workpi... | 09/11/1979 |
| 4142088 | Method of mounting a fuel pellet in a laser-excited fusion reactor Laser irradiation means for irradiating a target, wherein a single laser light beam from a source and a mirror close to the target are used with aperture means for directing laser light to interact with the target over a broad area of the surface, and for... | 02/27/1979 |
| 4135902 | Method and apparatus for drawing optical fibers A laser beam (FIG. 1; 28) is reflected from a first oscillating galvanometer controlled mirror (14) onto a second oscillating galvanometer controlled mirror (15). The laser beam is reflected from the second mirror as a pattern (29) having an annular cross... | 01/23/1979 |
| 4125755 | Laser welding A beam welding apparatus useful for welding a plurality of workpieces spaced along a workpiece plane during a scan of the workpieces is disclosed. A scan light and a detection means are used to detect the location of each workpiece and to supply a signal ... | 11/14/1978 |
| 4121085 | Gas nozzle for laser welding A laser system includes a nozzle assembly for use in directing a shielding gas around a laser beam and thereby protecting the point of focus from contamination by the atmosphere as is useful in welding and cutting applications. The nozzle includes a manif... | 10/17/1978 |
| 4118619 | Rotary beam chopper and scanning system An optical laser beam chopper for converting a continuous beam into a series of scanning impulses for use in perforating a moving web is disclosed. The system utilizes a coherent light source which produces a beam for use in perforating a thin paper web o... | 10/03/1978 |
| 4080525 | Laser welding apparatus for pipe Apparatus for externally welding a seam along abutting lengths of pipe with the pipe being supported on site in position, e.g., on the ground, the apparatus having laser transmitting means which includes optically coupled individual reflectors supported f... | 03/21/1978 |
| 4060816 | Scanning apparatus, for producing masks for micro circuits A scanning device for providing rapid accurate mechanical line scanning of a preferably flat surface includes a radiation source, a radiation sensitive medium and apparatus for providing relative movement between the radiation source and the medium. The a... | 11/29/1977 |
| 4044936 | Glass tube cutting Apparatus for cutting glass tubing transverse to its length comprises a laser, an optical system for directing the laser along a full circumferential line around the tubing without rotating the tubing and means for forming a point of weakness on the circu... | 08/30/1977 |
| 4028525 | Apparatus for creating holes in flexible members A small hole may be formed in a wall of a flexible member or structure such as a tube of a thermoplastic material by an apparatus including a rotating wheel by a laser beam source directed towards the wheel, and rotating reflecting means for reflecting th... | 06/07/1977 |
| 4017708 | Method and apparatus for heat treating an internal bore in a workpiece A method of heat treating a bore in a workpiece to increase its surface hardness is disclosed, including shaping an annular laser beam emanating from a source into an elongated focal pattern to provide a more evenly distributed energy level in cross secti... | 04/12/1977 |
| 4012213 | Apparatus for forming refractory fibers Apparatus for forming fibers of refractory materials. A melt volume is continuously formed on a feed rod of the material to be fiberized and a fiber drawn therefrom. The melt volume is formed by introducing the feed rod at a predetermined velocity into a ... | 03/15/1977 |
| 4009364 | Curing of protective coatings with IRASER beams A method and arrangement for curing paint films and coating compositions by means of infrared radiation emitted by IRASERS, whereby the intensity of the IRASER beam is determined or controlled by the simultaneous measurement of the surface temperature of ... | 02/22/1977 |
| 4001543 | Apparatus for a laser welding of a pipeline, particularly suitable for application on pipe-laying ships Apparatus which may be mounted upon a lay barge to weld an end of a pipe spool to an end of a pipeline used under water, includes a stand fixed to the pipeline to support and secure its outer end, a pipe spool support which may hold a spool in coaxial rel... | 01/04/1977 |
| 3993402 | Apparatus for directing a laser beam Apparatus for directing a single laser beam to several predetermined positions on a workpiece. In a preferred embodiment of this invention, a laser beam is deflected from a plurality of rotating mirrors which sequentially intersect the laser beam thereby ... | 11/23/1976 |
| 3990873 | Process for pulling light conducting fibers A process and an apparatus for pulling cladded light conducting fibers from one end of a blank characterized by utilizing a blank having a hollow tubular core with an exterior casing, directing laser radiation, which will be absorbed by the material of th... | 11/09/1976 |
| 3986767 | Optical focus device An apparatus for focusing a beam of collimated radiation at various locations over a wide area is disclosed. The apparatus includes a focus head having an offaxis parabolic section in combination with a flat turning mirror. The head is capable of rotating... | 10/19/1976 |
| 3981705 | Method of making optical waveguides from glass fibers A procedure is described for drawing glass fibers which are particularly suitable for use in optical waveguides. A laser is used as a souce of heat and an optical system is provided for focusing an annular beam around a glass preform from which the glass ... | 09/21/1976 |
| 3972599 | Method and apparatus for focussing laser beams A method of focussing a laser beam having a ring-shaped cross-section to provide a depth of focus for use in cutting and the like, in which the laser beam is converged to and through a focus by reflection from a concave mirror, and in which the diverging ... | 08/03/1976 |
| 3965327 | Method of cutting material to shape from a moving web by burning A method and apparatus for cutting a predetermined pattern in a moving web of material, such as paper, cardboard or the like is disclosed wherein a laser beam is deflected by a series of pivotable mirrors. The pivoting of the mirrors is controlled so as t... | 06/22/1976 |
| 3943324 | Apparatus for forming refractory tubing Refractory tubings approaching theoretical density, either in polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to me... | 03/09/1976 |
