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| Number | Title | Issue Date |
| 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 nozzle and a plug member for controlling the pressure drop; the nozzl... | 11/10/2009 |
| 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 housing is a cleaning device which has a cleaning piston for back-and-for... | 09/08/2009 |
| 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 residues. The self-lubricating and scraping device comprises a delivery c... | 06/30/2009 |
| 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 caused by the injection of pressurized jets of chemical component... | 11/25/2008 |
| 7314308 | Mixing bowl with attachment A food mixing attachment includes two mixing arms extending down from an engagement member that is configured for engaging a mixer. A respective flexible blade is on each arm and has a contour generally like that of a bowl. During the mixing process the blades scrap... | 01/01/2008 |
| 7240689 | Multiple component mixing head The invention relates to a mixing head and to a method of mixing at least one polyol component and at least one isocyanate component and where appropriate additives, to form a polyurethane reaction mixture. ... | 07/10/2007 |
| 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 injecting a first fluid into the input mix chamber passageway and a se... | 08/22/2006 |
| 7048431 | Plastic processing machine for producing fiber-containing thermoplastics A plastics processing machine for producing fiber-containing thermoplastics includes an extruder, and a scale assembly having a weighing plate for determining an amount of fiber to be supplied to the extruder. A fiber feeding device supplies fibers from a take-off u... | 05/23/2006 |
| 7021246 | Animal umbrella An animal umbrella is disclosed. The animal umbrella comprises a saddle, straps connected to the saddle for detachably attaching the saddle to the animal, a collapsible canopy, a shaft with first and second ends, connected at the first end to the canopy, and connect... | 04/04/2006 |
| 6923213 | Fluid processing device with annular flow paths The invention is directed to a high pressure fluid processing device for shearing particles in a fluid mixture. The fluid processing device makes use of annular flow paths. For example, a fluid mixture can be separated into two flow paths which are introduced to fir... | 08/02/2005 |
| 6649059 | Apparatus for treating fluids In a method and apparatus for treating fluids, a pump delivers a fluid flow from a fluid source to a manifold. The manifold divides the fluid flow into first and second fluid flows, which are delivered from the manifold to a housing. The housing includes ... | 11/18/2003 |
| 6619834 | Device for producing a mixture from chemically reactive plastic components and permeated with reinforcement fibers Integrated in the mixing head of a polyurethane apparatus for producing a mixture stream of chemically reactive plastic components, is a cutting arrangement by which natural fibers or fiber strands of soft-elastic and tough consistency can be drawn from a... | 09/16/2003 |
| 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 mixing chamber in a perpendicular position thereto and provide... | 09/09/2003 |
| 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 pistons which respectively extend into upper and lower chambers... | 03/04/2003 |
| 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 discharge duct. An elongated cleaning member is reciprocable ins... | 01/07/2003 |
| 6241378 | Dosing apparatus for detergent paste The invention relates to a dosing apparatus for pastelike substances and mixtures thereof with a solvent by means of an injector, comprising an integrated shutoff device. The apparatus contains a detection device which detects the amount of paste accordin... | 06/05/2001 |
| 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 includes at least a mixing chamber, first and second feed ... | 06/27/2000 |
| 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 opposite one another for the components, a proportioning pi... | 05/23/2000 |
| 6051630 | Process for preparing a dispersion of hard particles in solvent A process and a high pressure apparatus are disclosed which are useful in preparing magnetic dispersions and other dispersions of hard, non-compliant particulates. The apparatus can be monitored for clogs and wear and allows for relatively quick and inexp... | 04/18/2000 |
| 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 plunger having a stripping edge; a mortar for receiving the s... | 03/07/2000 |
| 5858416 | Process and device for manufacturing plastic parts with reinforcement fibers An apparatus for producing a fiber reinforced synthetic resin provides a fiber feed passage through an outer chamber to which the synthetic resin for feed. A feed passage for the fiber extends concentrically in this chamber and has a tubular formation of ... | 01/12/1999 |
| 5852076 | Process for preparing a dispersion of hard particles in solvent A process and a high pressure apparatus are disclosed which are useful in preparing magnetic dispersions and other dispersions of hard, non-compliant particulates. The apparatus can be monitored for clogs and wear and allows for relatively quick and inexp... | 12/22/1998 |
| 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 inside the mixing chamber, and a cylindrical stabilizing cha... | 07/28/1998 |
| 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: (i) feeding a first stream, provided as a free-flowing soli... | 04/01/1997 |
| 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 nozzles, each angled toward the ejectment end of the mixi... | 07/30/1996 |
| 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 material, a rapid abatement of the mixture flow is achieved wi... | 09/26/1995 |
| 5443797 | Process and apparatus for the production of a flowable reaction mixture from at least two flowable reactive components A process and apparatus are described for the production of a flowable reaction mixture from at least two flowable reactive components which may be difficult to mix, which components react with one another to form a solid or a foam material. The component... | 08/22/1995 |
| 5346673 | Device and process for the production of a reaction mixture from at least two flowable reaction components In the production of a reaction mixture which forms plastic material, in particular foamed plastic material, from at least two flowable reaction components, the inlet members or other switch-over members which must be switched over in a precise fashion, a... | 09/13/1994 |
| 5295508 | Mixing apparatus for processing liquid multi-component plastics, in particular polyurethane The mixing apparatus, which is constructed like a known mixing apparatus with return grooves (18, 19) in the control piston (2), has return grooves (18, 19) of a length which is equal to the distance between the inlet and return openings (4to 7) to be con... | 03/22/1994 |
| 5270013 | Reactive fluid mixing head An apparatus for mixing and dispensing two or more reactive liquids in a homogeneous stream. The device includes a mixing chamber with two or more inlets for introducing separate liquid components into the chamber, a recycle port associated with each inle... | 12/14/1993 |
| 5270014 | Apparatus for producing a foamed mass of a polyurea elastomer Through three separate passages opening in a common plane at right angles to one another into a mixing chamber, three components of a reactant polyurethane or polyurea elastomer composition to form in a mold cavity are introduced. One of the components is... | 12/14/1993 |
| 5261741 | Malfunction monitoring device and method for a multiple-port mixhead plunger Malfunctions of plunger (15) in the mixhead (10) of a system for mixing a plurality of fluids such as polyol and isocyanate for the manufacture of polyurethane foam, which plunger induces variations in fluid pressures as the mixhead operates, are monitore... | 11/16/1993 |
| 5211311 | Cartridge for a dispenser of reactive chemicals A cartridge for use in a mixing, dispensing and purging apparatus of mutually reactive chemicals. The cartridge comprises a mixing assembly and purging rod. The mixing assembly includes a core member that is preferably deformable with an axial bore formed... | 05/18/1993 |
| 5201580 | Impingement mixing device A mixing device exhibiting a mixing chamber, feed and recirculation lines for components and for the component mixture. A control piston reciprocates inside the mixing chamber between a recirculation position where the feed and recirculation lines are in ... | 04/13/1993 |
| 5186905 | Cartridge port design for dispensing foam precursors An improved chemical injection assembly is disclosed of the type in which a hollow cylindrical housing with an outer surface defines an outer diameter and an inner surface defines an inner diameter. The hollow portion or bore defined by the inner surface ... | 02/16/1993 |
| 5164162 | Mixing head with sleeved quieting chamber An L-shaped mixing head for reaction injection molding apparatus comprises a first chamber wherein a plurality of reactive molding components are impingement mixed under high pressure. A second chamber intersecting with the first chamber quiets the result... | 11/17/1992 |
| 5093084 | Apparatus for the continuous preparation of a liquid reaction mixture from two fluid reactants The present invention is directed to a process and apparatus for production liquid reaction mixtures. The invention includes a mix head with a mixing chamber which receives reactants through nozzle openings. The key feature resides in placing an impingeme... | 03/03/1992 |
| 5090814 | Dispenser for reactive chemicals A mixing, dispensing and purging apparatus for mutually reactive chemicals. The dispensing apparatus includes a cartridge comprising a mixing assembly and purging rod. The mixing assembly having a block of inexpensive monolithic design with an axial bore ... | 02/25/1992 |
| 5082633 | Mix head for mixing reactive chemicals A mixing head for high pressure mixing of reactive chemicals defines a mixing chamber for receiving and mixing oppositely directed impinging chemicals and having an outlet through which the chemicals are discharged after mixing. A separate tubular nozzle ... | 01/21/1992 |
| 5057548 | Impingement mixing apparatus An impingement mixing device is provided comprising a mixing chamber housing, a control piston axially displaceable within said mixing chamber housing between an extended position and a retracted position, a mixture chamber within the housing defined by a... | 10/15/1991 |
