| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 4251748R0 | Electro-static or inductive field | 26 |
| 20100034914 | 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 end faces, between them there are positioned spinning members formed by wire, which are distributed equally along the circumference and parallel with axis of rotation of the rotary spinning electrode, while the end faces are made of electrically non-conducting material and all the spinning members are mutually connected in a electrically conductive manner. | 02-11-2010 |
| 20110262575 | COMPOSITE FABRICATION APPARTUS AND METHOD - A composite fabrication apparatus which may include a first tooling die and a second tooling die movable with respect to each other; a thermal control system having induction coils disposed in thermal contact with the first tooling die and the second tooling die; a first die susceptor provided on the first tooling die and a second die susceptor provided on the second tooling die and connected to the induction coils; and a cooling system disposed in thermal contact with the first tooling die and the second tooling die. A composite fabrication method is also disclosed. | 10-27-2011 |
| 20110287122 | APPARATUS AND METHOD FOR FABRICATING 3D SCAFFOLD - An apparatus for fabricating a 3D scaffold includes: a plotter generating a microfiber structure; an electrospinning unit installed to be adjacent to the plotter along a first direction and spinning nanofiber in an internal space or on a surface of the microfiber structure to form a nanofiber web; a collection table reciprocating a lower portion of the plotter and that of the electrospinning unit along the first direction to allow the microfiber structure to be stacked thereon by the plotter and allow the nanofiber web to be formed thereon by the electrospinning unit; and a first guide rail allowing the collection table to be mounted thereon and guiding the collection table mounted thereon to reciprocate along the first direction. | 11-24-2011 |
| 20110300251 | DEVICE FOR THE EXECUTION OF THE OUTPUT OF NANOSCALED POLYMER FIBERS - Carriers for the production and targeted and/or delayed release, particularly of agricultural active substances, as well as a method for the output and a device for the production of such carriers in a loaded or unloaded state are proposed. The method and the device use the technology of electrospinning. | 12-08-2011 |
| 20130251838 | FIELD EMISSION DEVICE AND NANOFIBER MANUFACTURING DEVICE - Disclosed herein is a field emission device which makes mass-production of nanofibers having satisfactory performance possible. The field emission device ( | 09-26-2013 |
| 20150140153 | Inductively Heated Extruder Heater - One embodiment of a heated nozzle for extruding meltable material consists of an electrically conductive nozzle, comprised of an inlet, an outlet, and a passage connecting inlet and outlet. The nozzle fits into a hole or gap cut or formed through a loop of high permeability soft magnetic material such as ferrite or pressed iron powder. Electrically conductive wire is coiled around and through this magnetic loop to form a coil. A high-frequency alternating current is supplied to the coil, inducing a magnetic field in the magnetic core. The magnetic field, when passing through the electrically conductive nozzle, induces eddy currents that heat the nozzle to melt the material entering the inlet. Another embodiment consists of an electrically conductive nozzle, comprising inlets, outlets, and passages connecting inlets and outlets, fitted into a hole penetrating two faces of a hollow, high-permeability, soft magnetic core with a coil of electrically conductive wire wound in a coil around the nozzle, inside the hollow magnetic core. A high frequency alternating current passing through this coil induces eddy currents in the nozzle to heat materials entering the inlet or inlets and passing out the outlet or outlets. | 05-21-2015 |
| 4251748E0 | Electro-static | 20 |
| 20090123591 | APPARATUS FOR ELECTRO-BLOWING OR BLOWING-ASSISTED ELECTRO-SPINNING TECHNOLOGY AND PROCESS FOR POST TREATMENT OF ELECTROSPUN OR ELECTROBLOWN MEMBRANES - 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 apparatus for electro-blowing or blowing-assisted electro-spinning technology. | 05-14-2009 |
| 20090148547 | DEVICE FOR PRODUCTION OF NANOFIBRES THROUGH ELECTROSTATIC SPINNING OF POLYMER SOLUTIONS - The invention relates to device for production of nanofibres through electrostatic spinning of polymer solutions comprising a spinning chamber, in which the reservoir of polymer solution is positioned, into which by a section of its circumference extends the rotating spinning electrode of elongated shape connected to one pole of high voltage source of direct current, to whose opposite pole there is connected the collecting electrode arranged in the spinning chamber against the spinning electrode, while a section of circumference of the spinning electrode extends into a polymer solution in the reservoir while the reservoir of polymer solution is divided into the inlet section, into which leads at least one inlet opening, and into which the spinning electrode extends by a section of its circumference, and the outlet section, which is provided with outlet opening. | 06-11-2009 |
| 20100173035 | EQUIPMENT AND METHOD FOR ELECTROSPINNING - An electrospinning equipment is provided. The electrospinning equipment includes a power supply, a collector and a material supply electrically connected to the power supply facing the collector and having a spinneret and a guide unit coupled to the spinneret and bent toward the collector, and the spinneret is configured at a central portion of the guide unit. | 07-08-2010 |
| 20100323053 | Roller Type Electrostatic Spinning Apparatus - A roller type electrostatic spinning apparatus is disclosed, which includes an electrostatic spinning solution impregnation mechanism having a sizing roller, a linear emitting electrode disposed on the sizing roller, a collecting electrode module, and a high-voltage power supply. The collecting electrode module includes a casing, several exhaust vent disposed on the casing, several slits disposed on the casing, and several serrate collecting electrodes disposed next to the slits. The high-voltage power supply is connected to the linear emitting electrode and the serrate collecting electrodes. | 12-23-2010 |
| 20110081439 | EXCESS POLYMER RING REMOVAL DURING OPHTHALMIC LENS MANUFACTURE - The present invention includes molds for forming ophtalmic lenses, such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that includes two or more mold parts with at least one of the mold parts including a flange surface and a static charge differential between each mold part, including the flange surface. | 04-07-2011 |
| 20110250308 | ELECTROSPINNING APPARATUS, METHODS OF USE, AND UNCOMPRESSED FIBROUS MESH - Embodiments of the present disclosure provide electrospinning devices, methods of use, uncompressed fibrous mesh, and the like, are disclosed. | 10-13-2011 |
| 20110311671 | ELECTROSTATIC SPINNING ASSEMBLY - A spinneret for producing nanofibres from a viscous liquid using electrostatic spinning in an electric field is described. The spinneret includes one or more narrow annular bodies radially centred about and axially spaced along a central axis. The annular bodies may be discs, rings, or coils. | 12-22-2011 |
| 20120003344 | Roller Type Electrostatic Spinning Apparatus - A roller type electrostatic spinning apparatus is disclosed, which includes an electrostatic spinning solution impregnation mechanism having a tank for containing an electrostatic spinning solution and a sizing roller rolled in the tank, a chain emitting electrode touching the sizing roller to coat the electrostatic spinning solution onto the chain emitting electrode, a collecting electrode, and a high-voltage power supply connected to the chain emitting electrode and the collecting electrodes respectively. | 01-05-2012 |
| 20120064186 | METHOD AND DEVICE FOR PRODUCING ELECTROSPUN FIBERS AND FIBERS PRODUCED THEREBY - Electrospinning nozzles include novel constructs for providing spinning pores that define the origin of jets of fiber-forming media. In some embodiments, a film covers relatively large holes in a nozzle body and provides spinning pores aligned with such large holes. In some embodiments, conductive tubes are secured at or about relatively large holes in a nozzle body and provide spinning pores fluidly communicating with fiber-forming media at such large holes. In yet other embodiments, nozzle bodies are provided with circular or semi-spherical surfaces having a plurality of spinning pores. | 03-15-2012 |
| 20120177767 | DEVICE FOR PRODUCTION OF NANOFIBRES THROUGH ELECTROSTATIC SPINNING OF LIQUID MATRIX - A device for production of nanofibres through electrostatic spinning of the liquid matrix in electrostatic field between at least one spinning electrode and a collecting electrode positioned opposite thereto, while the spinning electrode contains at least one spinning member containing the cord, which comprises a straight section which is parallel with a plane of depositing the nanofibres and/or with the collecting electrode and it forms an active spinning zone of the cord. The cord of the spinning member is stationary or is displaceable in a direction of its length or is movable in a direction of its length either discontinuously or continuously and to the cord there is assigned a device for application of the liquid matrix on the cord in a direction of length of the cord. | 07-12-2012 |
| 20120183638 | ROTARY SPINNING ELECTRODE - The rotary spinning electrode of elongated shape, serving to carry polymer solution from reservoir of polymer solution or melt into electric field for spinning in devices for production of nanofibres through electrostatic spinning of polymer solutions or melts, including a pair of end faces ( | 07-19-2012 |
| 20120301567 | APPARATUS FOR PRODUCTION OF TWO-DIMENSIONAL OR THREE-DIMENSIONAL FIBROUS MATERIALS OF MICROFIBRES AND NANOFIBRES - An apparatus for a production of two-dimensional or three-dimensional fibrous materials of microfibers or nanofibers containing a set of spinning metal nozzles connected to a first potential, a set of electrodes of a collector facing the set of the nozzles, arranged at regular spacing and connected to a second potential, and a collecting plate or a collecting cylinder for collecting microfibers or nanofibers settled between couples of adjacent electrodes of the collector. The substance of the invention is as follows: the set of the electrodes of the collector contains at least two electrodes of the collector arranged in a plane and the collecting plate in line of its intersection or a tangent to the collecting cylinder, that is perpendicular to a contact line with the plane of the electrodes of the collector, form with the plane of the electrodes of the collector an angle α, the size of which ranging between 0° and 90°, the collecting plate or the collecting cylinder being supported movably in relation to the electrodes of the collector in a direction lying in the plane that is perpendicular to the plane of the electrodes of the collector and in which the axis of the electrode lies, the direction of the collecting plate or the collecting cylinder movement forming with this electrode axis an angle β, the size of which ranging between 0° and 90°. Such arrangement enables creating of large areal and voluminous objects of ordered nanofibers. | 11-29-2012 |
| 20130011508 | ELECTROSPINNING APPARATUS FOR PRODUCING NANOFIBRES AND CAPABLE OF ADJUSTING THE TEMPERATURE AND HUMIDITY OF A SPINNING ZONE - Provided is an electrospinning apparatus for producing nanofibers, including: a spinning solution supply unit ( | 01-10-2013 |
| 20130273190 | NANOFIBER MANUFACTURING DEVICE - The present invention relates to a nanofiber manufacturing apparatus having a plurality of electrospinning units disposed serially along the conveying direction of a long sheet, each electrospinning unit including: a conductive case; a collector attached to the case by means of an insulation member; a nozzle block disposed to face the collector and having a plurality of nozzles from which polymer solution is ejected mounted thereon; a power supply adapted to apply a high voltage to a space between the collector and the nozzle block; an auxiliary belt formed of an insulative porous endless belt located and freely rotated at a position encompassing the collector; and an auxiliary belt driver adapted to rotate the auxiliary belt to a rotating speed corresponding to the conveying speed of the long sheet, wherein the positive electrode of the power supply is connected to the collector, and the negative electrode thereof to the nozzle block and the case, and when the collector is seen from the nozzle block, the outer edge of the insulation member is located more outwardly than the outer edge of the collector, so that if it is assumed that the thickness of the insulation member is a and the distance between the outer edge of the insulation member and the outer edge of the collector is b, it is satisfied that a≧6 mm and a+b≧50 mm. | 10-17-2013 |
| 20130337101 | System and Method for Mandrel-Less Electrospinning - A system for electrospinning a fiber matrix on a tubular member includes at least one nozzle, a tubular member in a spaced relationship to the at least one nozzle, and a fluid source for pressurizing a lumen of the tubular member. An electrical potential is applied between the at least one nozzle and either the tubular member or fluid from the fluid source. The electrical potential draws at least one fiber from the at least one nozzle to the tubular member. | 12-19-2013 |
| 20140342027 | NANOFIBER MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING NANOFIBERS - A nanofiber manufacturing apparatus ( | 11-20-2014 |
| 20160047063 | METHOD AND APPARATUS FOR CONTROLLED ALIGNMENT AND DEPOSITION OF BRANCHED ELECTROSPUN FIBER - A method for separating out nano-scale fiber threads from many fiber branches and controlling alignment and deposition of the fiber threads on a substrate, comprising: electrospinning at least synthetic polymer fiber streams from an electrically charged syringe needle; controlling the fiber using at least one electrically charged metallic disk rotating about an axis positioned below the needle; capturing the fiber using electrically grounded collector; extracting a single or plurality of fiber branch threads from the fiber streams, wherein the single or plurality of fiber branch threads is attracted to and intercepted by the collector shape, and depositing the single or plurality of fiber branch threads as substantially aligned fiber on the collector. | 02-18-2016 |
| 20160083867 | APPARATUSES HAVING OUTLET ELEMENTS AND METHODS FOR THE PRODUCTION OF MICROFIBERS AND NANOFIBERS - Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device. | 03-24-2016 |
| 20160083868 | ELECTROSPINNING APPARATUS - The present invention relates to an electrospinning apparatus, and the purpose of the present invention is to provide an electrospinning apparatus capable of producing nanofiber having various ingredients and thicknesses by controlling the temperature of at least one solution discharged from nozzles mounted on the tubular bodies of a nozzle block and thus controlling the viscosity of the solution which is electrospun; producing nanofiber having uniform quality without applying a density difference and a voltage difference by disposing the front end portions of the nozzles in a flare shape; and mass-producing nanofiber at a low cost as well as reducing the amount of the solution used by removing an overflow prevention system and using a metering pump alone or by using the metering pump and the overflow prevention system alternatively or in a hybrid manner. | 03-24-2016 |
| 20170233896 | A DEVICE FOR PRODUCING FIBERS OR MICROFIBERS | 08-17-2017 |
