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| Number | Title | Issue Date |
| 7419373 | Apparatus and method for induction lamination of electrically conductive fiber-reinforced composite materials A method and apparatus for forming laminate composite structures. At least two laminae, each containing electrically conductive reinforcing fibers, are placed upon each other in contacting relationship to form a generally layered structure. The layered structure may... | 09/02/2008 |
| 7393193 | Techniques for making a metallic product utilizing electric current in a consolidation process A system is capable of making a metallic product with robust mechanical and electrical properties. The system includes a pressing stage configured to compress powder (e.g., MMC material) to form a green compact from the powder, a sintering stage configured to sinter... | 07/01/2008 |
| 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 voltage having a polar is applied to discharge the ... | 04/01/2008 |
| 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 temperature modulator for modulating temperature in the spinning region. ... | 02/05/2008 |
| 7182890 | Matrix and method of producing said matrix The invention relates to a matrix suitable for use in the replication of a plastic element having a positive microstructure, comprising a first wear-resistant layer that is supported by a carrier element, wherein the matrix comprises a heating means for supplying el... | 02/27/2007 |
| 7137799 | Vessel and system for curing a repair to a component made from composite materials The present invention provides a pressure vessel for exerting pressure on a repair to a component made of composite materials to cure the repair in the field. The pressure vessel includes a body having a chamber for receiving the repair to the component; a portal op... | 11/21/2006 |
| 6899842 | Method and installation for laying a cylindrical pipe on a support A process and plant for laying a pipe in a trench comprising placing a flattened tubular preform in the trench, the perform having a reinforcement surrounding an inner seal, the reinforcement being impregnated with a resin, and inflating the perform in the trench. | 05/31/2005 |
| 6884370 | Matrix and method of producing said matrix The invention relates to a matrix suitable for use in the replication of a plastic element having a positive microstructure, comprising a first wear-resistant layer that is supported by a carrier element, wherein the matrix comprises a heating means for supplying el... | 04/26/2005 |
| 6776598 | Semiconductor chip molding apparatus and method of detecting when a lead frame has been improperly positioned in the same A semiconductor chip molding apparatus includes an upper platen including an upper mold, a lower platen including a lower mold having a molding block configured to receive a lead frame, a controller, and an electrical detector for forming an electrical circuit betwe... | 08/17/2004 |
| 6612826 | System for consolidating powders This invention relates to a system and method for consolidating particulate material, such as particulate material, in order to achieve at least ninety-five percent (95%) or even ninety-eight percent (98%) of its maximum theoretical density using a relati... | 09/02/2003 |
| 6604925 | Device for forming a filtering material A device for producing a porous fiber structure. One or more points of high surface curvature is produced in a liquefied polymer, such as a polymer solution or a polymer melt. The points of high surface curvature may be produced by forcing the liquefied p... | 08/12/2003 |
| 6454970 | Matrix, method of producing and using the matrix and machine including the matrix The invention relates to a method of producing a matrix suitable for use in a plastic element-producing machine, a matrix produced in accordance with the method and use of such a matrix to form a plastic element. One side of the matrix is provided with a ... | 09/24/2002 |
| 6337045 | Method for the manufacture of pharmaceutical cellulose capsules A method and apparatus for manufacturing pharmaceutical capsules use an aqueous solution of a thermogelling cellulose ether composition and use capsule body pins and capsule cap pins as molds. The method involves heating the pins, dipping the pins into th... | 01/08/2002 |
| 6245280 | Method and apparatus for forming polycrystalline particles A method and apparatus for forming polycrystalline particles by gas phase condensation employing arc plasma evaporation. The disclosed method and apparatus may be employed to form polycrystalline particles from high-melting temperature, low evaporation pr... | 06/12/2001 |
| 6214513 | Slot coating under an electric field A coating process for the fabrication of organic photoreceptors employs an electrically conductive single slot die biased to allow an electric field between the die and the ground plane on the photoreceptor substrate. The homogenous coating dispersion is ... | 04/10/2001 |
| 6136255 | Method and device for manufacturing biodegradable molded objects A voltage is applied to a feeder plate (29) from a power source section (2) including an alternating power source for dielectric heating, whereby an electric field in a direction crossing a direction in which a mold (8) is moved is applied to an incoming ... | 10/24/2000 |
| 5800839 | Plastic magnet injection molding machine A plastic magnet injection molding machine comprising a pair of exciting coils respectively embedded into a fixed plate and a movable plate along with respective seats and a metal mold including ferromagnetic central members and non-magnetic peripheral me... | 09/01/1998 |
| 5698155 | Method for the manufacture of pharmaceutical cellulose capsules A method and apparatus for manufacturing pharmaceutical capsules use an aqueous solution of a thermogelling cellulose ether composition and use capsule body pins and capsule cap pins as molds. The method involves heating the pins, dipping the pins into th... | 12/16/1997 |
| 5589129 | Method of manufacturing a molding using a filler or an additive concentrated on an arbitrary portion or distributed at a gradient concentration A liquid resin composition prepared by mixing an ionic material and/or a chargeable material into a thermosetting or thermoplastic resin is injected into a mold having a predetermined inner shape, and a DC voltage is applied to the liquid resin compositio... | 12/31/1996 |
| 5569432 | Method for making a vibration dampener of an electrorheological material There is disclosed a method for making a vibration dampener, the dampener cluding a body for disposition between two relatively movable members, the body being formed from a carrier of a gel material and particles having electrorheological properties embe... | 10/29/1996 |
| 5529474 | System for preheating a molding compound A system (30) and method for preheating molding compound in the form of resin pellets (20) used in molding integrated circuits (50). A slanted plate (36) is connected to an electrode (31) to preheat resin pellets (20). The slanted plate (36) produces a te... | 06/25/1996 |
| 5486319 | Tire cure control system and method A tire cure control system and method characterized by a computer-based data acquisition and process control unit that uses non-invasive, direct cure measurements to adjust the length of cure so that all cured articles such as tires will be cured to the s... | 01/23/1996 |
| 5451257 | Porous film and porous film manufacturing apparatus This invention provides a porous film useful as a fresh fruit and vegetable wrapping material which is obtained by forming a large number of small recesses in an organic film and which does not allow permeation of water, bacteria, and viruses, but allows ... | 09/19/1995 |
| 5366580 | High frequency welding machine The high frequency welding machine utilizes the computer or central processing unit, various means for sensing various parameters of the welding machine, and various means for activating various components of the machine. In particular, the computer maint... | 11/22/1994 |
| 5359253 | Piezoelectric material comprising a polymer network The invention relates to a piezoelectric element comprising a piezoelectric material 1, in the form of a polymer network, between at least two electrodes 2, 3. The piezoelectric material is formed from a starting material comprising a liquid crystalline m... | 10/25/1994 |
| 5246638 | Process and apparatus for electroconsolidation The present invention is directed generally to apparatus for and improvements in powdered metal consolidation processes, some of which referred to as "electroconsolidation" processes, and more particularly to processes employing specially shaped rams or e... | 09/21/1993 |
| 5125822 | Apparatus for the production of ceramic articles The present invention relates to apparatus for producing tubular ceramic articles. The apparatus is comprised of a vertically positioned electrical induction furnace; a plurality of spaced concentrically arranged tubular forms, which fit and are arranged ... | 06/30/1992 |
| 5122043 | Electric pulsed power vacuum press An electric pulsed power vacuum press assembly for fast pulse heating of electrically conductive materials at high pressures is disclosed. The fast pulse capability is provided for by a current path (49) that is characterized by extremely low inductance a... | 06/16/1992 |
| 4971540 | Apparatus for laying a mat of fibrous material An apparatus for laying a mat of fibrous material which includes an upwardly inclined belt onto which the fibrous material is fed, one or more combing roller located above the belt, a stripping roller at the upper end of the belt for removing the material... | 11/20/1990 |
| 4942002 | Process for converting carbon blanks into graphite electrodes Cylindrical carbon blanks are assembled into one or more upright stacks which are advanced stepwise in an upward direction in one or more upright tubes which insulate the column or columns from the surrounding atmosphere. The blanks in the upright tube or... | 07/17/1990 |
| 4865702 | Process of electrochemically re-alkalizing reinforced concrete A process is disclosed for re-alkalizing carbonized reinforced concrete. An electric current is impressed between adjacent areas of concrete, one of which has become carbonized with consequent loss of pH, and the other of which is adequately alkaline in p... | 09/12/1989 |
| 4830795 | Process for making polarized material This invention relates to a process for making polarized material by forming a solution of a material capable of being polarized with a polarization solvent. The material in solution is poled to provide a polarized material and during the poling the solve... | 05/16/1989 |
| 4800048 | Die drawing process and apparatus for piezoelectric polymer films and tubes Apparatus and processes for preparing polymeric piezoelectric films of one or more layers or tubular products having a central wire core by drawing a suitable polymeric blank through either a flat or a conically tapered drawing die having associated elect... | 01/24/1989 |
| 4772438 | Method and apparatus for continuous shaping of carbon-fiber-reinforced plastic tubes In a method and apparatus for continuous shaping of carbon-fiber-reinforced plastic tubes, a carbon fiber prepreg in tape form impregnated with a first thermosetting resin is laminated on and around a mandrel; the laminate provided on said mandrel is preh... | 09/20/1988 |
| 4765890 | Apparatus for reducing tailing in a liquid chromatograph To reduce tailing, the frit at the outlet to the liquid chromatographic column has a diameter substantially equal to that of the inside diameter of the outlet end of the column and less than two millimeters. It is held directly against the packing of the ... | 08/23/1988 |
| 4759843 | Apparatus for reducing tailing in a liquid chromatograph To reduce tailing, the frit at the outlet to the liquid chromatographic column has a diameter substantially equal to that of the inside diameter of the outlet end of the column and less than two millimeters. It is held directly against the packing of the ... | 07/26/1988 |
| 4758386 | Wave-shaped AC arc for lensing system A system is provided for forming an end of an optical fiber into a lens, using a high frequency AC electric arc of predetermined frequency, which avoids the creation of harmonic frequencies that could degrade the finished lens. An arc is established betwe... | 07/19/1988 |
| 4734228 | Process and device for preparing a piezoelectric material According to the invention, the dipolar orientation of an object made of material adapted to present piezoelectric properties is obtained by exposing at least one of the faces of the object to a jet of charged microparticles in order to create therein a s... | 03/29/1988 |
| 4684337 | Device for polarizing ferroelectric materials Means for polarizing ferroelectric materials up to a predetermined polarization level include the application of an electric field E to these materials. According to this method the ferroelectric material is subjected to an alternating electric field E, t... | 08/04/1987 |
| 4673541 | Method and apparatus for continuous shaping of carbon-fiber-reinforced plastic tubes A method and an apparatus for continuous shaping of carbon-fiber-reinforced plastic tubes, wherein a carbon fiber prepreg in tape form impregnated with a thermosetting resin is laminated on and around a mandrel, then the laminated carbon fiber prepreg tap... | 06/16/1987 |
