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| Number | Title | Issue Date |
| 7060209 | Extrusion method and apparatus for producing a cable An extrusion method and apparatus for producing a cable including at least one core having at least one transmissive element and at least one pair of coating layers arranged at a radially outer position with respect to the core. At least one coating layer of polymer... | 06/13/2006 |
| 6841109 | Support for imaging material A support for an imaging material, which not only can give an imaging material and a print thereon having a high gloss appearance and being free of non-uniformity in gloss but also is improved in the property of peeling from a cooling roll and which has high stiffne... | 01/11/2005 |
| 6743274 | Filter and production method thereof A seal member is attached to a peripheral edge portion of a filter body by being fused to semi-melted fibers that form the filter body when the semi-melted fibers are layered over a forming surface. Therefore, the formation of the filter body and the attachment of t... | 06/01/2004 |
| 6591472 | Multiple segment catheter and method of fabrication Methods of fabricating medical vascular catheters adapted to be inserted into a blood vessel from an incision through the skin of a patient for introducing other devices or fluids for diagnostic or therapeutic purposes and particularly methods for fabrica... | 07/15/2003 |
| 5888436 | Manufacture of variable stiffness microtubing A method for manufacturing novel composite microtubing with variable stiffness over the length of the tubing and a continuous manufacturing process.... | 03/30/1999 |
| 5830304 | Method for producing a tension-resistance core element for a cable An apparatus and process for obtaining the desired outside diameter for a tension-resistant core element, which includes assembling mixed filaments containing glass fibers and thermoplastic fibers, heating the bundle of mixed filaments to melt the thermop... | 11/03/1998 |
| 5764521 | Method and apparatus for solid prototyping An improved extrusion-based manufacturing system includes one or more extruders, with each extruder containing at least two stages of increasing pressurization. In a preferred embodiment, a first stage of pressurization is created by the motion of a solid... | 06/09/1998 |
| 5575965 | Process for extrusion A process for the co-extrusion of an inner layer around a conductive medium and an outer layer around the inner layer including: (i) introducing into an extruder adapted for profile coextrusion, a preformed conductive medium; an inner layer formulation includi... | 11/19/1996 |
| 4997995 | Extra-high-voltage power cable An extra-high-voltage power cable is provided with extruded insulation 3 over a conductor 1 thereof. The insulation comprises an inner layer 5 of an unfilled high density polyethylene or polypropylene material having a higher electric strength than the ma... | 03/05/1991 |
| 4976599 | Apparatus for extruding a sheath of synthetic material around a conductor and for changing the color of same An apparatus is provided for directing at least two flows of synthetic material from an extruder to an extruder cross-head for coating a conductor wire with two layers of insulating material and to readily reverse the colors of the layers. The apparatus i... | 12/11/1990 |
| 4973029 | Conductive wires for fencing systems An electrically conductive wire particularly for use in fencing systems in enclosed which includes an inner metal conductor, an electrically conductive intermediate layer of plastic material applied over the conductor, and a relatively thin outer sheath a... | 11/27/1990 |
| 4934100 | Wire insulated plastic edge guard An edge guard and method of manufacture are disclosed wherein plastic is extruded onto wires which may be individual wires taken from reels or a wire mesh screen.... | 06/19/1990 |
| 4929294 | Method of creating profiling projections on plastic-covered steel parts A method of covering steel parts onto the outer surface of which there is applied a plastic coating which is surrounded by an embedding material. In order to obtain in a simple manner increased adherence between plastic coating and embedding material a gr... | 05/29/1990 |
| 4921764 | Polyester film coated with metal adhesion promoting coating and having superior winding performance An aqueous coating composition is provided for thermoplastic films comprising (i) from 1 to 10 weight percent based upon the total weight of the coating composition, of a sulfonated copolyester consisting essentially of the polyester condensation product ... | 05/01/1990 |
| 4863541 | Apparatus and method for manufacturing heat-shrinkable sleeve using solid core Long lengths of a heat-shrinkable sleeve for use in splicing electrical cables and the like are manufactured by providing an elongated impermeable core having a smooth outer surface, extruding an elongated sleeve around and in contact with the core, the s... | 09/05/1989 |
| 4789589 | Insulated electrical conductor wire and method for making same A conductor wire with an inner layer of insulation of cellular polyolefin compound and an outer layer of polyvinylchloride. The polyvinylchloride includes a material compatible with the polyolefin and which bonds to the polyolefin to bond the layers toget... | 12/06/1988 |
| 4749434 | Hot melt magnetic sealant, method of making and method of using same A hot melt magnetic sealant that exhibits improved adhesion to oil covered galvanized ferrometallic substrates and to epoxy electrodeposition coated ferrometallic substrates is disclosed. The sealant comprises magnetic filler particles, a hydrocarbon resi... | 06/07/1988 |
| 4743413 | Method of manufacturing thermostable pieces made from composite materials and the pieces thus obtained A roving laid flat of unitary metal, mineral or synthetic filaments is treated with a powder, whose grain size is equal to the diameter of the filaments, of a plastic material chosen either from the group of thermosetting polyers including the epoxides, t... | 05/10/1988 |
| 4732722 | Process for producing a crosslinked polyolefin insulated power cable A crosslinked polyolefin insulated power cable with remarkably improved AC breakdown voltage and impulse withstand voltage has been obtained by a process which comprises extrustion-coating, on the outer surface of a conductor, (1) a material for the forma... | 03/22/1988 |
| 4585407 | Guide for electric cable insulation extrusion head Apparatus for extruding a first layer of a semi-conductive plastic material around the conductor of an electric power cable and for extruding a second layer of plastic insulating material around the first layer as the conductor is advanced in which the ex... | 04/29/1986 |
| 4540533 | Method of encapsulating electronic components by extrusion of plastic material Encapsulation of electronic components. Method of encapsulating bare electronic components (11) present in the form of a continuous strip (12) and intended to be provided with envelopes (13, 14) of a defined form made of at least one plastic material (15), ... | 09/10/1985 |
| 4521173 | Apparatus for manufacturing magnet wire A novel apparatus for manufacturing magnet wire in a continuous process by which coatings of a flowable resin material may be applied concentrically to a moving elongated filament in thickness of about 16 mils or less. The filament can be a bare copper or... | 06/04/1985 |
| 4519863 | Method and device for jacketing a steel pipe with several plastic materials A method for making a polyethylene jacket on steel pipes including applying an inner foil upon the preheated steel pipe for purposes of providing adhesion thereto and of an outer, jacketing foil, also to be applied through a duel extrusion head which is t... | 05/28/1985 |
| 4510007 | Method of jacketing steel pipes The disclosed method is particularly applicable for jacketing pipes of a diameter of between 50 mm and 500 mm and is provided for high jacketing speeds and high throughputs. The pipe is heated initially to a temperature at least sufficient to cause a subs... | 04/09/1985 |
| 4472598 | Braidless perforated cable An electrical cable has features that allow its use in wells containing oil, water and gas, for use with submersible pumps. The cable has a number of conductors. Each conductor is surrounded by an insulating layer of oil and brine resistant thermosetting ... | 09/18/1984 |
| 4471215 | Self-regulating heating cable having radiation grafted jacket Disclosed is a method of radiation grafting a shape retaining jacket (32) made from an elastomeric polyurethane to an olefinic semi-conductive composition electrically interconnecting at least two elongate spaced-apart conductors (28) to provide an improv... | 09/11/1984 |
| 4457975 | Tree resistant power cable An improved method and apparatus for fabricating insulated cables, particularly polymeric insulated electrical power cables, resistant to the formation and growth of electrochemical trees is disclosed. Internal pressure on the conductor side of the cable ... | 07/03/1984 |
| 4444708 | Flexible production of heating elements A flexible heating element comprises at least two flexible electrical conductors spaced apart by a PTC material, an amorphous highly conductive rubber compatible with the PTC material and adhered to each conductor being interposed between the PTC material... | 04/24/1984 |
| 4426339 | Method of making electrical devices comprising conductive polymer compositions In order to increase the stability of a device comprising at least one electrode and a conductive polymer composition in contact therewith, the contact resistance between the electrode and the composition should be reduced. This can be achieved by contact... | 01/17/1984 |
| 4400580 | Process for producing crosslinked polyethylene insulated cable A process for producing a crosslinked polyethylene insulated cable having an outer semiconductive layer which comprises providing an internal semiconductive layer, and an electrically insulating layer on an electrical conductor in conventional manner, coa... | 08/23/1983 |
| 4354992 | Electrochemical tree resistant power cable An improved method and apparatus for fabricating insulated cables, particularly polymeric insulated electrical power cables, resistant to the formation and growth of electrochemical trees is disclosed. Internal pressure on the conductor side of the cable ... | 10/19/1982 |
| 4330493 | Process for preparing a high voltage ignition cable having low electrostatic capacity A process for preparing a high voltage-ignition cable having a low electrostatic capacity comprising a resistive-conductor core, an insulator layer and a jacket layer, which comprises preparing a resistive-conductor core comprising a fiber bundle and a se... | 05/18/1982 |
| 4297310 | Process for producing electric conductors coated with crosslinked polyethylene resin A conductor wire is extrusion coated with a polyethylene resin containing a copolymer comprising predominantly ethylene and an unsaturated silane compound having the formula R Si R'n Y3-n, wherein: R is an ethylenically unsaturated h... | 10/27/1981 |
| 4261936 | Jacketed optical filamentary material with thermoplastic core An optical filamentary material with a thermoplastic optically transparent core and a lower index of refraction sheath is spaced from a protective jacket by a heat shield which thermally protects the optical filamentary material during extrusion and appli... | 04/14/1981 |
| 4260566 | Strand shield defect detector A method and apparatus for detecting imperfections in a semi-conductive strand shield applied to an electrical conductor. The method comprises the steps of applying AC current between a bare portion of the conductor and apparatus applying a jacket of insu... | 04/07/1981 |
| 4259281 | Process for reducing micro-voids in the extruded insulation of electric cables A process for reducing micro-voids in cross-linked cable insulation without reducing the voltage breakdown strength thereof in which process the insulation, after cross-linking, is heated at a temperature in the range from about 120° C. to about 150° C.... | 03/31/1981 |
| 4247504 | Method of manufacturing plastic covered highvoltage cables A method of manufacturing a plastic covered highvoltage cable by passing an electrical conductor through two successive separate extrusion heads. In the first extrusion head a conductor shield layer is extruded around said conductor as well as a thin auxi... | 01/27/1981 |
| 4237186 | Thermoplastic resin-coated metallic substrate and the method of producing the same A metallic substrate and a thermoplastic resinous coating are bonded to one another by a resinous hot melt adhesive. The method of applying the coating to effect the bond includes applying to the metallic substrate a resinous hot melt polyamide adhesive c... | 12/02/1980 |
| 4219522 | Method of manufacturing reinforced plastic hoses A method of manufacturing reinforced plastic hoses comprising extruding and shaping plastic material into a plastic tube which is provided around its outer surface with a serrated portion, heating said plastic tube so as to soften said serrated portion, a... | 08/26/1980 |
| 4205034 | Method for making a reinforced tubular article A flexible preferably tubular article is described having an outer abrasion-resistant protective sleeve which is cured-in-place on a flexible core or tube to form a unitary flexible composite.... | 05/27/1980 |
