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| Number | Title | Issue Date |
| 8017060 | Process for the preparation of extruded delivery systems The invention describes a process for the preparation of a granular delivery system particularly useful for the controlled release of flavoring or perfuming ingredients. The process includes the steps of forming a concentrated, highly viscous emulsion of the active ... | 09/13/2011 |
| 7261545 | Powder preheating Powdered starting material utilized for molding (e.g., rotational molding, injection molding, blow molding), extrusion, and the like can be preheated to reduce the time required to complete the processing of the material. After being preheated to a temperature below... | 08/28/2007 |
| 7168935 | Solid freeform fabrication apparatus and methods An apparatus for formation of a three dimensional object comprising a sealed container; an electron beam subsystem capable of directing energy within said container; a positioning subsystem contained within said container; a wire feed subsystem contained within said... | 01/30/2007 |
| 7081217 | Method for making plastic materials using recyclable plastics A method of making plastic materials, such as plastic lumber, wherein recyclable plastics are sorted into at least two categories and the recyclable plastics in each category are then shredded and chipped, extruded, and mixed with selected colour concentrates to pro... | 07/25/2006 |
| 7060209 | Extrusion method and apparatus for producing a cable An extrusion method and apparatus for producing a cable including at least one core having at least one transmissive element and at least one pair of coating layers arranged at a radially outer position with respect to the core. At least one coating layer of polymer... | 06/13/2006 |
| 7053373 | Infrared spectrometer with automated tablet sampling An infrared spectrometer system with automated tablet sampling includes an infrared spectrometer providing a modulated output beam to a sample position, and reflected and transmitted light detectors. A tablet holding wheel is mounted to advance multiple tablets one ... | 05/30/2006 |
| 6264874 | Method of controlling the diameter of a clear extruded tube A method and apparatus for controlling the diameter of a clear extruded molten tube wherein the extruded tube contains a volume of a clear liquid and the level of the liquid is indicative of the tube diameter so the level rises as the tube diameter decrea... | 07/24/2001 |
| 5766538 | Method of quality control during production of concrete blocks In a method for quality control during production of concrete blocks by bringing a concrete mortar into an upwardly open hollow mold with a solid peripheral wall for forming at least one molded blank placed on a flat supporting surface, a thickness of a m... | 06/16/1998 |
| 5503780 | Multiaxis rotational molding method A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation includes the steps of rotating a multisection mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed over ... | 04/02/1996 |
| 5466404 | Controlled venting during molding of polyurethane foam A device for molding foam products comprising upper and lower portions cooperable to form a foam mold defining a mold cavity therein. The upper mold portion has at least one vent hole therein. A mechanism for providing the mold cavity with an expandable f... | 11/14/1995 |
| 5330595 | Process of making resin-impregnated material webs The invention is directed to an apparatus and process for the continuous fabrication of resin impregnated material webs in which low-solvent resin is extruded to form a film which is joined with the material web to form a layer formation, or the resin is ... | 07/19/1994 |
| 5139406 | Apparatus and system for inspecting wall thickness of synthetic resin containers This invention relates to an inspection system for a container made of synthetic resin, including a first container conveying station provided with a plurality of container holders arranged around the circumference of a rotary disc with predetermined spac... | 08/18/1992 |
| 5135689 | Method of measuring thickness of extruded films For measuring thickness of films of synthetic thermoplastic which have been solidified but not yet fully cooled after extrusion, a capacitive measuring head is moved into contact with the film and during a measuring cycle is moved over the surface of the ... | 08/04/1992 |
| 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 |
| 5116211 | Apparatus for controlling thickness of film formed by melt extrusion An apparatus for controlling the thickness of a film molded by a melt extruding method provided with a plurality of cooling means for cooling the vicinity of a die lip close to a plurality of heating means and with many grooved holes in which the heating ... | 05/26/1992 |
| 5102588 | Method of controlling the position of an extruded preform in a blow mold A method of making tubular bodies from thermoplastic material by extruding a parison through an extruder head die slit which is then expanded in a blow mold. The position of the parison and particularly a thickened portion thereof is regulated and/or cont... | 04/07/1992 |
| 5094786 | Method and apparatus for determination of ingredients of tablets A tablet determining method and an apparatus therefor capable of accurately determining ingredients of a multi-layer tablet without breaking the tablet. A multi-layer tablet is lighted from light sources, an area of the side surface of the tablet on which... | 03/10/1992 |
| 5032329 | Method of making a fleece from spun filaments An apparatus for making a fleece comprises a horizontally elongated upright passage, flaps defining a stretching gap between the walls, and respective lower flaps have upper edges pivotal by actuators on the walls. A foraminous conveyor belt extends horiz... | 07/16/1991 |
| 4755127 | Apparatus for regulating the operation of a plant for the making of extruded products The apparatus has a measuring head (34) for contact-free optical monitoring of a swelling (A) of material immediately behind the extruder nozzle (22) or a pileup (32) of material ahead of the calibrating tool (26) of the plant. The measuring head (34) has... | 07/05/1988 |
| 4744930 | Extrusion control An extrusion process is controlled by feeding the material to be extruded from a supply station (5) to an extruder (1) and repeatedly weighing the supply station to calculate the throughput of the extruder. The initial line speed necessary to produce a pr... | 05/17/1988 |
| 4719071 | Method for monitoring the production of elongate profiles A method particularly suitable of monitoring the production of elongate profiles which are formed from one or more mixtures of rubber or thermoplastic material in an extrusion head which is fed by one or more extrusion devices is disclosed as in an appara... | 01/12/1988 |
| 4708619 | Apparatus for spinning monofilaments Apparatus for spinning monofilaments made of thermoplastic synthetic resin, with a spinning head for monofilaments, at least one spinning panel with a plurality of nozzle orifices, one or more spinning pumps with a motor equipped with a regulator for cont... | 11/24/1987 |
| 4684488 | Method and apparatus for controlled supply of color concentrates into an extruder to obtain a plastic product of desired coloration A method and apparatus for regulating the drive of dosaging devices for the controlled feeding of plastic particles, color concentrates and additives into a supply hopper of a screw extruder for producing a mixed plastic product of determined coloration, ... | 08/04/1987 |
| 4676936 | Controlled coextrusion of barrier sheet The thickness of the barrier layer in coextruded multilayer, thermoformable resinous sheet material is controlled by transverse color monitoring during coextrusion of the sheet.... | 06/30/1987 |
| 4514812 | Method and apparatus for controlling the thickness of a lamina of a coextruded laminate A method and apparatus for controlling the average thickness (T1) of a film lamina of thermoplastic, dielectric material having a known density (D1) and coextruded at a variable extrusion rate with a foam lamina of similar thermoplas... | 04/30/1985 |
| 4487730 | Process for draping layers of composite materials A process and apparatus for stacking layers of composite material on moulding equipment comprises a transfer band on which each of two opposed working sections has a surface suction device to hold on it a layer that has been placed in a precise position i... | 12/11/1984 |
| 4338071 | Apparatus for the manufacture of hollow bodies from a thermoplastic by the blow-moulding process Blow-moulding apparatus for the manufacture of hollow bodies from a thermoplastic in which a screw extruder extrudes the thermoplastic into an accumulating chamber, and a piston forces the thermoplastic through a gap-like outlet orifice of the accumulator... | 07/06/1982 |
| 4332538 | Dough divider Dough which is to be formed into small volumes for later baking into bread, etc. is moved from a mass of dough in the lower portion of a hopper by a pair of helical screws, through a conduit, first to a metering means and then through a dispensing nozzle.... | 06/01/1982 |
| 4244897 | Method and apparatus to control the density of products produced from an extrusion process Density of products produced from a foam extrusion process is controlled by measuring the thickness and the basis weight. The density is calculated and is compared to a target, or desired value, to produce an error signal. The error signal is used to cont... | 01/13/1981 |
| 4201741 | Blown film process In a blown film process for manufacturing plastic film bags, the shape of the film bag being formed is dynamically controlled by sensors provided at specific locations. At these locations, any deviation of the bag shape from the ideal shape will result in... | 05/06/1980 |
| 4177097 | Method and apparatus for controlling the filling of a cable The invention relates to the monitoring of the filling effectiveness during the filling operation of a waterproof or filled telecommunications cable on a manufacturing line, and includes measuring the capacitance change per unit length of an outer pair of... | 12/04/1979 |
| 4154563 | Apparatus for making structural profiles The technique uses an extruder for delivering a supply of softened thermoplastic resin material containing a foaming or expanding agent, the resin material being under pressure and therefore unexpanded in the extruder, but being delivered into an unconfin... | 05/15/1979 |
| 4147746 | Generation of polyurethane foam An improvement in the generation of foam from a mixture of foam-forming material in a structure having a preferred configuration. Conveying means are used to convey the structure along a horizontal path. A plurality of foam gun heads are mounted in spaced... | 04/03/1979 |
| 4117398 | Method and apparatus for measuring the filling effectiveness of a cable during filling The invention relates to the monitoring of the filling effectiveness during the filling operation of a waterproof or filled telecommunications cable on a manufacturing line, and includes measuring the capacitance change per unit length of an outer pair of... | 09/26/1978 |
| 4088722 | Method for molding a block of polyurethane foam having a flat upper surface A method is provided to make substantially flat-topped blocks of plastics foam, e.g. polyurethane, by a batch process. The foam-forming reaction mixture is dispensed into a cavity defined by a support and shaping members for the sides of the block. As the... | 05/09/1978 |
| 4000231 | Method for compacting powders Method of using an opposed ram hydraulic press for compressing powder in a die to form a compact. The press including hydraulic and electrical control circuits for decompressing the compact progressively and smoothly to a relatively low punch hold down fo... | 12/28/1976 |
| 3989779 | Method of calibrating extruded filaments An extruder is operated continuously to produce a plastically deformable strand that is pulled through a calibrating die and a cooling by a withdrawal arrangement downstream of the die in the bath. A sensor detects the volume of the strand between the too... | 11/02/1976 |
| 3935053 | Process for preparing thermosetting laminates An improved method of laminating thermosetting laminates is provided which comprises heating a laminate assembly which comprises a thermosetting resin, measuring the electrical impedance of the thermosetting resin to ascertain its lowest point, and applyi... | 01/27/1976 |
