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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...
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6776933 |
Method of manufacturing a security item
A method of manufacturing a security item comprises coextruding at least two polymer plastic materials ( 6,7 ) with different characteristics so as to form a substrate so that neither material are...
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6676865 |
Extrusion molding provided with insert and method of producing the same
Extrusion molding is performed while the extrusion molding is regulated from the skin layer side so that the foaming capacity of a portion opposite to a surface of a reinforcement portion of an...
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6540863 |
Forming fastener components of multiple streams of resin
A fastening component of a separable fastener is molded out of two separate flows of resin joined under pressure in a nip as the fastening elements are molded in cavities of a cavity roller. The...
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6505955 |
Method for production of conducting element and conducting element
Method for production of conducting element, which conducting element consists at least of an elongated electricity conductive, in which several electric components ( 2 ), bringing out the lighting...
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5976449 |
Method and apparatus for the cross-sectional measurement of electric insulated conductors
A method and an apparatus for measuring an electric insulated conductor, in particular a medium-voltage and/or high-voltage insulated conductor, are proposed. Seen in profile cross-section, the...
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5776343 |
Fluoroplastic apertured film fabric, structures employing same and method of making same
An apertured film extruded from a crystalline, thermoplastic, extrudable fluoroplastic material. The film includes spaced-apart strand segments defining apertures therebetween and has at least 10...
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5736086 |
Process for forming layered structure of metal sheet and polyester
Disclosed is a process for forming a layered structure of metal sheet and polyester by heating the metal sheet, extrusion coating a thin layer of polyester on at least one side of the metal sheet,...
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5716574 |
Process for the production of power cable
A process for the co-extrusion of an outer layer, a middle layer, and an inner layer, each layer including a thermoplastic resin, around a conductive medium in three extruders, one extruder for...
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5716573 |
Method for surface treatment of weather strip
The invention relates to a method for surface treatment of a weather strip, by which a surface appearance almost identical to an embossing process is obtained in a simplified way without requiring...
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5672303 |
Process and extruding head for the manufacture and/or coating of extruding profiles
For the extrusion of extruded profiles with a color pattern or their coating with such a color pattern, a plasticized material of at least two-colors is used, which is separated into at least two...
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5662851 |
Method of producing a molding
A molding method which provides a relatively simple structure, while also providing a pleasing appearance which is adaptable to a variety of ornamental and artistic applications. The molding is...
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5628948 |
Automobile windshield molding method
An automobile windshield molding is installed together with a metallic core material against a windshield installed in a window opening section of an automobile body panel. The windshield molding...
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5599492 |
Method for making a guidewire with a flexible distal tip
A method for producing catheter guidewire composed of a wire core whose distal end section is encased in a polymer sleeve, to increase the column strength of the core. Axially spaced grooves formed...
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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...
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5573720 |
Extrusion of thermally cross-linkable materials
A technique for extrusion of plastic including a first step of extruding which includes extruding at least one layer of a thermally cross-linkable material in an extrusion apparatus (20) having at...
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5360497 |
Method of forming an optical waveguide with a reinforced protective covering
A method for covering at least one optical fiber with a protective layer comprises extruding the protective layer and embedding reinforcing elements in the protective layer to form a composite...
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5312578 |
Method of making an insulating body of high dielectric strength
The invention concerns an electrically insulating body including at least two polymer materials and a method of making such a body. It is characterized in that its internal structure (61) is mainly...
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5171499 |
Method of forming strip products from thermoplastic materials
A method of forming an elongated trim strip product by first extruding a first strip of thermoplastic material from a die having an outlet with an area at least substantially as great as the...
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5112549 |
Extrusion method and apparatus for producing a molding strip
Extrusion method and apparatus for producing a molding strip which includes a decorative Mylar plastic strip located between a pair of interbonded plastic layers is disclosed. The top plastic layer...
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5108683 |
Apparatus and method for extruding single and multiple layers of plastic
A method and apparatus for extruding single or multiple layers of plastic on an electrical conductor without having to adjust the concentricity of layers every time the tooling is changed to make...
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5094792 |
Adjustable extrusion coating die
An adjustable extrusion coating die having an inner block member, an outer block member, a mandrel mounted on said inner block member spaced from said outer block member at a predetermined...
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4998870 |
Means for core coating
Apparatus for the extrusion-coating of a core, especially of an electrical conductor, with a sheathing having at least two layers or strips of different materials or differently colored materials,...
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4911778 |
Apparatus for forming plastics coated tube
Apparatus for forming a plastics coated metal tube comprising means for forming a continuous strip of metal into a U-shape and a forming sleeve for folding the strip into an overlapping tube. A...
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4838777 |
Extrusion equipment for coating wire
A die-base ring (11) has at its upstream end a tubular ring (12) provided with a collar (12a) and co-operating with means for fixing the ring to a support (1). The fixing device includes four...
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4801766 |
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 extrusion-coating, on the...
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4761129 |
Device for changing color during the extrusion of a sheath around a conductor
Apparatus for extruding a sheath of synthetic material around a conductor, comprising an extruder head with two inlet conduits respectively connected to two orifices traversed by the conductor, and...
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4571316 |
Methods of forming multilayer coated film
A method of forming a multilayer coated film comprising applying two or more nonaqueous layers to a continuously traveling flexible web, wherein at least one of the two or more coated layers...
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4512944 |
Methods of and apparatus for insulating a conductor with a plastic material
Extruder tooling for directing plastic materials to enclose a conductor (26) being advanced along a path of travel through a core tube (97) and aligned dies includes disc-like flow passages (107,...
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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...
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4483808 |
Methods of making a compositely insulated conductor having a layer of irradiation cross-linked polymeric material
An elongated metallic conductor is insulated with an inner layer of a plasticized polyvinyl chloride composition and an outer layer of a plasticized, irradiation cross-linked polyvinyl chloride...
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4451306 |
Manufacture of coextruded oriented products
A wire or other core is enclosed by two concentric extruded layers, at least one of which is of crystallizable polymeric material, by extruding the layers in succession around but spaced from the...
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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...
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4397797 |
Method for extrusion coating of a pipe with a foamed cover layer having three integrally formed cellular sub-layers
A method for manufacturing a heat insulating pipe having a foamed insulating layer around the outer surface of said pipe. The foamed insulating layer has an expansion ratio of at least 4. It has...
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4381273 |
Method of co-extruding a reinforced composite foamed resin channel-shaped sealing strip having an abraded surface portion
The sealing strip includes a channel-shaped attachment profile of rubber, in which a metallic reinforcing strip is embedded; this profile has an external coating layer of sponge rubber with an...
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4360492 |
Method of and apparatus for lubricating cable during continuous dry curing
Disclosed is a method and apparatus for continuously lubricating cable during continuous dry curing of cable insulation to reduce friction between the cable insulation and the dry curing apparatus,...
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4252755 |
Co-extrusion method and apparatus
An extruder for simultaneously extruding two plastics materials without intermixing thereof prior to exiting the extruder. The extruder barrel has two feed hoppers at one end and an outlet at the...
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4226823 |
Method of applying a strippable outer semiconductive layer on an insulated cable conductor
In cables where the conductor is provided with an insulation of thermoplastic or cross-linked polyethylene, the insulation may be covered with a strippable outer semiconductive layer consisting of...
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4091064 |
Process for producing electric cable insulated with cured polyolefin
Electric cables insulated with a cured polyolefin and having high electrical breakdown strength are produced, in each instance, by applying, an insulating layer of polyolefin containing a curing...
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4032381 |
Extruded solid dielectric high voltage cables with multi-layer insulation
Electrical cables that carry higher voltage require insulation of greater thickness. This invention extrudes the insulation over a cable core and extrudes it in superimposed layers which fuse to...
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3971884 |
Ethylene-vinyl acetate silicone rubber adherent laminates and method of production
Crosslinkable ethylene-vinyl acetate copolymer resins are rendered amenable to forming adherent laminates with crosslinkable silicone rubber by coating the surface of the ethylene-vinyl acetate...
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3971883 |
Silicone rubber-ethylene vinyl acetate adhesive laminates and preparation thereof
Crosslinkable ethylene-vinyl acetate copolymer resins are rendered amenable to forming adherent laminates with cross-linkable silicone rubber by dusting the surface of either the resin or rubber,...
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3928525 |
Method for forming and vulcanizing vulcanizable materials
An improvement is provided in the forming and vulcanizing of organic peroxide vulcanizable polymers in a long-land die by the use of a special class of forming coagents characterized by A. a...
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3903233 |
Method of and apparatus for extruding concentric plastic sheaths
First and second concentric insulating sheaths of plastic materials are formed continuously around a filamentary core advancing longitudinally through an extrusion chamber. The core is passed...
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3769085 |
INSULATED CABLE HAVING AN INSULATING SHIELDING LAYER
An insulated cable having a cross-linked insulating layer and a cross-linked semiconductive insulation shielding layer, said layers having been formed by extrusion-coating simultaneously a...
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3692447 |
MULTIPLE EXTRUSION APPARATUS
An extruding apparatus wherein a die-head containing dies for forming two or more layers of thermoplastic material, such as on a core passing through the head, is supplied with material by as many...
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3502752 |
CONTROL OF THE DIMENSIONS OF MULTIPLE LAYERS OF EXTRUDED INSULATION
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3487149 |
METHOD FOR EXTRUDING CABLE COVERING WITH A FIBROUS INTERLAYER
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3446883 |
METHOD AND APPARATUS FOR PRODUCING CONDUCTORS SURROUNDED BY THREE OR MORE EXTRUDED LAYERS
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3404432 |
Apparatus for making electric cables with extruded insulation
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