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8168098 |
Method of injection molding thermoplastic resin using supercritical fluid and injection molding apparatus
The present invention provides an injection molding method capable of impregnating a supercritical fluid stably and partially in molten resin in a plasticizing cylinder of an injection molding...
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8137600 |
Injection molding of polymeric material
Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in...
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8080194 |
Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets
Disclosed herein are methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls and sheets. In one embodiment, the present invention is directed to a method for...
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8063177 |
Pre-expanded polypropylene resin particle, and method for production thereof
A pre-expanded polypropylene resin particle can be produced in the following manner: a polypropylene resin particle produced by an under water cut method, water, a dispersing agent, and a foaming...
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8007710 |
Method and apparatus for manufacturing pneumatic tyres
A green tire disposed on a toroidal support is introduced into a vulcanisation mold. The mold is closed through axial approaching of a pair of sidewall plates acting against the sidewalls of the...
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7998313 |
Inflated fibers of regenerated cellulose formed from ionic liquid/cellulose dope and related products
Inflated fibers of regenerated cellulose and other regenerated structures are formed from ionic liquid/cellulose dope. Fibers so produced may be incorporated into absorbent sheet with other...
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7993554 |
Method for the manufacture of a molding composition
A method for the manufacture of a molding composition from a raw material melt which is charged with an additive includes the steps: charging a conveyor apparatus with a raw material which includes...
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7919026 |
Flying foam apparatus and method of making flying foam
The present invention is an apparatus for generating foam shapes that float in air having a container, a gas source, an aeration nozzle for aerating a gas from the gas source, an outlet, and a...
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7883649 |
Flying foam apparatus and method of making flying foam
The present invention is an apparatus for generating foam shapes that float in air having a container, a gas source, an aeration nozzle for aerating a gas from the gas source, an outlet, and a...
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7858002 |
Method for injection expansion molding of thermoplastic resin
An injection-foaming method for a thermoplastic resin comprising using an injection unit 30 provided with a hopper 35, a plasticizing cylinder 31 and a screw 32, and a mold 10 having a mold cavity...
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7833445 |
Process for producing foamed body of thermoplastic resin
The invention provides a foamed body of thermoplastic resin having a high expansion ratio, desired shape and cells of desired diameter, especially fine cells. The foamed body of thermoplastic resin...
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7789550 |
Method of combining materials
A method for combining materials (such as impregnating materials with functional materials) uses a combination of supercritical fluid technology and polymer melt processing technology. The...
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7767119 |
Gas injecting device of cylinder for injection molding machine, and method for controlling amount of gas injected into barrel of injection molding machine
A gas injecting device for an injection molding machine is equipped at one side of a cylinder of the injection molding machine, and includes a pin inserted into a gas injection hole of the gas...
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7763195 |
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...
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7740776 |
Method for foam injection molding of thermoplastic resin
A method for injection foaming molding of a thermoplastic resin includes the steps of (1) injecting the foaming-agent-containing plasticized resin from an injection apparatus 30 to fill a mold...
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7718102 |
Froth and method of producing froth
Foam for making pads and belts with controlled, reproducible microcellular structure and method of making such foam in a fast and efficient manner. Under constant pressure and temperature, a...
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7704436 |
Cosmetic applicator and its production method
A cosmetic applicator is made of a rubber latex foam which has been solidified by microwave irradiation. The foam satisfies (i) a bubble fineness corresponding to 9 bubbles/mm2 or more, (ii)...
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7655705 |
Open-cell foam composed of high-melting point plastics
The present invention relates to an open-cell foam, and to a process for producing this open-cell foam by melting a thermoplastic, or a mixture comprising a thermo-plastic, giving a melt, mixing...
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7645809 |
Process and apparatus for the optimized production of foam in a continuous block slabstock process
The invention relates to a plant and a process for the production of foam in a continuous slabstock process in which the actual foam height profile is detected transversely to the feed direction...
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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...
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7615170 |
Method of processing polymers using a single screw
Injection molding and blow molding systems that include screws having low L:D ratios are provided. The systems are capable of producing microcellular polymeric materials. In some cases, the systems...
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7585439 |
Manufacture of fully recyclable foamed polymer from recycled material
A solid state foaming process permits the use of up to 100% recycled pre- and post-consumer polymer for the manufacture of foamed polymer material and thermoformed foamed polymer articles. The...
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7455799 |
Method of producing polishing pad-use polyurethane foam and polyurethane foam
A production method comprising the step of charging prepolymer, a foaming agent and an active hydrogen-containing compound in specified amounts into a tank and foaming/mixing them for a specified...
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7435365 |
Method of fabricating hollow foamed-rubber member
A method of making a hollow foaming member is to utilize the foaming agents with various decomposition speeds or gas issued into the rubber sheet in the die while vulcanization and foaming. As a...
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7431872 |
Low-density cellular wood plastic composite and process for formation
A low-pressure CO2 tank or an air compressor with a refrigerated air dryer is attached to the vent zone of a standard twin-screw extruder. During extrusion, the gas is dissolved in the wood-plastic...
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7390444 |
Carbon dioxide sequestration in foamed controlled low strength materials
A process for sequestering carbon dioxide from the flue gas emitted from a combustion chamber is disclosed. In the process, a foam including a foaming agent and the flue gas is formed, and the foam...
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7364677 |
In-mold decorated articles and methods
The invention provides in-mold decorated articles and methods to form the articles. The in-mold decorated articles include a polymeric portion having a substrate material adhered to a surface of...
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7361294 |
Injection molding of polymeric material
Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in...
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7338980 |
Method and apparatus for mixing a high-viscosity material into a gas
A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder...
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7332114 |
Process for manufacturing sound absorbing cement tile
A continuous process for manufacturing a sound absorbing tile made from a slurry including, quick setting cement, water, fibers and foaming agent, the process including the steps of (i) mixing...
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7329374 |
Method for manufacturing resing films
A method for manufacturing resin films includes steps of mixing PU resin and hydroxyl compound to become a first-kind first-phase mixture, and of mixing a pigment with a foaming agent to become a...
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7300616 |
Method and apparatus for forming an article of manufacture and an article of manufacture made by a new and novel process
A method 10 to selectively produce an article of manufacture 20 having desirable properties and which may replace many “ceramic based” articles. Particularly, the article of manufacture 20 is mad...
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7300612 |
Hollow strandfoam and preparation thereof
Prepare a foam structure that includes hollow coalesced foam strands and, optionally, solid coalesced foam strands using an extrusion die block equipped with apertures that promote forming the...
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7294295 |
Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin
While steam is supplied to flow channels to heat inner cavity surfaces to a temperature equal to or higher than the heat distortion temperature of a molding resin, the resin mixed with a...
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7282554 |
Low molecular weight polyphenylene ether
A low molecular weight polyphenylene ether having a reduced viscosity of 0.04 to 0.18 dl/g as measured at 30° C. in a 0.5 g/dl chloroform solution, and a molecular weight distribution of 1.5 to ...
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7276191 |
Crosslinked foam which has inner-cavity structure, and process of forming thereof
A method and device for forming a cross-linked foam and a cross-linked foam are provided. The method includes the steps of preparing at least one foaming material for cross-linked foaming, the...
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7264757 |
Controllable microscopic bubble nucleation in fluid polymer material production method and its apparatus
A controllable microscopic bubble nucleation in fluid polymer material production method and apparatus utilizing a gas pipe disposed in the conveyance screw shaft of an injection or extraction...
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7244380 |
Process for producing polystyrene resin foam by extrusion
A process for an extruded resin foam, comprising extruding a foamable composition comprising a melted polystyrene resin and a physical blowing agent through a die to obtain a polystyrene resin foam...
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7229579 |
Method of manufacturing a sponge device
A method of making a sponge device is provided. This method includes introducing a curable liquid sponge forming material into a form, placing a handle into the material before it is fully cured,...
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7229578 |
Light weight plastic trim parts and methods of making same
The present invention relates to light weight molded plastic articles and methods of making same. More specifically, the present invention relates to a method of manufacturing a hollow-core,...
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7220373 |
Process for lightening plasterboards
Process for the manufacture of plasterboards exhibiting a core density of less than 0.77 comprising the stages of the formation of a foam from water and a surfactant composed of at least one alkyl...
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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...
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7205377 |
Method for the preparation of a poly(arylene ether), and related compositions
A method for preparing a poly(arylene ether) with a reduced level of powder fines is described. In one embodiment, the method comprises oxidatively coupling a monohydric phenol in the presence of a...
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7169338 |
Foam-molded article and manufacturing method thereof
Provided is a method for manufacturing a foam-molded article by molding between molds a parison with a foam layer formed by extruding an expandable molten resin composition, obtained by...
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7166248 |
Reduced VOC emission alkenyl aromatic polymer foams and processes
A method for producing an alkenyl aromatic polymer foam structure that comprises melting at least one alkenyl aromatic polymer resin. An effective amount of blowing agent mixture is dissolved in...
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7166247 |
Foamed mechanical planarization pads made with supercritical fluid
Foamed thermoplastic polymeric mechanical planarization polishing pads (“MP pads”) made with supercritical fluids are presented. A supercritical fluid foaming agent is dissolved in a the...
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7150615 |
Molding machine for injection foaming
A process for injection-foaming a thermoplastic resin by using an injection molding machine with a two-stage-compression screw, injecting a physical foaming agent into the cylinder of the machine...
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7144532 |
Blowing agent introduction systems and methods
The present invention provides blowing agent introduction systems and methods for introducing blowing agent into polymeric foam processing systems. The methods may involve introducing one or more...
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7138079 |
Methods for making foamed elastomer gels
Methods for making foamed elastomer gels are disclosed. Chemical foaming agents may be incorporated or gas may be injected into a molten gel and then using heating and cooling techniques and/or...
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7132023 |
Foaming method and device
The invention relates to a method and a device for foaming glue for the production of wood-based sheets. Gluing substance and gas are fed (1,2) into the foaming device through nozzles (3,4), which...
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