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| Number | Title | Issue Date |
| 8431060 | Method of fabricating an implantable medical device using gel extrusion and charge induced orientation The invention provides a method of manufacturing a polymeric implantable medical device using gel extrusion of high molecular weight polymers or charge-induced orientation to avoid heat degradation of the polymer that might occur during conventional heat extrusion. | 04/30/2013 |
| 8414815 | Seamless fuser member process Described herein is a method forming a belt suitable for use with an image forming system. The method includes coating a composition of a polyimide, a phosphate ester and a solvent onto an outer surface of a rotating metal belt, and subsequently curing and releasing... | 04/09/2013 |
| 8372329 | Use of thermoplastic composition comprising polyether-block copolyamides as additive The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer. ... | 02/12/2013 |
| 8357324 | Rotomolding process for polyethylene articles The present invention relates to a process for the production of polyethylene hollow articles, which process comprises charging the polyethylene with one or more NO-acyl hindered amine additives containing one or more groups of formula (I), filling this mixture into... | 01/22/2013 |
| 8211348 | Manufacturing method of cylindrical member and manufacturing method of vibration damping rubber bushing having the cylindrical member A method of manufacturing a cylindrical member having anti-slip projections formed on axial end faces, the method comprising the steps of: employing a roller die, which is provided with a circumferential die groove of annular form extending through a medial section ... | 07/03/2012 |
| 8182733 | Use of thermoplastic composing polyethlene glycol as additive The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer. ... | 05/22/2012 |
| 8133425 | Rotary moulding A valve in a mold as to provide a potential airflow pathway either way, the valving having at least a substantially closed condition from which it can be opened by a pressure differential in one direction that is below that which will cause it to open or fail to all... | 03/13/2012 |
| 8105525 | Use of polyetheresters for rotomolding The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer. ... | 01/31/2012 |
| 8029718 | Process for forming multi-layer molded articles The invention relates to a rotomolding process for forming a multi-layer article of two different polymers with different melting points in which an outer layer polymer powder is added to a rotational molder along with an inner layer polymer powder that is separated... | 10/04/2011 |
| 7833460 | Rotational molding method A plurality of molded parts are rotationally molded by providing a common mold with plurality of molding chambers, each arranged for forming a respective one of the molded parts therein. The molding chambers are joined with one another by vent gates communicating ga... | 11/16/2010 |
| 7833459 | Molds and methods for rotational molding Molds and methods for rotational molding are disclosed. The molds for rotationally molding may include an interior surface, an exterior surface, an opening, and a post. The interior surface may define a molding cavity. The interior surface may include a first portio... | 11/16/2010 |
| 7790086 | Hinged pointer pottery sizing guide In embodiments of the present invention improved capabilities are described for reproducing the size of a first ceramic ware in the making of a second ceramic ware. In embodiments, the first ceramic ware may be received on a pottery wheel. A hinged pointer may then ... | 09/07/2010 |
| 7754133 | Rotational molding process and product using separation sheet A product and method where a multi-colored product is rotationally molded with no or essentially no blending of the colors. A separation sheet is positioned in the mold to separate relatively adjacent portions of the mold cavity that contain differently colored resi... | 07/13/2010 |
| 7662329 | Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereof A method for manufacturing a centrifugal casting die includes the steps of supplying a first liquid agent for forming a backup layer to be releasably bonded to an inner surface of a cylindrical die, rotating the die body so that the first liquid agent is uniformly s... | 02/16/2010 |
| 7597835 | Method and machine for producing three-dimensional objects by means of successive layer deposition Inventive machine allowing the simultaneous fabrication of several objects by a method of “rapid prototyping” type, by depositing a succession of layers of heat-fusible fluid. It chiefly comprises a crossbar (20) carrying two platforms (11) ... | 10/06/2009 |
| 7504058 | Low cost grease removal system A low cost oil, grease removal assembly includes a rotomolded plastic container having an inlet and an outlet; a rotomolded plastic basket support located at the inlet inside the container; a rotomolded plastic outlet baffle located in the container at the outlet; a... | 03/17/2009 |
| 7396881 | Polyethylene compositions for rotational molding Polyethylene blend compositions suitable for rotomolding, rotomolded articles, and processes for rotomolding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.4 to 3.0 g/10 min and a density of from 0.910 to 0... | 07/08/2008 |
| 7364679 | Tactical venting A method of venting a rotational mold at a predetermined condition by actuating an actuating venting assembly pierces the shell of the molded article and introduces a passageway to relieve pressure during the molding cycle. The actuating venting assembly enables a t... | 04/29/2008 |
| 7343718 | Method for making multiple-part concrete pole This invention relates to pole structures used for supporting transmission and distribution lines, lighting and communications systems, highway signs, traffic signals, and the like. More specifically, this invention relates to a new and useful design of a multi-sect... | 03/18/2008 |
| 7326380 | Surface and site-specific polymerization by direct-write lithography Polymeric microstructures and nanostructures can be prepared with use of a tip to pattern a surface. A tip can be used to pattern a structure which can initiate polymerization. The structure can be then exposed to monomer to induce polymerization at the structure. A... | 02/05/2008 |
| 7309460 | Photomask container A container suitable for storing and transporting photomasks and including a container body, a cover, first and second cushions and left and right channels disposed in slots formed in the container body. In one embodiment, the container of this invention is formed i... | 12/18/2007 |
| 7293974 | Apparatus for producing a curly puff extrudate Apparatus for cutting a puff extrudate utilizing a blade that passes through the extrudate while the extrudate is in a viscous melt stage. The present invention utilizes a tube to facilitate production of a curly puff extrudate. A gap is provided in between the tube... | 11/13/2007 |
| 7250128 | Method of forming a via in a microfabricated elastomer structure A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir... | 07/31/2007 |
| 7247268 | Method for making a part with clearance volume by rotational moulding and resulting part A cylindrical element is manufactured by a process which includes depositing successive layers of thermoplastic materials in a cycle by rotation moulding, or by a technique enabling a deposit of successive layers, the cycle including at least one deposit by rotation... | 07/24/2007 |
| 7237689 | Molded plastic waste container with integral side channels for receiving lifting prongs and method A plastic waste container is rotationally molded with a hollow material carrying or holding compartment having a bottom, rear, front and opposed side walls. A plastic pocket defining a prong receiving channel, located on each side wall, is integrally formed with the... | 07/03/2007 |
| 7223314 | Stretchable fastener Stretchable fastener products are formed by providing a sheet-form fastener tape, slitting the fastener tape to form longitudinally extending bands of fastener tape and separating the longitudinally extending bands to space the fastener tape bands transversely apart... | 05/29/2007 |
| 7201864 | Rotomolding process with reduced cycle times The cycle time for a rotomolding process is improved through the use of a molding material comprising a blend of at least two polyethylenes having narrow molecular weight distributions and homogeneous comonomer distributions. Alternatively, the molding temperature m... | 04/10/2007 |
| 7198478 | Method and apparatus of treating a disc plate A method of treating a disc plate. has the following operations of: molding a mold disc plate through an injection molding; and spinning the mold disc plate at a high spin speed. The spinning operation has at least one of the following two sub-operations of: reducin... | 04/03/2007 |
| 7191508 | Method for manufacturing thin-film magnetic head sliders A method for manufacturing thin-film magnetic head sliders is disclosed. Initially, an elastic layer, which may be made of poly-dimethyl siloxane (PDMS), is spun on a wafer and is thermally cured. Then, a resist layer is spun on the elastic layer. Both the resist la... | 03/20/2007 |
| 7165964 | System for rotational molding of medical articles A system and method for molding the shell of a medical device or other molded article is disclosed. The system includes a multi-axis rotational molding machine in which a mold is mounted. The mold has a cavity in the shape of the article to be molded. The mold seals... | 01/23/2007 |
| 7160496 | Thermoplastic compositions containing metal material Thermoplastic compositions containing metal materials and a method for preparing the same. The compositions are formed into particles having diameters suitable for a rotational thermoforming processing. The compositions are particularly applicable for use in slush m... | 01/09/2007 |
| 7144541 | Method for fabricating molded resinous part with metal distributed in surface thereof A method for fabricating a molded resinous part with a metal distributed in a surface thereof comprising: kneading a low-melting metal and a resin having a curing temperature lower than a solidification point of the low-melting metal in a molten state; and injection... | 12/05/2006 |
| 7118700 | Method for inhibiting algae growth in water tanks and apparatus therefor A method of inhibiting the growth of algae and like organisms in plastic water tanks exposed to sunlight comprises providing an outer tank surface operative to reflect off a substantial portion of sunlight that hits the tank off the outer tank surface; and providing... | 10/10/2006 |
| 7112054 | Consolidation joining of thermoplastic laminate ducts There is provided an apparatus and method for consolidation joining a thermoplastic preform to form a duct. The apparatus includes first and second longitudinally extending support structures. The first support structure at least partially defines a cavity for suppo... | 09/26/2006 |
| 7108821 | Method for making double-wall shells by centrifuging A method of fabricating a double-walled shell of fiber reinforced plastic material is by centrifuging. The outer wall of the shell is made by projecting glass fibers and resin in a liquid phase against an inside face of a cylindrical mold rotating about its horizont... | 09/19/2006 |
| 7097802 | Disposable LMA The disclosed method for fabricating low cost laryngeal mask devices includes providing a mold, the mold including interior walls that define a hollow interior volume. The interior volume includes a first portion and a second portion. A liquid plastic material is in... | 08/29/2006 |
| 7048886 | Methods and apparatus for molding plastic parts Molding techniques and apparatus wherein at least one adjustable edge component can be used to alter the dimensions of the mold cavity between molding operations. Also disclosed are techniques for incorporating reinforcing composite elements into molded plastic part... | 05/23/2006 |
| 7037455 | Insert molding method A method of insert molding a preformed item into a molded product, the molded product being formed by injecting a moldable material into a mold, is disclosed. The method includes adhering the preformed item to a surface of the mold with an adhesive, wherein the surf... | 05/02/2006 |
| 7011779 | Poly-steel double wall tank An improved double wall tank has two or more threaded fittings, with a steel outer tank and a thermoplastic inner tank. The inner tank is formed within the outer tank by rotational molding. The inner tank is bonded to the outer tank in an area of the fittings, but i... | 03/14/2006 |
| 6982057 | Multi-layer rotational plastic molding A multi-layer rotational-molded plastic article has an area, such as a sight line for viewing content levels, where an inside layer protrudes through the outside layer and may be bonded to it. A first flowable material such as plastic resin is introduced into a mold... | 01/03/2006 |
