Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7396223 | Forming jig and method for producing formed body using same A forming jig comprises a rectification plate having two or more material supply holes, a drawing die installed below the rectification plate to specify the external configuration of the formed body produced from a material, and a floating die in which two or more w... | 07/08/2008 |
| 7393195 | Hollow-fiber spinning nozzle A hollow fiber spinning nozzle in which supply bores and a nozzle structure connected to these and having a mass discharge opening and a needle with a coagulation agent bore are formed in a base body. At least two plate-shaped bodies structured by means of micro-str... | 07/01/2008 |
| 7384259 | Mechanism for adjusting a valve for regulating the flow of plastic to an extrusion die A manifold is connected between an extruder and the associated die assembly to supply plastic flow to the die. The output from the extruder is split into multiple passages in which each manifold passage supplies plastic flow to an extrusion passage within the die as... | 06/10/2008 |
| 7381042 | Nozzle head for an extruder A die head for an extruder including an outer shell, an inner cylindrical mandrel, an annular die gap at a discharge side of the die head, at least one intake opening for receiving a melted mass, at least one distribution element for distributing the melted mass to ... | 06/03/2008 |
| 7374412 | Extrusion head In an extrusion head and an extrusion method for the production of a tubular multilayer preform the extrusion head includes at least two feed paths for feeding plasticised plastic material from one or more extruders to an annular passage arrangement. The annular pas... | 05/20/2008 |
| 7338271 | Extrusion head having a rotating die A crosshead assembly for forming extruded shapes from molten polymer. The assembly includes body sections, a mandrel, a choke ring, and a tip holder for admitting, turning, and accelerating molten polymer toward a novel rotatable die sub-assembly. The die sub-assemb... | 03/04/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7320583 | Apparatus and method for producing colored extruded food products An apparatus and associated method for varying the color and/or flavor of an extruded food product during a single production run of a single extrusion device. The apparatus includes a multi-additive injection system, which is attached to a fluid supply line of an e... | 01/22/2008 |
| 7311505 | Apparatus for manufacturing rubber strip An apparatus for manufacturing a strip of rubber compounds comprises four extruders (2a, 2b, 2c, 2d) and a single extruder head (3). The extruder head (3) comprises an extruder die assembly (6 | 12/25/2007 |
| 7309223 | Extrusion head device An extrusion head device in which fixed and movable head parts as a plurality of separate parts can be easily combined using compact fastening means. Fastening cylinder rods provided for the fixed head part of the extrusion head device including the fixed and movabl... | 12/18/2007 |
| 7306449 | Food shaping device for forming three-layered foods A food shaping device for forming a three-layered food comprises: at least two first guide units and a food output unit. The food output device comprises a main tube; a middle tube; an inner tube; an inner circular path; an inner material guiding nozzle; and an oute... | 12/11/2007 |
| 7294304 | Die for forming honeycomb structure and method of manufacturing honeycomb structure There is disclosed a die for forming a honeycomb structure and a method of manufacturing the honeycomb structure by use of the die, in which variations of cell pitches are suppressed in a central portion and the vicinity of an outer periphery after drying and firing... | 11/13/2007 |
| 7291003 | Micromachined spinneret A micromachined spinneret is disclosed which has one or more orifices through which a fiber-forming material can be extruded to form a fiber. Each orifice is surrounded by a concentric annular orifice which allows the fiber to be temporarily or permanently coated wi... | 11/06/2007 |
| 7264457 | Flow distributor for die tooling of pipe mold equipment with remote extruder Equipment (1) used in the molding or plastic pipe includes die tooling (3) provided with a plastic flow distributor (25) at the upper end of the die tooling. The plastic flow distributor has adjustable flow to provide an even distribution of pla... | 09/04/2007 |
| 7261535 | Co-injection nozzle A nozzle for an injection molding machine is disclosed. The nozzle includes a nozzle body, an inner nozzle, and an outer nozzle. The nozzle defines two independent flow paths therethrough. The nozzle can simultaneously discharge two materials. A method of using the ... | 08/28/2007 |
| 7247012 | Rotatable head for forming spiral extrusions A polymer extrusion crosshead assembly for forming a spirally-striped extrusion. The assembly includes conventional components for admitting, turning, and accelerating primary molten polymer toward a novel rotating die sub-assembly. A body element includes an axial ... | 07/24/2007 |
| 7204062 | Straight face vinyl siding The present invention is a vinyl siding panel and a method of making the vinyl siding panel. The vinyl siding panel comprises a planar portion extending the longitudinal length of the vinyl siding panel. The planar portion comprises a first edge and a second edge. T... | 04/17/2007 |
| 7198400 | Static mixer and a method of manufacture thereof A static mixer comprising a mixer body with a first and a second array of intermeshed and interconnecting passageways formed therein that connect, and provide a convoluted flow path between, flow faces at ends of the mixer body. The first and second arrays of passag... | 04/03/2007 |
| 7198744 | Preparation of co-extruded multi-layered rubber composite and use as component of a tire This invention relates to the preparation of a multi-layered rubber composite, said composite and a tire having a component prepared thereby. The multi-layered rubber composite is composed of at least two individual rubber compositions configured as at least three p... | 04/03/2007 |
| 7195471 | Blowing head for extruding films, comprising clamping elements containing ducts for cooling air Tubular film die head for extruding single-layer or multi-layer film which has at least the following features: a substantially annular die gap, fastening elements which fix at least two components with respect to one another which together border areas bearing plas... | 03/27/2007 |
| 7172403 | Apparatus for preparing a gypsum wallboard core A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu... | 02/06/2007 |
| 7168932 | Apparatus for nonwoven fibrous web Disclosed is an apparatus for producing nonwoven fibrous webs. The apparatus comprises an extrusion die, first and second fluid supplies in cooperation with the die, first and second extrusion capillaries, first counterbores allowing fluid communication between firs... | 01/30/2007 |
| 7163388 | Method and apparatus for incorporating lumens into the wall of a tubular extrusion A polymer extrusion head for forming continuous shapes having one or more lumens therein. The head includes an extrusion mandrel and die. At least one lumen pipe is disposed radially through a port in the die to intersect the polymer flow in the annular region betwe... | 01/16/2007 |
| 7156635 | Multi-layer food product system and process A system produces a multi-layer product by forming as many different ingredients as is required for the final product in steps that can be separate from each other and then combining these ingredients in an extrusion die that is formed to flow the separate ingredien... | 01/02/2007 |
| 7150616 | Die for producing meltblown multicomponent fibers and meltblown nonwoven fabrics A die tip adapted for extruding a plurality of meltblown multicomponent filaments that includes at least two series of conduits that extend and converge in to the interior of the die tip to convey a multicomponent thermoplastic structure in to the interior of the di... | 12/19/2006 |
| 7150848 | Method and apparatus for regular division of molten extrusion flow A blown film die divides a flow of material into two flows with higher and lower flow portions and recombines the flow by combining higher flow portions with lower flow portions. The flow can be divided in circumferential channels between an annular feed ring and an... | 12/19/2006 |
| 7147449 | Device for the production of an extruded profile A food product comprising a sugar wafer preferably cone-shaped having a filling of a substantially water-free fat-based confectionery material and a process for preparing it which comprises filling the sugar wafer with the substantially water-free fat-based confecti... | 12/12/2006 |
| 7112050 | Extrusion die for making a double-skin honeycomb substrate A honeycomb substrate includes an inner body having an inner skin and an array of inner webs defining an array of inner cells within the inner skin. The honeycomb substrate further includes an outer body having an outer skin formed concentric with the inner skin and... | 09/26/2006 |
| 7097441 | Annular co-extrusion die An annular co-extrusion die for extruding multi-layer tubular plastic film has inner die members stacked one upon another and having radially outwardly extending surfaces forming radially outwardly extending helical passages between respective pairs of inner die mem... | 08/29/2006 |
| 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 section made in the extrusion head. The stream of molten plastic conta... | 03/07/2006 |
| 7001547 | Method and apparatus for joining sheet- or ribbon formed flows in a coextrusion process A method and apparatus are described for coextruding two materials A and B, in which B is extruded on A through a port (3), in which the separating wall between the flows of A and B is formed as a flap closure (4) adapted to act as a non-return valve f... | 02/21/2006 |
| 6994817 | Process and apparatus for the coextrusion of rubber mixtures The invention concerns a process and apparatus for the coextrusion of rubber mixtures, comprising a main extruder (1) with an extrusion head (10) having at least two flow channels (14, 15), each for a rubber mixture (A, B), the channels opening ... | 02/07/2006 |
| 6991450 | Open cavity extrusion dies Honeycomb structures are formed at reduced extrusion pressures and high extrusion rates via extrusion through open cavity honeycomb extrusion dies incorporating large, closely spaced feed channels delivering extrudable material to die honeycomb forming sections inco... | 01/31/2006 |
| 6951233 | Electrically conductive tire and apparatus and process for extruding elements which have been made conductive A tire having a tread composed of two non-conductive layers, each layer containing a circumferential insert of conductive mix, the inserts having a wider interface at the interface of the two layers. An apparatus for extruding a layer, provided with a conductive ins... | 10/04/2005 |
| 6932591 | Apparatus and method for co-extruding multi color plastics The present invention is the apparatus and method for producing a plastic sheet having a pattern produced in a layer therein. The plastic sheet is a single layer sheet or a multi-layer sheet. The pattern is produced by mixing two or more plastic extrudants together ... | 08/23/2005 |
| 6926858 | Method and apparatus for regular division of molten extrusion flow A blown film die divides a flow of material into two flows with higher and lower flow portions and recombines the flow by combining higher flow portions with lower flow portions. The flow can be divided in circumferential channels between an annular feed ring and an... | 08/09/2005 |
| 6905324 | Interface control A method and apparatus for the extrusion of multilayered composite products, is provided. The inventive apparatus includes a coextrusion structure and a partition member. In accordance with the inventive method, the relative orientation of a first shaped flow stream... | 06/14/2005 |
| 6902385 | Blown-film extrusion die A melt distribution block for feeding melt through an extrusion die to an extrusion passage. The melt distribution block has a generally annular body with inner, outer, front and rear faces. The front and rear faces include a series of flow divider channels therein ... | 06/07/2005 |
| 6875004 | Apparatus for extruding unvulcanized rubber A method and apparatus for extruding unvulcanized rubber in a tire production process, in which an unvulcanized rubber extruded member can be formed by extrusion. An extruded rubber member having a cross section in which a portion of a second unvulcanized rubber int... | 04/05/2005 |
| 6866495 | Apparatus for manufacturing tread bands for vehicle tires An apparatus for manufacturing tread bands for vehicle tires includes at least one primary extrusion head, a preforming device, at least one auxiliary extrusion head, an auxiliary feeding channel, and an extrusion die. The preforming device includes a primary prefor... | 03/15/2005 |
