Class 65/441 - Electromagnetic, magnetic, wave, or particulate energy utilized

Subclass of Class 65 - Glass manufacturing
Definition: Processes involving the use of electrical, magnetic, particulate,
No. of patents: 32
Last issue date: 05/24/2011

Number	Title	Issue Date
7946136	Method and apparatus for forming glass flakes and fibres Apparatus for forming fibers or flakes of material comprises means (1) for producing a heated stream of molten material (9), means for feeding the stream in a substantially vertically downward direction and means (7) for receiving the downwardly...	05/24/2011
7277460	Generation of optical filaments by use of localized optical inhomogeneities Optical filaments are formed controllably in a gaseous medium such as air. A phase plate introducing a phase discontinuity or other localized optical inhomogeneity is introduced into the path of the pulsed high-power laser beam that forms the optical filaments in th...	10/02/2007
7216512	Method of making an optical fiber by laser cleaving A field-installable connector includes a connector housing and a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough. A laser processed stub optical fiber is disposed within the one fiber bore of the ferrule an...	05/15/2007
7119962	Method of manufacturing a molded lenslet array An imaging apparatus (10) to image wise expose desired microcapsules (38) within a photosensitive media (44) with an image exposure device (12) to harden the desired microcapsules applying pressure to the exposed photosensitive media rupt...	10/10/2006
7093463	Method and device for producing powders that consist of substantially spherical particles A method for producing powders that consist of substantially spherical particles from a material such as glass, ceramics or plastic that produces a highly viscous melt that solidifies at a glass transition temperature Tg or at a solidification temperature...	08/22/2006
6963687	Process for cutting an optical fiber A process for cutting or splitting at least one optical fiber at a predetermined angle, wherein the fiber is introduced into a holding and positioning device and is cut by a pulsed laser beam. ...	11/08/2005
6877344	Preparation of optical fiber An optical fiber is prepared by applying a liquid electron beam-curable resin composition to a bare optical fiber or a coated optical fiber having a primary or secondary coating on a bare optical fiber, irradiating electron beams to the resin composition on the opti...	04/12/2005
6830781	Method for producing an SiO2 blank and apparatus for performing said method In a known method for producing an SiO2 blank, SiO2 particles are formed in a burner flame assigned to a deposition burner and are deposited under the effect of an electrical field on a deposition surface of a carrier rotating about its longitu...	12/14/2004
6729161	Method of selectively reforming an inner part of an inorganic body An inorganic body containing rare earth and/or transition metal ions that has been irradiated with a pulsed laser beam in the manner such that a focal point of the pulsed laser beam is adjusted to an inner part of the inorganic body is disclosed. The inorganic body ...	05/04/2004
6381989	Heat treated fibers for reinforced dental restorations and method of manufacture thereof A method for processing a glass fiber material, wherein the glass fiber material has been heat treated at a temperature less than or equal to the annealing temperature of the glass for a length of time effective to prevent separation and fraying of the ed...	05/07/2002
6195483	Fiber Bragg gratings in chalcogenide or chalcohalide based infrared optical fibers A reflective Bragg grating in the interior of an infrared transmitting glass fiber, and a method for fabricating such reflective Bragg grating in the interior of the infrared transmitting glass fiber is disclosed. The method comprises the steps of: produc...	02/27/2001
6189344	Method for low frequency sound distribution of rotary fiberizer veils A method and device is disclosed for distributing a veil by applying low frequency sound to at least one portion of the veil, and causing the veil to deviate in its generally downward direction of travel. In its simplest embodiment, the lapping device of ...	02/20/2001
6094941	Process for manufacturing optical member for excimer laser An excellent quartz glass optical member having stable laser beam resistance, can be obtained by preparing quartz glass in a process having: a first step of subjecting a starting material obtained from silicon halide, alkoxysilane, alkylalkoxysilane, etc. to a...	08/01/2000
6073464	Laser surface treatment device and method A laser surface method involves applying a laser beam treatment in one or several steps to a series of generally similar surfaces of given depth. Properties of the laser treatment are selected so as to change the physical state of each surface. Ellipsomet...	06/13/2000
5812725	Method for increasing adhesion between a coating and an optical glass fiber electron beam pretreatment This invention provides a method of increasing adhesion of radiation-cured, inner primary coatings on glass optical fibers. A glass optical fiber drawing tower has a controllable variable amperage electron beam for exposing different sections of a glass o...	09/22/1998
5629998	Method and apparatus for writing photosensitive grating using Lloyd's mirror Apparatus for forming a refractive index grating in a waveguide in accordance with the invention includes a waveguide formed from a material that changes its index of refraction when exposed to a beam of optical radiation, a source of coherent optical rad...	05/13/1997
5276011	Method of manufacturing a component of the tape or filament kind out of a material based on a superconducting oxide having a high critical temperature, and a component obtained thereby A method of manufacturing a component of the tape or filament kind out of a material based on a superconducting oxide having a high critical temperature, wherein said material is formed while it is in the vitreous state, the method being characterized by ...	01/04/1994
5240066	Method of casting amorphous and microcrystalline microwires A method for preparing glass-coated microwires is provided. A metal in a glass tube is superheated in a high frequency induction field, whereby the glass tube softens. A thin capillary tube is drawn from the softened glass and the glass tube fills with mo...	08/31/1993
5104433	Method of making optical fiber Methods are provided for making an optical fiber transmission medium which includes optical fiber (21) provided with a coating system (31) typically including two layers each of a different coating material. An inner layer (32) of a first coating material...	04/14/1992
5011523	Process and device for producing a yarn or ribbon formed from reinforcement fibers and a thermoplastic organic material The invention relates to an apparatus and process for the direct production of a composite yarn or ribbon of continuous reinforcement fibers and a thermoplastic organic material. The process includes drawing reinforcement fibers from molten glass, driving...	04/30/1991
4969940	Apparatus and method for making mineral wool from coal-ash An apparatus and method which provides for controlled melting of both components of coal-ash, as well as the melting of selected additives, the melted coal-ash with additive being immediately available to a conventional fiberizing spinner stage. An arc fu...	11/13/1990
4853021	Process and apparatus for producing coated single twist glass yarns A process for producing coated, single twist glass yarns which comprises drawing a plurality of fibers formed from fibers of molten glass, applying to the fibers a sizing comprising a thermoplastic, thermosetting or photosetting composition, gathering the...	08/01/1989
4617041	Method for continuously manufacturing elongated bodies starting from unmolten solid starting material A method for continuously melting a glass by means of a high-frequency electromagnetic field in a melting tube is provided. In this technique, the electromagnetic field is coupled in the melt by means of a coil present within a cooling jacket surrounding ...	10/14/1986
4582520	Methods and apparatus for measuring and controlling curing of polymeric materials The degree of cure of a traveling carbonaceous polymeric material (on 48), formed (at 34) from a plurality of chemical reactants (32) and subjected to a curing process (at 42 and 44) is determined by directing (with 86 and 88) into the traveling material ...	04/15/1986
4321073	Method and apparatus for forming metal coating on glass fiber Glass fibers employed as optical waveguides are provided with a metal coating by passing the glass fiber, following its formation, through a chamber into which a metal-containing compound is introduced. A source of radiant energy, e.g., a CO2 l...	03/23/1982
4319901	Electro-optic fiber monitor A method of and apparatus for monitoring the method comprising the steps of: generating electromagnetic radiation; using a first lens to form the electromagnetic radiation into a beam; directing the beam through a sampling volume for impingement upon the ...	03/16/1982
4276072	Optical fiber fabrication High purity glass preforms for optical fiber manufacture are provided by depositing, using chemical vapor deposition techniques, high purity materials upon a removable hollow tubular deposition substrate of a radio frequency energy susceptible material. T...	06/30/1981
4221680	Treatment of substances A process and apparatus are disclosed for the treatment of a substance contained in a solution or a slurry. The solution or slurry can be treated to give a fusible dried product by use of microwave radiation. The fusible dried product can be heated and fused b...	09/09/1980
4201559	Method of producing a glass-ceramic There is disclosed a method of converting a thin glass body, such as a glass fiber or coating, to a corresponding glass-ceramic body by a heat treatment comprising a plurality of heating-cooling cycles....	05/06/1980
4158555	Method of cutting of glass strand and product produced thereby A method of cutting glass fiber strands is disclosed wherein said strands are driven across the beam of an interruptable laser. The laser beam melts the strand at each pulse of the beam cutting the strand into short lengths. The cut strands can be immedia...	06/19/1979
4130406	Method of detecting breakage of glass fiber filament A method of detecting breakages of glass fiber filaments being drawn through orifies of an orifice plate by converting the variation in intensity of radiant light or heat emitted from a bead of molten glass which grows on the undersurface of the orifices ...	12/19/1978
3944640	Method for forming refractory fibers by laser energy Method and 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 veloc...	03/16/1976

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Class 65/441 - Electromagnetic, magnetic, wave, or particulate energy utilized