Matches 1 - 50 out of 258 1 2 3 4 5 6 >
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7614780 Method and apparatus with lobed nozzles, for mixing reactive chemical components  
A method and an apparatus for high-pressure mixing of reactive chemical components. The chemical components are fed into a mixing chamber, by respective injectors at least one of which comprises a...
7585103 Mixing head with creep barrier on the cleaning piston  
A mixing head includes a mixing device which is secured to a housing and has a mixing chamber for mixing at least two plastic components to form a material mixture. Received in a recess of the...
7553066 High-pressure mixing method and apparatus, with a self-lubricating and scraping device  
The high-pressure mixing apparatus, for reactive chemical components, comprises a device for self-lubricating and scraping the outlet duct of the chemical mixture, and flushing out the scraped...
7467890 Portable chemical transfer/neutralizing containment system  
A portable disinfectant transfer system for transferring a toxic and/or noxious fluid between a container and a reprocessor reservoir includes a container for containing the fluid, a pump having a...
7455446 Co-injection mixing method and apparatus  
A method and device ( 10 ) for mixing polyurethane-forming liquid chemical components for the production of polyurethane foams, in which positive use is made of the turbulency and swirling action...
7404916 Process for producing polyurethane moldings  
Cellular or compact polyurethane moldings are produced by conveying at least one isocyanate component and at least one polyol component by a metering machine in dispensing manner into a mixing...
7230037 Method for mixing a polyol component and an isocyanate component  
The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction...
7192989 Method and expansion device for preparing expanded thermoplastic microspheres  
The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating...
7093972 Tri-tilt mixing head  
A mixing head assembly comprising a housing having an input mix chamber passageway and a non-perpendicular output passageway. The assembly also includes a first input including a first nozzle for...
7074368 Batch-type polyester polymerization apparatus  
A batch-type polyester polymerization apparatus manufactured by assembling a conventional batch-type apparatus with a thin film tower. The batch-type polyester polymerization apparatus is...
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...
6726355 Self-cleaning mix head having a longitudinal mixer for a molding system  
A mix head assembly including a mix chamber having a mixer rotatably mounted therein. The mixer extends for a longitudinal length and defines a multiple of vanes which agitate the fluid material...
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...
6616321 Deflector mixing head for reaction molding machine  
A deflector-mixing head for a reaction molding machine, comprises a mixing chamber with a control piston for regulation of component inflow, an overflow chamber is arranged downstream from the...
6544481 Apparatus for the production of foamed material from a reaction mixture containing a dissolved foaming agent  
Reaction mixtures which form polyurethane foamed material, with production conditions which are varied during production, e.g. variation of the proportion of foaming agent, variation of the ratio...
6527431 Combined mixing and injecting device for a mold  
A combined mixing and injecting device includes a housing having a pressure chamber and containing two plungers with one being sleeved around the other. The plungers have top ends formed with...
6502978 Apparatus for the production of polyurethane material with a cleaning member having a filler feeding channel and an inclined front surface  
A process and an apparatus for the production of a polyurethane mixture is described. The apparatus comprises a high-pressure mixing device provided with a mixing chamber opening onto a side of a...
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...
6353053 Method and device for producing polyurethanes containing filling materials  
The present invention is directed to a process and corresponding device for incorporating expanded graphite in a gentle manner into a polyurethane reactive mixture and, on the other hand, processes...
6280692 Open-loop apparatus for producing a controlled blend of polyol and blowing agent for use in the manufacture of polyurethane foam  
A novel apparatus has been discovered which is of value in the production of polyurethane foam. This invention relates to a one-pass, on-demand apparatus for producing a controlled, homogeneous...
6277333 Process for reducing or avoiding foam production during chemical and physical materials conversion processes and a device for performing this process  
The production of foam which occurs in many chemical and physical materials conversion processes can be avoided by performing the materials conversion process in an ascending jet reactor, including...
6079867 Self-cleaning, mixing apparatus and method for the production of polyurethane formulations  
A high-pressure self-cleaning mixing apparatus adapted to mix at least first and second reactive polyurethane-forming components and feed the mixed components to a mold is disclosed. The apparatus...
6065862 High-pressure mixing head  
The present invention relates to a high-pressure mixing head for mixing at least two reactive plastic components, containing a mixing chamber, into which there lead two injection nozzles arranged...
6042649 Polyimide coating device having a polyimide supply status sensing device  
A polyimide coating device includes a bubble sensor for sensing the supply of a polyimide from a main polyimide storage tank. The coating device also includes an auxiliary storage tank filled with...
6033104 Device for removing plastics residues from mixer head outlet pipes  
A device for removing plastics residue from a cleaning piston having an end face and a mixer head outlet pipe of a counter-current injection mixer head, wherein the device comprises a stripping...
5992825 Portable expansion device  
An expansion device for doing work comprised of a housing including first and second selectively expandable sections defining an internal chamber which contains a chemical motor. Upon activation of...
5980836 Apparatus for preparing low-concentration polyaluminosilicate microgels  
An improved method and apparatus for preparing low-concentration polyaluminosilicate microgels from a water soluble silicate and a strong acid in which the silicate and acid are mixed at a rate to...
5948367 Device for conveying metered quantities of at least two free-flowing components of a reactive compound  
The device serves to meter at least two free-flowing components and to convey metered quantities of the components into a mixer in which a reactive compound is formed from the metered quantities....
5935277 Reforming reactor, particularly for the water vapor reforming of methanol  
In a reforming reactor suitable particularly for the water vapor reforming of methanol in mobile applications such as vehicles, a reaction space is filled with a catalyst pellet fill and has a...
5833930 Apparatus for foam manufacturing using carbon dioxide dissolved under pressure  
For the expansion of a liquid containing gas under pressure in dissolved form, it is proposed that the liquid be passed with expansion through an extended flow channel with a small cross-sectional...
5820829 Hand-operated polymerizer  
A hand-operated polymerizer for the polymerization of synthetic materials, such as dental plastics. The polymerizer has a housing in which a light source and a fan are disposed, and which includes...
5788932 Apparatus for preparing flowable reaction mixtures from at least two flowable reactants  
An apparatus for preparing flowable reaction mixtures from at least two flowable reactants in which the components are injected into a mixing chamber by means of injection nozzles, the force of the...
5785422 Piston arrangement for removing a reactive plastic mixture from a stabilizing chamber of a mixing device  
A device for mixing at least two chemically reactive plastic components, includes a cylindrical mixing chamber into which plastic components are injected, wherein a reversible piston is disposed...
5705129 NOx sensor  
An NOx sensor has the sensor element made of an oxide, the resistance of which is varied in response to an NOx component in a gas to be measured, and a measuring portion for measuring a resistance...
5643970 Method and apparatus for foam manufacture using carbon dioxide dissolved under pressure  
For the expansion of a liquid containing gas under pressure in dissolved form, it is proposed that the liquid be passed with expansion through an extended flow channel with a small cross-sectional...
5637277 Process and device for producing foam casings with CFC-free polyurethane foams  
A process and device for foaming casings, particularly refrigerator casings, with a blowing agent which can form an explosive mixture with atmospheric oxygen during evaporation which reduce the...
5615949 High pressure mixing system and process for producing foamed isocyanate-based polymers containing filler material  
A process and system for mixing at least two independent streams in a mixing device having independent inputs for each of the at least two independent streams, comprising structure and steps for:...
5591410 Process for the on-line grafting of carboxylic acid and carboxylic acid anhydrides containing an ethylenic unsaturation onto ethylene homopolymers or copolymers and installation for the implementation of this process  
(I) The (co)polymerisation of ethylene is carried out in at least one reaction zone (R) under high pressure, at 150°-320° C.; (II) the reaction product is routed into a zone (S), under an...
5587182 Apparatus for the production of endless polyurethane moldings  
The invention is directed to an apparatus for the production of polyurethane moldings endless in one dimension using at least two alternately operated mixheads for the reactive polyurethane...
5565174 Apparatus for controlling removal of polymerization reaction effluent  
In withdrawing a reaction slurry from a polymerization reactor wherein solid particles in the slurry must be maintained in solution to prevent solidification, a redundant effluent line is provided...
5562883 Solvent flush reaction injection molding mixhead  
A solvent flush reaction injection molding mixhead has a mixing chamber with a solvent inlet port in one end and a chemical outlet port in an opposite end. A pair of hydraulically operated chemical...
5540497 Apparatus for the injection molding of non precatalyzed polymerizable resins at high-pressure and flow  
An apparatus for injection molding of non-precatalyzed resins. Catalyst and resin flows are injected into a mixing chamber through a pair of catalyst injection nozzles and a pair of resin injection...
5523063 Apparatus for the turbulent mixing of gases  
The present invention discloses an apparatus and method for the turbulent mixing of gases. The invention has particular application when it is desired to produce a gas mixture including a very...
5521224 Method and apparatus for controlling the number of cells in polyurethane foam  
The invention relates to a method and an apparatus for producing polyurethane foam with a controlled number of cells, in which a gas is dispersed in one of the components, i.e. the polyol or the...
5476638 Process and device for the production of plastics from at least two free-flowing reactants  
The maintenance of the exact metering ratio during the production of plastics, particularly foams, from free-flowing reactants loaded with pulverulent to fine-grained or fibrous additives can be...
5472990 Method and apparatus for nucleation of polyurethane foam which results in self-adhering microcellular foam  
An apparatus and method for producing foam polyurethane incorporates an apparatus for mixing a nucleating gas into the polyol (part B) fraction and finally dispersing the nucleating gas prior to...
5453250 Apparatus for the preparation of a flowable reaction mixture  
Leakage problems can be avoided in an apparatus for the preparation of a solid or cellular plastic-forming, flowable reaction mixture of at least two flowable reaction components and at least one...
5453249 Apparatus for producing a flowable reaction mixture from at least two flowable reaction components  
In the production of a flowable reaction mixture of at least two flowable, also not readily miscible, reaction components which react completely with each other to form solid substance or foam...
5451376 Process and apparatus for reprocessing polyurethane foam wastes, in particular flexible foam wastes, for recycling as additives in the production of polyurethane  
In a fine comminution apparatus arranged downstream of a coarse comminution apparatus, polyurethane foam wastes can be comminuted to the desired particle size for recycling as an additive in the...
5451104 Method and apparatus for producing foam  
A mixing chamber (3) and a gas inlet chamber (5) are concentrically arranged in a closed housing (1) and divided from one another by a tubular partition wall (7) provided with micropores. A flow of...
Matches 1 - 50 out of 258 1 2 3 4 5 6 >