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Match Document Document Title
7377763 Extrusion apparatus for producing a cable  
An extrusion method and apparatus ( 11 ) for producing a cable ( 1, 101 ) including at least one core ( 7 ) comprising at least one transmissive element ( 2, 40 ), and at least one pair of coating...
7326040 Process and plant for continuous manufacture of a foam layer  
Plant for manufacturing latex foam layer of unlimited length and having lower and upper recesses. A plurality of laying planes provided with lower protuberances proceeds between an injection...
7318713 Polymer processing systems including screws  
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...
7316559 Continuous forming apparatus for three-dimensional foam products  
A continuous forming apparatus for molding foam material into foam products that includes a first endless belt and a second endless belt that cooperates with the first endless belt to mold the foam...
7293982 Device for producing physically expanded structural foams during an injection molding process involving the use of dynamic mixing elements  
Foamed molded articles can be produced during an injection molding process, among other things, by utilizing physical blowing agents. Existing technologies differ to the greatest possible extent in...
7293594 Process for the production of sandwich elements from reactive plastics material  
The invention relates to a process for the production of sandwich elements (so-called panels), in which the rising reactive mixture is guided, when it rises, through guide elements arranged between...
7281917 Extrusion/reaction injection molding system  
A method of manufacturing an extruded part having an exterior shell and a core foam material. The method includes extruding the exterior shell from an extrusion die, and reaction injection molding...
7278842 Apparatus for the production of polyurethane sandwich elements  
The present invention relates to a process for the continuous production of polyurethane sandwich elements comprising an upper outer layer and a lower outer layer and a layer of cellular...
7267534 Methods for manufacturing foam material including systems with pressure restriction element  
The invention provides systems, methods, and articles useful in the production of foams, and, in particular microcellular foams. The systems include a restriction element that reduces the backflow...
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...
7186102 Apparatus and method for low-density cellular wood plastic composites  
A low-pressure CO 2 tank or an air compressor with a refrigerated air dryer is attached either at or after the vent zone of a standard twin-screw extruder. During or after extrusion, the gas is...
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,...
7150614 Horizontal vacuum chamber seal control device  
Disclosed is an apparatus and a corresponding method for producing a continuous foamed extrudate product in which the extrusion and initial expansion of the foamed extrudate is conducted within a...
7138077 Process and installation for the production of foam in a continuous slabstock foam process  
The invention relates to an installation and a process for the production of foam in a continuous block foam process in which the height of a foam-forming mixture along a conveyor is measured and a...
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,...
7097438 Foaming agent charging and mixing device  
A foaming agent charging and mixing device comprises at least one mixing device and one foaming agent metering device, wherein the foaming agent charging and mixing device may be arranged between...
7077636 Foam-in-place apparatus, and methods of use and manufacture  
A foam-in-place apparatus includes a foam containment unit, a foam precursor storage unit, and a foam precursor heating unit, in one embodiment. During operation, the foam precursor heating unit is...
7074027 Extrusion die and method for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core  
Extrusion dies for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core that provides homogenous melt flow to each axially displaced orifice by means of...
7037453 Laminate of metal powder and foaming agent between two metal layers  
The invention relates to a process for forming a laminate comprising a core of a compressed metal powder mixed with a foaming agent between two metal layers, comprising the successive steps of...
7008577 Extrusion head for expanded plastic tubes  
An extrusion head for the manufacture of tubes including at least one layer of expanded plastic by extruding a stream of molten plastic containing a blowing agent through an annular passage cross...
6955779 Method for the continuous production of expanded plastic material for forming panels and the like, and apparatus for carrying out the method  
A method for the continuous production of expanded plastic material for forming panels and the like, in which during the pouring step, at least one reaction component and a mixture of the remaining...
6935855 Apparatus for extrusion of water-containing products  
The inventions relates to an extrusion apparatus suited for water-containing products which heat-expand by internal boiling of water by pressure relief after passing through extrusion nozzles. The...
6929459 Method and apparatus for manufacturing polyurethane foam injected with strand mats  
A method and an apparatus for manufacturing a polyurethane foam injected with strand mats. After a polyurethane foam solution is sprayed on the strand mats, the strand mats are moved upward and...
6926507 Blowing agent delivery system  
The invention provides a blowing agent delivery system for introducing a blowing agent into a polymeric foam processing system. The delivery system is designed to discontinuously introduce blowing...
6809124 Method for the production block foam  
The invention relates to a method for the production of polyurethane block foam, wherein a polyurethane reactive mixture containing carbon dioxide is suddenly relieved from a pressure above the...
6808375 Expanded porous thermoplastic polymer membranes and device for the production thereof  
Open celled membranes from thermoplastic polymers are prepared from foamed polymer melts by extrusion through a die.
6793854 Method and apparatus for making plastic film, and plastic film  
A method and an apparatus for making a plastic film, and to a plastic film wherein the method includes extruding a film from plastic material by an extruder and orientating the film after...
6689325 Process and device for producing foam using carbon dioxide dissolved under pressure  
A process is described for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent by mixing at least one of the reactive components with carbon dioxide...
6676395 Equipment for extruding an expanded polymer sheet or plate  
Equipment for extruding an expanded polymer sheet or plate comprising an apparatus for the gravimetric loading ( 11 ) of a certain number of component polymers and/or mineral fillers, an extruding...
6616434 Blowing agent metering system  
The invention provides a blowing agent metering system and method for use in polymeric foam processing. The system may be used to control the rate of introduction of blowing agent into polymeric...
6616886 Method and apparatus for reducing the thickness of a skin formed on a slab of polyurethane foam  
Methods and apparatus for eliminating or reducing a surface skin when producing a flexible polyurethane foam slab are disclosed. The top surface of the chemically reactive polyurethane foaming...
6602064 Polymer processing system and apparatus  
The invention provides a counter-rotating extrusion system for processing foam material. The system is designed to introduce a physical blowing agent into the extruder, thoroughly disperse the...
6572800 Process and apparatus for producing foam  
CO 2 is used as the blowing agent, and a first and second control agents are injected into the melt, the first control agent being designed to dissolve and cool the melt and consisting of ethanol,...
6531077 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets  
In the extrusion of feed-stuff pellets and relevant consumer products, the extruded products are subject to expansion as a result of the boiling of their water content when the products, after...
6520759 Manufacturing device of foamed thermoplastic resin sheet  
A foamed thermoplastic resin sheet manufacturing device is provided with (i) an extruder for melting and kneading a thermoplastic resin and a foaming agent to form a melted/kneaded mixture and...
RE37932 Supermicrocellular foamed materials  
A supermicrocellular foamed material and a method for producing such material, the material to be foamed such as a polymerplastic material, having a supercritical fluid, such as carbon dioxide in...
6474966 Slot die for producing webs of a foamed plastic material  
A slot die for producing webs of a foamed plastics material, into which die plastics material which has been plasticized under elevated pressure in an extruder and charged with a blowing agent...
6435853 Apparatus for plasticizing material for molding thermoplastic resin foam  
A method of plasticizing a material for molding thermoplastic resin foam including the steps of: rotating a screw disposed in a screw cylinder such that rotation and axial movement are permitted to...
6428297 Apparatus for making a corrugation-free foam  
An apparatus for extruding a corrugation-free polystyrene foam with 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke...
6409948 Process and apparatus for the production of expanded polyester, in particular pet  
A process for the production of expanded polyester, in particular PET, is performed by extrusion of polyester starting material have an intrinsic vircosity of at least 0.8 dl/g and an added...
6326413 Process and apparatus for producing plastics and polymeric foam  
A process and apparatus for producing polyurethane foam, comprising bringing together under pressure one or more foam components and a gaseous CO 2 auxiliary blowing agent and discharging the...
6312244 Plant for manufacture of foam products  
A plant is provided for manufacture of latex foam products comprising recesses, such as mattresses, cushions and the like. The plant makes use of a plurality of carriers placed in a ring-like...
6273697 System for forming low-density polymer foam article  
A crystalline polymer resin, such as poly(ethylene terephthalate), is heated to melting. One or more blowing agents is selected wherein at least one of the blowing agents has a boiling point...
6251318 Process and apparatus for manufacturing biodegradable products  
A method for manufacturing biodegradable products with a blown foamy structure, wherein a mass comprising at least natural polymers such as starch is passed under pressure into or through a mould...
6241220 Apparatus and process for producing polymeric foam  
A process and apparatus for producing a polymeric foam, wherein foam components are brought together under pressure and are passed through a permeable discharge head where the pressure is reduced....
6206669 System for continuously manufacturing a composite preform  
A continuous composite structure manufacturing apparatus which comprises a conveyor or conveyors for conveying one or more fabric webs along a conveying path. Each of the webs is comprised of a...
6206558 Extrusion system  
An extrusion system is provided with a screen changer between in-line screw sections. An in-line seal diverts high pressure, high temperature foamable material toward the screen changer. The seal...
RE37115 Froth system for continuous manufacture of polyurethane foam slab-stocks  
A process and a system for the continuous manufacture of polymeric foams. Reactive chemical components and additives comprising a low boiling blowing agent are mixed under pressure; the mixture is...
6147133 Process and device for producing foam using carbon dioxide dissolved under pressure  
A process and a device are described for the continuous production of block foam by the foaming of a mixture which reacts to form polyurethane and which contains carbon dioxide dissolved under...
6113374 Foam extrusion apparatus  
An extrusion system utilizes single or tandem extruders and a mixer-cooler to extrude a foamable extrudate through a die in a sealable chamber. The foamable extrudate is shaped and calibrated...
Matches 1 - 50 out of 354 1 2 3 4 5 6 7 8 >