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8157554 |
Rotary spinning electrode
The invention relates to the rotary spinning electrode of an elongated shape into the device for production of nanofibres through electrostatic spinning of polymer solutions comprising a pair of...
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8052407 |
Electrospinning in a controlled gaseous environment
Apparatus and method for producing fibrous materials in which the apparatus includes an electrospinning element configured to electrospin a substance from which the fibers are to be composed by an...
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8021135 |
Mold apparatus for forming polymer and method
Various mold apparatuses and methods for forming a polymer with induction heat energy are provided. In one embodiment of the present invention, a mold apparatus for forming polymer includes a mold...
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7988439 |
Nozzle block for electrospinning
Disclosed is a nozzle block for electrospinning which is able to simultaneously electrically spin two or more different types of polymer spinning dopes, wherein a single-layer distribution plate...
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7985060 |
Method and apparatus for electric treatment of substrates
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants...
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7980838 |
Electric spinning apparatus for mass-production of nano-fiber
The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle...
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7981350 |
Method and apparatus for injection molding having an inductive coil heater
An injection-moulding device is disclosed, comprising at least first and second mould parts, defining a mould cavity, wherein at least one of the mould parts comprises heating means, for heating...
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7967588 |
Fine fiber electro-spinning equipment, filter media systems and methods
Electrostatic fine fiber generation equipment such as for forming nano-fibers from polymer solution is provided. The fine fiber generation equipment includes a strand that may take the form of a...
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7959848 |
Method and device for producing electrospun fibers
The present invention relates to methods for producing fibers made from one or more polymers or polymer composites, and to structures that can be produced from such fibers. In one embodiment, the...
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7935298 |
Method of producing fibers by electrospinning at high pressures
A process of making fibers by electrostatic spinning includes the use of a mixing vessel (10), a piston (15) for pressurizing the polymer, carbon dioxide sources (20) for lowering the viscosity of...
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7934917 |
Apparatus for electro-blowing or blowing-assisted electro-spinning technology
A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and...
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7931456 |
Electroblowing web formation
An improved electroblowing process is provided for forming a fibrous web of nanofibers wherein polymer stream is issued from a spinning nozzle in a spinneret with the aid of a forwarding gas...
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7887311 |
Apparatus and method for electro-blowing or blowing-assisted electro-spinning technology
A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and...
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7828539 |
Fabrication of three dimensional aligned nanofiber array
Disclosed are methods of forming three dimensional arrays of aligned nanofibers in an open, loose structure of any desired depth. The arrays are formed according to an electrospinning process...
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7815427 |
Apparatus and method for reducing solvent loss for electro-spinning of fine fibers
A method and apparatus for generation of fine fibers via electro-spinning from a polymer solution is provided. The spray or spinning electrode is dipped in a polymer solution to maintain a polymer...
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7762801 |
Electrospray/electrospinning apparatus and method
Apparatus and method for producing fibrous materials in which the apparatus includes an enclosure having an inlet configured to receive a substance from which the fibrous materials are to be...
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7758327 |
Method and apparatus for electric treatment of substrates
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants...
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7740461 |
Apparatus and method for manufacturing polymeric fibrils
An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the...
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7736553 |
Method and device for producing nanoparticles
The invention relates to processes for producing nanoparticles, especially pigment particles, comprising the following steps: i) bringing a base substance (1) into the gas phase, ii) generating...
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7628597 |
Labeled containers, methods and devices for making same
A device and method for producing labeled expanded resin containers; the method including applying a label sheet, formed from a label material capable of maintaining an electrostatic charge, to an...
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7618579 |
Manufacturing device and the method of preparing for the nanofibers via electro-blown spinning process
The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer...
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7600990 |
Electrostatic spinning apparatus
An electrostatic spinning apparatus includes a feeding device, at least one linear electrode, at least one collecting electrode, and a high-voltage power supply. The feeding device includes a tank...
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7504060 |
Method and apparatus for the production of nonwoven web materials
The present invention provides a method of making a nonwoven web with desired fiber orientation, the method including the steps of providing a source of fibers, subjecting the fibers to an...
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7438548 |
Apparatus for rapidly heating and cooling a mold
A mold for forming, molding or welding thermoplastic tubing extends through the aperture of an apertured spool supporting an RF energized coil to inductively heat a center section of the mold. A...
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7374797 |
Continuous combined pigmented wax compounding and bichromal sphere fabrication process
A system and method for the continuous fabrication of bichromal spheres by introducing continuous streams of differently colored, pigmented polymer melts to substantially opposite sides of a...
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7351052 |
Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus
The apparatus for producing a nanofiber includes a supply unit (110) for supplying melted polymer for fiber material, a spinning unit (122) having several radiation nozzles (122) to which first...
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7326043 |
Apparatus and method for elevated temperature electrospinning
Elevated temperature electrospinning apparatus comprises a pump upstream of or containing a resistance heater, means to shield applied electrostatic field from the resistance heater, and a...
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7276271 |
Polymer fiber tubular structure having kinking resistance
An apparatus for forming a tubular structure from a liquefied polymer, the apparatus comprising: (a) a dispenser for dispensing the liquefied polymer; (b) a precipitation electrode being at a first...
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7244116 |
Apparatus for improving mechanical characteristics of nonwoven materials
An apparatus for forming a nonwoven material from a liquefied polymer, the apparatus comprising: (a) a precipitation electrode; (b) a dispenser spaced apart from the precipitation electrode, and...
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7134857 |
Electrospinning of fibers using a rotatable spray head
Apparatus and method for electrospinning fibers in which the apparatus includes a spray head having a longitudinal axis and including at least one electrospinning element disposed in a peripheral...
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7008205 |
Installation for producing a spunbonded fabric web whereof the diffuser is distant from the drawing slot device
The invention concerns an installation for producing a spunbonded fabric web comprising a diffuser defining for the filaments a passage with diverging cross-section, and mounted a certain distance...
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6991702 |
Electronic spinning apparatus
An electrospinning apparatus including a spinning dope main tank, a metering pump, a nozzle block, a collector positioned at the lower end of the nozzle block for collecting spun fibers, a voltage...
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6984352 |
Dielectric mold for uniform heating and molding of polymers and composites in microwave ovens
A mold for uniformly heating working material to form a workpiece using a microwave oven. Uniform heating of a workpiece of variable thickness may be obtainied in a microwave oven with a uniform...
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6974316 |
Installation for producing a nonwoven web with very uniform weight
The invention concerns an installation for producing a nonwoven web wherein the distance between the lower edge of the slit drawing device and the upper edge of the diffuser is maintained constant...
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6966762 |
Device for opening and distributing a bundle of filaments when producing a nonwoven textile web
The invention concerns a device for opening and distributing a bundle of filaments when producing a nonwoven textile web by a technique which consists in: extruding melted organic polymer through a...
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6942901 |
Fabrication of particulate tapes by electrophoretic deposition
A single or multi-component particulate tape and a method and apparatus for making the single or multi-component particulate tape. More particularly, the present invention relates to a single or...
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6890475 |
Method and apparatus for manufacturing a thin-walled article
The invention relates to a method for manufacturing a thin-walled article, wherein a single- or multi-component, essentially polymer-based material (1), such as plastics, elastomers, and/or the...
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6783722 |
Apparatus and method for producing a nonwoven web of filaments
Spunbond nonwoven fabrics are produced with an apparatus which comprises a spinnerette having a plurality of orifices for extruding filaments; an attenuator for receiving and attenuating the...
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6737619 |
Microwave polymerization system for dentistry
A microwave polymerization system for dentistry utilizes specifically controlled microwave energy to cure polymer materials so as to produce dental prosthetics, such as dentures, bridges and...
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6713011 |
Apparatus and methods for electrospinning polymeric fibers and membranes
An apparatus and method for electrospinning polymer fibers and membranes. The method includes electrospinning a polymer fiber from a conducting fluid in the presence of a first electric field...
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6709623 |
Process of and apparatus for making a nonwoven web
Improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial products. The fiber and/or...
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6659754 |
Injection molding device
In an injection molding device used to inject a thermoset casting resin into a mold wherein the device includes a source of resin, a mold for receiving and curing the resin, a delivery vessel for...
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6649116 |
Process and apparatus for forming a thin-walled elastomeric article
A process for making thin-walled elastomeric articles. The process includes the steps of electrostatically spraying charged particles of an elastomeric composition into a chamber containing a rigid...
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6638048 |
Apparatus for momentarily heating the surface of a mold
Disclosed herein is a system for momentarily heating the surface of a mold and system thereof. The system comprises a casting material feeder, upper and lower molds, an injection molding control,...
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6616435 |
Apparatus of polymer web by electrospinning process
The present invention relates to an apparatus of polymer web by electrospinning process and manufacturing method thereof, which can manufacture porous polymer web using an electrospinning method....
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6499984 |
Continuous production of pharmaceutical granulation
A single pass, continuous, automated system for producing a pharmaceutical granulation includes multiple feeders to feed powders and liquids, a twin screw processor to granulate, a radio frequency...
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6498327 |
Method for inductive heating and monitoring
A method for transverse flux induction heating using a heating machine including an iron core, that essentially has a U-shape with an opening facing downwards. The legs lie in contact with...
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6479007 |
Apparatus and method for controlling pore size in polymeric membranes and thin films
An apparatus and method for controlling the pore structure of thin polymeric sheets, such as porous membranes and thin films, during solvent casting or interfacial polymerization. The invention may...
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6416706 |
Molding apparatus and method using a robot to introduce and insert into a mold
Apparatus for molding articles from moldable material in a mold includes end of arm tooling for an articulated robot arm associated with the mold, where the end of arm tooling includes an insert...
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6386260 |
Apparatus for providing a web of thermoplastic filaments
An apparatus for providing a uniform web of filaments comprises tube filament transport means exiting through a confined zone of reduced turbulence, which preferably comprises a delivery slot. The...
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