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7604761 |
Process and plant for continuous manufacture of latex foam articles
Process for continuous manufacture of latex foam rest articles such as mattresses, cushions and the like comprising a part able to participate to the manufacture steps and to remain embedded in the...
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7588704 |
Online control of blowing agent content of polymer beads for making lost foam patterns
The invention involves the real-time, NIR-spectroscopic, closed-loop control of the blowing agent content of polymer beads used to make lost foam casting patterns.
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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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7556756 |
Production method of polyurethane foam molded article
The present invention provides a method for producing a polyurethane foam molded article from a polyisocyanate compound, a polyol mixture containing polyol, a catalyst and a crosslinking agent, and...
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7540985 |
Method of producing a polyurethane foam molded article
A method of producing a polyurethane molded article is provided, in which one molding machine which can provide distinctly polyisocyanate component(s) and two kinds of polyol components is used,...
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7531116 |
Process of producing foamed molding from expanded polypropylene resin beads
A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body....
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7511082 |
Polyurethane foam and method of manufacturing the same
The invention provides a polyurethane foam manufactured from a polyisocyanate and a polycarbonate polyol. Moreover, the invention provides a method of manufacturing the polyurethane foam...
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7459109 |
Method for manufacturing foam pads
A method for manufacturing foam pads includes a first step of preparing a proper amount of PVC power, DOP curing agent, light calcium carbonate, kaolin, foaming agent and pigment and pouring them...
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7452585 |
Monolithic structures, methods of manufacture and composite structures
An article of manufacture comprising a sag-resistant nucleus-forming monolithic composite capable of being located within a hollow interior portion of a structural material and being expanded...
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7445736 |
Embossed indicia on foam core imaging media
This invention provides method for placing indicia on a support for an imaging element comprising embossing indicia, such as a logo, on a roller; providing a support wherein said support comprises...
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7438840 |
Method for introducing an additive into a flowing medium stream
The method for introducing an additive into a flowing stream of media pulses discrete quantities of the additive into the stream at a pressure higher than the pressure of the stream and at set time...
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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 CO 2 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...
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7396497 |
Method of forming a polishing pad having reduced striations
The present invention provides a method of forming a chemical mechanical polishing pad, comprising providing a tank with polymeric materials and providing a storage hopper with microspheres having...
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7390445 |
Method of producing composite sheet having polyolefin foam layer
A method of producing a composite sheet having a foam layer of a first polyolefin-based resin and a surface layer of a second polyolefin-based resin provided on at least one side of the foam layer...
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7351363 |
Press for hard foam plates
A press for rigid foam sheets with continuous adjustment of the spacing between the two press plates ( 1,3 ), in particular for sandwich panels with an upper and lower outer layer and, located...
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7341683 |
Method of manufacturing foamed polyethylene films and related products
The present invention solves the problems left unaddressed by the prior known processes by providing a method to produce foamed-thermoplastic films of sufficient strength for use in consumer...
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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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7306754 |
Membrane and the use thereof
The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that...
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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...
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7303704 |
Method of manufacturing lightweight ceramics
The present invention discloses a method of manufacturing lightweight ceramics by mixing several raw materials such as a powdered glass material, a powdered alkali silicate, and a water-soluble...
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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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7285233 |
Method of manufacturing polishing pad
A method of manufacturing a polishing pad is described. A mold having a mold cavity therein is provided. At least a strip is buried in the mold. A polymer foam material is injected into the mold...
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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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7259189 |
Expanded polypropylene resin beads and process for the production thereof
A process for the production of expanded beads, including kneading a base resin containing a polypropylene resin and having a tensile modulus of at least 1,200 MPa together with a mixture of a...
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7235200 |
Foamed core process for large cross-sections of grab handles
A plastic product for particular use as grab handles, door closure handles, and other trim and component products. A foam core, either structural or non-structural, is over-molded with a hard or...
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7220374 |
Molded foam vehicle energy absorbing device and method of manufacture
A method for forming energy absorbing components for motor vehicles includes mixing a polymeric resin and blowing agent combination. The combination is heated to liquefy it. A mold for receiving...
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7195726 |
Internal mold release for low density reaction injection molded polyurethane foam
A method for preparing a molded polyurethane foam article using an internal mold release composition is provided. More specifically, a method using an IMR agent and an IMR-enhancer compound to...
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7192543 |
Method and mould for manufacturing a moulded article comprising at least an elastomeric polyurethane skin
For manufacturing a moulded article comprising at least an elastomeric polyurethane skin ( 9 ) and optionally a structural backing layer ( 10 ) and an intermediate foam layer ( 12 ) a mould is used...
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7182897 |
Method of storing material into which gas saturates
A method of storing a material into which a gas saturates, before the material is foamed in a metal mold. The material into which a gas saturates is stored at a predetermined ambient pressure and...
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7182896 |
Composite foamed polypropylene resin molding and method of producing same
A composite foamed polypropylene resin molding including a plurality of sections which are fuse-bonded to each other, at least two of which differ from each other in color, apparent density,...
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7179410 |
Foam plastics manufacturing method and machine
Production of foamed materials in a horizontal machine, and said machine itself, reactants being fed to a conveyor at one end of the machine and foam produced being removed at the other end,...
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7169339 |
Method for producing polymethacrylimide foams
The invention relates to an improved method for producing foamed material, especially poly(meth)acrylimide foams, which are foamed from polymer plates produced according to the casting method. 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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7138078 |
Process for producing foarmed articles and the foamed article
It is an object of the present invention to provide a method for manufacturing a high-quality foam that can be produced stably on an industrial scale and that affords excellent thermal insulation...
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7132070 |
Method of manufacturing polishing pad
A method of manufacturing a polishing pad is described. A mold having a mold cavity therein is provided. At least a strip is buried in the mold. A polymer foam material is injected into the mold...
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7129279 |
Lightweight tire support and composition and method for making a tire support
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer...
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7101501 |
Single-layer polishing pad and method producing the same
A foamed plastic is cut to form a single-layer polishing pad having a desired rigidity and compressibility. A polishing surface of the polishing pad has a higher density than a mounting surface of...
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7101163 |
Process and apparatus for the continuous production of slabstock foam
Slabstock foam free of cavities can be produced without any restriction, i.e. also from rapidly reacting chemical systems, by introducing the liquid reaction mixture from underneath, in front of,...
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7097805 |
Method for manufacturing slippery-proof foam materials having protruded threads
The present invention discloses a method for manufacturing slippery-proof foam materials having protruded threads, which comprises the steps of foaming Thermoplastic Elastomer (TPE) or EVA pellets...
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7087200 |
Controlled local/global and micro/macro-porous 3D plastic, polymer and ceramic/cement composite scaffold fabrication and applications thereof
An indirect solid free form scaffold manufacturing technique is provided. More particularly, the present invention provides a set of molds, casting methods, mold removals, and surface modification...
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7083751 |
Method for forming solidified granular materials
A method for forming a solidified granular material ( 15 ), in which granules ( 16, 17 ) are charged into a tubular frame member ( 11 ) and then heated together with the frame member, to solidify...
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7077986 |
Method for formation of polymer
Objects of the present invention are to provide a method for molding polymers to be able to mold products each of which has an outer shape transferred accurately from the shape of the inside of a...
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7071241 |
Process for producing porous object
The present invention provides a process for producing porous structure having similar properties to that of the porous structure produced with conventional urethane resin solution in organic...
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7070720 |
Die-expanded molding apparatus and method for synthetic resin, and die-expanded molded foam obtained thereby
A die-expanded molding apparatus comprising starting material bead supply for supplying beads on a current of air from a tank through a packer into a cavity formed by a core and cavity molds; a...
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7056459 |
Ethylene vinyl acetate based film for crosslinked blown eva foam, shoe components using the same, and method for manufacturing thereof
A method for manufacturing shoe components using EVA copolymer of film shape having a thickness of 0.01 to 2 mm, preferably 0.1 to 1.0 mm and a surface roughness variations which cannot be easily...
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7052634 |
Method for making a foam sheet having ventilation holes
A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as...
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7052633 |
Method for manufacturing a transparent acrylic container having colored bubbles
A method for manufacturing a transparent acrylic container having colored bubbles includes the following steps: (A) preforming a plurality of colored beads, (B) forming a container made of...
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