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| Number | Title | Issue Date |
| 8062574 | Process for production of injection-molded article of polylactic acid resin A method of manufacturing a polylactic acid resin injection molded article, having the step (1): a step of melt-kneading a polylactic acid resin composition containing a polylactic acid resin and a specified organic crystal nucleus agent, while contacting the compos... | 11/22/2011 |
| 8043549 | Injection apparatus An object is to reduce the axial dimension of an injection apparatus (31), facilitate the work of removing and inserting a screw (20), and improve the quality of molded products. The injection apparatus (31) comprises a heating cylinder (17 | 10/25/2011 |
| 7959845 | Injection molding method of stone-based composite material The invention provides an injection molding method of stone-based composite material and equipment thereof, wherein the method comprises the following steps: a. putting raw materials into a charging device and then pushing the raw materials into a preforming machine... | 06/14/2011 |
| 7897092 | Method for producing non-foamed molded body Provided are a process for efficiently producing a non-foamed molded body by impregnating an amorphous thermoplastic resin with 0.3 to 3.0% by mass of carbon dioxide and/or 0.05 to 1.0% by mass of nitrogen and then supplying the amorphous thermoplastic resin thus ob... | 03/01/2011 |
| 7625514 | Method for modifying polymer surface and method for producing polymer product A method for modifying a surface of a polymer such as a thermoplastic resin is provided, in which a supercritical fluid, especially carbon dioxide in a supercritical state is used as a solvent, and the polymer surface is further converted to have highly advanced fun... | 12/01/2009 |
| 7547406 | Method for the direct and continuous production of hollow articles from a polymer melt A method of making shaped articles from highly condensed polyester melt and especially preforms for the blow molding of food and especially beverage containers. A melt is continuously withdrawn from the polycondensation reactor and is fed to the shape-imparting unit... | 06/16/2009 |
| 7419720 | Conductive plastic molding material, the use thereof and moulded bodies produced therefrom The present invention relates to a plastics molding composition based on polyarylene sulfide and/or on liquid-crystalline plastic, where the molding composition comprises carbon black and graphite and/or metal powder, the carbon black has a specific surface area of ... | 09/02/2008 |
| 7351370 | Method of making filler-impregnated golf ball core A method of making a golf ball core comprising the steps of providing a first polybutadiene pre-impregnated with at least about 50 weight percent of a first filler; providing a second polybutadiene substantially free of the first filler; providing a free radical ini... | 04/01/2008 |
| 7344673 | Multi-layer preliminary formed body and method of manufacturing the formed body A preform for a multi-layered hollow vessel has excellent moldability and productivity and is free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities. A molded product is produced by fill... | 03/18/2008 |
| 7303706 | Device for producing expanded plastic moulded parts in an injection moulding process, using compressed physical expansion fluids The manufacture of foamed polymer trim parts making use of physical blowing agents requires the diffusion and sorption of the blowing agent in the polymer melt. Said diffusion and sorption are achieved by intensive mixing. Therefore a statical mixing device is enclo... | 12/04/2007 |
| 7291297 | Injection molding method and apparatus for continuous plastication In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficie... | 11/06/2007 |
| 7291345 | Formable and settable polymer bone composite and method of production thereof A composite osteoimplant. The osteoimplant includes a polymer and bone-derived particles. The composite is adapted and constructed to be formable during or immediately prior to implantation and to be set after final surgical placement. ... | 11/06/2007 |
| 7270813 | Coupling agents for orthopedic biomaterials The invention provides a method for the preparation of bone-polymer composites wherein the mineral portion of the bone is treated with a coupling agent before being incorporated into a biocompatible polymeric matrix. The resulting composites may be used as such or b... | 09/18/2007 |
| 7250129 | Soft, flexible composition and method for making same There is provided a composition comprising a unique polymeric compound that provides a soft, flexible product. There is also provided a unique polymeric tampon applicator that is soft and flexible. When used as a tampon applicator barrel, the barrel is more comforta... | 07/31/2007 |
| 7235208 | Dust core A dust core consists essentially of ferromagnetic powder; and an insulating binder, in which the ferromagnetic powder is dispersed; wherein the insulating binder is a silicone resin comprising a trifunctional alkyl-phenyl silicone resin and optionally containing an ... | 06/26/2007 |
| 7231927 | Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor An object of the invention is to provide a method and an apparatus for recycling plastics which is improved with respect to operation efficiency, operation environment, lowering degradation of plastics, recycling cost and environment load including saving energy. Th... | 06/19/2007 |
| 7211207 | Injection molding method with surface modification A molded article includes thermoplastic resin, and an organic material different from the thermoplastic resin inside said molded article, the organic material being located on and near a surface of said molded article. ... | 05/01/2007 |
| 7135025 | Surgical implant A surgical implant made of a polymer, copolymer, polymer mixture or polymer composite that dissolves in the organ system. The manufacturing material is dyed with the coloring agent D&C Violet No. 2 or D&C Green No. 6. Preferably, the amount of the coloring agent is ... | 11/14/2006 |
| 7132071 | Method of molding using a plunger machine with a tapered bore A method of molding reinforced polymer compositions using a molding machine with a tapered bore is provided. The method has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machi... | 11/07/2006 |
| 7104775 | Injection unit having rotatable device for preventing reverse flow Disclosed is an injection unit having a rotatable device for preventing reverse flow. To connect first flow channels formed in a spacer and second flow channels formed in a screw head when the metering is performed, and prevent reverse flow of resin by cutting off t... | 09/12/2006 |
| 7077642 | Plunger molding machine with tapered bore and thermal transfer fins A plunger machine for molding reinforced polymer compositions is provided. The plunger machine has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine includes a barrel hous... | 07/18/2006 |
| 7037102 | Plunger molding machine with tapered bore and thermal transfer fins A plunger machine for molding reinforced polymer compositions is provided. The plunger machine has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine includes a barrel hous... | 05/02/2006 |
| 7026060 | Layered structure providing shielding characteristics The invention relates to a layered structure comprising a plastic substrate, at least one intermediate metallic layer on top of this plastic substrate and a metal or metal alloy layer on top of this intermediate metallic layer. The metal or metal alloy layer is appl... | 04/11/2006 |
| 6960315 | Method for forming moldings from dimer fatty acid free polyamides Polyamides based on reaction products of C4-C18 dicarboxylic acids and diamines are suitable as molding compositions for the production of moldings in the low pressure injection molding process, and for adhesive sealing or filling in the produc... | 11/01/2005 |
| 6957953 | Reservoir reducing screw tip An extruder for extruding extrudate is provided and includes a generally cylindrical barrel portion having an end face. A screw conveyor is rotatably arranged coaxially within the barrel portion and has a downstream end. The screw conveyor has helical flights that d... | 10/25/2005 |
| 6955781 | Injection molding method with surface modification A molded article includes thermoplastic resin, and an organic material different from the thermoplastic resin inside said molded article, the organic material being located on and near a surface of said molded article. ... | 10/18/2005 |
| 6929763 | Injection molding method The invention provides an injection molding method comprising supplying a gas into a molten resin in a plasticizing cylinder and injecting the molten resin having the gas dissolved therein, wherein when the resin is being plasticized, a gas space with a predetermine... | 08/16/2005 |
| 6930163 | Process for the continuous preparation of thermoplastically processable polyurethanes with improved softening properties Process for the continuous preparation of thermoplastically processable polyurethane elastomers with improved softening properties is disclosed. The process is carried out in a tubular reactor at a ratio of the circumferential speed of the stirrer (in m/sec) in the ... | 08/16/2005 |
| 6884380 | Method of injection molding of thermoplastic resin The invention is to ensure that in injection molding a molten resin having carbon dioxide dissolved therein as a plasticizer, a sufficient amount of carbon dioxide to achieve satisfactory improvement in flowability is dissolved in the molten resin so that the flowab... | 04/26/2005 |
| 6855282 | Method of fabricating a lubricant-integrated load/unload ramp for a disc drive A method for fabricating a disc drive load/unload ramp incorporates a disc drive compatible lubricant as the mold releasing agent. A mold having a load/unload ramp cavity is sprayed with a predetermined amount of disc drive compatible lubricant so that the finished ... | 02/15/2005 |
| 6849212 | Injection machine and method of adjusting viscosity of molten resin The present invention relates to an injection machine comprising: a heating barrel which heats a powder material, a binder, and a resin material into a molten resin; a screw mounted in the heating barrel to mix the resin material; and a motor which drives the screw ... | 02/01/2005 |
| 6846441 | Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor An object of the invention is to provide a method and an apparatus for recycling plastics which is improved with respect to operation efficiency, operation environment, lowering degradation of plastics, recycling cost and environment load including saving energy. Th... | 01/25/2005 |
| 6840836 | Flexible flying disk A flexible flying disk is described in which a body having a circular perimeter is formed about a central axis. The body includes a weighted annular margin at the perimeter, with an axial margin dimension. A central web spans the perimeter at one axial end of the ma... | 01/11/2005 |
| 6827897 | Reduction of friction effect between poly (ethylene terephthalate) preforms and bottles An additive system for polyester polymers comprising an effective amount of (i) a fatty acid amide selected from the group consisting of oleyl palmitamide, ethylene bis stearamide, ethylene bis oleomide, and stearyl erucamide; (ii) a partially or fully calcined poro... | 12/07/2004 |
| 6818173 | Polymeric blends formed by solid state shear pulverization and having improved melt flow properties Solid state shear pulverization is utilized to form a compatibilized homogenous polymeric blend which has improved melt processing properties including a higher melt flow rate than the moldable base polymer without sacrificing, and often increasing the other physica... | 11/16/2004 |
| 6783974 | Microplate having a lubricious surface and methods for making and using such microplates A microplate is described that has a surface with an enhanced lubricious property which makes it easier to remove the microplate from a thermocycler. Basically, the microplate has a frame which includes an array of wells formed therein that are made from a thermopla... | 08/31/2004 |
| 6758996 | Cellulose-reinforced thermoplastic composite and methods of making same Granulated papermaking sludge is combined with plastic to form composite materials that may be shaped into structural and non-structural articles. ... | 07/06/2004 |
| 6685874 | Method for blow molding A method for controlling the hang time of a tubular parison formed from a thermoplastic resin is provided with a second higher melting thermoplastic resin as an additive, and blow molding the resulting resin at a temperature below the glass transition tem... | 02/03/2004 |
| 6627134 | Apparatus for molding multilayered articles An apparatus for injection molding two compatible polymeric materials, in which two substantially coaxial extrusion screws are used to plasticize the two materials into a common accumulation space. The charge comprising multiple layers of material is then... | 09/30/2003 |
| 6613265 | Method of operating a back-flow prevention apparatus A back-flow prevention apparatus includes a screw body; a screw head attached to the screw body; a first resin passage formed on a first ring; a second resin passage formed on a second ring located adjacent to and rotatable relative to the first ring; a d... | 09/02/2003 |
