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| Number | Title | Issue Date |
| 7362940 | Optical-fiber coating apparatus A guide hole guides a primary-coated optical fiber to a tubular inlet hole. An inner diameter of the guide hole is larger than that of the tubular inlet hole. An inner diameter of the tubular inlet hole is in a range from 1.5 times to 2.0 times that of the primary-c... | 04/22/2008 |
| 7326298 | Wire insulating line In a wire insulating line, a cooling device that cools down a traveling high-temperature linear material, which is resin-coated by an extruder, in cooling water includes a reservoir tank that reserves the cooling water and allows the linear material to pass therein,... | 02/05/2008 |
| 7323055 | Extrusion head for extruding a high viscous melting covering element of a covered core wire There is provided an extrusion head that is capable of largely increasing a production speed rather than a conventional head that extrudes supplies a high viscous melt-coating composition. In an extrusion head 12 that comprises a die ring 12 having an ... | 01/29/2008 |
| 7118189 | Autopurge printing system A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and ... | 10/10/2006 |
| 7045010 | Applicator for high-speed gel buffering of flextube optical fiber bundles The present invention includes an apparatus for combining a water barrier fluid to a bundle of optical fibers including an entrance die having an orifice which is dimensioned to allow for a bundle of optical fibers to be drawn therethrough. Also, an exit die having ... | 05/16/2006 |
| 7043815 | Method for applying flowable materials Methods and apparatuses are disclosed for applying melt flowable materials to components of articles of manufacture. The methods and apparatuses disclosed herein are concerned with formation of appropriate flowable materials, control over the manner in which the flo... | 05/16/2006 |
| 7041334 | Optical fiber drawing die and drawing method therefor An optical fiber coating die is made such that an interfacial shear rate of the optical fiber to the resin coat is calculated in accordance with a pressure value of resin inside a coating cup, and the interfacial shear rate is in a range of −1.5×105 to 0 sec−1.... | 05/09/2006 |
| 6994752 | Method and apparatus for manufacturing decorative moldings The present invention consists of a method and apparatus to efficiently coat architectonic moldings made of diverse materials, providing a versatile, and continuous production, where polystyrene stands out from different types of coating materials. The apparatus con... | 02/07/2006 |
| 6991679 | Multiple feed applicator assembly for coating optical fibers An apparatus for applying a primary coating and a secondary coating to an optical fiber is disclosed. The apparatus includes at least one pressurized source of primary coating, a first primary reservoir for applying a first layer of the primary coating to the optica... | 01/31/2006 |
| 6932869 | UV-cure of coating for optical fiber assisted by ultrasound The present invention provides an improved method and apparatus for curing coatings on optical fibers, without creating additional heat and compromising the manufacturing speed of optical fibers. The present invention uses at least one ultrasonic transducer coupled ... | 08/23/2005 |
| 6911086 | Device for coating optical fibers The optical fiber coating device includes a die-support into which is integrated in one piece a grid, the die-support accommodating an entry die and an exit die with the entry die on one side of the grid and the exit die on the other side of the grid. The outside di... | 06/28/2005 |
| 6863729 | Nozzle insert for long fiber compounding A new die insert for an extrusion machine and a method of using the invention that includes a continuous strand of fiber reinforcing material to be statically drawn directly to the center of the molten flow of polymer base matrix is provided. The insert is placed in... | 03/08/2005 |
| 6827568 | Arrangement in connection with clamping tools An arrangement in connection with clamping tools, which comprises a nozzle structure which consists of coaxially arranged nozzle elements and is arranged to form one or more layers which cover a flexible elongated element on the surface of the flexible elongated ele... | 12/07/2004 |
| 6817851 | Method and apparatus for the manufacture of fiber-reinforced plastic compositions An apparatus for the manufacture of fiber-reinforced plastic compositions. The apparatus addresses the disadvantages of previous methods and apparatuses for the manufacture of fiber-reinforced plastic compositions using a plasticizing extruder. Some embodiments of t... | 11/16/2004 |
| 6814803 | Extruder having a unitary crosshead body A micro-extruder, comprising a funnel shaped tip piece defining a front aperture, through which wire is drawn, and a front rim, around which extrudate flows, and which has an outer diameter of less than 3.8 mm (150 mils). In addition, a structurally unitary cross-he... | 11/09/2004 |
| 6797065 | High speed yarn finish application Methods and devices are provided to actively apply finish to one or more yarns in motion at speeds greater than about 3000 m/min, to achieve a finish application of 0.2 wt. % or more, and with a coefficient of variation of finish concentration of 10% or less. The de... | 09/28/2004 |
| 6783593 | Rotary cable treatment method and apparatus A rotary cable treatment assembly for use on cables having a non-circular cross section formed from a stator that housing a rotor formed from two hydraulically sealing bearings. A cable having a non-circular cross section is passed through the assembly wherein a lub... | 08/31/2004 |
| 6776596 | Apparatus for the manufacture of fiber-reinforced plastic compositions The invention is addressed to the problem of providing a method whereby a mixing of bulk material containing fibers (fiber material) and plastic granules for the plasticate extrusion of long fiber reinforced thermoplastics (LFT) will be possible during the melting p... | 08/17/2004 |
| 6695915 | Method and apparatus for polymer application to intracorporeal device A method and apparatus for applying a polymer coating on an elongated substrate, preferably an elongate intracorporeal device in the form of a guidewire. An extrudable polymer cartridge is moved by a cartridge advancement mechanism into a guide chamber wh... | 02/24/2004 |
| 6676998 | Apparatus for continuous coating of wire The invention provides an apparatus and method which can be utilized to apply a thin layer of viscous coating material to an elongated continuously moving filament whereby the filament can be cabled, coated, and spooled in a continuous operation. The appa... | 01/13/2004 |
| 6660086 | Method and apparatus for extruding a coating upon a substrate surface A coating apparatus and method are disclosed that applies a coating to a product in a uniform and controlled manner. The coating apparatus comprises a feeding stage, an optional pre-treatment stage, at least one coating stage and a finishing stage. The co... | 12/09/2003 |
| 6649215 | Methods for making coated fiber strands having one or more heterogeneous regions A coated fiber strand including at least one heterogeneous region present in one or more coating layers. The heterogeneous region(s) preferably comprises a material useful for coding of the fiber. The optical fiber can include a primary coating layer and ... | 11/18/2003 |
| 6610146 | Easy threading wirecoating dies Dies which facilitate the threading of a strand are disclosed. Each die embodiment includes portions that move relative to each other to allow access to the area between the portions. One embodiment of a die embodying the principles of the invention inclu... | 08/26/2003 |
| 6576056 | Tip assembly for extrusion die assembly A tip assembly includes a tip having a nose portion. The tip defines a central bore. The nose portion includes a lip portion and defines a counterbore. The counterbore has a counterbore side wall and a seat surface. The counterbore is contiguous with the ... | 06/10/2003 |
| 6576058 | Optical fiber coating method and coating apparatus In an optical fiber coating method comprising the steps of; applying an injecting first coating resin to the outer periphery of the optical fiber while inserting the optical fiber through a first die hole provided in a first coating die; and applying an i... | 06/10/2003 |
| 6569247 | Arrangement in connection with fibre coating line The invention relates to an arrangement in connection with a fibre coating line which comprises a fibre payout device (1) from which fibres are arranged to be guided to a press (2) for forming a coating round the fibres, a cooling device (3) for cooling a... | 05/27/2003 |
| 6537377 | Apparatus for coating optical fibers A coating die that includes an insert having a high thermal conductivity, which is greater than 1 W/cm*K. Preferably, the insert is made of diamond having a thermal conductivity in the range of 5 to 20 W/cm*K. Use of this highly conductive insert helps to... | 03/25/2003 |
| 6514341 | Method and apparatus for removing optical fiber The present disclosure relates to an extruder head for applying a coating of material on a communications medium. The extruder head comprises an extruder head housing having an entrance end, an exit end, and an interior passage that extends from the entra... | 02/04/2003 |
| 6495196 | Process and apparatus for profile control of direct coaters A process and apparatus, including a separate coating head, for coating a strip article with a coating material. The process involves coating a strip article with a film of coating material by passing the strip article through a coating apparatus having a... | 12/17/2002 |
| 6444269 | Apparatus and method for coating sheet or strip articles A coating head, and coating apparatus and methods using the coating head, for applying a solvent free coating material to a strip article advancing longitudinally in a coating line. The head includes a die having a transverse slit through which the coatin... | 09/03/2002 |
| 6428622 | Apparatus for coating a fiber The fiber-coating apparatus comprises an injector having a tubular grid mounted between two dies between which the fiber travels on the axis of the grid, which grid filled with resin that penetrates therein via holes distributed through its wall. The wall... | 08/06/2002 |
| 6419745 | Method and apparatus for polymer application to intracorporeal device A method and apparatus for applying a polymer coating on an elongated substrate, preferably an elongate intracorporeal device in the form of a guidewire. An extrudable polymer cartridge is moved by a cartridge advancement mechanism into a guide chamber wh... | 07/16/2002 |
| 6387179 | Method and device for impregnating fiber bundles with resin Resin impregnation of fiber bundles for use in making a composite material is described. The impregnated fiber bundles are suitable for use as a prepreg tape or for inline use in extrusion, pultrusion and filament winding operations. The improvements of t... | 05/14/2002 |
| 6376012 | Control of coating thickness in sheet article coaters A process of producing an elongated coated strip article having a layer of coating material on each opposite surface of the strip article, in which the ratio of layer thicknesses on opposite sides of the strip article may be set or varied. The process com... | 04/23/2002 |
| 6355102 | Coating applicator for producing optical fiber ribbon with improved geometry A coating applicator for continuously applying matrix material to a plurality of optical fibers arranged in a ribbon configuration is described. The coating applicator has a first contacting means for contacting the plurality of optical fibers on a first ... | 03/12/2002 |
| 6344086 | Extrusion coating apparatus The present invention relates to an extrusion coating apparatus having a structure which is capable of correctly forming and applying a coating layer with a desirable cross-sectional form even when thermal distortion occurs in its extrusion unit. This ext... | 02/05/2002 |
| 6322630 | Retractable coating dispenser and method An apparatus and method for applying a coating to an elongated substrate such as a wire or cable. The coating apparatus has an opposed pair of mouthpieces each connected respectively to a pair of dispensers which are in fluid communication with a source o... | 11/27/2001 |
| 6258164 | Cleaning system A cleaning system for cleaning a coating agent feed system and nozzles used for coating a fiber. The coating agent feed system comprises a feed channel for feeding coating agent from a coating agent tank into a coating agent chamber situated in a nozzle u... | 07/10/2001 |
| 6189343 | Apparatus and method for forming an optical fiber An apparatus for forming a optical fiber which includes a furnace for softening an optical fiber blank; a tractor for drawing the optical fiber from the softened optical fiber blank; and a first applicator for applying a coating of a first coating materia... | 02/20/2001 |
| 6159772 | Packaging electrical circuits A method for soldering a first component having a metal surface to a second component having a metal surface includes holding the metal surface of the first component in a position above a placement area on the metal surface of the second component to est... | 12/12/2000 |
