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| Number | Title | Issue Date |
| 5209800 | Total containment welding of plastic tubes A plastic tube is cut into two sections which are sealed closed by a sterile method wherein the tube is loaded into two clamping jaws which flatten the tube. The tube is cut through the flattened section and the cut ends are heated to their molten state. ... | 05/11/1993 |
| 5205889 | Method and apparatus for producing flexible tubes of any length A method and apparatus for producing flexible tubes of desired length from several strips of rubber and/or fiber reinforced rubber. The apparatus comprises a wrapping machine and a vulcanizer arranged in series on a common axis along which a core can move... | 04/27/1993 |
| 5199966 | Optical coupler method Substrates for supporting optical fibers in an optical coupler are made by, first, making grooves in a glass preform which are about ten times the desired size, and then using glass drawing techniques to draw from the preform a substrate of the proper siz... | 04/06/1993 |
| 5196079 | Method and apparatus for joining thermoplastic workpieces by high frequency vibrations A method and apparatus are disclosed for joining a plurality of tubular thermoplastic workpieces by causing the workpieces to be stacked with their internal surfaces axially aligned. High frequency vibrations are applied to the respective inner surfaces o... | 03/23/1993 |
| 5188697 | Process and device for welding of tubular plastic parts Device for joining of tubular parts (10, 11) made from plastic, especially polyvinylidene fluoride, polypropylene or polyethylene, in which aligned parts (10, 11) exhibiting about the same diameter are pushed together and are welded on abutting surfaces (... | 02/23/1993 |
| 5181264 | Transceiver for bidirectional signal transmission over a monomodal optical fiber A circuit arrangement is provided for allowing the bidirectional exchange of received and transmitted signals over a single monomodal optical fiber. The light transmitter (usually a laser or a LED), the receiver of optical signals and an optical system su... | 01/19/1993 |
| 5163988 | Method of preventing twisting of a fushion-spliced, tube-removed fiber portion in the process of encasing the fiber portion in a casing In a method of preventing twisting of a fusion-spliced optical fiber in the process of encasing the optical fiber in a casing, one of a pair of optical fibers is wound N turns in one direction to form a first coil. Another of the pair of optical fibers is... | 11/17/1992 |
| 5158630 | Total containment welding or plastic tubes Plastic tubes are welded by placing a pair of tubes in a pair of aligned holders with each tube folded toward itself. A wafer is movably mounted in the gap between the tubes and is heated to cause the ends of the tubes to melt without actually cutting thr... | 10/27/1992 |
| 5156701 | Total containment welding of plastic tubes Plastic tubes are welded together by placing each tube in a nest which includes a pair of grooves and an anvil centrally located between the grooves. Each tube is positioned in the grooves around the anvil for being juxtaposed the other tube. A wafer of m... | 10/20/1992 |
| 5155785 | Optical fiber interconnection apparatus and method A substantially parallel array of printed wiring boards (11A-E) each support a light source element (13A-E) and a light detector element (14A-E). Each light source element is connected to all of the light detector elements of the other printed wiring boar... | 10/13/1992 |
| 5142603 | Method of connecting high numerical aperture optical waveguides A method of splicing optical fibres is described in which at least one of the fibers has a high numerical aperture (NA) and the two fibres have different mode spot sizes. The method comprises fusing the ends of the fibres together with their cores in alig... | 08/25/1992 |
| 5141580 | Connection component for together plastic elements by thermal welding The invention relates to a connection component equipped with an electrical resistor for the welding of elements made of heat-fusing plastic. According to the invention, the resistor takes the form of a single wire coated with an electrically insulating l... | 08/25/1992 |
| 5141592 | Sterile entry/exit total containment process for closed systems using plastic tubes A process for sterile entry/exit into a closed system permits safe addition of reagent/nutrient/process modules, etc., removal of biological samples or depleted process modules such as filters, etc. all without exposing the operator to possibly dangerous ... | 08/25/1992 |
| 5137591 | Conductive polymeric heater A method and article for joining two substrates or repairing a substrate comprising positioning in thermal contact with and surrounding the substrate(s) a tubular article comprising conductive polymeric material. Two electrodes extending along the whole o... | 08/11/1992 |
| 5134470 | Optical fiber interconnections and method of forming same Optical interconnectors and methods for optically interconnecting structures, such as printed circuit boards. The optical interconnectors comprise at least two optical fibers having one end embedded in a structure such as a printed circuit board and at le... | 07/28/1992 |
| 5121459 | Fiber optic bundle and method of manufacture A precision glass jig is formed to properly position ribbons of optical fibers for the area end of a fiber optic bundle forming the entrance field of an optical subsystem for an electronic printer. The opposite ends of the ribbons are aligned side-by-side... | 06/09/1992 |
| 5120388 | Optical fibre termination method and apparatus Apparatus for use in terminating an optical fibre F in the bore of a tubular connector body C comprises a movable support 1 having first gripping means 5 for holding a tubular connector body in a fixed position on the support, second gripping means 7 for ... | 06/09/1992 |
| 5119451 | Optical waveguides as interconnects from integrated circuit to integrated circuit and packaging method using same Optical waveguides are used to bridge between integrated circuits on different die. The waveguide is suspended on polyamid or some other material. An optional waveguide is built which can have both active components or passive components and beam dumps. T... | 06/02/1992 |
| 5087308 | Method of connecting pipes of plastics material of a double pipe system A method of connecting pipes of plastics material of a double pipe system and a pipe connection made by the method. The inner pipes of the pipe system are connected to each other with a sleeve member by welding or gluing. Clamping jaws are used for holdin... | 02/11/1992 |
| 5080582 | System for curing epoxy in a fiber optic connector A system is disclosed for curing epoxy in a fiber optic connector. An oven has a receptacle for receiving the connector with an exposed length of an optical fiber projecting therefrom. A heat conductive sheath is positionable on the connector about the op... | 01/14/1992 |
| 5074683 | Fiber optic faceplates and method of mounting same Method and apparatus are disclosed for mounting a second optical component on a first optical component using a spacer layer for forming a controlled gap between the two components. In a preferred embodiment, a CCD sensor is formed having a non-active are... | 12/24/1991 |
| 5053097 | Method of joining tubes having a corrugated wall of plastic material A method of joining tubes (A and B) having a corrugated wall (10) of fusible plastic material and terminating at a cut through a corrugation rib, comprises the following steps. An annular body (14) expanding when energy is supplied to it, is positioned in... | 10/01/1991 |
| 5043037 | Method for making high strain aerial fiber optic cable A method for making an improved all-dielectric, self-supporting (ADSS) fiber optic aerial cable with improved mechanical coupling between the primary and secondary strength elements. The method includes calculating the required degree of mechanical coupli... | 08/27/1991 |
| 5039373 | Splicing apparatus for fiber tows including automatic cutting means An apparatus for splicing the tow ends of man-made fiber tows, including a pair of jet carriers having oppositely directed pairs of jets to which compressed air can be supplied, whereby the connection of tow ends introduced between the pair of jet carrier... | 08/13/1991 |
| 5037500 | Method and apparatus for joining tubular plastic parts by welding A heating arrangement (2) embracing tubular parts (1a, 1b) of plastic material which have to be joined by welding, comprises electrically heatable jaws (26). A bladder (50) expandable by compressed air is arranged inside the tubular parts (1a, b), which i... | 08/06/1991 |
| 5032214 | Linear beam splicer A linear beam splicer including a splicing unit mounted on a frame and positioned between a beam support rack and a tufting machine. The splicing unit includes a frame carrying a grip and gauging bar assembly for holding the yarns to be spliced, and a lon... | 07/16/1991 |
| 5026411 | Fabrication of optical couplers A method for fabricating a high efficiency optical coupler by matching the emerging light exit pupil from a coupler opening to the acceptance shape of a coupler optical fiber. An excimer laser forms the coupler opening in an optical fiber by removing clad... | 06/25/1991 |
| 5011260 | Buffered optical fiber having a strippable buffer layer A buffered optical fiber (20) includes an optical fiber (21) comprising a core and a cladding. Typically, the optical fiber is enclosed by at least one layer (23) of coating material. The optical fiber is enclosed by a plastic buffer layer (30). Interpose... | 04/30/1991 |
| 5009513 | Method of measuring quantity of heat applied to optical fiber In a method of measuring a quantity of heat, the distance between the position of an end of an exposed fiber portion before heating and the position of the end after heating is measured, and the quantity of heat applied to the end of the exposed fiber por... | 04/23/1991 |
| 5003676 | Yarn end splicing apparatus An apparatus for thermally splicing a plurality of associated pairs of yarn ends employed in tufting carpet is provided, having an electrically conductive wire extending across a width of a beam of yarn ends as a heating element, the wire being biased in ... | 04/02/1991 |
| 4998796 | Method of assembling multi-grooved silicon chip fiber optic terminations Described is a method for assembling multi-fiber array connectors. V-grooved silicon chips are placed in a holder which allows the chips to "float" with respect to each other and adjust to varying fiber diameters. Once the fibers are inserted, the chips a... | 03/12/1991 |
| 4992122 | Method of coupling single-mode optical fibers to form a coupler A coupler for at least two optical fibres in which at least one port is redundant, e.g. a 1×2 or a 1×3 coupler, is formed by first terminating the fibre end which is to form that redundant port, and then coupling the fibres e.g. by fusion.... | 02/12/1991 |
| 4990296 | Welding of filled sintered polytetrafluoroethylene A method for welding together filled sintered polytetrafluoroethylene components. The ends of the components to be welded are carefully tapered to form reverse mated surfaces and then assembled in position to be welded. The actual welding step is carried ... | 02/05/1991 |
| 4987018 | Joining polyolefinic members by fusion Members especially hollow members 10, 12 such as pipes and pipe fittings one member 12 of cross-linked polyethylene say and the other member 10 of medium density polyethylene say are joined by fusion using a butt fusion machine. End surfaces of the member... | 01/22/1991 |
| 4981541 | Method for joining polyolefin pipes by fusion Pipes, typically of medium density polyethylene for use in underground distribution systems for natural gas are joined by fusion using a very short period (25 seconds) for heating the pipe ends and a very short period (3 seconds) between separation of end... | 01/01/1991 |
| 4973127 | Multifiber optical connector and method of making same Two plugs each comprises a pair of plastic guide plates with inner sides in which are formed duplicate groove patterns each consisting of parallel V-sided spaced grooves running through the plugs and divided into a central set of smaller "fiber" grooves a... | 11/27/1990 |
| 4969705 | Memory polymer multiple cavity fiber splicer The present invention involves a multiple cavity optical fiber splice made of a unistructural mass of inherent shape memory polymer material. The unistructural mass has a longitudinal dimension with opposite ends which includes at least a first bore at on... | 11/13/1990 |
| 4969972 | Device for welding tubular components of thermoplastic material A device for welding tubular components of thermoplastic material. The device includes a heating device for generating the necessary melting temperature arranged at the circumference and at the abutting ends of the tubular components. The bag or casing is... | 11/13/1990 |
| 4964688 | Fiber optic connector element and method for its use An optical fiber connector element comprises a connector body having a passage extending therethrough, the passage having a forward portion for receiving an optical fiber and a rearward portion which is wider than the forward portion for receiving an opti... | 10/23/1990 |
| 4964689 | Connector for splicing optical fibers A connector splicing optical fibers wherein a glass sleeve, having a precision cut bore formed therein, is provided with funnel-shaped access openings at each end thereof for receiving the ends of the glass fibers to be spliced. In one embodiment, a perma... | 10/23/1990 |
