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| Number | Title | Issue Date |
| 8121721 | Extrusion of articles An extrusion control system for use with one or more extruders has a data acquisition module in communication with one or more data acquisition nodes that are associated with an extrusion process. A control module is also in communication with one or more control no... | 02/21/2012 |
| 7869900 | Integrated cuber management system A method and system for monitoring and controlling the processing of thermoplastics. The system includes a graphical interface and a server attached to the equipment in the cubing process. The interface includes a depiction of the equipment in the cubing process. A ... | 01/11/2011 |
| 7738993 | Extrusion of articles An extrusion control system for use with one or more extruders has a data acquisition module in communication with one or more data acquisition nodes that are associated with an extrusion process. A control module is also in communication with one or more control no... | 06/15/2010 |
| 7236166 | High-resolution rapid manufacturing The present invention is a method for forming an object, the method comprising jetting a first material to form a plurality of layers that define a support structure increment, and extruding a second material to form a layer of the object. The layer of the object su... | 06/26/2007 |
| 7184587 | Three-dimensional shape creating program, three-dimensional shape creating method, three-dimensional shape creating apparatus, and computer readable recording medium recorded with three-dimensional shape creating program A three-dimensional shape creating program, a three-dimensional shape creating method, a three-dimensional shape creating apparatus and a computer readable recording medium recorded with the three-dimensional shape creating program, wherein one feature is made up of... | 02/27/2007 |
| 7117046 | Cascaded control of an average value of a process parameter to a desired value At least one of the multiple process parameters (MPPs) is a controllable process parameter (CTPP) and one is a targeted process parameter (TPP). The process also has a defined target limit (DTV) representing a first limit on an actual average value (AAV) of the TPP.... | 10/03/2006 |
| 7113835 | Control of rolling or moving average values of air pollution control emissions to a desired value A controller directs performance of a process having multiple process parameters (MPPs), including a controllable process parameter (CTPP), a targeted process parameter (TPP), a defined target value (DTV) representing a limit on an actual average value (AAV) of the ... | 09/26/2006 |
| 7079904 | Adaptive software management Adaptive control techniques, such as power management techniques for use in managing power consumption in an electronic device, employ optimization analysis to generate power consumption/quality of service performance plots. The optimization analysis can include exp... | 07/18/2006 |
| 7027957 | Current interrupter assembly A method for determining the influence of one of a plurality of cathodic protection circuits along a pipeline includes switching one of a plurality of cathodic protection circuits off, while the remainder of the plurality of cathodic protection circuits are left on,... | 04/11/2006 |
| 7013196 | Molding machine control system A control system for controlling the operation of a molding machine and its peripheral machines. This control system automatically transmits an advance notification of for example completion of production by the molding machine to an operator by electronic mail. The... | 03/14/2006 |
| 6922608 | Method and apparatus for lay flat control in an extruded film production line An apparatus for producing an extruded film tube and supplying said tube to a collapsing and roller assembly includes a die for extruding a molten material in the form of a tube which is in a molten state below a frost line and in a solid state above the frost line.... | 07/26/2005 |
| 6856855 | Method of manufacturing sheet, device and program for controlling sheet thickness, and sheet A method of controlling the thickness of sheets manufactured by the extrusion of a material from a die having a plurality of thickness adjusting means by repeating, at specified timings, the following steps of 1) measuring the distribution of thickness of the sheets... | 02/15/2005 |
| 6726352 | Processing method of a mixture for tire rubber compound A method for processing a rubber mixture or compound for tire manufacturing includes the steps of determining variation tolerances with respect to reference values for process parameters, detecting values of the process parameters, comparing detected values of the p... | 04/27/2004 |
| 6496751 | Machine management systems and monitoring methods A process management system for at least one of monitoring and controlling operation of a machine comprises at least one sensor assembly capable of being disposed on the machine for at least one of sensing, monitoring, and transmitting machine process var... | 12/17/2002 |
| 6246918 | System and method for generating die swell/draw down information for profile extrusion die design A system and a method for generating die swell/draw down information for a profile extrusion die design. A rheometer having a slit die and a puller mechanism coupled thereto provide the die swell/draw down information of a polymer resin material in two di... | 06/12/2001 |
| 6153131 | Method for designing an extrusion process and die A method for designing an extrusion process and extrusion die includes the steps of first determining the optimal extrusion process parameters and then designing an extrusion die based on those optimal parameters. The optimal extrusion process parameters ... | 11/28/2000 |
| 6067480 | Method and apparatus for in-situ formation of three-dimensional solid objects by extrusion of polymeric materials An apparatus for thermal extrusion of a polymeric material to manufacture prototype mechanical elements from said polymeric material, said apparatus used for deposition of a liquefied ribbon of said polymeric material in patterned layers which solidify to... | 05/23/2000 |
| 6004489 | Method for designing an extrusion process and die A method for designing an extrusion process and extrusion die includes the steps of first determining the optimal extrusion process parameters and then designing an extrusion die based on those optimal parameters. The optimal extrusion process parameters are d... | 12/21/1999 |
| 5943240 | Machine tool control system and method utilizing metal mold arrangement information A machine tool control system and method are provided that utilize metal mold arrangement information to improve machining efficiency and control. According to the disclosure, a machining schedule, a machining program and metal mold information (indicatin... | 08/24/1999 |
| 5891383 | Method and apparatus for cooling extruded film tubes The present invention is directed to a blown film extrusion apparatus in which film is extruded as a tube from an annular die and then pulled along a predetermined path. The improved blown film extrusion apparatus includes a system for gauging and control... | 04/06/1999 |
| 5870305 | Control method for die cast machine A control method for die cast machines, which performs multi-step injection speed control depending on a plunger position of an injection cylinder apparatus, the control method comprising the steps of; storing setting values of injection speeds of respect... | 02/09/1999 |
| 5764521 | Method and apparatus for solid prototyping An improved extrusion-based manufacturing system includes one or more extruders, with each extruder containing at least two stages of increasing pressurization. In a preferred embodiment, a first stage of pressurization is created by the motion of a solid... | 06/09/1998 |
| 5737230 | Apparatus and process for slab sampling of customized brick An apparatus and process for the production of brick slabs. Information regarding the desired color and texture of brick slab samples is used to enable rapid production and transmission of brick slab samples having the desired characteristics.... | 04/07/1998 |
| 5472651 | Optimizing pellet mill controller A controller for controlling a pellet mill, used to extrude milled ingredients through a die into more manageable and economical pellets, keys particular control parameters to a library of pellet types and then adjusts the control parameters to optimize t... | 12/05/1995 |
| 5444795 | Surface roughness characterization of extruded plastic products The surface roughness of an extruded polymeric material is determined by forming a digital image of the extruded surface of the polymeric material and then determining the fractal dimension of any surface distortions of the extruded surface from the digit... | 08/22/1995 |
| 5431867 | Start-up method for controlling outside diameter of insulated electric wires Methods of and apparatus for controlling a startup process of a wire insulating line until a desired outside diameter of an insulated wire is obtained. A startup control apparatus according to the invention comprises an extruder for supplying an insulatin... | 07/11/1995 |
| 5397514 | Process for producing flat and annular-cross-section extrudates and device for implementing the process In prior art processes of this kind the actual thickness of the extrudate is measured, compared with a reference thickness and the setting regions of an extrusion plant are controlled dependent upon the degree of difference. In order nevertheless to impro... | 03/14/1995 |
| 5352393 | Method of and apparatus for gaging and controlling circumference of extrusion-blown film In a blown film extrusion system in which film is extruded as a tube from an annular die and then pulled along a predetermined path, an apparatus is provided for gauging and controlling the circumference of the extruded film tube. At least one transducer,... | 10/04/1994 |
| 5345399 | System and method for monitoring and controlling the width of a product A system for monitoring and controlling the width of a product such as a sheet, film or tube includes, in the preferred embodiment, a line scan camera having a one-dimensional array of charge-coupled devices ("CCD's") for monitoring the width of the produ... | 09/06/1994 |
| 5229140 | Device for smoothing out the thickness of a sheet A device for smoothing out the thickness of a sheet of thermoplastic material which includes a sheet die and a heating device which is integrated with the upper die lip of the sheet die. The heating device includes a hollow box filled with a liquid and a ... | 07/20/1993 |
| 5198161 | Parison thickness control method A parison thickness control system includes an extruder die and a mandrel which are movable relative to each other to change wall thickness of a parison extruded between the extruder die and the mandrel during an extrusion or forming cycle of the parison.... | 03/30/1993 |
| 5191537 | System and method for controlling continuous mixer with melt pump An improved system and method for effectively controlling the operation of a continuous mixer/melter having an adjustable exit opening and connected to a melt pump is provided. The melt pump, which is preferably a gear pump, is operatively connected to an... | 03/02/1993 |
| 5191539 | Control apparatus for an injection molding machine A control apparatus for an injection molding machine has a unit for setting data corresponding to a molding operation of the injection molding machine and for controlling the molding operation of the machine based on a setting of a setting unit. The setti... | 03/02/1993 |
| 5179521 | System and method for controlling continuous mixer with melt pump An improved system and method for effectively controlling the operation of a continuous mixer/melter having an adjustable exit opening and connected to a melt pump is provided. The melt pump, which is preferably a gear pump, is operatively connected to an... | 01/12/1993 |
| 5128077 | Method for producing multicomponent extrusions having controlled component contributions A method of producing a multicomponent extrudate in which the operating line automatically and accurately extrudes the extrudate materials necessary to obtain the desired contribution of materials and specified dimensions of the multicomponent extrudate p... | 07/07/1992 |
| 5122315 | Method and appparatus for monitoring and controlling thermoplastic extruder output In a gear pump assisted thermoplastic extrusion system, the speed of operation of the gear pump is adjusted in relation to fluctuations in both the rate of product output from the system and the rate of material input to the system to precisely maintain a... | 06/16/1992 |
| 5106546 | Method of testing the operative condition of dies provided with cooling sections A method is described in which the operative condition of the cooling sections of a slot die for making flat films of thermoplastic material, or of an annular die of a blow molding extruder for making tubular films from synthetic thermoplastics, is tested... | 04/21/1992 |
| 5104593 | Method and apparatus for gauging and controlling circumference of extrusion-blown film In a blow film extrusion system in which film is extruded as a tube from an annular die and then pulled along a predetermined path, an apparatus is provided for gauging and controlling the circumference of the extruded film tube. At least one transducer, ... | 04/14/1992 |
| 5059265 | Method of controlling thickness of oriented resin film The thickness of a biaxially oriented resin film is controlled by reading the thickness distribution of the oriented resin film prior to rolling up thereof and separating the readings into modes by harmonic analysis (Fourier transformation) using a comput... | 10/22/1991 |
| 5056030 | Apparatus for carrying out decoupling control of a T-die In an apparatus for use in carrying out decoupling control of a T-die which has a pair of lip portions with a gap extended between the lip portions and with the lip portions divided into a plurality of zones individually driven by driving devices, respect... | 10/08/1991 |
