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| Number | Title | Issue Date |
| 7744363 | Valve device of injection molding device A valve device is configured for obturating an opening of a channel defined in an injection molding device. The valve device includes a plug movably received in the channel, and a resilient member connected with the plug. The plug includes an obturating portion for ... | 06/29/2010 |
| 7625198 | Modular fabrication systems and methods The present invention relates to an article fabrication system having a plurality of material deposition tools containing one or more materials useful in fabricating the article, and a material deposition device having a tool interface for receiving one of the mater... | 12/01/2009 |
| 7604473 | Injection apparatus having a microwave generation part Disclosed herein is an injection apparatus and control method thereof. The apparatus comprises a nozzle to guide a raw material to flow into an injection mold, a microwave transmission part positioned at a portion of the nozzle, and a microwave generation part posit... | 10/20/2009 |
| 7527491 | Rotary hot tool and heat ablation apparatus using the same Disclosed herein is a hot tool which machines a workpiece made of foam material. The hot tool of the present invention includes a motor, a rotary unit which is coupled to the motor, and an electrode terminal which is connected to an outside power supply and contacts... | 05/05/2009 |
| 7357629 | Apparatus and method for aligning a removable build chamber within a process chamber The invention is a rapid prototype apparatus having a removable build chamber and a plurality of alignments surfaces that can be used to properly align the build chamber with the process chamber with minimal adjustments by a user. In one embodiment, the apparatus co... | 04/15/2008 |
| 7303385 | Heating tool for shaping soft materials and shaping apparatus using the same A heating tool for shaping a soft material is provided. The heating tool is mounted to a predetermined position of a shaping apparatus and connected to a power source provided at a predetermined position of the shaping apparatus to melt and shape the soft material u... | 12/04/2007 |
| 7261541 | Cooling techniques in solid freeform fabrication A cooling system for removing heat from the layers of a three-dimensional object built in a layerwise manner from a build material in a solid freeform fabrication apparatus. The cooling system provides an air duct that delivers a uniform sheet of air flow over the l... | 08/28/2007 |
| 7249942 | Digitally active 3-d object creation system A three dimensional object creation system that prints objects layer by layer, the system including a plurality of printheads (102), the system printing at least part of each of multiple layers (110, 114, 118 etc) simultaneously. ... | 07/31/2007 |
| 7232299 | Flow molding apparatus with multiple layers of molds and electrodes A flow molding apparatus with multiple layers of molds and electrodes is disclosed. In an exemplary embodiment, the apparatus includes top and bottom electrodes with an intermediate electrode positioned therebetween. A first mold is disposed between the top electrod... | 06/19/2007 |
| 7223087 | Microwave molding of polymers A mold for relatively uniform heating and molding of a work material to form a workpiece using a microwave oven, includes upper and lower mold members and a sidewall mold member. The mold members are formed from materials selected to have an approximately equal effe... | 05/29/2007 |
| 7211214 | Laser assisted direct imprint lithography In accordance with the invention, features can be directly imprinted into the surface of a solid substrate. Specifically, a substrate is directly imprinted with a desired pattern by the steps of providing a mold having a molding surface to imprint the pattern, dispo... | 05/01/2007 |
| 7128562 | Molding die apparatus and molding method A molding die apparatus and a method thereof are provided, which ensures for air and gas (or fluid) present in a resin filling space to be exhausted so as to be able to fill molten resin into the cavity smoothly and uniformly thereby enabling production of a high qu... | 10/31/2006 |
| 7122146 | Injection molding of polymers by microwave heating Injection molding machine utilizes microwave heating. A microwave oven adapted to receive a microwave absorbent plasticizing vessel is utilized with or incorporated into an injection molding system to form a plasticizing unit for heating polymer granules to an injec... | 10/17/2006 |
| 7119314 | Radio frequency and microwave radiation used in conjunction with convective thermal heating to expedite curing of an imprinted material A system and method is provided in which a radio frequency transmitter and/or a microwave frequency transmitter applies radio and/or microwave frequency energy, respectively, to an imprinted material to cure the imprinted material. In some embodiments, an oven may b... | 10/10/2006 |
| 7090478 | Apparatus and method for manufacturing an anisotropic formed body An apparatus for manufacturing an anisotropic formed body in which functional, magnetic fine particles are oriented in a specific direction within a matrix and in which anisotropy is given to properties attributable to the functional fine particles. The apparatus al... | 08/15/2006 |
| 7083746 | Method of making an optical component, a mould for use in such method, and an optical component so produced An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in a mould, surfaces complementary to the working and neutral surfaces ... | 08/01/2006 |
| 7037460 | Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially cons... | 05/02/2006 |
| 7021915 | Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length An apparatus and method for controlling the surface level of a liquid residing within a relatively vertically stationary workpiece support platform disposed within a reservoir for use in stereolithographic processes wherein a layered object or structure is formed by... | 04/04/2006 |
| 7008206 | Ventilation and cooling in selective deposition modeling A ventilation and cooling system for a selective deposition modeling apparatus dispensing a curable material. The ventilation and cooling system captures airborne contaminants in the apparatus making the apparatus suitable for use in an office environment. A pressur... | 03/07/2006 |
| 7005050 | Electrophoresis in microfabricated devices using photopolymerized polyacrylamide gels and electrode-defined sample injection The present invention relates to a novel, small-scale, electrophoretic separation system based on photodefined polymers and electrode-defined sample injection. Diffusion and displacement coefficients may be modified by varying the gel concentration, the intensity of... | 02/28/2006 |
| 6937631 | Semiconductor laser device A semiconductor laser device which ensures high yield, high reliability and high power output by reduction in tensile strain in its active region for improvement in the COD level. The device comprises: a semiconductor crystal-growing portion having an active layer f... | 08/30/2005 |
| 6937921 | Production of smart dies and molds using direct metal deposition A laser-aided, direct metal deposition (DMD) fabrication process is used for dies and molds having integrated sensors for monitoring and controlling characteristics that determine the quality of an article being processed. A method of fabricating such devices, as we... | 08/30/2005 |
| 6908586 | Free radical polymerization method having reduced premature termination, apparatus for performing the method and product formed thereby A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially cons... | 06/21/2005 |
| 6896839 | Three-dimensional molding apparatus and three-dimensional molding method To provide a three-dimensional molding technique capable of generating a three-dimensional molded article in short time. In a three-dimensional molding apparatus, a powder material is allowed to drop via an opening while moving a thin layer formation section ... | 05/24/2005 |
| 6786711 | Method and system for production of fibrous composite prototypes using acoustic manipulation in stereolithography A method for producing a three-dimensional object by stereolithography. A solid reinforcing material is mixed with the fluid medium so that at least a part of said solid reinforcing medium is located in the layer of the fluid medium between the top surface of the mo... | 09/07/2004 |
| 6685870 | Method and apparatus for manufacturing photonic crystal element Fine particles (23) are oriented and dispersed in a polymer medium to obtain a composite material (24), which is high-density compression molded to such a size that a photonic band gap develops, thereby obtaining a photonic crystal element (26). The orien... | 02/03/2004 |
| 6629831 | Apparatus for altering the physical properties of fluids A system for fluid processing is provided to control shear, point velocity and pressure in either a Newtonian or non-Newtonian fluid which includes creation of three fields, namely a dynamic microshear field, a dynamic velocity field and a dynamic pressur... | 10/07/2003 |
| 6565791 | Method and apparatus for treating the inside surface of plastic bottles in a plasma enhanced process The apparatus for treating the inside surface of a bottle (1) in a plasma enhanced process comprises a vacuum chamber (2), a microwave confinement (3) with a microwave generator (4), evacuation means and gas feed means (5). The microwave confinement (3) i... | 05/20/2003 |
| 6440501 | Apparatus and method for curing silicone rubber An apparatus for curing silicone rubber is constructed so as to perform a heating process and a curing process in a very short time without degradation of characteristics in piezoelectric elements so as to improve productivity. A piezoelectric component h... | 08/27/2002 |
| 6325612 | Vibration applying apparatus for an injection molding machine A vibration applying apparatus associated with an injection molding machine for applying vibrational repetitive movements to a melt of molding materials includes a rod having a tip end received inside a heating cylinder and disposed in the proximity of a ... | 12/04/2001 |
| 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 |
| 6149856 | Ultraviolet-based, large-area scanning system for photothermal processing of composite structures In making thermoset and photo-set polymer-matrix composite parts, curing is the key process step that transforms the molecular structure of the composite material, stabilizing it in the desired shape. This curing system applies carefully controlled ultrav... | 11/21/2000 |
| 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 |
| 6063323 | Process and installation for making extruded sintered ceramic artifact A process and installation are provided for making an extruded sintered ceramic product. The method involves extruding a moist profile and simultaneously drying it with microwave radiation as it is extruded. As the profile is extruded and dried, it is sup... | 05/16/2000 |
| 6007689 | Apparatus for preparing gels for use in electrophoretic separations and similar applications An apparatus for the rapid preparation of electrophoresis gels comprises: (a) a housing; (b) a support fixture removably disposed within the housing and adapted to receive a gel holder having an internal gel compartment, the support fixture being optional... | 12/28/1999 |
| 5955035 | Method and apparatus for devulcanization of cross-linked elastomers A method and apparatus for devulcanizing cured or cross-linked elastomers. The method includes subdividing elastomeric raw material into small particle form, confining the particles of elastomer under high force, as in a screw extruder or the like and, as... | 09/21/1999 |
| 5948342 | Rapid prototyping method of sintering powdery material and fabricating apparatus using the same A rapid prototyping method utilizing a powder sintering process and an apparatus for fabricating a product, utilizing the method. The rapid prototyping method includes steps of slicing an image of a product to be fabricated into a number of layers, prepar... | 09/07/1999 |
| 5913990 | Method and device for the continuous production of panels of lignocellulose-containing particles A method for continuously producing panels (7) of lignocellulose-containing particles (2). According to the invention, binder is continuously applied to the particles (2) which are continuously shaped to form a mat (4). The mat (4) is continuously precomp... | 06/22/1999 |
| 5885513 | Resin infusion method Method and apparatus of making a reinforced composite structure wherein a reusable mold closure is mated to a mold to close off a mold cavity in which a reinforcement is positioned. The mold closure or mold includes a plurality of collapsible resin supply... | 03/23/1999 |
| 5843486 | Polymer injection molding unit A polymer injection molding unit is disclosed having a mold wall which includes a portion made of an infrared transmissible material which is radiated by an external infrared radiation source. Due to the passage of the infrared radiation through the infra... | 12/01/1998 |
